./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4175914180 <...> Warning: Permanently added '10.128.1.91' (ED25519) to the list of known hosts. execve("./syz-executor4175914180", ["./syz-executor4175914180"], 0x7ffc2b10dff0 /* 10 vars */) = 0 brk(NULL) = 0x55558a03f000 brk(0x55558a03fd00) = 0x55558a03fd00 arch_prctl(ARCH_SET_FS, 0x55558a03f380) = 0 set_tid_address(0x55558a03f650) = 5072 set_robust_list(0x55558a03f660, 24) = 0 rseq(0x55558a03fca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4175914180", 4096) = 28 getrandom("\x97\x5a\xca\x2d\x61\x88\xed\xbc", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558a03fd00 brk(0x55558a060d00) = 0x55558a060d00 brk(0x55558a061000) = 0x55558a061000 mprotect(0x7f6d8f173000, 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 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5074 attached , child_tidptr=0x55558a03f650) = 5074 [pid 5074] set_robust_list(0x55558a03f660, 24) = 0 [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5074] setpgid(0, 0) = 0 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] write(3, "1000", 4) = 4 [pid 5074] close(3) = 0 [pid 5074] getegid() = 0 [pid 5074] memfd_create("syzkaller", 0) = 3 [pid 5074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6d86c00000 [pid 5074] write(3, "\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\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"..., 262144) = 262144 [pid 5074] munmap(0x7f6d86c00000, 138412032) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5074] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5074] close(3) = 0 [pid 5074] close(4) = 0 [pid 5074] mkdir("./file1", 0777) = 0 [ 73.766527][ T5074] loop0: detected capacity change from 0 to 512 [ 73.806768][ T5074] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 73.837250][ T5074] EXT4-fs error (device loop0): ext4_do_update_inode:5082: inode #3: comm syz-executor417: corrupted inode contents [ 73.851626][ T5074] EXT4-fs error (device loop0): ext4_dirty_inode:5942: inode #3: comm syz-executor417: mark_inode_dirty error [ 73.865283][ T5074] EXT4-fs error (device loop0): ext4_do_update_inode:5082: inode #3: comm syz-executor417: corrupted inode contents [ 73.878007][ T5074] EXT4-fs error (device loop0): __ext4_ext_dirty:202: inode #3: comm syz-executor417: mark_inode_dirty error [ 73.892845][ T5074] Quota error (device loop0): write_blk: dquota write failed [ 73.900736][ T5074] Quota error (device loop0): qtree_write_dquot: Error -117 occurred while creating quota [ 73.913183][ T5074] EXT4-fs error (device loop0): ext4_do_update_inode:5082: inode #16: comm syz-executor417: corrupted inode contents [ 73.926912][ T5074] EXT4-fs error (device loop0): ext4_dirty_inode:5942: inode #16: comm syz-executor417: mark_inode_dirty error [ 73.939493][ T5074] EXT4-fs error (device loop0): ext4_do_update_inode:5082: inode #16: comm syz-executor417: corrupted inode contents [ 73.952181][ T5074] EXT4-fs error (device loop0): __ext4_ext_dirty:202: inode #16: comm syz-executor417: mark_inode_dirty error [ 73.964682][ T5074] EXT4-fs error (device loop0): ext4_do_update_inode:5082: inode #16: comm syz-executor417: corrupted inode contents [ 73.977649][ T5074] EXT4-fs error (device loop0) in ext4_orphan_del:305: Corrupt filesystem [ 73.987317][ T5074] EXT4-fs error (device loop0): ext4_do_update_inode:5082: