./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2429393465 <...> Warning: Permanently added '10.128.10.15' (ED25519) to the list of known hosts. execve("./syz-executor2429393465", ["./syz-executor2429393465"], 0x7ffe453c6050 /* 10 vars */) = 0 brk(NULL) = 0x55558d005000 brk(0x55558d005d00) = 0x55558d005d00 arch_prctl(ARCH_SET_FS, 0x55558d005380) = 0 set_tid_address(0x55558d005650) = 5087 set_robust_list(0x55558d005660, 24) = 0 rseq(0x55558d005ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2429393465", 4096) = 28 getrandom("\x21\xb0\x6d\xb4\x94\xa4\xd7\xb8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558d005d00 brk(0x55558d026d00) = 0x55558d026d00 brk(0x55558d027000) = 0x55558d027000 mprotect(0x7f7511013000, 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./strace-static-x86_64: Process 5088 attached , child_tidptr=0x55558d005650) = 5088 [pid 5088] set_robust_list(0x55558d005660, 24) = 0 [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5088] setpgid(0, 0) = 0 [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5088] write(3, "1000", 4) = 4 [pid 5088] close(3) = 0 executing program [pid 5088] write(1, "executing program\n", 18) = 18 [pid 5088] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 5088] 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\x00\x00\x00\x00"..., iov_len=240}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5087] kill(-5088, SIGKILL) = 0 [pid 5087] kill(5088, SIGKILL) = 0 [pid 5087] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5087] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5087] getdents64(3, 0x55558d0066f0 /* 2 entries */, 32768) = 48 [pid 5087] getdents64(3, 0x55558d0066f0 /* 0 entries */, 32768) = 0 [pid 5087] close(3) = 0 [ 76.774616][ T58] cfg80211: failed to load regulatory.db [ 286.692651][ T30] INFO: task kworker/1:0:25 blocked for more than 143 seconds. [ 286.700392][ T30] Not tainted 6.10.0-rc2-syzkaller-00440-ga99997323654 #0 [ 286.708677][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.717608][ T30] task:kworker/1:0 state:D stack:26136 pid:25 tgid:25 ppid:2 flags:0x00004000 [ 286.727862][ T30] Workqueue: events_power_efficient reg_check_chans_work [ 286.735153][ T30] Call Trace: [ 286.738443][ T30] [ 286.741380][ T30] __schedule+0x17e8/0x4a20 [ 286.746219][ T30] ? __pfx___schedule+0x10/0x10 [ 286.751091][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.757352][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.762398][ T30] ? kick_pool+0x1bd/0x620 [ 286.767157][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.772378][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 286.777848][ T30] ? schedule+0x90/0x320 [ 286.782121][ T30] schedule+0x14b/0x320 [ 286.786612][ T30] schedule_preempt_disabled+0x13/0x30 [ 286.792093][ T30] __mutex_lock+0x6a4/0xd70 [ 286.796861][ T30] ? __mutex_lock+0x527/0xd70 [ 286.801566][ T30] ? reg_check_chans_work+0x91/0xea0 [ 286.807128][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 286.812197][ T30] reg_check_chans_work+0x91/0xea0 [ 286.818025][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 286.823301][ T30] ? __pfx_reg_check_chans_work+0x10/0x10 [ 286.829057][ T30] ? process_scheduled_works+0x945/0x1830 [ 286.835000][ T30] process_scheduled_works+0xa2c/0x1830 [ 286.843175][ T30] ? __pfx_process_scheduled_works+0x10/0x10 [ 286.849191][ T30] ? assign_work+0x364/0x3d0 [ 286.854041][ T30] worker_thread+0x86d/0xd70 [ 286.858674][ T30] ? __kthread_parkme+0x169/0x1d0 [ 286.864036][ T30] ? __pfx_worker_thread+0x10/0x10 [ 286.869180][ T30] kthread+0x2f0/0x390 [ 286.873540][ T30] ? __pfx_worker_thread+0x10/0x10 [ 286.878866][ T30] ? __pfx_kthread+0x10/0x10 [ 286.883776][ T30] ret_from_fork+0x4b/0x80 [ 286.888229][ T30] ? __pfx_kthread+0x10/0x10 [ 286.893119][ T30] ret_from_fork_asm+0x1a/0x30 [ 286.897935][ T30] [ 286.901052][ T30] INFO: task kworker/1:2:58 blocked for more than 143 seconds. [ 286.908979][ T30] Not tainted 6.10.0-rc2-syzkaller-00440-ga99997323654 #0 [ 286.916884][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.926252][ T30] task:kworker/1:2 state:D stack:24184 pid:58 tgid:58 ppid:2 flags:0x00004000 [ 286.936729][ T30] Workqueue: events request_firmware_work_func [ 286.943152][ T30] Call Trace: [ 286.946452][ T30] [ 286.949391][ T30] __schedule+0x17e8/0x4a20 [ 286.954275][ T30] ? __pfx___schedule+0x10/0x10 [ 