* bug#56359: seccomp test failures on RHEL 9.0
@ 2022-07-02 17:45 Glenn Morris
2022-07-15 14:12 ` Philipp Stephani
2022-10-06 16:56 ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors
0 siblings, 2 replies; 12+ messages in thread
From: Glenn Morris @ 2022-07-02 17:45 UTC (permalink / raw)
To: 56359; +Cc: p.stephani2
Package: emacs
Version: 28.1.90
Severity: minor
emacs-28 at e390396e684 on RHEL 9.0:
2 unexpected results:
FAILED emacs-tests/bwrap/allows-stdout
FAILED emacs-tests/seccomp/allows-stdout
From audit.log:
type=SECCOMP msg=audit(1656773029.676:55047): auid=1000 uid=1000 gid=1000
ses=320 subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
pid=2443726 comm="emacs" exe="/src/emacs" sig=31 arch=c000003e syscall=186
compat=0 ip=0x7f3c04d74dfd code=0x80000000AUID="gmorris" UID="gmorris"
GID="gmorris" ARCH=x86_64 SYSCALL=gettid
test/src/emacs-tests.log:
Running 7 tests (2022-07-02 10:39:57-0700, selector `(not (or (tag :unstable) (tag :nativecomp)))')
Test emacs-tests/bwrap/allows-stdout backtrace:
signal(ert-test-failed (((should (eql status 0)) :form (eql 159 0) :
ert-fail(((should (eql status 0)) :form (eql 159 0) :value nil))
(if (unwind-protect (setq value-166 (apply fn-164 args-165)) (setq f
(let (form-description-168) (if (unwind-protect (setq value-166 (app
(let ((value-166 'ert-form-evaluation-aborted-167)) (let (form-descr
(let* ((fn-164 #'eql) (args-165 (condition-case err (let ((signal-ho
(let ((ert--infos (cons (cons "Info: " (emacs-tests--seccomp-debug s
(let* ((command (concat (mapconcat #'shell-quote-argument (list (fil
(progn (let* ((command (concat (mapconcat #'shell-quote-argument (li
(unwind-protect (progn (let* ((command (concat (mapconcat #'shell-qu
(save-current-buffer (set-buffer temp-buffer) (unwind-protect (progn
(let ((temp-buffer (generate-new-buffer " *temp*" t))) (save-current
(let ((bash (executable-find "bash")) (bwrap (executable-find "bwrap
(let ((lexical-binding t)) (let ((bash (executable-find "bash")) (bw
(closure (t) nil (let ((lexical-binding t)) (let ((bash (executable-
ert--run-test-internal(#s(ert--test-execution-info :test #s(ert-test
ert-run-test(#s(ert-test :name emacs-tests/bwrap/allows-stdout :docu
ert-run-or-rerun-test(#s(ert--stats :selector ... :tests ... :test-m
ert-run-tests((not (or (tag :unstable) (tag :nativecomp))) #f(compil
ert-run-tests-batch((not (or (tag :unstable) (tag :nativecomp))))
ert-run-tests-batch-and-exit((not (or (tag :unstable) (tag :nativeco
eval((ert-run-tests-batch-and-exit '(not (or (tag :unstable) (tag :n
command-line-1(("-L" ":." "-l" "ert" "-l" "src/emacs-tests.el" "--ev
command-line()
normal-top-level()
Test emacs-tests/bwrap/allows-stdout condition:
Info: Process output:
Potentially relevant Seccomp audit events:
Error opening config file (Permission denied)
NOTE - using built-in logs: /var/log/audit/audit.log
Error opening /var/log/audit/audit.log (Permission denied)
Potentially useful coredump information:
Hint: You are currently not seeing messages from other users and the system.
Users in groups 'adm', 'systemd-journal', 'wheel' can see all messages.
Pass -q to turn off this notice.
PID: 2491169 (emacs)
UID: 1000 (gmorris)
GID: 1000 (gmorris)
Signal: 31 (SYS)
Timestamp: Sat 2022-07-02 10:39:57 PDT (287ms ago)
Command Line: src/emacs --quick --batch $'--eval=(message "Hi")'
Executable: src/emacs
Control Group: /user.slice/user-1000.slice/session-329.scope
Unit: session-329.scope
Slice: user-1000.slice
Session: 329
Owner UID: 1000 (gmorris)
Boot ID: xxx
Machine ID: xxx
Hostname: xxx
Storage: /var/lib/systemd/coredump/core.emacs.1000.2df2456209984f74a8449c5af10bbcc3.2491169.1656783597000000.zst (present)
Disk Size: 4.0M
Message: Process 2491169 (emacs) of user 1000 dumped core.
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Stack trace of thread 2491169:
#0 0x00007fa2fb4e7dfd syscall (libc.so.6 + 0x43dfd)
#1 0x00007fa2fc0c436e sysprof_collector_get (libglib-2.0.so.0 + 0xaa36e)
#2 0x00007fa2fc0c4bfd sysprof_collector_mark_vprintf (libglib-2.0.so.0 + 0xaabfd)
#3 0x00007fa2fc0c1500 g_trace_mark.constprop.0 (libglib-2.0.so.0 + 0xa7500)
#4 0x00007fa2fc09bfa4 g_thread_new_internal (libglib-2.0.so.0 + 0x81fa4)
#5 0x00007fa2fc09c254 g_thread_new (libglib-2.0.so.0 + 0x82254)
#6 0x00007fa2fc06f917 g_get_worker_context (libglib-2.0.so.0 + 0x55917)
#7 0x00007fa2fc06f9ac g_child_watch_source_new (libglib-2.0.so.0 + 0x559ac)
#8 0x0000000000686261 init_process_emacs (emacs + 0x286261)
#9 0x000000000056878c main (emacs + 0x16878c)
#10 0x00007fa2fb4e8e50 __libc_start_call_main (libc.so.6 + 0x44e50)
#11 0x00007fa2fb4e8efc __libc_start_main@@GLIBC_2.34 (libc.so.6 + 0x44efc)
#12 0x00000000004199e5 _start (emacs + 0x199e5)
ELF object binary architecture: AMD x86-64
(ert-test-failed
((should
(eql status 0))
:form
(eql 159 0)
:value nil))
FAILED 1/7 emacs-tests/bwrap/allows-stdout (0.234728 sec)
passed 2/7 emacs-tests/seccomp/absent-file (0.011437 sec)
Test emacs-tests/seccomp/allows-stdout backtrace:
signal(ert-test-failed (((should (eql status 0)) :form (eql "Bad sys
ert-fail(((should (eql status 0)) :form (eql "Bad system call" 0) :v
(if (unwind-protect (setq value-102 (apply fn-100 args-101)) (setq f
(let (form-description-104) (if (unwind-protect (setq value-102 (app
(let ((value-102 'ert-form-evaluation-aborted-103)) (let (form-descr
(let* ((fn-100 #'eql) (args-101 (condition-case err (let ((signal-ho
(let ((ert--infos (cons (cons "Info: " (emacs-tests--seccomp-debug s
(let ((start-time (current-time)) (status (call-process emacs nil t
(progn (let ((start-time (current-time)) (status (call-process emacs
(unwind-protect (progn (let ((start-time (current-time)) (status (ca
(save-current-buffer (set-buffer temp-buffer) (unwind-protect (progn
(let ((temp-buffer (generate-new-buffer " *temp*" t))) (save-current
(let ((emacs (expand-file-name invocation-name invocation-directory)
(let ((lexical-binding t)) (let* ((fn-80 #'string-match-p) (args-81
(closure (t) nil (let ((lexical-binding t)) (let* ((fn-80 #'string-m
ert--run-test-internal(#s(ert--test-execution-info :test #s(ert-test
ert-run-test(#s(ert-test :name emacs-tests/seccomp/allows-stdout :do
ert-run-or-rerun-test(#s(ert--stats :selector ... :tests ... :test-m
ert-run-tests((not (or (tag :unstable) (tag :nativecomp))) #f(compil
ert-run-tests-batch((not (or (tag :unstable) (tag :nativecomp))))
ert-run-tests-batch-and-exit((not (or (tag :unstable) (tag :nativeco
eval((ert-run-tests-batch-and-exit '(not (or (tag :unstable) (tag :n
command-line-1(("-L" ":." "-l" "ert" "-l" "src/emacs-tests.el" "--ev
command-line()
normal-top-level()
Test emacs-tests/seccomp/allows-stdout condition:
Info: Process output:
Potentially relevant Seccomp audit events:
Error opening config file (Permission denied)
NOTE - using built-in logs: /var/log/audit/audit.log
Error opening /var/log/audit/audit.log (Permission denied)
Potentially useful coredump information:
Hint: You are currently not seeing messages from other users and the system.
