ci2-upstream-fs/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-upstream-fs/syz-executor1652766378 <...> Warning: Permanently added '10.128.0.123' (ED25519) to the list of known hosts. execve("ci2-upstream-fs/syz-executor1652766378", ["ci2-upstream-fs/syz-executor1652766378"], 0x7ffd8e130190 /* 10 vars */) = 0 brk(NULL) = 0x555573409000 brk(0x555573409d80) = 0x555573409d80 arch_prctl(ARCH_SET_FS, 0x555573409400) = 0 set_tid_address(0x5555734096d0) = 5619 set_robust_list(0x5555734096e0, 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-executor1652766378", 4096) = 44 getrandom("\x2e\xfc\x3e\xf1\x1e\x64\x3d\xdc", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555573409d80 brk(0x55557342ad80) = 0x55557342ad80 brk(0x55557342b000) = 0x55557342b000 mprotect(0x7f36594d5000, 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 5620 attached , child_tidptr=0x5555734096d0) = 5620 [pid 5620] set_robust_list(0x5555734096e0, 24) = 0 [pid 5619] rt_sigprocmask(SIG_SETMASK, [] [pid 5620] rt_sigprocmask(SIG_SETMASK, [] [pid 5619] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5620] setpgid(0, 0) = 0 [pid 5620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5620] write(3, "1000", 4) = 4 [pid 5620] close(3) = 0 [pid 5620] write(1, "executing program\n", 18) = 18 executing program [pid 5620] io_uring_setup(3837, {flags=IORING_SETUP_SQPOLL, sq_thread_cpu=0x3, sq_thread_idle=85, sq_entries=4096, cq_entries=8192, 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=131136, 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 5620] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f36593fc000 [pid 5620] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f36593bc000 [pid 5620] exit_group(0) = ? [pid 5620] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5620, 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 5622 attached [pid 5622] set_robust_list(0x5555734096e0, 24 [pid 5619] <... clone resumed>, child_tidptr=0x5555734096d0) = 5622 [pid 5622] <... set_robust_list resumed>) = 0 [pid 5619] rt_sigprocmask(SIG_SETMASK, [] [pid 5622] rt_sigprocmask(SIG_SETMASK, [] [pid 5619] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5622] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5622] setpgid(0, 0) = 0 [pid 5622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5622] write(3, "1000", 4) = 4 [pid 5622] close(3) = 0 [pid 5622] write(1, "executing program\n", 18) = 18 executing program [pid 5622] io_uring_setup(3837, {flags=IORING_SETUP_SQPOLL, sq_thread_cpu=0x3, sq_thread_idle=85, sq_entries=4096, cq_entries=8192, 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=131136, 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 5622] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f36593fc000 [pid 5622] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f36593bc000 [pid 5622] exit_group(0) = ? [pid 5622] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5622, 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 5624 attached [pid 5624] set_robust_list(0x5555734096e0, 24 [pid 5619] <... clone resumed>, child_tidptr=0x5555734096d0) = 5624 [pid 5624] <... set_robust_list resumed>) = 0 [pid 5619] rt_sigprocmask(SIG_SETMASK, [] [pid 5624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5624] setpgid(0, 0) = 0 [pid 5619] <... rt_sigprocmask resumed>, NULL, 8) = 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(3837, {flags=IORING_SETUP_SQPOLL, sq_thread_cpu=0x3, sq_thread_idle=85, sq_entries=4096, cq_entries=8192, 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=131136, 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, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f36593fc000 [pid 5624] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f36593bc000 [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 */} --- [ 83.084184][ T58] ------------[ cut here ]------------ [ 83.084201][ T58] test_bit(IO_SQ_THREAD_SHOULD_STOP, &sqd->state) [ 83.084209][ T58] WARNING: io_uring/sqpoll.c:88 at io_sq_thread_stop+0x17e/0x1a0, CPU#1: kworker/u8:3/58 [ 83.106073][ T58] Modules linked in: [ 83.109991][ T58] CPU: 1 UID: 0 PID: 58 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 83.119848][ T58] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 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 [pid 5626] set_robust_list(0x5555734096e0, 24 [pid 5619] <... clone resumed>, child_tidptr=0x5555734096d0) = 5626 [pid 5626] <... set_robust_list resumed>) = 