286.959156][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.964478][ T30] ? __mutex_trylock_common+0x92/0x2e0 [ 286.969959][ T30] ? kthread_data+0x52/0xd0 [ 286.974683][ T30] ? schedule+0x90/0x320 [ 286.978950][ T30] ? wq_worker_sleeping+0x66/0x240 [ 286.984437][ T30] ? schedule+0x90/0x320 [ 286.988716][ T30] schedule+0x14b/0x320 [ 286.993094][ T30] schedule_preempt_disabled+0x13/0x30 [ 286.998581][ T30] __mutex_lock+0x6a4/0xd70 [ 287.003164][ T30] ? __mutex_lock+0x527/0xd70 [ 287.007865][ T30] ? regdb_fw_cb+0x82/0x1c0 [ 287.012379][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 287.017798][ T30] ? __pfx_regdb_fw_cb+0x10/0x10 [ 287.023036][ T30] regdb_fw_cb+0x82/0x1c0 [ 287.027386][ T30] ? __pfx_regdb_fw_cb+0x10/0x10 [ 287.032421][ T30] request_firmware_work_func+0x1a4/0x280 [ 287.038745][ T30] ? __pfx_request_firmware_work_func+0x10/0x10 [ 287.045648][ T30] ? process_scheduled_works+0x945/0x1830 [ 287.051384][ T30] process_scheduled_works+0xa2c/0x1830 [ 287.057675][ T30] ? __pfx_process_scheduled_works+0x10/0x10 [ 287.063988][ T30] ? assign_work+0x364/0x3d0 [ 287.068602][ T30] worker_thread+0x86d/0xd70 [ 287.073584][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.079506][ T30] ? __kthread_parkme+0x169/0x1d0 [ 287.084943][ T30] ? __pfx_worker_thread+0x10/0x10 [ 287.090068][ T30] kthread+0x2f0/0x390 [ 287.094620][ T30] ? __pfx_worker_thread+0x10/0x10 [ 287.099748][ T30] ? __pfx_kthread+0x10/0x10 [ 287.104830][ T30] ret_from_fork+0x4b/0x80 [ 287.109275][ T30] ? __pfx_kthread+0x10/0x10 [ 287.114101][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.118900][ T30] [ 287.125201][ T30] [ 287.125201][ T30] Showing all locks held in the system: [ 287.132970][ T30] 3 locks held by kworker/1:0/25: [ 287.137995][ T30] #0: ffff888015081948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 287.151152][ T30] #1: ffffc900001f7d00 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 287.163100][ T30] #2: ffffffff8f5e7448 (rtnl_mutex){+.+.}-{3:3}, at: reg_check_chans_work+0x91/0xea0 [ 287.173029][ T30] 1 lock held by khungtaskd/30: [ 287.177893][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 287.188200][ T30] 3 locks held by kworker/1:2/58: [ 287.193506][ T30] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 287.204814][ T30] #1: ffffc90001387d00 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 287.217249][ T30] #2: ffffffff8f5e7448 (rtnl_mutex){+.+.}-{3:3}, at: regdb_fw_cb+0x82/0x1c0 [ 287.226410][ T30] 3 locks held by kworker/u8:7/2476: [ 287.231704][ T30] #0: ffff888029cf8948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 287.243726][ T30] #1: ffffc9000980fd00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 287.257808][ T30] #2: ffffffff8f5e7448 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30 [ 287.267708][ T30] 2 locks held by getty/4840: [ 287.272394][ T30] #0: ffff88802a0180a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.283200][ T30] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 287.293722][ T30] 1 lock held by syz-executor242/5088: [ 287.299187][ T30] [ 287.301515][ T30] ============================================= [ 287.301515][ T30] [ 287.310722][ T30] NMI backtrace for cpu 1 [ 287.315068][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00440-ga99997323654 #0 [ 287.324966][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 287.335032][ T30] Call Trace: [ 287.338318][ T30] [ 287.341248][ T30] dump_stack_lvl+0x241/0x360 [ 287.345937][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.351139][ T30] ? __pfx__printk+0x10/0x10 [ 287.355731][ T30] ? vprintk_emit+0x631/0x770 [ 287.360418][ T30] ? __pfx_vprintk_emit+0x10/0x10 [ 287.365464][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.370422][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.375903][ T30] ? _printk+0xd5/0x120 [ 287.380077][ T30] ? __pfx__printk+0x10/0x10 [ 287.384678][ T30] ? __wake_up_klogd+0xcc/0x110 [ 287.389545][ T30] ? __pfx__printk+0x10/0x10 [ 287.394153][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 287.399195][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.405187][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.411204][ T30] watchdog+0xfde/0x1020 [ 287.415467][ T30] ? watchdog+0x1ea/0x1020 [ 287.419904][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.424592][ T30] kthread+0x2f0/0x390 [ 