Users in groups 'adm', 'systemd-journal', 'wheel' can see all messages.
Pass -q to turn off this notice.
PID: 2491181 (emacs)
UID: 1000 (gmorris)
GID: 1000 (gmorris)
Signal: 31 (SYS)
Timestamp: Sat 2022-07-02 10:39:57 PDT (882ms ago)
Command Line: src/emacs --quick --batch --seccomp=lib-src/seccomp-filter.bpf $'--eval=(message "Hi")'
Executable: src/emacs
Control Group: /user.slice/user-1000.slice/session-329.scope
Unit: session-329.scope
Slice: user-1000.slice
Session: 329
Owner UID: 1000 (gmorris)
Boot ID: xxx
Machine ID: xxx
Hostname: xxx
Storage: /var/lib/systemd/coredump/core.emacs.1000.2df2456209984f74a8449c5af10bbcc3.2491181.1656783597000000.zst (present)
Disk Size: 4.0M
Message: Process 2491181 (emacs) of user 1000 dumped core.
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Module libc.so.6 with build-id 992b882da302f0c924a40d3125b5164aa02347ce
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Module libjansson.so.4 with build-id 3e5df495bbffe3eeac06c1c8f02e684acd825878
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Module libfreetype.so.6 with build-id d10b2b13cb38460f96c4fef9a0ee1889f45a7d86
Module libselinux.so.1 with build-id 717e2e8f4427520f02441c0b5a4bc1b861fb648d
Module libgconf-2.so.4 with build-id 702c89120d00f4c7491508d66bc46ec856ab3949
Module libtinfo.so.6 with build-id 78bf96fc6e39f99589acb797b2066abc962a2662
Module libgpm.so.2 with build-id ae6a113bf82c1b3e0c1d27e977590a19e982792d
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Module libXinerama.so.1 with build-id 0d12e95ae05fa7f388040742a36a31639cd44f95
Module libXrandr.so.2 with build-id dbac6ac3b299c5195ca18902bc3361c00e340b3a
Module libdbus-1.so.3 with build-id 705356e391bd831d9067687d0436c1c6904c6149
Module libacl.so.1 with build-id f6b78dd866dbad532dda15d7a1f752f62acaf92c
Module libcairo.so.2 with build-id 4feccb843aee923b3cbe9a7ed86fba68c5740f0f
Module libglib-2.0.so.0 with build-id bba9b87f86e5d2fd5c06ab74552f09876a75ecc3
Module libgobject-2.0.so.0 with build-id 385c4d487d0939de86e316114ea503e41e0e528d
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Module libgio-2.0.so.0 with build-id 884e459ede022d5bed173e82eebbc1e30d0496c0
Module libm.so.6 with build-id 06480257823b66b01706ba8224a9f24fc280a5e8
Module librsvg-2.so.2 with build-id 3ed67d7a2eaca05545e6c2e57649b7c44116e8f9
Module libasound.so.2 with build-id d353d160b999019eff238dc24b705865194c6b3f
Module libXrender.so.1 with build-id 8e7c0f4d95e4b65c7be4da42cf4ea4d170e8fa24
Module libxcb.so.1 with build-id 939092fb35541949d60cd73e5d7d943afb9548c2
Module libX11-xcb.so.1 with build-id 9db5e672cff44e417333f6f4c3304be335e1b2b6
Module libX11.so.6 with build-id 9613169aedfb98686eb7dd9114a4d961f5b2c1ca
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Module libICE.so.6 with build-id da7b04fa765ba354ad98c2f59d92aff737210dc5
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Module libXt.so.6 with build-id 86eae3c9a48e8a214caa2a2ab38b917d46d9823b
Module libXmu.so.6 with build-id e1ecf40edbaac4d482a28a86b7be7654093330b0
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Module libXpm.so.4 with build-id 12abc048dd1b3a07d985de672165851448603c80
Module libgif.so.7 with build-id 70bc91735704c1d0e15ef8563c5e3772a6502f94
Module libz.so.1 with build-id 6e327bb976d53cd6a5efe10a74ffa8a7aa051f98
Module libpng16.so.16 with build-id dcba4562fa9caf49ba355d2ccc9f06f7aaa60b8a
Module libjpeg.so.62 with build-id 9c341ea0f2be4009211f9d5df1f481e12e81ab9a
Module libtiff.so.5 with build-id 9bf8445584b606a444bdd481f1bf5cf4d2307164
Module emacs with build-id 3652fdfcc9aadb451b031c89fe025d13c11c43da
Stack trace of thread 2491181:
#0 0x00007ff001575dfd syscall (libc.so.6 + 0x43dfd)
#1 0x00007ff00215236e sysprof_collector_get (libglib-2.0.so.0 + 0xaa36e)
#2 0x00007ff002152bfd sysprof_collector_mark_vprintf (libglib-2.0.so.0 + 0xaabfd)
#3 0x00007ff00214f500 g_trace_mark.constprop.0 (libglib-2.0.so.0 + 0xa7500)
#4 0x00007ff002129fa4 g_thread_new_internal (libglib-2.0.so.0 + 0x81fa4)
#5 0x00007ff00212a254 g_thread_new (libglib-2.0.so.0 + 0x82254)
#6 0x00007ff0020fd917 g_get_worker_context (libglib-2.0.so.0 + 0x55917)
#7 0x00007ff0020fd9ac g_child_watch_source_new (libglib-2.0.so.0 + 0x559ac)
#8 0x0000000000686261 init_process_emacs (emacs + 0x286261)
#9 0x000000000056878c main (emacs + 0x16878c)
#10 0x00007ff001576e50 __libc_start_call_main (libc.so.6 + 0x44e50)
#11 0x00007ff001576efc __libc_start_main@@GLIBC_2.34 (libc.so.6 + 0x44efc)
#12 0x00000000004199e5 _start (emacs + 0x199e5)
ELF object binary architecture: AMD x86-64
(ert-test-failed
((should
(eql status 0))
:form
(eql "Bad system call" 0)
:value nil))
FAILED 3/7 emacs-tests/seccomp/allows-stdout (0.229277 sec)
passed 4/7 emacs-tests/seccomp/empty-file (0.012597 sec)
passed 5/7 emacs-tests/seccomp/file-too-large (0.093114 sec)
passed 6/7 emacs-tests/seccomp/forbids-subprocess (0.200229 sec)
passed 7/7 emacs-tests/seccomp/invalid-file-size (0.030348 sec)
Ran 7 tests, 5 results as expected, 2 unexpected (2022-07-02 10:39:58-0700, 1.496530 sec)
2 unexpected results:
FAILED emacs-tests/bwrap/allows-stdout
FAILED emacs-tests/seccomp/allows-stdout
