./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3541695864 <...> Warning: Permanently added '10.128.1.79' (ED25519) to the list of known hosts. execve("./syz-executor3541695864", ["./syz-executor3541695864"], 0x7ffc584f3400 /* 10 vars */) = 0 brk(NULL) = 0x55555e393000 brk(0x55555e393d40) = 0x55555e393d40 arch_prctl(ARCH_SET_FS, 0x55555e3933c0) = 0 set_tid_address(0x55555e393690) = 5851 set_robust_list(0x55555e3936a0, 24) = 0 rseq(0x55555e393ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3541695864", 4096) = 28 getrandom("\xad\x79\xd2\xd0\xc1\x7a\xea\x3f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555e393d40 brk(0x55555e3b4d40) = 0x55555e3b4d40 brk(0x55555e3b5000) = 0x55555e3b5000 mprotect(0x7f4ca6f6d000, 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 5852 attached [pid 5852] set_robust_list(0x55555e3936a0, 24) = 0 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5851] <... clone resumed>, child_tidptr=0x55555e393690) = 5852 [pid 5852] setpgid(0, 0) = 0 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5852] write(3, "1000", 4) = 4 [pid 5852] close(3) = 0 executing program [pid 5852] write(1, "executing program\n", 18) = 18 [pid 5852] futex(0x7f4ca6f733ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 207.592907][ T29] audit: type=1400 audit(1732567259.710:88): avc: denied { execmem } for pid=5851 comm="syz-executor354" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 5852] rt_sigaction(SIGRT_1, {sa_handler=0x7f4ca6f0f6e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4ca6f00d60}, NULL, 8) = 0 [pid 5852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4ca6e84000 [pid 5852] mprotect(0x7f4ca6e85000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5852] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4ca6ea4990, parent_tid=0x7f4ca6ea4990, exit_signal=0, stack=0x7f4ca6e84000, stack_size=0x20300, tls=0x7f4ca6ea46c0}./strace-static-x86_64: Process 5853 attached [pid 5853] rseq(0x7f4ca6ea4fe0, 0x20, 0, 0x53053053) = 0 [pid 5852] <... clone3 resumed> => {parent_tid=[5853]}, 88) = 5853 [pid 5853] set_robust_list(0x7f4ca6ea49a0, 24 [pid 5852] rt_sigprocmask(SIG_SETMASK, [], [pid 5853] <... set_robust_list resumed>) = 0 [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5852] futex(0x7f4ca6f733e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] mkdirat(AT_FDCWD, "./file0", 000 [pid 5852] <... futex resumed>) = 0 [pid 5852] futex(0x7f4ca6f733ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... mkdirat resumed>) = 0 [pid 5853] futex(0x7f4ca6f733ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5852] <... futex resumed>) = 0 [pid 5853] futex(0x7f4ca6f733e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] futex(0x7f4ca6f733e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5852] <... futex resumed>) = 0 [pid 5853] pipe2( [pid 5852] futex(0x7f4ca6f733ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... pipe2 resumed>[3, 4], 0) = 0 [pid 5853] futex(0x7f4ca6f733ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5852] <... futex resumed>) = 0 [pid 5853] futex(0x7f4ca6f733e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] futex(0x7f4ca6f733e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5852] <... futex resumed>) = 0 [pid 5853] write(4, "\x15\x00\x00\x00\x65\xff\xff\x09\x7b\x00\x00\x08\x00\x39\x50\x32\x30\x30\x30\x2e\x4c", 21 [pid 5852] futex(0x7f4ca6f733ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... write resumed>) = 21 [pid 5853] futex(0x7f4ca6f733ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5852] <... futex resumed>) = 0 [pid 5853] futex(0x7f4ca6f733e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] futex(0x7f4ca6f733e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5853] dup(4 [pid 5852] <... futex resumed>) = 0 [pid 5853] <... dup resumed>) = 5 [pid 5852] futex(0x7f4ca6f733ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] futex(0x7f4ca6f733ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5853] <... futex