inode #16: comm syz-executor417: corrupted inode contents [ 74.000097][ T5074] EXT4-fs error (device loop0): ext4_truncate:4169: inode #16: comm syz-executor417: mark_inode_dirty error [ 74.012294][ T5074] EXT4-fs error (device loop0) in ext4_process_orphan:347: Corrupt filesystem [ 74.023338][ T5074] EXT4-fs (loop0): 1 truncate cleaned up [pid 5074] mount("/dev/loop0", "./file1", "ext4", MS_SYNCHRONOUS|MS_STRICTATIME|MS_LAZYTIME, ",errors=continue") = 0 [pid 5074] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5074] chdir("./file1") = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5074] setxattr("./file0", "trusted.overlay.upper", NULL, 0, 0) = 0 [ 74.029110][ T5074] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 74.041671][ T5074] ext4 filesystem being mounted at /root/file1 supports timestamps until 2038-01-19 (0x7fffffff) [pid 5074] setxattr("./file0", "user.incfs.size", "\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\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"..., 65517, 0 [pid 5072] kill(-5074, SIGKILL) = 0 [pid 5072] kill(5074, SIGKILL) = 0 [pid 5072] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5072] getdents64(3, 0x55558a0406f0 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(3, 0x55558a0406f0 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [ 86.475903][ T924] cfg80211: failed to load regulatory.db [ 286.153639][ T29] INFO: task syz-executor417:5074 blocked for more than 143 seconds. [ 286.161870][ T29] Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 286.169160][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.178012][ T29] task:syz-executor417 state:D stack:20088 pid:5074 tgid:5074 ppid:5072 flags:0x00004006 [ 286.188323][ T29] Call Trace: [ 286.191625][ T29] [ 286.194627][ T29] __schedule+0x17d3/0x4a20 [ 286.199205][ T29] ? srso_return_thunk+0x5/0x5f [ 286.204164][ T29] ? __pfx___schedule+0x10/0x10 [ 286.209076][ T29] ? __pfx_lock_release+0x10/0x10 [ 286.214216][ T29] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 286.220184][ T29] ? srso_return_thunk+0x5/0x5f [ 286.225142][ T29] ? srso_return_thunk+0x5/0x5f [ 286.230041][ T29] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 286.236016][ T29] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 286.242408][ T29] ? schedule+0x90/0x320 [ 286.246746][ T29] schedule+0x14b/0x320 [ 286.250956][ T29] io_schedule+0x8d/0x110 [ 286.255370][ T29] bit_wait_io+0x12/0xd0 [ 286.259655][ T29] __wait_on_bit_lock+0xd7/0x530 [ 286.264693][ T29] ? __pfx_bit_wait_io+0x10/0x10 [ 286.269670][ T29] out_of_line_wait_on_bit_lock+0x1d5/0x260 [ 286.275639][ T29] ? __pfx_bit_wait_io+0x10/0x10 [ 286.280616][ T29] ? __pfx_out_of_line_wait_on_bit_lock+0x10/0x10 [ 286.287161][ T29] ? __ext4_journal_get_write_access+0x29b/0x6a0 [ 286.293601][ T29] ? __pfx_wake_bit_function+0x10/0x10 [ 286.299141][ T29] ext4_quota_write+0x381/0x580 [ 286.304105][ T29] ? __pfx_ext4_quota_write+0x10/0x10 [ 286.309537][ T29] ? do_raw_spin_unlock+0x13c/0x8b0 [ 286.315252][ T29] ? v2r1_mem2diskdqb+0x35e/0x3e0 [ 286.320309][ T29] ? __pfx_ext4_quota_write+0x10/0x10 [ 286.325775][ T29] qtree_write_dquot+0x26b/0x5b0 [ 286.330769][ T29] ? __pfx_qtree_write_dquot+0x10/0x10 [ 286.336297][ T29] ? dquot_commit+0x5b/0x520 [ 286.340926][ T29] ? __pfx___might_resched+0x10/0x10 [ 286.346315][ T29] ? __pfx___mutex_lock+0x10/0x10 [ 