ci-upstream-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-kasan-gce/syz-executor3595809054 <...> Warning: Permanently added '10.128.1.29' (ED25519) to the list of known hosts. execve("ci-upstream-kasan-gce/syz-executor3595809054", ["ci-upstream-kasan-gce/syz-executor3595809054"], 0x7ffdd3108120 /* 10 vars */) = 0 brk(NULL) = 0x55558d6a4000 brk(0x55558d6a4d80) = 0x55558d6a4d80 arch_prctl(ARCH_SET_FS, 0x55558d6a4400) = 0 set_tid_address(0x55558d6a46d0) = 5645 set_robust_list(0x55558d6a46e0, 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/ci-upstream-kasan-gce/syz-executor3595809054", 4096) = 50 getrandom("\x11\xfb\x3a\x2b\x24\x81\xa9\x0c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558d6a4d80 brk(0x55558d6c5d80) = 0x55558d6c5d80 brk(0x55558d6c6000) = 0x55558d6c6000 mprotect(0x7f1e61ddb000, 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|SIGCHLDci-upstream-kasan-gce/strace-static-x86_64: Process 5646 attached , child_tidptr=0x55558d6a46d0) = 5646 [pid 5645] rt_sigprocmask(SIG_SETMASK, [] [pid 5646] set_robust_list(0x55558d6a46e0, 24 [pid 5645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5646] <... set_robust_list resumed>) = 0 [pid 5646] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5646] setpgid(0, 0) = 0 [pid 5646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5646] write(3, "1000", 4) = 4 [pid 5646] close(3) = 0 [pid 5646] write(1, "executing program\n", 18) = 18 executing program [pid 5646] io_uring_setup(12743, {flags=IORING_SETUP_SQPOLL, sq_thread_cpu=0, sq_thread_idle=4294967292, 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 5646] mmap(NULL, 589888, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f1e61c96000 [pid 5646] mmap(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f1e61b96000 [pid 5646] exit_group(0) = ? [pid 5646] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5646, 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|SIGCHLDci-upstream-kasan-gce/strace-static-x86_64: Process 5648 attached , child_tidptr=0x55558d6a46d0) = 5648 [pid 5645] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5648] set_robust_list(0x55558d6a46e0, 24) = 0 [pid 5648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5648] setpgid(0, 0) = 0 [pid 5648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5648] write(3, "1000", 4) = 4 [pid 5648] close(3) = 0 [pid 5648] write(1, "executing program\n", 18) = 18 executing program [pid 5648] io_uring_setup(12743, {flags=IORING_SETUP_SQPOLL, sq_thread_cpu=0, sq_thread_idle=4294967292, 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 5648] mmap(NULL, 589888, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f1e61c96000 [pid 5648] mmap(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f1e61b96000 [pid 5648] exit_group(0) = ? [pid 5648] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5648, 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|SIGCHLDci-upstream-kasan-gce/strace-static-x86_64: Process 5650 attached , child_tidptr=0x55558d6a46d0) = 5650 [pid 5645] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5650] set_robust_list(0x55558d6a46e0, 24) = 0 [ 76.309468][ T155] ------------[ cut here ]------------ [ 76.309480][ T155] test_bit(IO_SQ_THREAD_SHOULD_STOP, &sqd->state) [ 76.309490][ T155] WARNING: io_uring/sqpoll.c:88 at io_sq_thread_stop+0x17e/0x1a0, CPU#1: kworker/u8:7/155 [ 76.332991][ T155] Modules linked in: [ 76.337451][ T155] CPU: 1 UID: 0 PID: 155 