rseq(0xa723f8c0, 0x20, 0, 0xfe5000b) = 0 set_robust_list(0xa723f48c, 12) = 0 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xa7c08000 pipe2([7, 8], O_CLOEXEC) = 0 swapcontext(0xa723e10c, 0) = 0 read(5, "\0", 1) = 1 swapcontext(0xa723e10c, 0) = 0 read(5, "\0", 1) = 1 swapcontext(0xa723e10c, 0) = 0 read(5, "\0", 1) = 1 swapcontext(0xa723e10c, 0) = 0 read(5, "\0", 1) = 1 swapcontext(0xa723e10c, 0) = 0 read(5, "\0", 1) = 1 swapcontext(0xa723e10c, 0) = 0 read(5, "\0", 1) = 1 swapcontext(0xa723e10c, 0) = 0 read(5, "\0", 1) = 1 futex(0x7e0a30, FUTEX_WAKE_PRIVATE, 1) = 1 swapcontext(0xa723e10c, 0) = 0 read(5, "\0", 1) = 1 swapcontext(0xa723e10c, 0) = 0 read(5, "\0", 1) = 1 swapcontext(0xa723e10c, 0) = 0 read(5, "\0", 1) = 1 futex(0xa7722dc4, FUTEX_WAKE_PRIVATE, 1) = 1 swapcontext(0xa723e10c, 0) = 0 read(5, "\0", 1) = 1 swapcontext(0xa723e10c, 0) = 0 read(5, "\0", 1) = 1 futex(0xa7717fc4, FUTEX_WAKE_PRIVATE, 1) = 0 swapcontext(0xa723e10c, 0) = 0 read(5, "\0", 1) = 1 swapcontext(0xa723e10c, 0) = 0 read(5, ) = ? +++ exited with 1 +++