286.351392][ T29] v2_write_dquot+0x189/0x2a0 [ 286.356149][ T29] dquot_commit+0x3cb/0x520 [ 286.360696][ T29] ext4_write_dquot+0x1f2/0x2c0 [ 286.365682][ T29] mark_all_dquot_dirty+0xfd/0x410 [ 286.370839][ T29] dquot_alloc_inode+0x7ea/0xc90 [ 286.375871][ T29] ? dquot_alloc_inode+0x1bf/0xc90 [ 286.381030][ T29] ? __pfx_dquot_alloc_inode+0x10/0x10 [ 286.386596][ T29] ? stack_depot_save_flags+0x37d/0x860 [ 286.392296][ T29] ? srso_return_thunk+0x5/0x5f [ 286.397217][ T29] ? kasan_save_track+0x51/0x80 [ 286.402108][ T29] ? kasan_save_track+0x3f/0x80 [ 286.407067][ T29] ? kasan_save_free_info+0x40/0x50 [ 286.412300][ T29] ? poison_slab_object+0xa6/0xe0 [ 286.417400][ T29] ? __kasan_slab_free+0x37/0x60 [ 286.422382][ T29] ? mb_cache_entry_delete_or_get+0x1d4/0x1f0 [ 286.428550][ T29] ? ext4_xattr_block_set+0x602/0x35e0 [ 286.434130][ T29] ? ext4_xattr_set_handle+0xe54/0x1780 [ 286.439712][ T29] ? ext4_xattr_set+0x241/0x3d0 [ 286.444677][ T29] ext4_xattr_set_entry+0xaf3/0x3fd0 [ 286.450031][ T29] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.456212][ T29] ? srso_return_thunk+0x5/0x5f [ 286.461101][ T29] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.467196][ T29] ? __pfx_ext4_xattr_set_entry+0x10/0x10 [ 286.472971][ T29] ? kasan_quarantine_put+0xdc/0x230 [ 286.478345][ T29] ? srso_return_thunk+0x5/0x5f [ 286.483244][ T29] ? lockdep_hardirqs_on+0x99/0x150 [ 286.488573][ T29] ? srso_return_thunk+0x5/0x5f [ 286.493533][ T29] ? srso_return_thunk+0x5/0x5f [ 286.498400][ T29] ? kmem_cache_free+0x102/0x2b0 [ 286.503350][ T29] ? srso_return_thunk+0x5/0x5f [ 286.508303][ T29] ? mb_cache_entry_delete_or_get+0x1d4/0x1f0 [ 286.514456][ T29] ext4_xattr_block_set+0x6a2/0x35e0 [ 286.519789][ T29] ? srso_return_thunk+0x5/0x5f [ 286.524766][ T29] ? fs_reclaim_acquire+0x93/0x130 [ 286.529939][ T29] ? srso_return_thunk+0x5/0x5f [ 286.534858][ T29] ? bdev_getblk+0x73/0x610 [ 286.539406][ T29] ? __pfx_ext4_xattr_block_set+0x10/0x10 [ 286.545269][ T29] ? srso_return_thunk+0x5/0x5f [ 286.550161][ T29] ? ext4_xattr_block_find+0x468/0x520 [ 286.555748][ T29] ? srso_return_thunk+0x5/0x5f [ 286.560641][ T29] ? ext4_xattr_ibody_set+0xfd/0x340 [ 286.566039][ T29] ext4_xattr_set_handle+0xe54/0x1780 [ 286.571487][ T29] ? __pfx_ext4_xattr_set_handle+0x10/0x10 [ 286.577405][ T29] ? __pfx___dquot_initialize+0x10/0x10 [ 286.583026][ T29] ? srso_return_thunk+0x5/0x5f [ 286.588006][ T29] ? ext4_journal_check_start+0x175/0x250 [ 286.593817][ T29] ? __ext4_journal_start_sb+0x26c/0x5b0 [ 286.599475][ T29] ext4_xattr_set+0x241/0x3d0 [ 286.604281][ T29] ? __pfx_ext4_xattr_set+0x10/0x10 [ 286.609530][ T29] ? evm_protect_xattr+0x4be/0xb30 [ 286.614731][ T29] ? srso_return_thunk+0x5/0x5f [ 286.619654][ T29] ? ext4_xattr_user_set+0xc9/0x110 [ 286.624969][ T29] ? __pfx_ext4_xattr_user_set+0x10/0x10 [ 286.630646][ T29] __vfs_setxattr+0x46a/0x4a0 [ 286.635479][ T29] __vfs_setxattr_noperm+0x12e/0x5e0 [ 286.640835][ T29] vfs_setxattr+0x221/0x430 [ 286.645528][ T29] ? __pfx_vfs_setxattr+0x10/0x10 [ 286.650621][ T29] ? rep_movs_alternative+0x5b/0x70 [ 286.655888][ T29] ? srso_return_thunk+0x5/0x5f [ 286.660784][ T29] ? _copy_from_user+0xa6/0xe0 [ 286.665672][ T29] setxattr+0x25d/0x2f0 [ 286.669888][ T29] ? __pfx_setxattr+0x10/0x10 [ 286.674703][ T29] ? srso_return_thunk+0x5/0x5f [ 286.679598][ T29] ? mnt_get_write_access+0x226/0x2b0 [ 