^ permalink raw reply [flat|nested] 12+ messages in thread* bug#56359: seccomp test failures on RHEL 9.0 2022-07-02 17:45 bug#56359: seccomp test failures on RHEL 9.0 Glenn Morris @ 2022-07-15 14:12 ` Philipp Stephani 2022-07-15 23:35 ` Glenn Morris 2022-10-06 16:56 ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors 1 sibling, 1 reply; 12+ messages in thread From: Philipp Stephani @ 2022-07-15 14:12 UTC (permalink / raw) To: Glenn Morris; +Cc: 56359 [-- Attachment #1: Type: text/plain, Size: 705 bytes --] Am Sa., 2. Juli 2022 um 19:46 Uhr schrieb Glenn Morris <rgm@gnu.org>: > > Package: emacs > Version: 28.1.90 > Severity: minor > > emacs-28 at e390396e684 on RHEL 9.0: > > 2 unexpected results: > FAILED emacs-tests/bwrap/allows-stdout > FAILED emacs-tests/seccomp/allows-stdout > > From audit.log: > > type=SECCOMP msg=audit(1656773029.676:55047): auid=1000 uid=1000 gid=1000 > ses=320 subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 > pid=2443726 comm="emacs" exe="/src/emacs" sig=31 arch=c000003e syscall=186 > compat=0 ip=0x7f3c04d74dfd code=0x80000000AUID="gmorris" UID="gmorris" > GID="gmorris" ARCH=x86_64 SYSCALL=gettid Does the attached patch fix the issue? [-- Attachment #2: gettid.patch --] [-- Type: application/octet-stream, Size: 512 bytes --] diff --git a/lib-src/seccomp-filter.c b/lib-src/seccomp-filter.c index 9f0de7d64f..090d53d2db 100644 --- a/lib-src/seccomp-filter.c +++ b/lib-src/seccomp-filter.c @@ -223,6 +223,7 @@ main (int argc, char **argv) RULE (SCMP_ACT_ALLOW, SCMP_SYS (getuid)); RULE (SCMP_ACT_ALLOW, SCMP_SYS (geteuid)); RULE (SCMP_ACT_ALLOW, SCMP_SYS (getpid)); + RULE (SCMP_ACT_ALLOW, SCMP_SYS (gettid)); RULE (SCMP_ACT_ALLOW, SCMP_SYS (getpgrp)); /* Allow operations on open file descriptors. File descriptors are ^ permalink raw reply related [flat|nested] 12+ messages in thread
* bug#56359: seccomp test failures on RHEL 9.0 2022-07-15 14:12 ` Philipp Stephani @ 2022-07-15 23:35 ` Glenn Morris 2022-07-16 10:50 ` Philipp Stephani 0 siblings, 1 reply; 12+ messages in thread From: Glenn Morris @ 2022-07-15 23:35 UTC (permalink / raw) To: Philipp Stephani; +Cc: 56359 Philipp Stephani wrote: > Does the attached patch fix the issue? Not entirely. I have to also allow "clone3", then it passes. ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#56359: seccomp test failures on RHEL 9.0 2022-07-15 23:35 ` Glenn Morris @ 2022-07-16 10:50 ` Philipp Stephani 2022-08-20 12:37 ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors 0 siblings, 1 reply; 12+ messages in thread From: Philipp Stephani @ 2022-07-16 10:50 UTC (permalink / raw) To: Glenn Morris; +Cc: 56359 > Am 16.07.2022 um 01:35 schrieb Glenn Morris <rgm@gnu.org>: > > Philipp Stephani wrote: > >> Does the attached patch fix the issue? > > Not entirely. I have to also allow "clone3", then it passes. Hmm, I'm not sure we should allow clone3 unconditionally since it can do lots of things, and I'd expect that its capabilities will only grow over time. OTOH, BPF (or at least the libseccomp library) don't support pointer indirections which would be needed to inspect the structure fields. See https://lwn.net/Articles/822256/. Any opinions? ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#56359: seccomp test failures on RHEL 9.0 2022-07-16 10:50 ` Philipp Stephani @ 2022-08-20 12:37 ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors 2022-10-11 0:54 ` Lars Ingebrigtsen 0 siblings, 1 reply; 12+ messages in thread From: Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors @ 2022-08-20 12:37 UTC (permalink / raw) To: Philipp Stephani; +Cc: Glenn Morris, 56359 [-- Attachment #1: Type: text/plain, Size: 303 bytes --] Philipp Stephani [2022-07-16 12:50 +0200] wrote: >> Am 16.07.2022 um 01:35 schrieb Glenn Morris <rgm@gnu.org>: >> >> Philipp Stephani wrote: >> >>> Does the attached patch fix the issue? >> >> Not entirely. I have to also allow "clone3", then it passes. Just adding that I get the same on Debian: [-- Attachment #2: test-out.log --] [-- Type: text/plain, Size: 31319 bytes --] $ make test/emacs-tests make -C test emacs-tests make[1]: Entering directory '/home/blc/.local/src/emacs/test' make[2]: Entering directory '/home/blc/.local/src/emacs/test' GEN src/emacs-tests.log Running 7 tests (2022-08-20 13:47:47+0300, selector `(not (or (tag :unstable) (tag :nativecomp)))') Test emacs-tests/bwrap/allows-stdout backtrace: signal(ert-test-failed (((should (eql status 0)) :form (eql 159 0) : ert-fail(((should (eql status 0)) :form (eql 159 0) :value nil)) (if (unwind-protect (setq value-166 (apply fn-164 args-165)) (setq f (let (form-description-168) (if (unwind-protect (setq value-166 (app (let ((value-166 'ert-form-evaluation-aborted-167)) (let (form-descr (let* ((fn-164 #'eql) (args-165 (condition-case err (let ((signal-ho (let ((ert--infos (cons (cons "Info: " (emacs-tests--seccomp-debug s (let* ((command (concat (mapconcat #'shell-quote-argument (list (fil (progn (let* ((command (concat (mapconcat #'shell-quote-argument (li (unwind-protect (progn (let* ((command (concat (mapconcat #'shell-qu (save-current-buffer (set-buffer temp-buffer) (unwind-protect (progn (let ((temp-buffer (generate-new-buffer " *temp*" t))) (save-current (let ((bash (executable-find "bash")) (bwrap (executable-find "bwrap (closure (t) nil (let ((bash (executable-find "bash")) (bwrap (execu ert--run-test-internal(#s(ert--test-execution-info :test #s(ert-test ert-run-test(#s(ert-test :name emacs-tests/bwrap/allows-stdout :docu ert-run-or-rerun-test(#s(ert--stats :selector ... :tests ... :test-m ert-run-tests((not (or (tag :unstable) (tag :nativecomp))) #f(compil ert-run-tests-batch((not (or (tag :unstable) (tag :nativecomp)))) ert-run-tests-batch-and-exit((not (or (tag :unstable) (tag :nativeco eval((ert-run-tests-batch-and-exit '(not (or (tag :unstable) (tag :n command-line-1(("-L" ":." "-l" "ert" "-l" "src/emacs-tests.el" "--ev command-line() normal-top-level() Test emacs-tests/bwrap/allows-stdout condition: Info: Process output: Potentially relevant Seccomp audit events: ---- type=SECCOMP msg=audit(08/20/22 13:47:48.032:737) : auid=blc uid=root gid=root ses=4 subj==unconfined pid=45735 comm=emacs exe=/home/blc/.local/src/emacs/src/emacs sig=SIGSYS arch=x86_64 syscall=clone3 compat=0 ip=0x7f1a7810a779 code=kill Potentially useful coredump information: PID: 45735 (emacs) UID: 0 (root) GID: 0 (root) Signal: 31 (SYS) Timestamp: Sat 2022-08-20 13:47:48 EEST (496ms ago) Command Line: /home/blc/.local/src/emacs/src/emacs --quick --batch $'--eval=(message "Hi")' Executable: /home/blc/.local/src/emacs/src/emacs Control Group: /user.slice/user-1000.slice/user@1000.service/app.slice/app-org.gnome.Terminal.slice/vte-spawn-f315a4b7-eae9-425e-940f-6c05c5d86ded.scope Unit: user@1000.service User Unit: vte-spawn-f315a4b7-eae9-425e-940f-6c05c5d86ded.scope Slice: user-1000.slice Owner UID: 1000 (blc) Boot ID: 4d8867e0dc1e443589a72674d09ab454 Machine ID: 1eaf00d04e87431584dd7dfc9cf6503c Hostname: tia Storage: /var/lib/systemd/coredump/core.emacs.0.4d8867e0dc1e443589a72674d09ab454.45735.1660992468000000.zst (present) Disk Size: 4.3M Package: systemd/251.3-1 build-id: b2a6a65bc14c6d8bf2cda8b111ef76d28f5fc236 Message: Process 45735 (emacs) of user 0 dumped core. Module /home/blc/.local/src/emacs/src/emacs with build-id b2a6a65bc14c6d8bf2cda8b111ef76d28f5fc236 Metadata for module /home/blc/.local/src/emacs/src/emacs owned by FDO found: { "type" : "deb", "os" : "debian", "name" : "systemd", "architecture" : "amd64", "version" : "251.3-1", "debugInfoUrl" : "https://debuginfod.debian.net" } Module linux-vdso.so.1 with build-id c9e3a861ce407cfd2ce8f09d76cd130128ae1352 Module libgpg-error.so.0 with build-id 7fdce7d73bd3fde9dc772242e2a0d32fee06ffba Module libdatrie.so.1 with build-id bdb764243ae69f6faa37d6b969fbbe46cd5476f1 Module libbrotlicommon.so.1 with build-id 3c671f721b58fd96b70ba426a215b3c43847bbf5 Module libicudata.so.71 with build-id c2e714254cd127c573a0f401b369b36455875e5e Module libblkid.so.1 with build-id d3e947026c74ed40701063d17ae59a2f6e51abcb Module libfribidi.so.0 with build-id df6a1c7bc544c74c18a8635e3e65965a1fb529c3 Module libpangoft2-1.0.so.0 with build-id 5d1e6389f71ca2629a3347df42eace0bd905e2d7 Module libXdmcp.so.6 with build-id 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368d652b25bccafcf6ab3c9c6381d07fb8393803 Module libtiff.so.5 with build-id 14e6f44bec2833d451aec36cc714e1ecf3827c38 Stack trace of thread 45735: #0 0x00007f1a7810a779 __clone3 (libc.so.6 + 0x10a779) ELF object binary architecture: AMD x86-64 (ert-test-failed ((should (eql status 0)) :form (eql 159 0) :value nil)) FAILED 1/7 emacs-tests/bwrap/allows-stdout (0.512569 sec) at src/emacs-tests.el:175 passed 2/7 emacs-tests/seccomp/absent-file (0.020746 sec) Test emacs-tests/seccomp/allows-stdout backtrace: signal(ert-test-failed (((should (eql status 0)) :form (eql "Bad sys ert-fail(((should (eql status 0)) :form (eql "Bad system call" 0) :v (if (unwind-protect (setq value-102 (apply fn-100 args-101)) (setq f (let (form-description-104) (if (unwind-protect (setq value-102 (app (let ((value-102 'ert-form-evaluation-aborted-103)) (let (form-descr (let* ((fn-100 #'eql) (args-101 (condition-case err (let ((signal-ho (let ((ert--infos (cons (cons "Info: " (emacs-tests--seccomp-debug s (let ((start-time (current-time)) (status (call-process emacs nil t (progn (let ((start-time (current-time)) (status (call-process emacs (unwind-protect (progn (let ((start-time (current-time)) (status (ca (save-current-buffer (set-buffer temp-buffer) (unwind-protect (progn (let ((temp-buffer (generate-new-buffer " *temp*" t))) (save-current (let ((emacs (expand-file-name invocation-name invocation-directory) (closure (t) nil (let* ((fn-80 #'string-match-p) (args-81 (condition ert--run-test-internal(#s(ert--test-execution-info :test #s(ert-test ert-run-test(#s(ert-test :name emacs-tests/seccomp/allows-stdout :do ert-run-or-rerun-test(#s(ert--stats :selector ... :tests ... :test-m ert-run-tests((not (or (tag :unstable) (tag :nativecomp))) #f(compil ert-run-tests-batch((not (or (tag :unstable) (tag :nativecomp)))) ert-run-tests-batch-and-exit((not (or (tag :unstable) (tag :nativeco eval((ert-run-tests-batch-and-exit '(not (or (tag :unstable) (tag :n command-line-1(("-L" ":." "-l" "ert" "-l" "src/emacs-tests.el" "--ev command-line() normal-top-level() Test emacs-tests/seccomp/allows-stdout condition: Info: Process output: Potentially relevant Seccomp audit events: ---- type=SECCOMP msg=audit(08/20/22 13:47:48.032:737) : auid=blc uid=root gid=root ses=4 subj==unconfined pid=45735 comm=emacs exe=/home/blc/.local/src/emacs/src/emacs sig=SIGSYS arch=x86_64 syscall=clone3 compat=0 ip=0x7f1a7810a779 code=kill ---- type=SECCOMP msg=audit(08/20/22 13:47:48.760:747) : auid=blc uid=root gid=root ses=4 subj==unconfined pid=45794 comm=emacs exe=/home/blc/.local/src/emacs/src/emacs sig=SIGSYS arch=x86_64 syscall=clone3 compat=0 ip=0x7fe35b30a779 code=kill Potentially useful coredump information: PID: 45794 (emacs) UID: 0 (root) GID: 0 (root) Signal: 31 (SYS) Timestamp: Sat 2022-08-20 13:47:48 EEST (1s ago) Command Line: /home/blc/.local/src/emacs/src/emacs --quick --batch --seccomp=/home/blc/.local/src/emacs/lib-src/seccomp-filter.bpf $'--eval=(message "Hi")' Executable: /home/blc/.local/src/emacs/src/emacs Control Group: /user.slice/user-1000.slice/user@1000.service/app.slice/app-org.gnome.Terminal.slice/vte-spawn-f315a4b7-eae9-425e-940f-6c05c5d86ded.scope Unit: user@1000.service User Unit: vte-spawn-f315a4b7-eae9-425e-940f-6c05c5d86ded.scope Slice: user-1000.slice Owner UID: 1000 (blc) Boot ID: 4d8867e0dc1e443589a72674d09ab454 Machine ID: 1eaf00d04e87431584dd7dfc9cf6503c Hostname: tia Storage: /var/lib/systemd/coredump/core.emacs.0.4d8867e0dc1e443589a72674d09ab454.45794.1660992468000000.zst (present) Disk Size: 4.3M Package: systemd/251.3-1 build-id: b2a6a65bc14c6d8bf2cda8b111ef76d28f5fc236 Message: Process 45794 (emacs) of user 0 dumped core. 