287.428669][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.433350][ T30] ? __pfx_kthread+0x10/0x10 [ 287.437963][ T30] ret_from_fork+0x4b/0x80 [ 287.442400][ T30] ? __pfx_kthread+0x10/0x10 [ 287.447000][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.451793][ T30] [ 287.455412][ T30] Sending NMI from CPU 1 to CPUs 0: [ 287.460659][ C0] NMI backtrace for cpu 0 [ 287.460671][ C0] CPU: 0 PID: 5088 Comm: syz-executor242 Not tainted 6.10.0-rc2-syzkaller-00440-ga99997323654 #0 [ 287.460689][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 287.460702][ C0] RIP: 0010:__lock_acquire+0x328/0x1fd0 [ 287.460728][ C0] Code: 00 b8 00 e0 ff ff 23 03 41 81 e5 ff 1f 00 00 44 09 e8 48 89 5c 24 10 89 03 4c 89 74 24 28 4b 8d 5c f0 08 48 89 d8 48 c1 e8 03 <80> 3c 30 00 74 17 48 89 df e8 7a 7b 89 00 4c 8b 44 24 08 48 be 00 [ 287.460742][ C0] RSP: 0018:ffffc900034964b0 EFLAGS: 00000802 [ 287.460759][ C0] RAX: 1ffff1100446a162 RBX: ffff888022350b10 RCX: ffffffff947a3603 [ 287.460772][ C0] RDX: 0000000000000001 RSI: dffffc0000000000 RDI: 0000000000000021 [ 287.460782][ C0] RBP: ffffffff897b5040 R08: ffff888022350ae0 R09: 0000000000000000 [ 287.460794][ C0] R10: dffffc0000000000 R11: fffffbfff1f5a98e R12: ffffffff8e333fa0 [ 287.460806][ C0] R13: 0000000000000021 R14: 0000000000000005 R15: 0000000000000000 [ 287.460816][ C0] FS: 000055558d005380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 287.460830][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.460841][ C0] CR2: 00005645168587f0 CR3: 0000000074598000 CR4: 00000000003506f0 [ 287.460855][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.460865][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.460875][ C0] Call Trace: [ 287.460881][ C0] [ 287.460887][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.460909][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 287.460927][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.460960][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.460979][ C0] ? nmi_handle+0x14f/0x5a0 [ 287.461002][ C0] ? nmi_handle+0x2a/0x5a0 [ 287.461025][ C0] ? __lock_acquire+0x328/0x1fd0 [ 287.461042][ C0] ? default_do_nmi+0x63/0x160 [ 287.461064][ C0] ? exc_nmi+0x123/0x1f0 [ 287.461084][ C0] ? end_repeat_nmi+0xf/0x53 [ 287.461105][ C0] ? tcf_idr_check_alloc+0x110/0x900 [ 287.461131][ C0] ? __lock_acquire+0x328/0x1fd0 [ 287.461147][ C0] ? __lock_acquire+0x328/0x1fd0 [ 287.461165][ C0] ? __lock_acquire+0x328/0x1fd0 [ 287.461181][ C0] [ 287.461186][ C0] [ 287.461199][ C0] lock_acquire+0x1ed/0x550 [ 287.461215][ C0] ? tcf_idr_check_alloc+0x110/0x900 [ 287.461240][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 287.461257][ C0] ? tcf_idr_check_alloc+0x110/0x900 [ 287.461279][ C0] ? __pfx_lock_release+0x10/0x10 [ 287.461295][ C0] ? tcf_idr_check_alloc+0x110/0x900 [ 287.461318][ C0] ? preempt_schedule_notrace_thunk+0x1a/0x30 [ 287.461338][ C0] ? tcf_idr_check_alloc+0x110/0x900 [ 287.461360][ C0] tcf_idr_check_alloc+0x12d/0x900 [ 287.461382][ C0] ? tcf_idr_check_alloc+0x110/0x900 [ 287.461407][ C0] ? __pfx_tcf_idr_check_alloc+0x10/0x10 [ 287.461431][ C0] ? __nla_parse+0x40/0x60 [ 287.461453][ C0] tcf_police_init+0x29b/0x17c0 [ 287.461468][ C0] ? __sock_sendmsg+0x221/0x270 [ 287.461492][ C0] ? ____sys_sendmsg+0x525/0x7d0 [ 287.461514][ C0] ? __pfx_tcf_police_init+0x10/0x10 [ 287.461540][ C0] ? nla_memcpy+0x5d/0xc0 [ 287.461560][ C0] ? __asan_memcpy+0x40/0x70 [ 287.461577][ C0] ? __pfx_tcf_police_init+0x10/0x10 [ 287.461593][ C0] tcf_action_init_1+0x5d7/0x890 [ 287.461620][ C0] ? __pfx_tcf_action_init_1+0x10/0x10 [ 287.461653][ C0] ? tcf_action_fill_size+0x1e/0x2d0 [ 287.461678][ C0] tcf_action_init+0x2e4/0x940 [ 287.461706][ C0] ? __pfx_tcf_action_init+0x10/0x10 [ 287.461753][ C0] ? apparmor_capable+0x138/0x1b0 [ 287.461779][ C0] tc_ctl_action+0x47d/0xcf0 [ 287.461795][ C0] ? is_bpf_text_address+0x26/0x2a0 [ 287.461816][ C0] ? __pfx_tc_ctl_action+0x10/0x10 [ 287.461843][ C0] ? trace_contention_end+0x3c/0x120 [ 287.461864][ C0] ? __mutex_lock+0x2ef/0xd70 [ 287.461892][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 287.461921][ C0] ? __pfx_tc_ctl_action+0x10/0x10 [ 287.461936][ C0] rtnetlink_rcv_msg+0x89b/0x1180 [ 287.461958][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 287.461978][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 287.461997][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 