0 [pid 5619] rt_sigprocmask(SIG_SETMASK, [] [pid 5626] rt_sigprocmask(SIG_SETMASK, [] [pid 5619] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5626] <... rt_sigprocmask resumed>, 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 [ 83.129953][ T58] Workqueue: iou_exit io_ring_exit_work [ 83.135576][ T58] RIP: 0010:io_sq_thread_stop+0x17e/0x1a0 [ 83.141368][ T58] Code: c6 05 cb df e9 0b 01 48 c7 c7 a0 da ea 8b be 26 00 00 00 48 c7 c2 e0 da ea 8b e8 dd 05 ce fc e9 4f ff ff ff e8 e3 d8 f2 fc 90 <0f> 0b 90 e9 e1 fe ff ff e8 d5 d8 f2 fc 90 0f 0b 90 e9 6e ff ff ff [ 83.161066][ T58] RSP: 0018:ffffc9000124f890 EFLAGS: 00010293 [ 83.167236][ T58] RAX: ffffffff84d5061d RBX: ffff88802ae0b000 RCX: ffff8880216d0000 [ 83.175342][ T58] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [pid 5626] io_uring_setup(3837, {flags=IORING_SETUP_SQPOLL, sq_thread_cpu=0x3, sq_thread_idle=85, sq_entries=4096, cq_entries=8192, 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=131136, 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, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f36593fc000 [pid 5626] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f36593bc000 [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} --- [ 83.183384][ T58] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 83.191390][ T58] R10: dffffc0000000000 R11: ffffed10055c162b R12: 0000000000000001 [ 83.199360][ T58] R13: 0000000000000000 R14: ffff88802ae0b150 R15: dffffc0000000000 [ 83.207541][ T58] FS: 0000000000000000(0000) GS:ffff888124818000(0000) knlGS:0000000000000000 [ 83.216550][ T58] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.223280][ T58] CR2: 0000555573409340 CR3: 000000000f1b0000 CR4: 00000000003526f0 [ 83.231308][ T58] Call Trace: 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 [ 83.234592][ T58] [ 83.237517][ T58] io_put_sq_data+0x8a/0x150 [ 83.242151][ T58] io_sq_thread_finish+0x1fd/0x240 [ 83.247264][ T58] io_ring_ctx_free+0x2d/0x5e0 [ 83.252070][ T58] io_ring_exit_work+0x5b1/0x640 [ 83.257007][ T58] ? irqentry_exit+0x2a0/0x9b0 [ 83.261795][ T58] ? __pfx_io_ring_exit_work+0x10/0x10 [ 83.267261][ T58] ? __pfx_io_tctx_exit_cb+0x10/0x10 [ 83.272655][ T58] ? rcu_is_watching+0x16/0xb0 [ 83.277600][ T58] ? process_scheduled_works+0x97a/0x1630 , child_tidptr=0x5555734096d0) = 5628 [pid 5619] rt_sigprocmask(SIG_SETMASK, [] [pid 5628] set_robust_list(0x5555734096e0, 24 [pid 5619] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5628] <... set_robust_list resumed>) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [], 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 executing program [ 83.283455][ T58] process_scheduled_works+0xc3d/0x1630 [ 83.289163][ T58] ? __pfx_process_scheduled_works+0x10/0x10 [ 83.295342][ T58] ? assign_work+0x3cf/0x5d0 [ 83.299946][ T58] worker_thread+0xa47/0xfb0 [ 83.304594][ T58] ? __kthread_parkme+0x71/0x1f0 [ 83.309593][ T58] kthread+0x38b/0x470 [ 83.313745][ T58] ? __pfx_worker_thread+0x10/0x10 [ 83.318858][ T58] ? __pfx_kthread+0x10/0x10 [ 83.323773][ T58] ret_from_fork+0x514/0xb70 [ 83.328390][ T58] ? __pfx_ret_from_fork+0x10/0x10 [pid 5628] write(1, "executing program\n", 18) = 18 [pid 5628] io_uring_setup(3837, {flags=IORING_SETUP_SQPOLL, sq_thread_cpu=0x3, sq_thread_idle=85, sq_entries=4096, cq_entries=8192, 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=131136, 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, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f36593fc000 [pid 5628] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f36593bc000 [pid 5628] exit_group(0) = ? [pid 5628] +++ exited with 0 +++ [ 83.333720][ T58] ? __switch_to+0xc78/0x1410 [ 83.338415][ T58] ? __pfx_kthread+0x10/0x10 [ 83.343053][ T58] ret_from_fork_asm+0x1a/0x30 [ 83.347818][ T58] [ 83.350875][ T58] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 83.358175][ T58] CPU: 1 UID: 0 PID: 58 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 83.367970][ T58] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 83.378064][ T58] Workqueue: iou_exit io_ring_exit_work --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5628, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555734096d0) = 5630 [pid 5630] set_robust_list(0x5555734096e0, 24 [pid 5619] rt_sigprocmask(SIG_SETMASK, [] [pid 5630] <... set_robust_list resumed>) = 0 [pid 5619] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 83.383633][ T58] Call Trace: [ 83.386922][ T58] [ 83.389873][ T58] vpanic+0x26f/0x710 [ 83.393855][ T58] panic+0xc5/0xd0 [ 83.397571][ T58] ? __pfx_panic+0x10/0x10 [ 83.402004][ T58] ? ret_from_fork_asm+0x1a/0x30 [ 83.406938][ T58] __warn+0x315/0x4c0 [ 83.410925][ T58] ? io_sq_thread_stop+0x17e/0x1a0 [ 83.416305][ T58] ? io_sq_thread_stop+0x17e/0x1a0 [ 83.421428][ T58] __report_bug+0x276/0x570 [ 83.425957][ T58] ? io_sq_thread_stop+0x17e/0x1a0 [pid 5630] setpgid(0, 0) = 0 [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 [pid 5630] write(1, "executing program\n", 18) = 18 executing program [ 83.431094][ T58] ? __pfx___report_bug+0x10/0x10 [ 83.436119][ T58] ? irqentry_exit+0x2a0/0x9b0 [ 83.440905][ T58] ? trace_irq_disable+0x3b/0x140 [ 83.445955][ T58] ? io_sq_thread_stop+0x180/0x1a0 [ 83.451071][ T58] ? io_sq_thread_stop+0x17e/0x1a0 [ 83.456206][ T58] ? io_sq_thread_stop+0x17e/0x1a0 [ 83.461406][ T58] report_bug+0x16b/0x220 [ 83.465735][ T58] ? io_sq_thread_stop+0x17e/0x1a0 [ 83.470843][ T58] ? io_sq_thread_stop+0x180/0x1a0 [ 83.475948][ T58] handle_bug+0x9c/0x200 [ 83.480220][ T58] exc_invalid_op+0x1a/0x50 [pid 5630] io_uring_setup(3837, {flags=IORING_SETUP_SQPOLL, sq_thread_cpu=0x3, sq_thread_idle=85, sq_entries=4096, cq_entries=8192, 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=131136, 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, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f36593fc000 [pid 5630] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f36593bc000 [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=0} --- [ 83.484722][ T58] asm_exc_invalid_op+0x1a/0x20 [ 83.489563][ T58] RIP: 0010:io_sq_thread_stop+0x17e/0x1a0 [ 83.495278][ T58] Code: c6 05 cb df e9 0b 01 48 c7 c7 a0 da ea 8b be 26 00 00 00 48 c7 c2 e0 da ea 8b e8 dd 05 ce fc e9 4f ff ff ff e8 e3 d8 f2 fc 90 <0f> 0b 90 e9 e1 fe ff ff e8 d5 d8 f2 fc 90 0f 0b 90 e9 6e ff ff ff [ 83.514879][ T58] RSP: 0018:ffffc9000124f890 EFLAGS: 00010293 [ 83.520968][ T58] RAX: ffffffff84d5061d RBX: ffff88802ae0b000 RCX: ffff8880216d0000 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 , child_tidptr=0x5555734096d0) = 5632 [pid 5632] set_robust_list(0x5555734096e0, 24 [pid 5619] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5632] <... set_robust_list resumed>) = 0 [ 83.528952][ T58] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 83.536935][ T58] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 83.544902][ T58] R10: dffffc0000000000 R11: ffffed10055c162b R12: 0000000000000001 [ 83.552870][ T58] R13: 0000000000000000 R14: ffff88802ae0b150 R15: dffffc0000000000 [ 83.560852][ T58] ? io_sq_thread_stop+0x17d/0x1a0 [ 83.565990][ T58] io_put_sq_data+0x8a/0x150 [ 83.570574][ T58] io_sq_thread_finish+0x1fd/0x240 [ 83.575682][ T58] io_ring_ctx_free+0x2d/0x5e0 [ 83.580465][ T58] io_ring_exit_work+0x5b1/0x640 [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 [pid 5632] write(1, "executing program\n", 18) = 18 executing program [pid 5632] io_uring_setup(3837, {flags=IORING_SETUP_SQPOLL, sq_thread_cpu=0x3, sq_thread_idle=85, sq_entries=4096, cq_entries=8192, 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=131136, 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 [ 83.585503][ T58] ? irqentry_exit+0x2a0/0x9b0 [ 83.590378][ T58] ? __pfx_io_ring_exit_work+0x10/0x10 [ 83.595874][ T58] ? __pfx_io_tctx_exit_cb+0x10/0x10 [ 83.601260][ T58] ? rcu_is_watching+0x16/0xb0 [ 83.606082][ T58] ? process_scheduled_works+0x97a/0x1630 [ 83.611890][ T58] process_scheduled_works+0xc3d/0x1630 [ 83.617476][ T58] ? __pfx_process_scheduled_works+0x10/0x10 [ 83.623481][ T58] ? assign_work+0x3cf/0x5d0 [ 83.628090][ T58] worker_thread+0xa47/0xfb0 [pid 5632] mmap(NULL, 147520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f36593fc000 [pid 5632] mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f36593bc000 [pid 5632] exit_group(0) = ? [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=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 83.632745][ T58] ? __kthread_parkme+0x71/0x1f0 [ 83.637711][ T58] kthread+0x38b/0x470 [ 83.641786][ T58] ? __pfx_worker_thread+0x10/0x10 [ 83.646894][ T58] ? __pfx_kthread+0x10/0x10 [ 83.651505][ T58] ret_from_fork+0x514/0xb70 [ 83.656118][ T58] ? __pfx_ret_from_fork+0x10/0x10 [ 83.661238][ T58] ? __switch_to+0xc78/0x1410 [ 83.665945][ T58] ? __pfx_kthread+0x10/0x10 [ 83.670544][ T58] ret_from_fork_asm+0x1a/0x30 [ 83.675323][ T58] [ 83.678704][ T58] Kernel Offset: disabled [ 83.683043][ T58] Rebooting in 86400 seconds..