ci2-upstream-fs/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-upstream-fs/syz-executor2871450969 <...> Warning: Permanently added '10.128.0.178' (ED25519) to the list of known hosts. execve("ci2-upstream-fs/syz-executor2871450969", ["ci2-upstream-fs/syz-executor2871450969"], 0x7ffe5ff626d0 /* 10 vars */) = 0 brk(NULL) = 0x55557ba2c000 brk(0x55557ba2cd80) = 0x55557ba2cd80 arch_prctl(ARCH_SET_FS, 0x55557ba2c400) = 0 set_tid_address(0x55557ba2c6d0) = 5623 set_robust_list(0x55557ba2c6e0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-upstream-fs/syz-executor2871450969", 4096) = 44 getrandom("\xf6\x8a\x68\xcb\x99\x18\xdd\x51", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557ba2cd80 brk(0x55557ba4dd80) = 0x55557ba4dd80 brk(0x55557ba4e000) = 0x55557ba4e000 mprotect(0x7fece0545000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5624 attached , child_tidptr=0x55557ba2c6d0) = 5624 [pid 5623] rt_sigprocmask(SIG_SETMASK, [] [pid 5624] set_robust_list(0x55557ba2c6e0, 24 [pid 5623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5624] <... set_robust_list resumed>) = 0 [pid 5624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5624] setpgid(0, 0) = 0 [pid 5624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5624] write(3, "1000", 4) = 4 [pid 5624] close(3) = 0 [pid 5624] write(1, "executing program\n", 18) = 18 executing program [pid 5624] io_uring_setup(12635, {flags=IORING_SETUP_SQPOLL|IORING_SETUP_R_DISABLED|IORING_SETUP_SINGLE_ISSUER, sq_thread_cpu=0x4, sq_thread_idle=852, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5624] mmap(NULL, 589888, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7fece0400000 [pid 5624] mmap(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7fece0300000 [pid 5624] exit_group(0) = ? [pid 5624] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5624, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5626 attached , child_tidptr=0x55557ba2c6d0) = 5626 [pid 5623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5626] set_robust_list(0x55557ba2c6e0, 24) = 0 [pid 5626] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5626] setpgid(0, 0) = 0 [pid 5626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5626] write(3, "1000", 4) = 4 [pid 5626] close(3) = 0 [pid 5626] write(1, "executing program\n", 18) = 18 executing program [pid 5626] io_uring_setup(12635, {flags=IORING_SETUP_SQPOLL|IORING_SETUP_R_DISABLED|IORING_SETUP_SINGLE_ISSUER, sq_thread_cpu=0x4, sq_thread_idle=852, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5626] mmap(NULL, 589888, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7fece0400000 [pid 5626] mmap(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7fece0300000 [pid 5626] exit_group(0) = ? [pid 5626] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5626, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5628 attached [pid 5628] set_robust_list(0x55557ba2c6e0, 24 [pid 5623] <... clone resumed>, child_tidptr=0x55557ba2c6d0) = 5628 [pid 5628] <... set_robust_list resumed>) = 0 [pid 5623] rt_sigprocmask(SIG_SETMASK, [] [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5628] setpgid(0, 0) = 0 [pid 5628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5628] write(3, "1000", 4) = 4 [pid 5628] close(3) = 0 [pid 5628] write(1, "executing program\n", 18) = 18 executing program [pid 5628] io_uring_setup(12635, {flags=IORING_SETUP_SQPOLL|IORING_SETUP_R_DISABLED|IORING_SETUP_SINGLE_ISSUER, sq_thread_cpu=0x4, sq_thread_idle=852, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5628] mmap(NULL, 