287.462017][ C0] ? __pfx_validate_chain+0x10/0x10 [ 287.462037][ C0] ? __pfx_validate_chain+0x10/0x10 [ 287.462057][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 287.462084][ C0] ? mark_lock+0x9a/0x350 [ 287.462101][ C0] ? __pfx_validate_chain+0x10/0x10 [ 287.462121][ C0] ? __lock_acquire+0x1346/0x1fd0 [ 287.462144][ C0] ? mark_lock+0x9a/0x350 [ 287.462163][ C0] ? __lock_acquire+0x1346/0x1fd0 [ 287.462188][ C0] netlink_rcv_skb+0x1e3/0x430 [ 287.462206][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 287.462226][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 287.462253][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 287.462271][ C0] netlink_unicast+0x7ea/0x980 [ 287.462290][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 287.462304][ C0] ? __virt_addr_valid+0x183/0x520 [ 287.462327][ C0] ? __check_object_size+0x49c/0x900 [ 287.462350][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 287.462374][ C0] netlink_sendmsg+0x8db/0xcb0 [ 287.462397][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.462415][ C0] ? __import_iovec+0x536/0x820 [ 287.462435][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 287.462453][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 287.462468][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 287.462496][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.462513][ C0] __sock_sendmsg+0x221/0x270 [ 287.462535][ C0] ____sys_sendmsg+0x525/0x7d0 [ 287.462554][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 287.462571][ C0] ? do_raw_spin_lock+0x14f/0x370 [ 287.462598][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 287.462614][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 287.462641][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.462663][ C0] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.462683][ C0] ? ptrace_notify+0x279/0x380 [ 287.462710][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.462727][ C0] ? exc_page_fault+0x590/0x8c0 [ 287.462747][ C0] do_syscall_64+0xf3/0x230 [ 287.462765][ C0] ? clear_bhb_loop+0x35/0x90 [ 287.462785][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.462804][ C0] RIP: 0033:0x7f7510f9fdf9 [ 287.462822][ 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 [ 287.462835][ C0] RSP: 002b:00007ffe6a10f628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 287.462851][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7510f9fdf9 [ 287.462862][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 287.462872][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 287.462882][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 287.462891][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 287.462907][ C0] [ 287.462914][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.255 msecs [ 288.138618][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 288.145477][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00440-ga99997323654 #0 [ 288.155351][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 288.165388][ T30] Call Trace: [ 288.168659][ T30] [ 288.171578][ T30] dump_stack_lvl+0x241/0x360 [ 288.176249][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 288.181434][ T30] ? __pfx__printk+0x10/0x10 [ 288.186020][ T30] ? vscnprintf+0x5d/0x90 [ 288.190339][ T30] panic+0x349/0x860 [ 288.194247][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 288.200391][ T30] ? __pfx_panic+0x10/0x10 [ 288.204800][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 288.210163][ T30] ? __irq_work_queue_local+0x137/0x410 [ 288.215697][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 288.221054][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 288.227196][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 288.233341][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 288.239485][ T30] watchdog+0x101d/0x1020 [ 288.243811][ T30] ? watchdog+0x1ea/0x1020 [ 288.248480][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.253577][ T30] kthread+0x2f0/0x390 [ 288.257635][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.262300][ T30] ? __pfx_kthread+0x10/0x10 [ 288.266881][ T30] ret_from_fork+0x4b/0x80 [ 288.271305][ T30] ? __pfx_kthread+0x10/0x10 [ 288.275900][ T30] ret_from_fork_asm+0x1a/0x30 [ 288.280677][ T30] [ 288.283907][ T30] Kernel Offset: disabled [ 288.288226][ T30] Rebooting in 86400 seconds..