resumed>) = 0 [pid 5852] futex(0x7f4ca6f733e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] write(5, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 24 [pid 5852] <... futex resumed>) = 0 [pid 5853] <... write resumed>) = 24 [pid 5852] futex(0x7f4ca6f733ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] futex(0x7f4ca6f733ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5853] <... futex resumed>) = 0 [pid 5852] futex(0x7f4ca6f733e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] write(5, "\xce\x02\x00\x00\x00\x00\x00\x00\x98\x60\xd7\xe7\xcf\x28\x2d\xff\xe6\xe2\x66\x0f\xb1\xfa\xbc\x42\x1a\x8b\x45\xe5\x22\xd8\xc0\x3e\x43\x5d\xf6\xe3\x81\x96\x5e\x44\x78\xb1\x44\x19\xcb\xbe\xd7\x52\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\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"..., 176 [pid 5852] <... futex resumed>) = 0 [pid 5853] <... write resumed>) = 176 [pid 5852] futex(0x7f4ca6f733ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] futex(0x7f4ca6f733ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5852] futex(0x7f4ca6f733e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005" [pid 5852] <... futex resumed>) = 0 [ 207.756851][ T29] audit: type=1400 audit(1732567259.870:89): avc: denied { mounton } for pid=5852 comm="syz-executor354" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [pid 5852] futex(0x7f4ca6f733ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5852] futex(0x7f4ca6f733fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4ca6e63000 [pid 5852] mprotect(0x7f4ca6e64000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5852] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4ca6e83990, parent_tid=0x7f4ca6e83990, exit_signal=0, stack=0x7f4ca6e63000, stack_size=0x20300, tls=0x7f4ca6e836c0}./strace-static-x86_64: Process 5855 attached [pid 5855] rseq(0x7f4ca6e83fe0, 0x20, 0, 0x53053053) = 0 [pid 5855] set_robust_list(0x7f4ca6e839a0, 24 [pid 5852] <... clone3 resumed> => {parent_tid=[5855]}, 88) = 5855 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5852] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] sync( [pid 5852] futex(0x7f4ca6f733f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5852] futex(0x7f4ca6f733fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5852] exit_group(0) = ? [pid 5851] kill(-5852, SIGKILL) = 0 [pid 5851] kill(5852, SIGKILL) = 0 [pid 5851] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5851] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5851] getdents64(3, 0x55555e394730 /* 2 entries */, 32768) = 48 [pid 5851] getdents64(3, 0x55555e394730 /* 0 entries */, 32768) = 0 [pid 5851] close(3) = 0 [ 430.910744][ T30] INFO: task syz-executor354:5855 blocked for more than 143 seconds. [ 430.919000][ T30] Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #0 [ 430.926409][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 430.935207][ T30] task:syz-executor354 state:D stack:28208 pid:5855 tgid:5852 ppid:5851 flags:0x00004006 [ 430.945504][ T30] Call Trace: [ 430.948886][ T30] [ 430.951846][ T30] __schedule+0xe58/0x5ad0 [ 430.956355][ T30] ? __pfx___lock_acquire+0x10/0x10 [ 430.961626][ T30] ? __pfx___schedule+0x10/0x10 [ 430.966480][ T30] ? schedule+0x298/0x350 [ 430.970837][ T30] ? __pfx_lock_release+0x10/0x10 [ 430.975868][ T30] ? lock_acquire+0x2f/0xb0 [ 430.980402][ T30] ? schedule+0x1fd/0x350 [ 430.984747][ T30] schedule+0xe7/0x350 [ 430.988802][ T30] super_lock+0x2bb/0x3f0 [ 430.993246][ T30] ? __pfx_super_lock+0x10/0x10 [ 430.998109][ T30] ? __pfx_var_wake_function+0x10/0x10 [ 431.003667][ T30] ? lock_acquire+0x2f/0xb0 [ 431.008179][ T30] ? iterate_supers+0x11d/0x240 [ 431.013070][ T30] ? __pfx_sync_inodes_one_sb+0x10/0x10 [ 431.018641][ T30] iterate_supers+0xb9/0x240 [ 431.023278][ T30] ksys_sync+0x8a/0x150 [ 431.027440][ T30] ? __pfx_ksys_sync+0x10/0x10 [ 431.032239][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 431.037450][ T30] ? lockdep_hardirqs_on+0x7c/0x110 [ 431.042732][ T30] ? ptrace_notify+0xf1/0x130 [ 431.047465][ T30] ? syscall_trace_enter+0xab/0x2c0 [ 431.052732][ T30] __do_sys_sync+0xe/0x20 [ 431.057073][ T30] do_syscall_64+0xcd/0x250 [ 431.061646][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 431.067574][ T30] RIP: 0033:0x7f4ca6ee97a9 [ 431.072016][ T30] RSP: 002b:00007f4ca6e83218 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 431.080491][ T30] RAX: ffffffffffffffda RBX: 00007f4ca6f733f8 RCX: 00007f4ca6ee97a9 [ 431.088481][ T30] RDX: 00007f4ca6ec5e16 RSI: 0000000000000000 RDI: 00007f4ca6e83fb0 [ 431.096542][ T30] RBP: 00007f4ca6f733f0 R08: 00007ffdf0741857 R09: 0000000000000000 [ 431.104547][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4ca6f4007c [ 431.112544][ T30] R13: 0030656c69662f2e R14: 00007ffdf0741770 R15: 64663d736e617274 [ 431.120570][ T30] [ 431.123591][ T30] [ 431.123591][ T30] Showing all locks held in the system: [ 431.131356][ T30] 1 lock held by khungtaskd/30: [ 431.136223][ T30] #0: ffffffff8e1bba80 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x7f/0x390 [ 431.146205][ T30] 1 lock held by klogd/5199: [ 431.150877][ T30] #0: ffff8880b863ebd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 [ 431.160871][ T30] 2 locks held by getty/5599: [ 431.165549][ T30] #0: ffff8880314eb0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 431.175393][ T30] #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480 [ 431.185665][ T30] 1 lock held by syz-executor354/5853: [ 431.191163][ T30] #0: ffff8880340a20e0 (&type->s_umount_key#58/1){+.+.}-{4:4}, at: alloc_super+0x23d/0xbd0 [ 431.201343][ T30] [ 431.203676][ T30] ============================================= [ 431.203676][ T30] [ 431.212123][ T30] NMI backtrace for cpu 1 [ 431.216456][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #0 [ 431.226588][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 431.236630][ T30] Call Trace: [ 431.239904][ T30] [ 431.242831][ T30] dump_stack_lvl+0x116/0x1f0 [ 431.247519][ T30] nmi_cpu_backtrace+0x27b/0x390 [ 431.252446][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 431.258416][ T30] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 431.264382][ T30] watchdog+0xf0c/0x1240 [ 431.268660][ T30] ? __pfx_watchdog+0x10/0x10 [ 431.273351][ T30] ? lockdep_hardirqs_on+0x7c/0x110 [ 431.278547][ T30] ? __kthread_parkme+0x148/0x220 [ 431.283597][ T30] ? __pfx_watchdog+0x10/0x10 [ 431.288278][ T30] kthread+0x2c1/0x3a0 [ 431.292338][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 431.297519][ T30] ? __pfx_kthread+0x10/0x10 [ 431.302092][ T30] ret_from_fork+0x45/0x80 [ 431.306527][ T30] ? __pfx_kthread+0x10/0x10 [ 431.311110][ T30] ret_from_fork_asm+0x1a/0x30 [ 431.315881][ T30] [ 431.318963][ T30] Sending NMI from CPU 1 to CPUs 0: [ 431.324236][ C0] NMI backtrace for cpu 0 [ 431.324251][ C0] CPU: 0 UID: 0 PID: 3553 Comm: kworker/u8:8 Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #0 [ 431.324271][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 431.324282][ C0] Workqueue: events_unbound toggle_allocation_gate [ 431.324322][ C0] RIP: 0010:x2apic_send_IPI+0x9a/0xe0 [ 431.324351][ C0] Code: 8b 13 0f ae f0 0f ae e8 b9 00 04 00 00 41 83 fc 02 44 89 e0 48 0f 44 c1 48 c1 e2 20 b9 30 08 00 00 48 09 d0 48 c1 ea 20 0f 30 <66> 90 5b 5d 41 5c c3 cc cc cc cc 5b 31 d2 48 89 c6 bf 30 08 00 00 [ 431.324366][ C0] RSP: 0018:ffffc9000d487978 EFLAGS: 00000202 [ 431.324383][ C0] RAX: 00000001000000fb RBX: ffff8880b872116c RCX: 0000000000000830 [ 431.324394][ C0] RDX: 0000000000000001 RSI: 00000000000000fb RDI: ffffffff8da82ba8 [ 431.324404][ C0] RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 [ 431.324414][ C0] R10: 0000000000000001 R11: 0000000000000006 R12: 00000000000000fb [ 431.324424][ C0] R13: 0000000000000001 R14: ffff8880b863fe50 R15: ffff8880b863fe40 [ 431.324435][ C0] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 431.324452][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 