./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3442305450 <...> Warning: Permanently added '10.128.1.79' (ED25519) to the list of known hosts. execve("./syz-executor3442305450", ["./syz-executor3442305450"], 0x7ffff4e6f300 /* 10 vars */) = 0 brk(NULL) = 0x55556a238000 brk(0x55556a238d00) = 0x55556a238d00 arch_prctl(ARCH_SET_FS, 0x55556a238380) = 0 set_tid_address(0x55556a238650) = 5091 set_robust_list(0x55556a238660, 24) = 0 rseq(0x55556a238ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3442305450", 4096) = 28 getrandom("\x71\x77\x0c\x93\x68\x46\xbb\xd0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556a238d00 brk(0x55556a259d00) = 0x55556a259d00 brk(0x55556a25a000) = 0x55556a25a000 mprotect(0x7ffa1bff5000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a238650) = 5092 ./strace-static-x86_64: Process 5092 attached [pid 5092] set_robust_list(0x55556a238660, 24) = 0 [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5092] setpgid(0, 0) = 0 [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "1000", 4) = 4 [pid 5092] close(3) = 0 [pid 5092] write(1, "executing program\n", 18executing program ) = 18 [pid 5092] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 5092] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\xf0\x00\x00\x00\x30\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xdc\x00\x01\x00\x6c\x00\x01\x00\x0b\x00\x01\x00\x70\x6f\x6c\x69\x63\x65\x00\x00\x40\x00\x02\x80\x3c\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x05\x00\x00\x00"..., iov_len=240}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5091] kill(-5092, SIGKILL) = 0 [pid 5091] kill(5092, SIGKILL) = 0 [pid 5091] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5091] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5091] getdents64(3, 0x55556a2396f0 /* 2 entries */, 32768) = 48 [pid 5091] getdents64(3, 0x55556a2396f0 /* 0 entries */, 32768) = 0 [pid 5091] close(3) = 0 [ 76.846752][ T1168] cfg80211: failed to load regulatory.db [ 286.764412][ T30] INFO: task kworker/1:0:25 blocked for more than 143 seconds. [ 286.772168][ T30] Not tainted 6.9.0-syzkaller-08557-g30a92c9e3d6b #0 [ 286.779447][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.788149][ T30] task:kworker/1:0 state:D stack:25008 pid:25 tgid:25 ppid:2 flags:0x00004000 [ 286.798379][ T30] Workqueue: events_power_efficient reg_check_chans_work [ 286.805584][ T30] Call Trace: [ 286.808874][ T30] [ 286.811826][ T30] __schedule+0x17e8/0x4a50 [ 286.816478][ T30] ? schedule+0x90/0x320 [ 286.820752][ T30] ? __pfx___schedule+0x10/0x10 [ 286.825662][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.831712][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.836826][ T30] ? kick_pool+0x1bd/0x620 [ 286.841281][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.846591][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 286.851864][ T30] ? schedule+0x90/0x320 [ 286.856162][ T30] schedule+0x14b/0x320 [ 286.860331][ T30] schedule_preempt_disabled+0x13/0x30 [ 286.865851][ T30] __mutex_lock+0x6a4/0xd70 [ 286.870375][ T30] ? __mutex_lock+0x527/0xd70 [ 286.875111][ T30] ? reg_check_chans_work+0x91/0xea0 [ 286.880419][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 286.885528][ T30] reg_check_chans_work+0x91/0xea0 [ 286.890665][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 286.895789][ T30] ? __pfx_reg_check_chans_work+0x10/0x10 [ 286.901550][ T30] ? process_scheduled_works+0x945/0x1830 [ 286.907329][ T30] process_scheduled_works+0xa2c/0x1830 [ 286.912977][ T30] ? __pfx_process_scheduled_works+0x10/0x10 [ 286.919043][ T30] ? assign_work+0x364/0x3d0 [ 286.923661][ T30] worker_thread+0x86d/0xd70 [ 286.928375][ T30] ? __kthread_parkme+0x169/0x1d0 [ 286.933426][ T30] ? __pfx_worker_thread+0x10/0x10 [ 286.938960][ T30] kthread+0x2f0/0x390 [ 286.943143][ T30] ? __pfx_worker_thread+0x10/0x10 [ 286.948399][ T30] ? __pfx_kthread+0x10/0x10 [ 286.953008][ T30] ret_from_fork+0x4b/0x80 [ 286.957541][ T30] ? __pfx_kthread+0x10/0x10 [ 286.962150][ T30] ret_from_fork_asm+0x1a/0x30 [ 286.967021][ T30] [ 286.970094][ T30] INFO: task kworker/1:2:1168 blocked for more than 143 seconds. [ 286.977849][ T30] Not tainted 6.9.0-syzkaller-08557-g30a92c9e3d6b #0 [ 286.985104][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.993781][ T30] task:kworker/1:2 state:D stack:23248 pid:1168 tgid:1168 ppid:2 flags:0x00004000 [ 287.004012][ T30] Workqueue: events request_firmware_work_func [ 287.010323][ T30] Call Trace: [ 287.013606][ T30] [ 287.016612][ T30] __schedule+0x17e8/0x4a50 [ 287.021166][ T30] ? __pfx___schedule+0x10/0x10 [ 287.026153][ T30] ? __pfx_lock_release+0x10/0x10 [ 287.031194][ T30] ? __mutex_trylock_common+0x92/0x2e0 [ 287.036799][ T30] ? kthread_data+0x52/0xd0 [ 287.041317][ T30] ? schedule+0x90/0x320 [ 287.046059][ T30] ? wq_worker_sleeping+0x66/0x240 [ 287.051192][ T30] ? schedule+0x90/0x320 [ 287.055494][ T30] schedule+0x14b/0x320 [ 287.059669][ T30] schedule_preempt_disabled+0x13/0x30 [ 287.065189][ T30] __mutex_lock+0x6a4/0xd70 [ 287.069709][ T30] ? __mutex_lock+0x527/0xd70 [ 287.074462][ T30] ? regdb_fw_cb+0x82/0x1c0 [ 287.078988][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 287.084040][ T30] ? __pfx_regdb_fw_cb+0x10/0x10 [ 287.089037][ T30] regdb_fw_cb+0x82/0x1c0 [ 287.093389][ T30] ? __pfx_regdb_fw_cb+0x10/0x10 [ 287.098477][ T30] request_firmware_work_func+0x1a4/0x280 [ 287.104227][ T30] ? __pfx_request_firmware_work_func+0x10/0x10 [ 287.110556][ T30] ? process_scheduled_works+0x945/0x1830 [ 287.116318][ T30] process_scheduled_works+0xa2c/0x1830 [ 287.122077][ T30] ? __pfx_process_scheduled_works+0x10/0x10 [ 287.128116][ T30] ? assign_work+0x364/0x3d0 [ 287.132724][ T30] worker_thread+0x86d/0xd70 [ 287.137864][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.143793][ T30] ? __kthread_parkme+0x169/0x1d0 [ 287.149238][ T30] ? __pfx_worker_thread+0x10/0x10 [ 287.155020][ T30] kthread+0x2f0/0x390 [ 287.159111][ T30] ? __pfx_worker_thread+0x10/0x10 [ 287.164554][ T30] ? __pfx_kthread+0x10/0x10 [ 287.169166][ T30] ret_from_fork+0x4b/0x80 [ 287.173593][ T30] ? __pfx_kthread+0x10/0x10 [ 287.178502][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.183314][ T30] [ 287.186612][ T30] [ 287.186612][ T30] Showing all locks held in the system: [ 287.194571][ T30] 3 locks held by kworker/1:0/25: [ 287.199604][ T30] #0: ffff888015081948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 287.212343][ T30] #1: ffffc900001f7d00 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 287.223484][ T30] #2: ffffffff8f5df748 (rtnl_mutex){+.+.}-{3:3}, at: reg_check_chans_work+0x91/0xea0 [ 287.233334][ T30] 1 lock held by khungtaskd/30: [ 287.238504][ T30] #0: ffffffff8e333d20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 287.248599][ T30] 3 locks held by kworker/u8:5/750: [ 287.253820][ T30] #0: ffff888029eaf948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 287.265736][ T30] #1: ffffc90003f37d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 287.280084][ T30] #2: ffffffff8f5df748 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30 [ 287.289890][ T30] 3 locks held by kworker/1:2/1168: [ 287.295278][ T30] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 287.306451][ T30] #1: ffffc90005347d00 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 287.318667][ T30] #2: ffffffff8f5df748 (rtnl_mutex){+.