589888, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7fece0400000 [ 81.565414][ T167] ------------[ cut here ]------------ [ 81.565431][ T167] test_bit(IO_SQ_THREAD_SHOULD_STOP, &sqd->state) [ 81.565439][ T167] WARNING: io_uring/sqpoll.c:88 at io_sq_thread_stop+0x17e/0x1a0, CPU#1: kworker/u8:6/167 [ 81.587308][ T167] Modules linked in: [ 81.591276][ T167] CPU: 1 UID: 0 PID: 167 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 81.601215][ T167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [pid 5628] mmap(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7fece0300000 [pid 5628] exit_group(0) = ? [pid 5628] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5628, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [ 81.611309][ T167] Workqueue: iou_exit io_ring_exit_work [ 81.616924][ T167] RIP: 0010:io_sq_thread_stop+0x17e/0x1a0 [ 81.622679][ T167] Code: c6 05 b6 84 e9 0b 01 48 c7 c7 e0 d9 ea 8b be 26 00 00 00 48 c7 c2 20 da ea 8b e8 ed 8e cd fc e9 4f ff ff ff e8 73 62 f2 fc 90 <0f> 0b 90 e9 e1 fe ff ff e8 65 62 f2 fc 90 0f 0b 90 e9 6e ff ff ff [ 81.642361][ T167] RSP: 0018:ffffc90004287890 EFLAGS: 00010293 [ 81.648475][ T167] RAX: ffffffff84d5761d RBX: ffff88803495e800 RCX: ffff8880227ebe80 [ 81.656475][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5630 attached , child_tidptr=0x55557ba2c6d0) = 5630 [pid 5623] rt_sigprocmask(SIG_SETMASK, [] [pid 5630] set_robust_list(0x55557ba2c6e0, 24) = 0 [pid 5623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5630] setpgid(0, 0) = 0 [ 81.664463][ T167] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 81.672458][ T167] R10: dffffc0000000000 R11: ffffed100692bd2b R12: 0000000000000001 [ 81.680466][ T167] R13: 0000000000000000 R14: ffff88803495e950 R15: dffffc0000000000 [ 81.688487][ T167] FS: 0000000000000000(0000) GS:ffff888124815000(0000) knlGS:0000000000000000 [ 81.697474][ T167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.704052][ T167] CR2: 00007fece04c5e70 CR3: 00000000466a2000 CR4: 00000000003526f0 [ 81.712052][ T167] Call Trace: [pid 5630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5630] write(3, "1000", 4) = 4 [pid 5630] close(3) = 0 executing program [pid 5630] write(1, "executing program\n", 18) = 18 [pid 5630] io_uring_setup(12635, {flags=IORING_SETUP_SQPOLL|IORING_SETUP_R_DISABLED|IORING_SETUP_SINGLE_ISSUER, sq_thread_cpu=0x4, sq_thread_idle=852, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5630] mmap(NULL, 589888, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7fece0400000 [ 81.715353][ T167] [ 81.718290][ T167] io_put_sq_data+0x8a/0x150 [ 81.722916][ T167] io_sq_thread_finish+0x1fd/0x240 [ 81.728080][ T167] io_ring_ctx_free+0x2d/0x5e0 [ 81.732841][ T167] io_ring_exit_work+0x5b1/0x640 [ 81.737825][ T167] ? __pfx_io_ring_exit_work+0x10/0x10 [ 81.743309][ T167] ? __pfx_io_tctx_exit_cb+0x10/0x10 [ 81.748656][ T167] ? rcu_is_watching+0x16/0xb0 [ 81.753425][ T167] ? process_scheduled_works+0x97a/0x1630 [ 81.759215][ T167] process_scheduled_works+0xc3d/0x1630 [pid 5630] mmap(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7fece0300000 [pid 5630] exit_group(0) = ? [pid 5630] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5630, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5632 attached [ 81.764853][ T167] ? __pfx_process_scheduled_works+0x10/0x10 [ 81.770866][ T167] ? assign_work+0x3cf/0x5d0 [ 81.775490][ T167] worker_thread+0xa47/0xfb0 [ 81.780110][ T167] ? __kthread_parkme+0x71/0x1f0 [ 81.785099][ T167] kthread+0x38b/0x470 [ 81.789183][ T167] ? __pfx_worker_thread+0x10/0x10 [ 81.794299][ T167] ? __pfx_kthread+0x10/0x10 [ 81.799008][ T167] ret_from_fork+0x514/0xb70 [ 81.803624][ T167] ? __pfx_ret_from_fork+0x10/0x10 [ 81.808757][ T167] ? __switch_to+0xc78/0x1410 [pid 5632] set_robust_list(0x55557ba2c6e0, 24 [pid 5623] <... clone resumed>, child_tidptr=0x55557ba2c6d0) = 5632 [pid 5623] rt_sigprocmask(SIG_SETMASK, [] [pid 5632] <... set_robust_list resumed>) = 0 [pid 5623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5632] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5632] setpgid(0, 0) = 0 [pid 5632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5632] write(3, "1000", 4) = 4 [pid 5632] close(3) = 0 executing program [pid 5632] write(1, "executing program\n", 18) = 18 [pid 5632] io_uring_setup(12635, {flags=IORING_SETUP_SQPOLL|IORING_SETUP_R_DISABLED|IORING_SETUP_SINGLE_ISSUER, sq_thread_cpu=0x4, sq_thread_idle=852, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [ 81.813431][ T167] ? __pfx_kthread+0x10/0x10 [ 81.818070][ T167] ret_from_fork_asm+0x1a/0x30 [ 81.822873][ T167] [ 81.825920][ T167] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 81.833193][ T167] CPU: 1 UID: 0 PID: 167 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 81.843087][ T167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 81.853136][ T167] Workqueue: iou_exit io_ring_exit_work [ 81.858682][ T167] Call Trace: [ 81.861947][ T167] [pid 5632] mmap(NULL, 589888, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7fece0400000 [pid 5632] mmap(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7fece0300000 [pid 5632] exit_group(0) = ? [ 81.864872][ T167] vpanic+0x26f/0x710 [ 81.868882][ T167] panic+0xc5/0xd0 [ 81.872595][ T167] ? __pfx_panic+0x10/0x10 [ 81.877001][ T167] ? ret_from_fork_asm+0x1a/0x30 [ 81.881941][ T167] __warn+0x315/0x4c0 [ 81.885940][ T167] ? io_sq_thread_stop+0x17e/0x1a0 [ 81.891066][ T167] ? io_sq_thread_stop+0x17e/0x1a0 [ 81.896183][ T167] __report_bug+0x276/0x570 [ 81.900698][ T167] ? io_sq_thread_stop+0x17e/0x1a0 [ 81.905822][ T167] ? __pfx___report_bug+0x10/0x10 [ 81.910856][ T167] ? _raw_spin_unlock_irqrestore+0x30/0x80 [pid 5632] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5632, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5634 attached , child_tidptr=0x55557ba2c6d0) = 5634 [pid 5623] rt_sigprocmask(SIG_SETMASK, [] [pid 5634] set_robust_list(0x55557ba2c6e0, 24 [pid 5623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5634] <... set_robust_list resumed>) = 0 [pid 5634] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5634] setpgid(0, 0) = 0 [pid 5634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5634] write(3, "1000", 4) = 4 [pid 5634] close(3) = 0 [pid 5634] write(1, "executing program\n", 18) = 18 executing program [pid 5634] io_uring_setup(12635, {flags=IORING_SETUP_SQPOLL|IORING_SETUP_R_DISABLED|IORING_SETUP_SINGLE_ISSUER, sq_thread_cpu=0x4, sq_thread_idle=852, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [ 81.916685][ T167] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 81.921986][ T167] ? io_sq_thread_stop+0x17e/0x1a0 [ 81.927097][ T167] report_bug+0x16b/0x220 [ 81.931427][ T167] ? io_sq_thread_stop+0x17e/0x1a0 [ 81.936545][ T167] ? io_sq_thread_stop+0x180/0x1a0 [ 81.941655][ T167] handle_bug+0x9c/0x200 [ 81.945914][ T167] exc_invalid_op+0x1a/0x50 [ 81.950433][ T167] asm_exc_invalid_op+0x1a/0x20 [ 81.955295][ T167] RIP: 0010:io_sq_thread_stop+0x17e/0x1a0 [pid 5634] mmap(NULL, 