431.324463][ C0] CR2: 000055d793ece028 CR3: 000000000df7e000 CR4: 00000000003526f0 [ 431.324474][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 431.324484][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 431.324494][ C0] Call Trace: [ 431.324500][ C0] [ 431.324506][ C0] ? nmi_cpu_backtrace+0x1d8/0x390 [ 431.324532][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 431.324547][ C0] ? nmi_handle+0x1a7/0x5c0 [ 431.324572][ C0] ? x2apic_send_IPI+0x9a/0xe0 [ 431.324593][ C0] ? default_do_nmi+0x6a/0x160 [ 431.324617][ C0] ? exc_nmi+0x170/0x1e0 [ 431.324638][ C0] ? end_repeat_nmi+0xf/0x53 [ 431.324662][ C0] ? x2apic_send_IPI+0x9a/0xe0 [ 431.324683][ C0] ? x2apic_send_IPI+0x9a/0xe0 [ 431.324706][ C0] ? x2apic_send_IPI+0x9a/0xe0 [ 431.324727][ C0] [ 431.324732][ C0] [ 431.324738][ C0] smp_call_function_many_cond+0x1056/0x1300 [ 431.324769][ C0] ? __pfx_do_sync_core+0x10/0x10 [ 431.324795][ C0] ? __pfx_do_sync_core+0x10/0x10 [ 431.324816][ C0] on_each_cpu_cond_mask+0x40/0x90 [ 431.324838][ C0] text_poke_bp_batch+0x561/0x760 [ 431.324861][ C0] ? __kmalloc_node_track_caller_noprof+0xe5/0x430 [ 431.324892][ C0] ? __pfx_text_poke_bp_batch+0x10/0x10 [ 431.324914][ C0] ? __jump_label_patch+0x1db/0x400 [ 431.324938][ C0] ? arch_jump_label_transform_queue+0xc0/0x120 [ 431.324965][ C0] text_poke_finish+0x30/0x40 [ 431.324986][ C0] arch_jump_label_transform_apply+0x1c/0x30 [ 431.325010][ C0] jump_label_update+0x1d7/0x400 [ 431.325051][ C0] static_key_enable_cpuslocked+0x1b7/0x270 [ 431.325076][ C0] static_key_enable+0x1a/0x20 [ 431.325098][ C0] toggle_allocation_gate+0xfc/0x260 [ 431.325118][ C0] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 431.325137][ C0] ? trace_lock_acquire+0x146/0x1e0 [ 431.325164][ C0] ? process_one_work+0x921/0x1ba0 [ 431.325185][ C0] ? lock_acquire+0x2f/0xb0 [ 431.325202][ C0] ? process_one_work+0x921/0x1ba0 [ 431.325222][ C0] process_one_work+0x9c5/0x1ba0 [ 431.325244][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 431.325263][ C0] ? __pfx_process_one_work+0x10/0x10 [ 431.325280][ C0] ? rcu_is_watching+0x12/0xc0 [ 431.325309][ C0] ? assign_work+0x1a0/0x250 [ 431.325327][ C0] worker_thread+0x6c8/0xf00 [ 431.325349][ C0] ? __kthread_parkme+0x148/0x220 [ 431.325371][ C0] ? __pfx_worker_thread+0x10/0x10 [ 431.325393][ C0] kthread+0x2c1/0x3a0 [ 431.325413][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 431.325430][ C0] ? __pfx_kthread+0x10/0x10 [ 431.325451][ C0] ret_from_fork+0x45/0x80 [ 431.325467][ C0] ? __pfx_kthread+0x10/0x10 [ 431.325488][ C0] ret_from_fork_asm+0x1a/0x30 [ 431.325516][ C0] [ 431.325526][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.291 msecs [ 431.326222][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 431.326234][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #0 [ 431.326256][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 431.326267][ T30] Call Trace: [ 431.326274][ T30] [ 431.326281][ T30] dump_stack_lvl+0x3d/0x1f0 [ 431.326307][ T30] panic+0x71d/0x800 [ 431.326346][ T30] ? __pfx_panic+0x10/0x10 [ 431.326382][ T30] ? __irq_work_queue_local+0xdd/0x460 [ 431.326418][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 431.326438][ T30] ? irq_work_queue+0x2a/0x80 [ 431.326459][ T30] ? watchdog+0xd76/0x1240 [ 431.326482][ T30] ? watchdog+0xd69/0x1240 [ 431.326507][ T30] watchdog+0xd87/0x1240 [ 431.326533][ T30] ? __pfx_watchdog+0x10/0x10 [ 431.326556][ T30] ? lockdep_hardirqs_on+0x7c/0x110 [ 431.326578][ T30] ? __kthread_parkme+0x148/0x220 [ 431.326604][ T30] ? __pfx_watchdog+0x10/0x10 [ 431.326627][ T30] kthread+0x2c1/0x3a0 [ 431.326650][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 431.326669][ T30] ? __pfx_kthread+0x10/0x10 [ 431.326694][ T30] ret_from_fork+0x45/0x80 [ 431.326713][ T30] ? __pfx_kthread+0x10/0x10 [ 431.326737][ T30] ret_from_fork_asm+0x1a/0x30 [ 431.326772][ T30] [ 431.836914][ T30] Kernel Offset: disabled [ 431.841223][ T30] Rebooting in 86400 seconds..