+.}-{3:3}, at: regdb_fw_cb+0x82/0x1c0 [ 287.327736][ T30] 1 lock held by syslogd/4529: [ 287.332508][ T30] #0: ffff8880b943e658 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 287.342742][ T30] 2 locks held by getty/4844: [ 287.347629][ T30] #0: ffff88802aa4d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.357792][ T30] #1: ffffc90002f0e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 287.368104][ T30] 1 lock held by syz-executor344/5092: [ 287.373660][ T30] [ 287.376266][ T30] ============================================= [ 287.376266][ T30] [ 287.384891][ T30] NMI backtrace for cpu 1 [ 287.389225][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.9.0-syzkaller-08557-g30a92c9e3d6b #0 [ 287.398690][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 287.408751][ T30] Call Trace: [ 287.412055][ T30] [ 287.415005][ T30] dump_stack_lvl+0x241/0x360 [ 287.419780][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.425001][ T30] ? __pfx__printk+0x10/0x10 [ 287.429650][ T30] ? vprintk_emit+0x631/0x770 [ 287.434349][ T30] ? __pfx_vprintk_emit+0x10/0x10 [ 287.439394][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.444395][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.449857][ T30] ? _printk+0xd5/0x120 [ 287.454023][ T30] ? __pfx__printk+0x10/0x10 [ 287.458637][ T30] ? __wake_up_klogd+0xcc/0x110 [ 287.463501][ T30] ? __pfx__printk+0x10/0x10 [ 287.469141][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 287.474198][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.480746][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.486757][ T30] watchdog+0xfde/0x1020 [ 287.491057][ T30] ? watchdog+0x1ea/0x1020 [ 287.495490][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.500268][ T30] kthread+0x2f0/0x390 [ 287.504345][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.509020][ T30] ? __pfx_kthread+0x10/0x10 [ 287.513605][ T30] ret_from_fork+0x4b/0x80 [ 287.518018][ T30] ? __pfx_kthread+0x10/0x10 [ 287.522603][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.527372][ T30] [ 287.530487][ T30] Sending NMI from CPU 1 to CPUs 0: [ 287.535729][ C0] NMI backtrace for cpu 0 [ 287.535740][ C0] CPU: 0 PID: 5092 Comm: syz-executor344 Not tainted 6.9.0-syzkaller-08557-g30a92c9e3d6b #0 [ 287.535757][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 287.535765][ C0] RIP: 0010:check_preemption_disabled+0x5d/0x120 [ 287.535884][ C0] Code: 28 00 00 00 48 3b 44 24 08 0f 85 ce 00 00 00 89 d8 48 83 c4 10 5b 41 5c 41 5e 41 5f c3 cc cc cc cc 48 c7 04 24 00 00 00 00 9c <8f> 04 24 f7 04 24 00 02 00 00 74 c5 49 89 f6 49 89 ff 65 4c 8b 24 [ 287.535896][ C0] RSP: 0018:ffffc90003576560 EFLAGS: 00000046 [ 287.535910][ C0] RAX: 0000000080000000 RBX: 0000000000000000 RCX: ffffffff81727814 [ 287.535921][ C0] RDX: 0000000000000000 RSI: ffffffff8bcac2a0 RDI: ffffffff8c1fae20 [ 287.535932][ C0] RBP: ffffc900035766e8 R08: ffffffff8facbc2f R09: 1ffffffff1f59785 [ 287.535943][ C0] R10: dffffc0000000000 R11: fffffbfff1f59786 R12: 1ffff920006aecbc [ 287.535954][ C0] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000246 [ 287.535965][ C0] FS: 000055556a238380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 287.535979][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.535989][ C0] CR2: 000055a76edc8ad8 CR3: 0000000022a70000 CR4: 00000000003506f0 [ 