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368d652b25bccafcf6ab3c9c6381d07fb8393803 Module libtiff.so.5 with build-id 14e6f44bec2833d451aec36cc714e1ecf3827c38 Stack trace of thread 45794: #0 0x00007fe35b30a779 __clone3 (libc.so.6 + 0x10a779) ELF object binary architecture: AMD x86-64 (ert-test-failed ((should (eql status 0)) :form (eql "Bad system call" 0) :value nil)) FAILED 3/7 emacs-tests/seccomp/allows-stdout (0.469686 sec) at src/emacs-tests.el:122 passed 4/7 emacs-tests/seccomp/empty-file (0.018709 sec) passed 5/7 emacs-tests/seccomp/file-too-large (0.037040 sec) passed 6/7 emacs-tests/seccomp/forbids-subprocess (0.450736 sec) passed 7/7 emacs-tests/seccomp/invalid-file-size (0.032066 sec) Ran 7 tests, 5 results as expected, 2 unexpected (2022-08-20 13:47:49+0300, 1.870842 sec) 2 unexpected results: FAILED emacs-tests/bwrap/allows-stdout FAILED emacs-tests/seccomp/allows-stdout make[2]: *** [Makefile:174: src/emacs-tests.log] Error 1 make[2]: Leaving directory '/home/blc/.local/src/emacs/test' make[1]: *** [Makefile:240: src/emacs-tests] Error 2 make[1]: Leaving directory '/home/blc/.local/src/emacs/test' make: *** [Makefile:1022: test/emacs-tests] Error 2 [-- Attachment #3: Type: text/plain, Size: 4073 bytes --] This with: $ /lib/x86_64-linux-gnu/libc.so.6 GNU C Library (Debian GLIBC 2.34-3) stable release version 2.34. Copyright (C) 2021 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Compiled by GNU CC version 11.3.0. libc ABIs: UNIQUE IFUNC ABSOLUTE > Hmm, I'm not sure we should allow clone3 unconditionally since it can do lots of > things, and I'd expect that its capabilities will only grow over time. OTOH, BPF > (or at least the libseccomp library) don't support pointer indirections which > would be needed to inspect the structure fields. See > https://lwn.net/Articles/822256/. > Any opinions? No opinion from me, but FWIW Docker seems to allow clone3 in its default policy: https://github.com/docker/docker-ce/commit/522fcd0056 https://github.com/containerd/containerd/pull/5982 Thanks, -- Basil In GNU Emacs 29.0.50 (build 1, x86_64-pc-linux-gnu, X toolkit, cairo version 1.16.0, Xaw3d scroll bars) of 2022-08-20 built on tia Repository revision: 3312710fd672021b17983ef2287dbd57a9a110a1 Repository branch: master Windowing system distributor 'The X.Org Foundation', version 11.0.12101004 System Description: Debian GNU/Linux bookworm/sid Configured using: 'configure 'CFLAGS=-Og -ggdb3' --config-cache --prefix=/home/blc/.local --enable-checking=structs --with-file-notification=yes --with-x-toolkit=lucid --with-x' Configured features: ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS WEBP X11 XAW3D XDBE XIM XINPUT2 XPM LUCID ZLIB Important settings: value of $LANG: en_IE.UTF-8 value of $XMODIFIERS: @im=ibus locale-coding-system: utf-8-unix Major mode: Lisp Interaction Minor modes in effect: tooltip-mode: t global-eldoc-mode: t eldoc-mode: t show-paren-mode: t electric-indent-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t line-number-mode: t indent-tabs-mode: t transient-mark-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t Load-path shadows: None found. Features: (shadow sort mail-extr emacsbug message mailcap yank-media puny dired dired-loaddefs rfc822 mml mml-sec password-cache epa derived epg rfc6068 epg-config gnus-util text-property-search time-date subr-x mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader cl-loaddefs cl-lib sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils rmc iso-transl tooltip eldoc paren electric uniquify ediff-hook vc-hooks lisp-float-type elisp-mode mwheel term/x-win x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list replace newcomment text-mode lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock font-lock syntax font-core term/tty-colors frame minibuffer nadvice seq simple cl-generic indonesian philippine cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese composite emoji-zwj charscript charprop case-table epa-hook jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs faces cus-face macroexp files window text-properties overlay sha1 md5 base64 format env code-pages mule custom widget keymap hashtable-print-readable backquote threads dbusbind inotify lcms2 dynamic-setting system-font-setting font-render-setting cairo x-toolkit xinput2 x multi-tty make-network-process emacs) Memory information: ((conses 16 36336 7449) (symbols 48 5084 0) (strings 32 13829 1888) (string-bytes 1 381827) (vectors 16 9205) (vector-slots 8 145425 12943) (floats 8 23 25) (intervals 56 236 0) (buffers 992 10)) ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#56359: seccomp test failures on RHEL 9.0 2022-08-20 12:37 ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors @ 2022-10-11 0:54 ` Lars Ingebrigtsen 2022-10-11 12:36 ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors 0 siblings, 1 reply; 12+ messages in thread From: Lars Ingebrigtsen @ 2022-10-11 0:54 UTC (permalink / raw) To: Basil L. Contovounesios; +Cc: Glenn Morris, Philipp Stephani, 56359 I've now applied Philipp's patch (adding gettid), and Paul has fixed other bits here in 345de32a. Does the tests pass on RHEL on "master" now? ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#56359: seccomp test failures on RHEL 9.0 2022-10-11 0:54 ` Lars Ingebrigtsen @ 2022-10-11 12:36 ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors 2022-10-11 17:43 ` Paul Eggert 0 siblings, 1 reply; 12+ messages in thread From: Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors @ 2022-10-11 12:36 UTC (permalink / raw) To: Lars Ingebrigtsen; +Cc: Glenn Morris, Philipp Stephani, Paul Eggert, 56359 [-- Attachment #1: Type: text/plain, Size: 285 bytes --] Lars Ingebrigtsen [2022-10-11 02:54 +0200] wrote: > I've now applied Philipp's patch (adding gettid), and Paul has fixed > other bits here in 345de32a. Thanks. > Does the tests pass on RHEL on "master" now? Can't say for RHEL, but on Debian I get an error for syscall=pidfd_open: [-- Attachment #2: emacs-tests.log --] [-- Type: text/plain, Size: 29308 bytes --] Running 7 tests (2022-10-11 15:27:16+0300, selector `(not (or (tag :expensive-test) (tag :unstable) (tag :nativecomp)))') Test emacs-tests/bwrap/allows-stdout backtrace: signal(ert-test-failed (((should (eql status 0)) :form (eql 159 