589888, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7fece0400000 [pid 5634] mmap(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7fece0300000 [pid 5634] exit_group(0) = ? [pid 5634] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5636 attached [ 81.961034][ T167] Code: c6 05 b6 84 e9 0b 01 48 c7 c7 e0 d9 ea 8b be 26 00 00 00 48 c7 c2 20 da ea 8b e8 ed 8e cd fc e9 4f ff ff ff e8 73 62 f2 fc 90 <0f> 0b 90 e9 e1 fe ff ff e8 65 62 f2 fc 90 0f 0b 90 e9 6e ff ff ff [ 81.980736][ T167] RSP: 0018:ffffc90004287890 EFLAGS: 00010293 [ 81.986820][ T167] RAX: ffffffff84d5761d RBX: ffff88803495e800 RCX: ffff8880227ebe80 [ 81.994805][ T167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 82.002781][ T167] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 , child_tidptr=0x55557ba2c6d0) = 5636 [pid 5636] set_robust_list(0x55557ba2c6e0, 24 [pid 5623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5636] <... set_robust_list resumed>) = 0 [pid 5636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5636] setpgid(0, 0) = 0 [pid 5636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5636] write(3, "1000", 4) = 4 [pid 5636] close(3) = 0 executing program [pid 5636] write(1, "executing program\n", 18) = 18 [ 82.010754][ T167] R10: dffffc0000000000 R11: ffffed100692bd2b R12: 0000000000000001 [ 82.018723][ T167] R13: 0000000000000000 R14: ffff88803495e950 R15: dffffc0000000000 [ 82.026704][ T167] ? io_sq_thread_stop+0x17d/0x1a0 [ 82.031856][ T167] io_put_sq_data+0x8a/0x150 [ 82.036466][ T167] io_sq_thread_finish+0x1fd/0x240 [ 82.041585][ T167] io_ring_ctx_free+0x2d/0x5e0 [ 82.046353][ T167] io_ring_exit_work+0x5b1/0x640 [ 82.051297][ T167] ? __pfx_io_ring_exit_work+0x10/0x10 [ 82.056751][ T167] ? __pfx_io_tctx_exit_cb+0x10/0x10 [ 82.062058][ T167] ? rcu_is_watching+0x16/0xb0 [pid 5636] io_uring_setup(12635, {flags=IORING_SETUP_SQPOLL|IORING_SETUP_R_DISABLED|IORING_SETUP_SINGLE_ISSUER, sq_thread_cpu=0x4, sq_thread_idle=852, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|IORING_FEAT_REG_REG_RING|IORING_FEAT_RECVSEND_BUNDLE|IORING_FEAT_MIN_TIMEOUT|IORING_FEAT_RW_ATTR|IORING_FEAT_NO_IOWAIT, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352, user_addr=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40, user_addr=0}}) = 3 [pid 5636] mmap(NULL, 589888, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7fece0400000 [pid 5636] mmap(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7fece0300000 [pid 5636] exit_group(0) = ? [pid 5636] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5636, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 82.066837][ T167] ? process_scheduled_works+0x97a/0x1630 [ 82.072578][ T167] process_scheduled_works+0xc3d/0x1630 [ 82.078165][ T167] ? __pfx_process_scheduled_works+0x10/0x10 [ 82.084170][ T167] ? assign_work+0x3cf/0x5d0 [ 82.088772][ T167] worker_thread+0xa47/0xfb0 [ 82.093378][ T167] ? __kthread_parkme+0x71/0x1f0 [ 82.098333][ T167] kthread+0x38b/0x470 [ 82.102412][ T167] ? __pfx_worker_thread+0x10/0x10 [ 82.107636][ T167] ? __pfx_kthread+0x10/0x10 [ 82.112229][ T167] ret_from_fork+0x514/0xb70 restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5638 attached , child_tidptr=0x55557ba2c6d0) = 5638 [ 82.116834][ T167] ? __pfx_ret_from_fork+0x10/0x10 [ 82.121952][ T167] ? __switch_to+0xc78/0x1410 [ 82.126642][ T167] ? __pfx_kthread+0x10/0x10 [ 82.131236][ T167] ret_from_fork_asm+0x1a/0x30 [ 82.136021][ T167] [ 82.139165][ T167] Kernel Offset: disabled [ 82.143478][ T167] Rebooting in 86400 seconds..