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT(full) [ 76.347290][ T155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [pid 5650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5650] setpgid(0, 0) = 0 [pid 5650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5650] write(3, "1000", 4) = 4 [pid 5650] close(3) = 0 executing program [pid 5650] write(1, "executing program\n", 18) = 18 [pid 5650] io_uring_setup(12743, {flags=IORING_SETUP_SQPOLL, sq_thread_cpu=0, sq_thread_idle=4294967292, 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 [ 76.357478][ T155] Workqueue: iou_exit io_ring_exit_work [ 76.363046][ T155] RIP: 0010:io_sq_thread_stop+0x17e/0x1a0 [ 76.368827][ T155] Code: c6 05 89 64 c1 0c 01 48 c7 c7 20 3c 8c 8c be 26 00 00 00 48 c7 c2 60 3c 8c 8c e8 0d 9b be fc e9 4f ff ff ff e8 d3 48 e3 fc 90 <0f> 0b 90 e9 e1 fe ff ff e8 c5 48 e3 fc 90 0f 0b 90 e9 6e ff ff ff [ 76.388563][ T155] RSP: 0018:ffffc90002eff890 EFLAGS: 00010293 [ 76.394633][ T155] RAX: ffffffff84e5c75d RBX: ffff88803641c400 RCX: ffff8880217a8000 [pid 5650] mmap(NULL, 589888, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f1e61c96000 [pid 5650] mmap(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f1e61b96000 [pid 5650] exit_group(0) = ? [pid 5650] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 76.403135][ T155] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 76.411163][ T155] RBP: 0000000000000000 R08: ffff88803641c51f R09: 1ffff11006c838a3 [ 76.419251][ T155] R10: dffffc0000000000 R11: ffffed1006c838a4 R12: 0000000000000001 [ 76.427390][ T155] R13: 0000000000000000 R14: ffff88803641c518 R15: dffffc0000000000 [ 76.435546][ T155] FS: 0000000000000000(0000) GS:ffff888123511000(0000) knlGS:0000000000000000 [ 76.444755][ T155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.451399][ T155] CR2: 00007f1e61daf77c CR3: 00000000738c4000 CR4: 00000000003526f0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce/strace-static-x86_64: Process 5652 attached [pid 5652] set_robust_list(0x55558d6a46e0, 24) = 0 [pid 5652] rt_sigprocmask(SIG_SETMASK, [] [pid 5645] <... clone resumed>, child_tidptr=0x55558d6a46d0) = 5652 [pid 5652] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5645] rt_sigprocmask(SIG_SETMASK, [] [pid 5652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5652] <... prctl resumed>) = 0 [pid 5652] setpgid(0, 0) = 0 [pid 5652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5652] write(3, "1000", 4) = 4 [pid 5652] close(3) = 0 executing program [pid 5652] write(1, "executing program\n", 18) = 18 [ 76.459636][ T155] Call Trace: [ 76.462972][ T155] [ 76.465910][ T155] io_put_sq_data+0x8a/0x150 [ 76.470577][ T155] io_sq_thread_finish+0x1fd/0x240 [ 76.475747][ T155] io_ring_ctx_free+0x2d/0x5f0 [ 76.480565][ T155] io_ring_exit_work+0x5b4/0x650 [ 76.485526][ T155] ? __pfx_io_ring_exit_work+0x10/0x10 [ 76.491157][ T155] ? __pfx_io_tctx_exit_cb+0x10/0x10 [ 76.496464][ T155] ? rcu_is_watching+0x16/0xb0 [ 76.501286][ T155] ? process_scheduled_works+0x97a/0x1630 [pid 5652] io_uring_setup(12743, {flags=IORING_SETUP_SQPOLL, sq_thread_cpu=0, sq_thread_idle=4294967292, 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 5652] mmap(NULL, 589888, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f1e61c96000 [pid 5652] mmap(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f1e61b96000 [pid 5652] exit_group(0) = ? [pid 5652] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5652, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [ 76.507042][ T155] process_scheduled_works+0xc3d/0x1630 [ 76.512669][ T155] ? __pfx_process_scheduled_works+0x10/0x10 [ 76.518695][ T155] ? assign_work+0x3cf/0x5d0 [ 76.523300][ T155] worker_thread+0xa47/0xfb0 [ 76.528018][ T155] ? __kthread_parkme+0x71/0x1f0 [ 76.532972][ T155] kthread+0x38b/0x480 [ 76.537049][ T155] ? __pfx_worker_thread+0x10/0x10 [ 76.542250][ T155] ? __pfx_kthread+0x10/0x10 [ 76.546866][ T155] ret_from_fork+0x514/0xb70 [ 76.551622][ T155] ? __pfx_ret_from_fork+0x10/0x10 restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce/strace-static-x86_64: Process 5654 attached , child_tidptr=0x55558d6a46d0) = 5654 [pid 5645] rt_sigprocmask(SIG_SETMASK, [] [pid 5654] set_robust_list(0x55558d6a46e0, 24 [pid 5645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5654] <... set_robust_list resumed>) = 0 [pid 5654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5654] setpgid(0, 0) = 0 [ 76.556770][ T155] ? __switch_to+0xc78/0x1410 [ 76.561812][ T155] ? __pfx_kthread+0x10/0x10 [ 76.566433][ T155] ret_from_fork_asm+0x1a/0x30 [ 76.571272][ T155] [ 76.574361][ T155] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 76.581643][ T155] CPU: 1 UID: 0 PID: 155 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT(full) [ 76.591028][ T155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 76.601088][ T155] Workqueue: iou_exit io_ring_exit_work [ 76.606660][ T155] Call Trace: executing program [pid 5654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5654] write(3, "1000", 4) = 4 [pid 5654] close(3) = 0 [pid 5654] write(1, "executing program\n", 18) = 18 [pid 5654] io_uring_setup(12743, {flags=IORING_SETUP_SQPOLL, sq_thread_cpu=0, sq_thread_idle=4294967292, 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 5654] mmap(NULL, 589888, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f1e61c96000 [pid 5654] mmap(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f1e61b96000 [pid 5654] exit_group(0) = ? [ 76.609952][ T155] [ 76.612892][ T155] vpanic+0x26f/0x710 [ 76.616888][ T155] panic+0xc5/0xd0 [ 76.620610][ T155] ? __pfx_panic+0x10/0x10 [ 76.625118][ T155] ? ret_from_fork_asm+0x1a/0x30 [ 76.630081][ T155] __warn+0x315/0x4c0 [ 76.634078][ T155] ? io_sq_thread_stop+0x17e/0x1a0 [ 76.639293][ T155] ? io_sq_thread_stop+0x17e/0x1a0 [ 76.644499][ T155] __report_bug+0x276/0x570 [ 76.649013][ T155] ? io_sq_thread_stop+0x17e/0x1a0 [ 76.654147][ T155] ? __pfx___report_bug+0x10/0x10 [pid 5654] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5654, 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|SIGCHLD, child_tidptr=0x55558d6a46d0) = 5656 rt_sigprocmask(SIG_SETMASK, []ci-upstream-kasan-gce/strace-static-x86_64: Process 5656 attached , NULL, 8) = 0 [pid 5656] set_robust_list(0x55558d6a46e0, 24) = 0 [pid 5656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5656] setpgid(0, 0) = 0 [pid 5656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5656] write(3, "1000", 4) = 4 [pid 5656] close(3) = 0 executing program [ 76.659303][ T155] ? rcu_is_watching+0x16/0xb0 [ 76.664101][ T155] ? trace_contention_end+0x3d/0x140 [ 76.669417][ T155] ? io_sq_thread_stop+0x17e/0x1a0 [ 76.674645][ T155] report_bug+0x16b/0x220 [ 76.678993][ T155] ? io_sq_thread_stop+0x17e/0x1a0 [ 76.684110][ T155] ? io_sq_thread_stop+0x180/0x1a0 [ 76.689233][ T155] handle_bug+0x9c/0x200 [ 76.693510][ T155] exc_invalid_op+0x1a/0x50 [ 76.698218][ T155] asm_exc_invalid_op+0x1a/0x20 [ 76.703091][ T155] RIP: 