0) : ert-fail(((should (eql status 0)) :form (eql 159 0) :value nil)) #f(compiled-function () #<bytecode -0xe0c79656d3a65ec>)() ert--run-test-internal(#s(ert--test-execution-info :test #s(ert-test ert-run-test(#s(ert-test :name emacs-tests/bwrap/allows-stdout :docu ert-run-or-rerun-test(#s(ert--stats :selector (not (or ... ... ...)) ert-run-tests((not (or (tag :expensive-test) (tag :unstable) (tag :n ert-run-tests-batch((not (or (tag :expensive-test) (tag :unstable) ( ert-run-tests-batch-and-exit((not (or (tag :expensive-test) (tag :un eval((ert-run-tests-batch-and-exit '(not (or (tag :expensive-test) ( command-line-1(("-L" ":." "-l" "ert" "-l" "src/emacs-tests" "--eval" command-line() normal-top-level() Test emacs-tests/bwrap/allows-stdout condition: Info: Process output: Potentially relevant Seccomp audit events: ---- type=SECCOMP msg=audit(10/11/22 15:27:16.211:2373) : auid=blc uid=root gid=root ses=3 subj=unconfined pid=318911 comm=emacs exe=/home/blc/.local/src/emacs/src/emacs sig=SIGSYS arch=x86_64 syscall=pidfd_open compat=0 ip=0x7f37c9503859 code=kill Potentially useful coredump information: PID: 318911 (emacs) UID: 0 (root) GID: 0 (root) Signal: 31 (SYS) Timestamp: Tue 2022-10-11 15:27:16 EEST (593ms ago) Command Line: /home/blc/.local/src/emacs/src/emacs --quick --batch $'--eval=(message "Hi")' Executable: /home/blc/.local/src/emacs/src/emacs Control Group: /user.slice/user-1000.slice/user@1000.service/app.slice/app-org.gnome.Terminal.slice/vte-spawn-03d902e7-d88b-42b9-8e05-540e380186c3.scope Unit: user@1000.service User Unit: vte-spawn-03d902e7-d88b-42b9-8e05-540e380186c3.scope Slice: user-1000.slice Owner UID: 1000 (blc) Boot ID: 5f7a30b1c98644cd92904f59658b6bd7 Machine ID: 1eaf00d04e87431584dd7dfc9cf6503c Hostname: tia Storage: /var/lib/systemd/coredump/core.emacs.0.5f7a30b1c98644cd92904f59658b6bd7.318911.1665491236000000.zst (present) Disk Size: 4.2M Package: systemd/251.5-1 build-id: 104d02501574655e7bf9d87f14c9d6a537b0446f Message: Process 318911 (emacs) of user 0 dumped core. Module /home/blc/.local/src/emacs/src/emacs with build-id 104d02501574655e7bf9d87f14c9d6a537b0446f Metadata for module /home/blc/.local/src/emacs/src/emacs owned by FDO found: { "type" : "deb", "os" : "debian", "name" : "systemd", "architecture" : "amd64", "version" : "251.5-1", "debugInfoUrl" : "https://debuginfod.debian.net" } Module linux-vdso.so.1 with build-id e14a78332591687c6ecc5aaab7d80c97f73059c7 Module libgpg-error.so.0 with build-id 7fdce7d73bd3fde9dc772242e2a0d32fee06ffba Module libdatrie.so.1 with build-id 57f62fe2ce6d6db200f0f8cfee3cc987b25a9e2f Module libbrotlicommon.so.1 with build-id 3c671f721b58fd96b70ba426a215b3c43847bbf5 Module libicudata.so.71 with build-id c2e714254cd127c573a0f401b369b36455875e5e Module libblkid.so.1 with build-id d3e947026c74ed40701063d17ae59a2f6e51abcb Module libfribidi.so.0 with build-id df6a1c7bc544c74c18a8635e3e65965a1fb529c3 Module libpangoft2-1.0.so.0 with build-id 7665226d35e490413282233bb338a8ad7fa67343 Module libXdmcp.so.6 with build-id 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with build-id 692ceb08bd361ef2ea7caaa0926de19466d6f3ad Module libXext.so.6 with build-id d3ac3e1515190245564a30a611f4a2a4eb94a617 Module libICE.so.6 with build-id 6a0429d9840edac7a76507600758dfad21dbae99 Module libSM.so.6 with build-id 934950c93be01703ce94d26738d1f9aa1f7a9096 Module libXt.so.6 with build-id 932a859be84231f3dd466bc0ab6ab50b73924122 Module libXmu.so.6 with build-id 3528615d26bf0f9135a891572710d3dcff99bcd7 Module libXaw3d.so.6 with build-id 6fda728c42c55e0191091b66601f081967e55aa4 Module libwebp.so.7 with build-id 23fa061dd0c70d882df0f19ca3535ee1c5b142d7 Module libwebpdemux.so.2 with build-id b9f941bbea322013385dd6716dbd2289a16f617d Module libXpm.so.4 with build-id 1f2dd817d18808f7122857a252faa77d6ed56109 Module libgif.so.7 with build-id f9a731f11245de181862edf5563cca8ea9cbc4a3 Module libpng16.so.16 with build-id 24720328fb61293ea32d8283c030fc0431082f65 Module libjpeg.so.62 with build-id 12da81e724cd81f4c71e54182d94d21f2bab27df Module libtiff.so.5 with build-id 14e6f44bec2833d451aec36cc714e1ecf3827c38 Stack trace of thread 318911: #0 0x00007f37c9503859 syscall (libc.so.6 + 0x103859) #1 0x00007f37ca2d28d0 g_child_watch_source_new (libglib-2.0.so.0 + 0x558d0) #2 0x000055e207d55f57 n/a (/home/blc/.local/src/emacs/src/emacs + 0x1e4f57) ELF object binary architecture: AMD x86-64 (ert-test-failed ((should (eql status 0)) :form (eql 159 0) :value nil)) FAILED 1/7 emacs-tests/bwrap/allows-stdout (0.413491 sec) at src/emacs-tests.el:175 passed 2/7 emacs-tests/seccomp/absent-file (0.033529 sec) Test emacs-tests/seccomp/allows-stdout backtrace: signal(ert-test-failed (((should (eql status 0)) :form (eql "Bad sys ert-fail(((should (eql status 0)) :form (eql "Bad system call" 0) :v #f(compiled-function () #<bytecode -0x436deb186b34287>)() ert--run-test-internal(#s(ert--test-execution-info :test #s(ert-test ert-run-test(#s(ert-test :name emacs-tests/seccomp/allows-stdout :do ert-run-or-rerun-test(#s(ert--stats :selector (not (or ... ... ...)) ert-run-tests((not (or (tag :expensive-test) (tag :unstable) (tag :n ert-run-tests-batch((not (or (tag :expensive-test) (tag :unstable) ( ert-run-tests-batch-and-exit((not (or (tag :expensive-test) (tag :un eval((ert-run-tests-batch-and-exit '(not (or (tag :expensive-test) ( command-line-1(("-L" ":." "-l" "ert" "-l" "src/emacs-tests" "--eval" command-line() normal-top-level() Test emacs-tests/seccomp/allows-stdout condition: Info: Process output: Potentially relevant Seccomp audit events: ---- type=SECCOMP msg=audit(10/11/22 15:27:16.211:2373) : auid=blc uid=root gid=root ses=3 subj=unconfined pid=318911 comm=emacs exe=/home/blc/.local/src/emacs/src/emacs sig=SIGSYS arch=x86_64 syscall=pidfd_open compat=0 ip=0x7f37c9503859 code=kill ---- type=SECCOMP msg=audit(10/11/22 