286.685093][ T29] path_setxattr+0x1c0/0x2a0 [ 286.689746][ T29] ? __pfx_path_setxattr+0x10/0x10 [ 286.694936][ T29] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.701304][ T29] ? do_syscall_64+0x10a/0x240 [ 286.706162][ T29] __x64_sys_setxattr+0xbb/0xd0 [ 286.711069][ T29] do_syscall_64+0xfd/0x240 [ 286.715651][ T29] ? srso_return_thunk+0x5/0x5f [ 286.720556][ T29] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 286.726555][ T29] RIP: 0033:0x7f6d8f0fed99 [ 286.730998][ T29] RSP: 002b:00007ffeb0995e48 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc [ 286.739510][ T29] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f6d8f0fed99 [ 286.747600][ T29] RDX: 0000000020000380 RSI: 0000000020000340 RDI: 00000000200002c0 [ 286.755638][ T29] RBP: 00007f6d8f1735f0 R08: 0000000000000000 R09: 000055558a0404c0 [ 286.763697][ T29] R10: 000000000000ffed R11: 0000000000000246 R12: 00007ffeb0995e70 [ 286.771706][ T29] R13: 00007ffeb0996098 R14: 431bde82d7b634db R15: 00007f6d8f14803b [ 286.779816][ T29] [ 286.782867][ T29] [ 286.782867][ T29] Showing all locks held in the system: [ 286.790680][ T29] 1 lock held by khungtaskd/29: [ 286.795695][ T29] #0: ffffffff8e132020 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 286.805694][ T29] 2 locks held by getty/4824: [ 286.810382][ T29] #0: ffff888029efc0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 286.820226][ T29] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 286.830465][ T29] 6 locks held by syz-executor417/5074: [ 286.836111][ T29] #0: ffff8880227c2420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 286.845439][ T29] #1: ffff88807a960e00 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: vfs_setxattr+0x1e1/0x430 [ 286.855793][ T29] #2: ffff88807a960ac8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x26b/0x1780 [ 286.866162][ T29] #3: ffffffff8e291830 (dquot_srcu){.+.+}-{0:0}, at: dquot_alloc_inode+0x1bf/0xc90 [ 286.875696][ T29] #4: ffff88807aac00a8 (&dquot->dq_lock){+.+.}-{3:3}, at: dquot_commit+0x5b/0x520 [ 286.885155][ T29] #5: ffff8880227c2210 (&s->s_dquot.dqio_sem){++++}-{3:3}, at: v2_write_dquot+0x9c/0x2a0 [ 286.895212][ T29] [ 286.897545][ T29] ============================================= [ 286.897545][ T29] [ 286.906047][ T29] NMI backtrace for cpu 0 [ 286.910387][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 286.919840][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 286.929891][ T29] Call Trace: [ 286.933167][ T29] [ 286.936093][ T29] dump_stack_lvl+0x241/0x360 [ 286.940786][ T29] ? __pfx_dump_stack_lvl+0x10/0x10 [ 286.946016][ T29] ? __pfx__printk+0x10/0x10 [ 286.950613][ T29] ? vprintk_emit+0x631/0x770 [ 286.955299][ T29] ? __pfx_vprintk_emit+0x10/0x10 [ 286.960334][ T29] nmi_cpu_backtrace+0x49c/0x4d0 [ 286.965307][ T29] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 286.970767][ T29] ? _printk+0xd5/0x120 [ 286.974942][ T29] ? __pfx__printk+0x10/0x10 [ 286.979557][ T29] ? __wake_up_klogd+0xcc/0x110 [ 286.984413][ T29] ? __pfx__printk+0x10/0x10 [ 286.989008][ T29] ? srso_return_thunk+0x5/0x5f [ 286.993876][ T29] ? __rcu_read_unlock+0xa1/0x110 [ 286.998927][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.004913][ T29] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.010904][ T29] watchdog+0xfb0/0xff0 [ 287.015071][ T29] ? watchdog+0x1ea/0xff0 [ 