0010:io_sq_thread_stop+0x17e/0x1a0 [pid 5656] write(1, "executing program\n", 18) = 18 [pid 5656] io_uring_setup(12743, {flags=IORING_SETUP_SQPOLL, sq_thread_cpu=0, sq_thread_idle=4294967292, 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 5656] mmap(NULL, 589888, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f1e61c96000 [pid 5656] mmap(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f1e61b96000 [pid 5656] exit_group(0) = ? [ 76.708848][ T155] Code: c6 05 89 64 c1 0c 01 48 c7 c7 20 3c 8c 8c be 26 00 00 00 48 c7 c2 60 3c 8c 8c e8 0d 9b be fc e9 4f ff ff ff e8 d3 48 e3 fc 90 <0f> 0b 90 e9 e1 fe ff ff e8 c5 48 e3 fc 90 0f 0b 90 e9 6e ff ff ff [ 76.728860][ T155] RSP: 0018:ffffc90002eff890 EFLAGS: 00010293 [ 76.735032][ T155] RAX: ffffffff84e5c75d RBX: ffff88803641c400 RCX: ffff8880217a8000 [ 76.743024][ T155] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 76.751018][ T155] RBP: 0000000000000000 R08: ffff88803641c51f R09: 1ffff11006c838a3 [pid 5656] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5656, 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|SIGCHLDci-upstream-kasan-gce/strace-static-x86_64: Process 5658 attached , child_tidptr=0x55558d6a46d0) = 5658 [pid 5658] set_robust_list(0x55558d6a46e0, 24 [pid 5645] rt_sigprocmask(SIG_SETMASK, [] [pid 5658] <... set_robust_list resumed>) = 0 [pid 5645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5658] setpgid(0, 0) = 0 [pid 5658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5658] write(3, "1000", 4) = 4 [pid 5658] close(3) = 0 executing program [pid 5658] write(1, "executing program\n", 18) = 18 [pid 5658] io_uring_setup(12743, {flags=IORING_SETUP_SQPOLL, sq_thread_cpu=0, sq_thread_idle=4294967292, 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 [ 76.759077][ T155] R10: dffffc0000000000 R11: ffffed1006c838a4 R12: 0000000000000001 [ 76.767238][ T155] R13: 0000000000000000 R14: ffff88803641c518 R15: dffffc0000000000 [ 76.775469][ T155] ? io_sq_thread_stop+0x17d/0x1a0 [ 76.780726][ T155] io_put_sq_data+0x8a/0x150 [ 76.785355][ T155] io_sq_thread_finish+0x1fd/0x240 [ 76.790590][ T155] io_ring_ctx_free+0x2d/0x5f0 [ 76.795409][ T155] io_ring_exit_work+0x5b4/0x650 [ 76.800395][ T155] ? __pfx_io_ring_exit_work+0x10/0x10 [ 76.805993][ T155] ? __pfx_io_tctx_exit_cb+0x10/0x10 [pid 5658] mmap(NULL, 589888, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f1e61c96000 [pid 5658] mmap(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f1e61b96000 [pid 5658] exit_group(0) = ? [ 76.811396][ T155] ? rcu_is_watching+0x16/0xb0 [ 76.816199][ T155] ? process_scheduled_works+0x97a/0x1630 [ 76.822308][ T155] process_scheduled_works+0xc3d/0x1630 [ 76.827908][ T155] ? __pfx_process_scheduled_works+0x10/0x10 [ 76.833924][ T155] ? assign_work+0x3cf/0x5d0 [ 76.838531][ T155] worker_thread+0xa47/0xfb0 [ 76.843752][ T155] ? __kthread_parkme+0x71/0x1f0 [ 76.848711][ T155] kthread+0x38b/0x480 [ 76.852785][ T155] ? __pfx_worker_thread+0x10/0x10 [pid 5658] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5658, 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 [ 76.857909][ T155] ? __pfx_kthread+0x10/0x10 [ 76.862779][ T155] ret_from_fork+0x514/0xb70 [ 76.867376][ T155] ? __pfx_ret_from_fork+0x10/0x10 [ 76.872501][ T155] ? __switch_to+0xc78/0x1410 [ 76.877207][ T155] ? __pfx_kthread+0x10/0x10 [ 76.881837][ T155] ret_from_fork_asm+0x1a/0x30 [ 76.886722][ T155] [ 76.890003][ T155] Kernel Offset: disabled [ 76.894337][ T155] Rebooting in 86400 seconds..