287.536003][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.536012][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.536022][ C0] Call Trace: [ 287.536030][ C0] [ 287.536036][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.536052][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 287.536070][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.536085][ C0] ? nmi_handle+0x2a/0x5a0 [ 287.536120][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.536136][ C0] ? nmi_handle+0x14f/0x5a0 [ 287.536155][ C0] ? nmi_handle+0x2a/0x5a0 [ 287.536175][ C0] ? check_preemption_disabled+0x5d/0x120 [ 287.536193][ C0] ? default_do_nmi+0x63/0x160 [ 287.536209][ C0] ? exc_nmi+0x123/0x1f0 [ 287.536224][ C0] ? end_repeat_nmi+0xf/0x53 [ 287.536292][ C0] ? lock_acquire+0xd4/0x550 [ 287.536307][ C0] ? check_preemption_disabled+0x5d/0x120 [ 287.536326][ C0] ? check_preemption_disabled+0x5d/0x120 [ 287.536346][ C0] ? check_preemption_disabled+0x5d/0x120 [ 287.536371][ C0] [ 287.536376][ C0] [ 287.536384][ C0] lock_acquire+0x1b0/0x550 [ 287.536402][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 287.536417][ C0] ? tcf_idr_check_alloc+0x110/0x900 [ 287.536474][ C0] ? __pfx_lock_release+0x10/0x10 [ 287.536492][ C0] ? radix_tree_lookup+0x129/0x290 [ 287.536509][ C0] ? tcf_idr_check_alloc+0x110/0x900 [ 287.536525][ C0] tcf_idr_check_alloc+0x12d/0x900 [ 287.536540][ C0] ? tcf_idr_check_alloc+0x110/0x900 [ 287.536555][ C0] ? stack_depot_save_flags+0x29/0x830 [ 287.536625][ C0] ? __pfx_tcf_idr_check_alloc+0x10/0x10 [ 287.536643][ C0] ? __nla_parse+0x40/0x60 [ 287.536661][ C0] tcf_police_init+0x29b/0x17c0 [ 287.536692][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.536718][ C0] ? __pfx_tcf_police_init+0x10/0x10 [ 287.536747][ C0] ? __kasan_kmalloc+0x98/0xb0 [ 287.536774][ C0] ? nla_memcpy+0x5d/0xc0 [ 287.536790][ C0] ? __asan_memcpy+0x40/0x70 [ 287.536816][ C0] ? __pfx_tcf_police_init+0x10/0x10 [ 287.536833][ C0] tcf_action_init_1+0x5d7/0x890 [ 287.536855][ C0] ? __pfx_tcf_action_init_1+0x10/0x10 [ 287.536884][ C0] ? tcf_action_fill_size+0x1e/0x2d0 [ 287.536902][ C0] tcf_action_init+0x2e4/0x940 [ 287.536925][ C0] ? __pfx_tcf_action_init+0x10/0x10 [ 287.536971][ C0] ? apparmor_capable+0x138/0x1b0 [ 287.537025][ C0] tc_ctl_action+0x47d/0xcf0 [ 287.537049][ C0] ? __pfx_tc_ctl_action+0x10/0x10 [ 287.537079][ C0] ? trace_contention_end+0x3c/0x120 [ 287.537098][ C0] ? __mutex_lock+0x2ef/0xd70 [ 287.537120][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 287.537143][ C0] ? __pfx_tc_ctl_action+0x10/0x10 [ 287.537159][ C0] rtnetlink_rcv_msg+0x89b/0x10d0 [ 287.537237][ C0] ? rtnetlink_rcv_msg+0x208/0x10d0 [ 287.537258][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 287.537277][ C0] ? is_bpf_text_address+0x26/0x2a0 [ 287.537298][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 287.537324][ C0] ? __pfx_validate_chain+0x10/0x10 [ 287.537341][ C0] ? __pfx_validate_chain+0x10/0x10 [ 287.537370][ C0] ? mark_lock+0x9a/0x350 [ 287.537385][ C0] ? __pfx_validate_chain+0x10/0x10 [ 287.537402][ C0] ? __lock_acquire+0x1346/0x1fd0 [ 287.537425][ C0] ? mark_lock+0x9a/0x350 [ 287.537442][ C0] ? __lock_acquire+0x1346/0x1fd0 [ 287.537467][ C0] netlink_rcv_skb+0x1e3/0x430 [ 287.537509][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 287.537529][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 287.537558][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 287.537577][ C0] netlink_unicast+0x7ea/0x980 [ 287.537598][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 287.537614][ C0] ? __virt_addr_valid+0x44e/0x520 [ 287.537632][ C0] ? __phys_addr_symbol+0x2f/0x70 [ 287.537649][ C0] ? __check_object_size+0x4bc/0xa00 [ 287.537668][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 287.537697][ C0] netlink_sendmsg+0x8e1/0xcb0 [ 287.537722][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.537741][ C0] ? __import_iovec+0x536/0x820 [ 287.537784][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 287.537807][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 287.537820][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 287.537854][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.537871][ C0] __sock_sendmsg+0x221/0x270 [ 287.537923][ C0] ____sys_sendmsg+0x525/0x7d0 [ 287.537945][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 287.537964][ C0] ? do_raw_spin_lock+0x14f/0x370 [ 287.537988][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 287.538006][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 287.538029][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.538051][ C0] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.538069][ C0] ? ptrace_notify+0x279/0x380 [ 287.538105][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.538121][ C0] ? exc_page_fault+0x577/0x8a0 [ 287.538142][ C0] do_syscall_64+0xf5/0x240 [ 287.538161][ C0] ? clear_bhb_loop+0x35/0x90 [ 287.538180][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.538198][ C0] RIP: 0033:0x7ffa1bf81df9 [ 287.538212][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 287.538223][ C0] RSP: 002b:00007ffee3d60328 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 287.538239][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffa1bf81df9 [ 287.538249][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 287.538259][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 287.538268][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 287.538277][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 287.538294][ C0] [ 287.538301][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.571 msecs [ 288.233145][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 288.240004][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.9.0-syzkaller-08557-g30a92c9e3d6b #0 [ 288.249579][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 288.259897][ T30] Call Trace: [ 288.263181][ T30] [ 288.266117][ T30] dump_stack_lvl+0x241/0x360 [ 288.270822][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 288.277081][ T30] ? __pfx__printk+0x10/0x10 [ 288.281685][ T30] ? vscnprintf+0x5d/0x90 [ 288.286028][ T30] panic+0x349/0x860 [ 288.290021][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 288.296358][ T30] ? __pfx_panic+0x10/0x10 [ 288.300789][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 288.306170][ T30] ? __irq_work_queue_local+0x137/0x410 [ 288.311724][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 288.317103][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 288.323261][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 288.329685][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 288.335848][ T30] watchdog+0x101d/0x1020 [ 288.340190][ T30] ? watchdog+0x1ea/0x1020 [ 288.345422][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.350105][ T30] kthread+0x2f0/0x390 [ 288.354182][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.358875][ T30] ? __pfx_kthread+0x10/0x10 [ 288.363471][ T30] ret_from_fork+0x4b/0x80 [ 288.367904][ T30] ? __pfx_kthread+0x10/0x10 [ 288.372504][ T30] ret_from_fork_asm+0x1a/0x30 [ 288.377300][ T30] [ 288.380423][ T30] Kernel Offset: disabled [ 288.384751][ T30] Rebooting in 86400 seconds..