287.019415][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.024122][ T29] kthread+0x2f2/0x390 [ 287.028200][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.032904][ T29] ? __pfx_kthread+0x10/0x10 [ 287.037501][ T29] ret_from_fork+0x4d/0x80 [ 287.041950][ T29] ? __pfx_kthread+0x10/0x10 [ 287.046545][ T29] ret_from_fork_asm+0x1a/0x30 [ 287.051332][ T29] [ 287.054546][ T29] Sending NMI from CPU 0 to CPUs 1: [ 287.059790][ C1] NMI backtrace for cpu 1 [ 287.059803][ C1] CPU: 1 PID: 11 Comm: kworker/u8:1 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 287.059825][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 287.059839][ C1] Workqueue: events_unbound toggle_allocation_gate [ 287.059875][ C1] RIP: 0010:load_new_mm_cr3+0xbb/0x210 [ 287.059913][ C1] Code: 06 48 8d bc c3 96 d1 03 00 be 08 00 00 00 e8 ec 41 b6 00 48 0f ab ab 96 d1 03 00 f3 0f 1e fa 4c 89 ff e8 38 e9 ff ff 4c 09 f0 1b 01 00 00 f3 0f 1e fa 41 0f b7 cd 81 f9 ff 07 00 00 0f 83 a4 [ 287.059931][ C1] RSP: 0018:ffffc90000107608 EFLAGS: 00000006 [ 287.059948][ C1] RAX: 0000000014c64000 RBX: 0000000000000001 RCX: ffff888016eabc00 [ 287.059964][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 287.059977][ C1] RBP: ffffc90000107730 R08: ffffffff8141ef1c R09: 1ffff1100298d0c4 [ 287.059993][ C1] R10: dffffc0000000000 R11: ffffed100298d0c5 R12: 0000000000000000 [ 287.060009][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888014c64000 [ 287.060030][ C1] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 287.060049][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.060064][ C1] CR2: 000055d97672d600 CR3: 000000000df32000 CR4: 0000000000350ef0 [ 287.060081][ C1] Call Trace: [ 287.060089][ C1] [ 287.060098][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.060125][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 287.060151][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.060177][ C1] ? nmi_handle+0x2a/0x580 [ 287.060211][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.060240][ C1] ? nmi_handle+0x151/0x580 [ 287.060263][ C1] ? nmi_handle+0x2a/0x580 [ 287.060287][ C1] ? load_new_mm_cr3+0xbb/0x210 [ 287.060321][ C1] ? default_do_nmi+0x63/0x160 [ 287.060348][ C1] ? exc_nmi+0x123/0x1f0 [ 287.060374][ C1] ? end_repeat_nmi+0xf/0x53 [ 287.060407][ C1] ? __phys_addr+0xac/0x170 [ 287.060442][ C1] ? load_new_mm_cr3+0xbb/0x210 [ 287.060477][ C1] ? load_new_mm_cr3+0xbb/0x210 [ 287.060514][ C1] ? load_new_mm_cr3+0xbb/0x210 [ 287.060549][ C1] [ 287.060556][ C1] [ 287.060567][ C1] switch_mm_irqs_off+0x7c1/0xae0 [ 287.060609][ C1] ? __pfx_switch_mm_irqs_off+0x10/0x10 [ 287.060644][ C1] ? srso_return_thunk+0x5/0x5f [ 287.060670][ C1] ? walk_to_pmd+0x19b/0x240 [ 287.060704][ C1] ? srso_return_thunk+0x5/0x5f [ 287.060728][ C1] ? rcu_is_watching+0x15/0xb0 [ 287.060754][ C1] __text_poke+0x71a/0xd30 [ 287.060780][ C1] ? __pfx_do_sync_core+0x10/0x10 [ 287.060809][ C1] ? __kmalloc+0x123/0x4a0 [ 287.060831][ C1] ? __pfx_text_poke_memcpy+0x10/0x10 [ 287.060860][ C1] ? __pfx___text_poke+0x10/0x10 [ 287.060885][ C1] ? __kmalloc_node+0x12a/0x4e0 [ 287.060908][ C1] ? srso_return_thunk+0x5/0x5f [ 287.060933][ C1] ? perf_event_text_poke+0x258/0x330 [ 287.060971][ C1] ? __pfx_perf_event_text_poke+0x10/0x10 [ 287.061003][ C1] ? __mutex_trylock_common+0x183/0x2e0 [ 287.061036][ C1] ? __pfx___might_resched+0x10/0x10 [ 287.061068][ C1] ? srso_return_thunk+0x5/0x5f [ 287.061098][ C1] text_poke_bp_batch+0x59c/0xb30 [ 287.061126][ C1] ? srso_return_thunk+0x5/0x5f [ 287.061158][ C1] ? __kmalloc+0x123/0x4a0 [ 287.061179][ C1] ? __pfx_text_poke_bp_batch+0x10/0x10 [ 287.061208][ C1] ? srso_return_thunk+0x5/0x5f [ 287.061236][ C1] ? srso_return_thunk+0x5/0x5f [ 287.061260][ C1] ? arch_jump_label_transform_queue+0x9b/0x100 [ 287.061292][ C1] ? srso_return_thunk+0x5/0x5f [ 287.061320][ C1] ? process_scheduled_works+0x91b/0x1770 [ 287.061344][ C1] text_poke_finish+0x30/0x50 [ 287.061370][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 287.061402][ C1] static_key_enable_cpuslocked+0x136/0x260 [ 287.061429][ C1] static_key_enable+0x1a/0x20 [ 287.061452][ C1] toggle_allocation_gate+0xb5/0x250 [ 287.061485][ C1] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 287.061517][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.061551][ C1] process_scheduled_works+0xa02/0x1770 [ 287.061595][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 287.061624][ C1] ? assign_work+0x364/0x3d0 [ 287.061649][ C1] worker_thread+0x86d/0xd70 [ 287.061683][ C1] ? __kthread_parkme+0x169/0x1d0 [ 287.061711][ C1] ? __pfx_worker_thread+0x10/0x10 [ 287.061735][ C1] kthread+0x2f2/0x390 [ 287.061762][ C1] ? __pfx_worker_thread+0x10/0x10 [ 287.061785][ C1] ? __pfx_kthread+0x10/0x10 [ 287.061813][ C1] ret_from_fork+0x4d/0x80 [ 287.061846][ C1] ? __pfx_kthread+0x10/0x10 [ 287.061873][ C1] ret_from_fork_asm+0x1a/0x30 [ 287.061917][ C1] [ 287.061926][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.135 msecs [ 287.062786][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 287.062801][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 287.062825][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 287.062839][ T29] Call Trace: [ 287.062849][ T29] [ 287.062859][ T29] dump_stack_lvl+0x241/0x360 [ 287.062904][ T29] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.062944][ T29] ? __pfx__printk+0x10/0x10 [ 287.062977][ T29] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.063013][ T29] ? srso_return_thunk+0x5/0x5f [ 287.063042][ T29] ? vscnprintf+0x5d/0x90 [ 287.063074][ T29] panic+0x349/0x860 [ 287.063109][ T29] ? srso_return_thunk+0x5/0x5f [ 287.063139][ T29] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.063171][ T29] ? __pfx_panic+0x10/0x10 [ 287.063204][ T29] ? tick_nohz_tick_stopped+0x82/0xb0 [ 287.063238][ T29] ? srso_return_thunk+0x5/0x5f [ 287.063266][ T29] ? __irq_work_queue_local+0x137/0x3e0 [ 287.063302][ T29] ? srso_return_thunk+0x5/0x5f [ 287.063329][ T29] ? irq_work_queue+0xca/0x150 [ 287.063361][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.063396][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.063432][ T29] ? srso_return_thunk+0x5/0x5f [ 287.063459][ T29] ? nmi_trigger_cpumask_backtrace+0x251/0x320 [ 287.063493][ T29] watchdog+0xfef/0xff0 [ 287.063538][ T29] ? watchdog+0x1ea/0xff0 [ 287.063582][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.063619][ T29] kthread+0x2f2/0x390 [ 287.063651][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.063687][ T29] ? __pfx_kthread+0x10/0x10 [ 287.063719][ T29] ret_from_fork+0x4d/0x80 [ 287.063755][ T29] ? __pfx_kthread+0x10/0x10 [ 287.063786][ T29] ret_from_fork_asm+0x1a/0x30 [ 287.063838][ T29] [ 287.066711][ T29] Kernel Offset: disabled [ 287.691826][ T29] Rebooting in 86400 seconds..