15:27:16.823:2383) : auid=blc uid=root gid=root ses=3 subj=unconfined pid=318937 comm=emacs exe=/home/blc/.local/src/emacs/src/emacs sig=SIGSYS arch=x86_64 syscall=pidfd_open compat=0 ip=0x7f7669903859 code=kill Potentially useful coredump information: PID: 318937 (emacs) UID: 0 (root) GID: 0 (root) Signal: 31 (SYS) Timestamp: Tue 2022-10-11 15:27:16 EEST (1s ago) Command Line: /home/blc/.local/src/emacs/src/emacs --quick --batch --seccomp=/home/blc/.local/src/emacs/lib-src/seccomp-filter.bpf $'--eval=(message "Hi")' Executable: /home/blc/.local/src/emacs/src/emacs Control Group: /user.slice/user-1000.slice/user@1000.service/app.slice/app-org.gnome.Terminal.slice/vte-spawn-03d902e7-d88b-42b9-8e05-540e380186c3.scope Unit: user@1000.service User Unit: vte-spawn-03d902e7-d88b-42b9-8e05-540e380186c3.scope Slice: user-1000.slice Owner UID: 1000 (blc) Boot ID: 5f7a30b1c98644cd92904f59658b6bd7 Machine ID: 1eaf00d04e87431584dd7dfc9cf6503c Hostname: tia Storage: /var/lib/systemd/coredump/core.emacs.0.5f7a30b1c98644cd92904f59658b6bd7.318937.1665491236000000.zst (present) Disk Size: 4.2M Package: systemd/251.5-1 build-id: 104d02501574655e7bf9d87f14c9d6a537b0446f Message: Process 318937 (emacs) of user 0 dumped core. 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14e6f44bec2833d451aec36cc714e1ecf3827c38 Stack trace of thread 318937: #0 0x00007f7669903859 syscall (libc.so.6 + 0x103859) #1 0x00007f766a7328d0 g_child_watch_source_new (libglib-2.0.so.0 + 0x558d0) #2 0x000055d2e7fddf57 n/a (/home/blc/.local/src/emacs/src/emacs + 0x1e4f57) ELF object binary architecture: AMD x86-64 (ert-test-failed ((should (eql status 0)) :form (eql "Bad system call" 0) :value nil)) FAILED 3/7 emacs-tests/seccomp/allows-stdout (0.407281 sec) at src/emacs-tests.el:122 passed 4/7 emacs-tests/seccomp/empty-file (0.033093 sec) passed 5/7 emacs-tests/seccomp/file-too-large (0.046143 sec) passed 6/7 emacs-tests/seccomp/forbids-subprocess (0.378007 sec) passed 7/7 emacs-tests/seccomp/invalid-file-size (0.020792 sec) Ran 7 tests, 5 results as expected, 2 unexpected (2022-10-11 15:27:17+0300, 1.557409 sec) 2 unexpected results: FAILED emacs-tests/bwrap/allows-stdout FAILED emacs-tests/seccomp/allows-stdout [-- Attachment #3: Type: text/plain, Size: 3131 bytes --] -- Basil In GNU Emacs 29.0.50 (build 1, x86_64-pc-linux-gnu, X toolkit, cairo version 1.16.0, Xaw3d scroll bars) of 2022-10-11 built on tia Repository revision: 61b6da5acef2d550022c664e628346539ba1852f Repository branch: master Windowing system distributor 'The X.Org Foundation', version 11.0.12101004 System Description: Debian GNU/Linux bookworm/sid Configured using: 'configure 'CFLAGS=-Og -ggdb3' -C --prefix=/home/blc/.local --enable-checking=structs --with-file-notification=yes --with-x-toolkit=lucid --with-x' Configured features: ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS WEBP X11 XAW3D XDBE XIM XINPUT2 XPM LUCID ZLIB Important settings: value of $LANG: en_IE.UTF-8 value of $XMODIFIERS: @im=ibus locale-coding-system: utf-8-unix Major mode: Lisp Interaction Minor modes in effect: tooltip-mode: t global-eldoc-mode: t eldoc-mode: t show-paren-mode: t electric-indent-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t line-number-mode: t indent-tabs-mode: t transient-mark-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t Load-path shadows: None found. Features: (shadow sort mail-extr emacsbug message mailcap yank-media puny dired dired-loaddefs rfc822 mml mml-sec password-cache epa derived epg rfc6068 epg-config gnus-util text-property-search time-date subr-x mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader cl-loaddefs cl-lib sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils rmc iso-transl tooltip eldoc paren electric uniquify ediff-hook vc-hooks lisp-float-type elisp-mode mwheel term/x-win x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list replace newcomment text-mode lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock font-lock syntax font-core term/tty-colors frame minibuffer nadvice seq simple cl-generic indonesian philippine cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese composite emoji-zwj charscript charprop case-table epa-hook jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs faces cus-face macroexp files window text-properties overlay sha1 md5 base64 format env code-pages mule custom widget keymap hashtable-print-readable backquote threads dbusbind inotify lcms2 dynamic-setting system-font-setting font-render-setting cairo x-toolkit xinput2 x multi-tty make-network-process emacs) Memory information: ((conses 16 36541 7827) (symbols 48 5112 0) (strings 32 13858 1890) (string-bytes 1 380306) (vectors 16 9260) (vector-slots 8 147216 12174) (floats 8 23 25) (intervals 56 242 0) (buffers 1000 10)) ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#56359: seccomp test failures on RHEL 9.0 2022-10-11 12:36 ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors @ 2022-10-11 17:43 ` Paul Eggert 2022-10-11 19:47 ` Lars Ingebrigtsen 0 siblings, 1 reply; 12+ messages in thread From: Paul Eggert @ 2022-10-11 17:43 UTC (permalink / raw) To: Basil L. Contovounesios, Lars Ingebrigtsen Cc: Glenn Morris, Philipp Stephani, 56359 On 2022-10-11 05:36, Basil L. Contovounesios wrote: > Lars Ingebrigtsen [2022-10-11 02:54 +0200] wrote: > >> I've now applied Philipp's patch (adding gettid), and Paul has fixed >> other bits here in 345de32a. I didn't know about Bug#56359 when I "fixed" those other bits. My "fix" involved allowing all uses of clone3, which (as Philipp noted in August) is problematic. I'm not sure what's being tested for, but if clone3 lets you evade the checks then the test is arguably more trouble than it's worth. Would marking it as :unstable lessen the number of false alarms we're getting? If not, perhaps we should remove it or mark it as :dont-use-unless-you-know-what-youre-doing or whatever. ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#56359: seccomp test failures on RHEL 9.0 2022-10-11 17:43 ` Paul Eggert @ 2022-10-11 19:47 ` Lars Ingebrigtsen 2022-10-18 9:32 ` Philipp Stephani 0 siblings, 1 reply; 12+ messages in thread From: Lars Ingebrigtsen @ 2022-10-11 19:47 UTC (permalink / raw) To: Paul Eggert Cc: Basil L. Contovounesios, Glenn Morris, Philipp Stephani, 56359 Paul Eggert <eggert@cs.ucla.edu> writes: > My "fix" involved allowing all uses of clone3, which (as Philipp noted > in August) is problematic. I'm not sure what's being tested for, but > if clone3 lets you evade the checks then the test is arguably more > trouble than it's worth. Would marking it as :unstable lessen the > number of false alarms we're getting? If not, perhaps we should remove > it or mark it as :dont-use-unless-you-know-what-youre-doing or > whatever. And pidfd_open also sounds like a non-safe call (without looking at it closely). Skimming the tests, they seem to test pretty basic functionality in the seccomp area -- that is, without allowing pidfd_open/clone3, nothing will be able to run using the seccomp functionality. But since those are somewhat unsafe, then... what's the point? But I may be missing how this is supposed to be used altogether. ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#56359: seccomp test failures on RHEL 9.0 2022-10-11 19:47 ` Lars Ingebrigtsen @ 2022-10-18 9:32 ` Philipp Stephani 0 siblings, 0 replies; 12+ messages in thread From: Philipp Stephani @ 2022-10-18 9:32 UTC (permalink / raw) To: Lars Ingebrigtsen Cc: Basil L. Contovounesios, Glenn Morris, Paul Eggert, 56359 Am Di., 11. Okt. 2022 um 21:47 Uhr schrieb Lars Ingebrigtsen <larsi@gnus.org>: > > Paul Eggert <eggert@cs.ucla.edu> writes: > > > My "fix" involved allowing all uses of clone3, which (as Philipp noted > > in August) is problematic. I'm not sure what's being tested for, but > > if clone3 lets you evade the checks then the test is arguably more > > trouble than it's worth. Would marking it as :unstable lessen the > > number of false alarms we're getting? If not, perhaps we should remove > > it or mark it as :dont-use-unless-you-know-what-youre-doing or > > whatever. > > And pidfd_open also sounds like a non-safe call (without looking at it > closely). > > Skimming the tests, they seem to test pretty basic functionality in the > seccomp area -- that is, without allowing pidfd_open/clone3, nothing > will be able to run using the seccomp functionality. But since those > are somewhat unsafe, then... what's the point? Neither pidfd_open nor clone3 are "unsafe". The concern is that clone3 might expand its functionality to eventually allow unsafe operations like opening network sockets, and with its interface there's no way for a seccomp filter to prevent that. One option might be to have clone3 return ENOSYS, if the caller falls back to clone in that case. ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#56359: seccomp test failures on RHEL 9.0 2022-07-02 17:45 bug#56359: seccomp test failures on RHEL 9.0 Glenn Morris 2022-07-15 14:12 ` Philipp Stephani @ 2022-10-06 16:56 ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors 2022-10-07 11:56 ` Lars Ingebrigtsen 1 sibling, 1 reply; 12+ messages in thread From: Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors @ 2022-10-06 16:56 UTC (permalink / raw) To: p.stephani2; +Cc: 56359, Glenn Morris found 56359 28.2.50 found 56359 29.0.50 quit Glenn Morris [2022-07-02 13:45 -0400] wrote: > emacs-28 at e390396e684 on RHEL 9.0: > > 2 unexpected results: > FAILED emacs-tests/bwrap/allows-stdout > FAILED emacs-tests/seccomp/allows-stdout I'm still seeing these failures. Considering their history (bug#47708, bug#47828, bug#51073, bug#53504, bug#57301), perhaps these tests should be tagged as :unstable? Thanks, -- Basil ^ permalink raw reply [flat|nested] 12+ messages in thread
* bug#56359: seccomp test failures on RHEL 9.0 2022-10-06 16:56 ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors @ 2022-10-07 11:56 ` Lars Ingebrigtsen 0 siblings, 0 replies; 12+ messages in thread From: Lars Ingebrigtsen @ 2022-10-07 11:56 UTC (permalink / raw) To: p.stephani2; +Cc: Basil L. Contovounesios, 56359, Glenn Morris "Basil L. Contovounesios" via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org> writes: > Glenn Morris [2022-07-02 13:45 -0400] wrote: > >> emacs-28 at e390396e684 on RHEL 9.0: >> >> 2 unexpected results: >> FAILED emacs-tests/bwrap/allows-stdout >> FAILED emacs-tests/seccomp/allows-stdout > > I'm still seeing these failures. Considering their history (bug#47708, > bug#47828, bug#51073, bug#53504, bug#57301), perhaps these tests should > be tagged as :unstable? They've certainly been problematic, so perhaps that's the best solution as this point. Perhaps it would be possible to avoid marking them as unstable on platforms they're known to be working (and should continue working)? I'm not at all sure how to get as such a list, though. ^ permalink raw reply [flat|nested] 12+ messages in thread
end of thread, other threads:[~2022-10-18 9:32 UTC | newest] Thread overview: 12+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2022-07-02 17:45 bug#56359: seccomp test failures on RHEL 9.0 Glenn Morris 2022-07-15 14:12 ` Philipp Stephani 2022-07-15 23:35 ` Glenn Morris 2022-07-16 10:50 ` Philipp Stephani 2022-08-20 12:37 ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors 2022-10-11 0:54 ` Lars Ingebrigtsen 2022-10-11 12:36 ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors 2022-10-11 17:43 ` Paul Eggert 2022-10-11 19:47 ` Lars Ingebrigtsen 2022-10-18 9:32 ` Philipp Stephani 2022-10-06 16:56 ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors 2022-10-07 11:56 ` Lars Ingebrigtsen
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