* bug#71226: ‘guix shell -C’ doesn’t work on Ubuntu 24.04
@ 2024-05-27 14:55 Ludovic Courtès
2024-05-30 13:55 ` bug#71226: Upstream ubuntu issue W. J. van der Laan
0 siblings, 1 reply; 2+ messages in thread
From: Ludovic Courtès @ 2024-05-27 14:55 UTC (permalink / raw)
To: 71226
On Ubuntu 24.04, ‘guix shell -C’ has its child process (in a separate
mount namespace) fail to mount a tmpfs:
--8<---------------cut here---------------start------------->8---
294642 clone(child_stack=NULL, flags=CLONE_NEWNS|CLONE_NEWCGROUP|CLONE_NEWUTS|CLONE_NEWIPC|CLONE_NEWUSER|CLONE_NEWPID|CLONE_NEWNET|SIGCHLD) = 294653
294642 close(15) = 0
294642 getuid() = 1000
294642 getgid() = 1000
294653 close(16) = 0
294642 openat(AT_FDCWD, "/proc/294653/setgroups", O_WRONLY|O_CREAT|O_TRUNC, 0666 <unfinished ...>
294653 read(15, <unfinished ...>
294642 <... openat resumed>) = 6
294642 newfstatat(6, "", {st_mode=S_IFREG|0644, st_size=0, ...}, AT_EMPTY_PATH) = 0
294642 lseek(6, 0, SEEK_CUR) = 0
294642 write(6, "deny", 4) = 4
294642 close(6) = 0
294642 openat(AT_FDCWD, "/proc/294653/uid_map", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 6
294642 newfstatat(6, "", {st_mode=S_IFREG|0644, st_size=0, ...}, AT_EMPTY_PATH) = 0
294642 lseek(6, 0, SEEK_CUR) = 0
294642 write(6, "1000 1000 1", 11) = 11
294642 close(6) = 0
294642 openat(AT_FDCWD, "/proc/294653/gid_map", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 6
294642 newfstatat(6, "", {st_mode=S_IFREG|0644, st_size=0, ...}, AT_EMPTY_PATH) = 0
294642 lseek(6, 0, SEEK_CUR) = 0
294642 write(6, "1000 1000 1", 11) = 11
294642 close(6) = 0
294642 write(16, "ready", 5) = 5
294653 <... read resumed>"r", 1) = 1
294642 write(16, "\n", 1) = 1
294653 read(15, "e", 1) = 1
294642 read(16, <unfinished ...>
294653 read(15, "a", 1) = 1
294653 read(15, "d", 1) = 1
294653 read(15, "y", 1) = 1
294653 read(15, "\n", 1) = 1
294653 mount("none", "/tmp/guix-directory.3DaoGp", "tmpfs", 0, NULL) = -1 EACCES (Permission denied)
294653 write(15, "(", 1) = 1
294642 <... read resumed>"(", 1) = 1
294653 write(15, "system-error", 12 <unfinished ...>
--8<---------------cut here---------------end--------------->8---
(It used to work on Ubuntu 22.)
Ludo’.
^ permalink raw reply [flat|nested] 2+ messages in thread
* bug#71226: Upstream ubuntu issue
2024-05-27 14:55 bug#71226: ‘guix shell -C’ doesn’t work on Ubuntu 24.04 Ludovic Courtès
@ 2024-05-30 13:55 ` W. J. van der Laan
0 siblings, 0 replies; 2+ messages in thread
From: W. J. van der Laan @ 2024-05-30 13:55 UTC (permalink / raw)
To: 71226@debbugs.gnu.org
Upstream ubuntu issue (includes possible workaround): https://bugs.launchpad.net/ubuntu/+source/guix/+bug/2064115
^ permalink raw reply [flat|nested] 2+ messages in thread
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2024-05-27 14:55 bug#71226: ‘guix shell -C’ doesn’t work on Ubuntu 24.04 Ludovic Courtès
2024-05-30 13:55 ` bug#71226: Upstream ubuntu issue W. J. van der Laan
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