./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4054715236 <...> Warning: Permanently added '10.128.1.102' (ED25519) to the list of known hosts. execve("./syz-executor4054715236", ["./syz-executor4054715236"], 0x7ffd11bbe480 /* 10 vars */) = 0 brk(NULL) = 0x555557304000 brk(0x555557304d00) = 0x555557304d00 arch_prctl(ARCH_SET_FS, 0x555557304380) = 0 set_tid_address(0x555557304650) = 5033 set_robust_list(0x555557304660, 24) = 0 rseq(0x555557304ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4054715236", 4096) = 28 getrandom("\x7f\xf1\x70\x77\x72\x33\x68\xf3", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557304d00 brk(0x555557325d00) = 0x555557325d00 brk(0x555557326000) = 0x555557326000 mprotect(0x7fad2a7ac000, 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, child_tidptr=0x555557304650) = 5034 ./strace-static-x86_64: Process 5034 attached [pid 5034] set_robust_list(0x555557304660, 24) = 0 [pid 5034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5034] setpgid(0, 0) = 0 [pid 5034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5034] write(3, "1000", 4) = 4 [pid 5034] close(3) = 0 [pid 5034] memfd_create("syzkaller", 0) = 3 [pid 5034] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad222e9000 [ 56.525753][ T5034] syz-executor405[5034]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5034] 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"..., 67108864) = 67108864 [pid 5034] munmap(0x7fad222e9000, 67108864) = 0 [pid 5034] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5034] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5034] close(3) = 0 [pid 5034] mkdir("./bus", 0777) = 0 [ 56.965820][ T5034] loop0: detected capacity change from 0 to 131072 [ 57.004170][ T5034] F2FS-fs (loop0): Test dummy encryption mode enabled [ 57.011857][ T5034] F2FS-fs (loop0): invalid crc value [ 57.019628][ T5034] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 5034] mount("/dev/loop0", "./bus", "f2fs", MS_SYNCHRONOUS|MS_I_VERSION, "fastboot,active_logs=4,test_dummy_encryption,disable_ext_identify,resgid=0x0000000000000000,noinline"...) = 0 [pid 5034] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5034] chdir("./bus") = 0 [pid 5034] ioctl(4, LOOP_CLR_FD) = 0 [pid 5034] close(4) = 0 [ 57.066126][ T5034] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4 [pid 5034] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 5034] pwritev2(4, [{iov_base="\x85\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"..., iov_len=584704}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}], 18, 5120, RWF_HIPRI|RWF_DSYNC) = 584704 [pid 5034] ioctl(-1, UFFDIO_REGISTER, NULL) = -1 EBADF (Bad file descriptor) [pid 5034] creat("./bus", 000) = 5 [ 57.119857][ T5034] fscrypt: AES-256-XTS using implementation "xts-aes-aesni" [ 57.129356][ T28] audit: type=1800 audit(1694236079.670:2): pid=5034 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor405" name="bus" dev="loop0" ino=455 res=0 errno=0 [pid 5034] write(5, "\x74\x68\x72\x65\x61\x64\x65\x64\x00\x73\x3d\x32\x2c\x64\x69\x73\x63\x61\x72\x64\x2c\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\x20\x00\x00\x00\x00\x00\xec\x08\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"..., 392007683 [pid 5033] kill(-5034, SIGKILL) = 0 [pid 5033] kill(5034, SIGKILL) = 0 [pid 5033] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5033] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5033] getdents64(3, 0x5555573056f0 /* 2 entries */, 32768) = 48 [pid 5033] getdents64(3, 0x5555573056f0 /* 0 entries */, 32768) = 0 [pid 5033] close(3) = 0 [ 76.070422][ T23] cfg80211: failed to load regulatory.db [ 285.979914][ T29] INFO: task kworker/u4:4:76 blocked for more than 143 seconds. [ 285.987641][ T29] Not tainted 6.5.0-syzkaller-12764-gca9c7abf9502 #0 [ 285.995095][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.003957][ T29] task:kworker/u4:4 state:D stack:23448 pid:76 ppid:2 flags:0x00004000 [ 286.013315][ T29] Workqueue: writeback wb_workfn (flush-7:0) [ 286.019321][ T29] Call Trace: [ 286.022767][ T29] [ 286.025710][ T29] __schedule+0xee1/0x59f0 [ 286.030303][ T29] ? blk_mq_try_issue_list_directly+0x590/0x590 [ 286.036563][ T29] ? rcu_is_watching+0x12/0xb0 [ 286.041502][ T29] ? lock_acquire+0x464/0x510 [ 286.046229][ T29] ? io_schedule_timeout+0x150/0x150 [ 286.051786][ T29] ? __blk_flush_plug+0x2eb/0x430 [ 286.056827][ T29] ? rcu_is_watching+0x12/0xb0 [ 286.061884][ T29] ? rwsem_down_write_slowpath+0x48f/0x1290 [ 286.067928][ T29] ? do_raw_spin_lock+0x12e/0x2b0 [ 286.073143][ T29] ? spin_bug+0x1d0/0x1d0 [ 286.077492][ T29] ? rwsem_spin_on_owner+0x136/0x290 [ 286.082939][ T29] schedule+0xe7/0x1b0 [ 286.087023][ T29] schedule_preempt_disabled+0x13/0x20 [ 286.092796][ T29] rwsem_down_write_slowpath+0x53e/0x1290 [ 286.098567][ T29] ? wb_update_bandwidth+0x9a/0xd0 [ 286.103945][ T29] ? down_timeout+0x90/0x90 [ 286.108482][ T29] ? rcu_is_watching+0x12/0xb0 [ 286.113501][ T29] ? lock_acquire+0x464/0x510 [ 286.118207][ T29] ? lock_sync+0x190/0x190 [ 286.122889][ T29] ? do_writepages+0x383/0x690 [ 286.127699][ T29] ? preempt_count_sub+0x150/0x150 [ 286.133098][ T29] ? lock_sync+0x190/0x190 [ 286.137540][ T29] ? rcu_is_watching+0x12/0xb0 [ 286.142547][ T29] down_write+0x1d3/0x200 [ 286.146905][ T29] ? down_write_killable_nested+0x250/0x250 [ 286.153078][ T29] f2fs_issue_checkpoint+0x186/0x4a0 [ 286.158384][ T29] ? f2fs_destroy_checkpoint_caches+0x30/0x30 [ 286.164711][ T29] ? reacquire_held_locks+0x4b0/0x4b0 [ 286.170300][ T29] ? lock_release+0x4bf/0x680 [ 286.175007][ T29] ? f2fs_sync_dirty_inodes+0x6c8/0x940 [ 286.181038][ T29] ? reacquire_held_locks+0x4b0/0x4b0 [ 286.186445][ T29] ? f2fs_sync_dirty_inodes+0x598/0x940 [ 286.192270][ T29] f2fs_sync_fs+0x317/0x3c0 [ 286.196810][ T29] f2fs_balance_fs_bg+0xce6/0xf60 [ 286.202112][ T29] ? f2fs_abort_atomic_write+0x4e0/0x4e0 [ 286.207780][ T29] ? update_group_capacity+0x9e0/0x9e0 [ 286.213763][ T29] ? rcu_is_watching+0x12/0xb0 [ 286.218554][ T29] f2fs_write_node_pages+0x176/0x7b0 [ 286.224102][ T29] ? find_busiest_group+0x93/0xc80 [ 286.229251][ T29] ? f2fs_sync_node_pages+0x22d0/0x22d0 [ 286.235245][ T29] ? update_sd_lb_stats.constprop.0+0x3f80/0x3f80 [ 286.241883][ T29] ? f2fs_sync_node_pages+0x22d0/0x22d0 [ 286.247462][ T29] do_writepages+0x1b4/0x690 [ 286.252534][ T29] ? writeback_set_ratelimit+0x140/0x140 [ 286.258192][ T29] ? rcu_is_watching+0x12/0xb0 [ 286.263430][ T29] ? lock_release+0x4bf/0x680 [ 286.268135][ T29] ? wbc_attach_and_unlock_inode+0x44d/0x910 [ 286.274418][ T29] ? reacquire_held_locks+0x4b0/0x4b0 [ 286.280113][ T29] ? lock_release+0x4bf/0x680 [ 286.284819][ T29] __writeback_single_inode+0x158/0xe70 [ 286.291054][ T29] ? __mark_inode_dirty+0xd50/0xd50 [ 286.296271][ T29] ? _raw_spin_unlock+0x28/0x40 [ 286.301349][ T29] ? wbc_attach_and_unlock_inode+0x4a3/0x910 [ 286.307355][ T29] writeback_sb_inodes+0x599/0x1010 [ 286.313030][ T29] ? move_expired_inodes+0x2c6/0x850 [ 286.318337][ T29] ? sync_inode_metadata+0xe0/0xe0 [ 286.323927][ T29] ? do_raw_spin_lock+0x12e/0x2b0 [ 286.328978][ T29] ? move_expired_inodes+0x59e/0x850 [ 286.334554][ T29] __writeback_inodes_wb+0xff/0x2d0 [ 286.339958][ T29] ? writeback_sb_inodes+0x1010/0x1010 [ 286.345442][ T29] ? queue_io+0x3ed/0x4e0 [ 286.349780][ T29] wb_writeback+0x7f8/0xa90 [ 286.354604][ T29] ? __writeback_inodes_wb+0x2d0/0x2d0 [ 286.360258][ T29] ? reacquire_held_locks+0x4b0/0x4b0 [ 286.365658][ T29] ? get_nr_dirty_inodes+0x176/0x1e0 [ 286.371257][ T29] wb_workfn+0xa02/0xfd0 [ 286.375522][ T29] ? lock_release+0x4bf/0x680 [ 286.380398][ T29] ? inode_wait_for_writeback+0x30/0x30 [ 286.385980][ T29] ? do_raw_spin_unlock+0x173/0x230 [ 286.391481][ T29] ? rcu_is_watching+0x12/0xb0 [ 286.396274][ T29] ? lock_acquire+0x464/0x510 [ 286.401438][ T29] ? lock_sync+0x190/0x190 [ 286.405897][ T29] ? spin_bug+0x1d0/0x1d0 [ 286.410555][ T29] ? rcu_is_watching+0x12/0xb0 [ 286.415343][ T29] process_one_work+0x887/0x15d0 [ 286.420473][ T29] ? lock_sync+0x190/0x190 [ 286.424913][ T29] ? init_worker_pool+0x770/0x770 [ 286.430366][ T29] ? assign_work+0x1a0/0x240 [ 286.434973][ T29] worker_thread+0x8bb/0x1290 [ 286.439666][ T29] ? __kthread_parkme+0x152/0x220 [ 286.444944][ T29] ? process_one_work+0x15d0/0x15d0 [ 286.450319][ T29] kthread+0x33a/0x430 [ 286.454411][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 286.460294][ T29] ret_from_fork+0x45/0x80 [ 286.464727][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 286.470619][ T29] ret_from_fork_asm+0x11/0x20 [ 286.475414][ T29] [ 286.478548][ T29] INFO: lockdep is turned off. [ 286.483560][ T29] NMI backtrace for cpu 1 [ 286.487890][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-12764-gca9c7abf9502 #0 [ 286.497353][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 286.507414][ T29] Call Trace: [ 286.510696][ T29] [ 286.513629][ T29] dump_stack_lvl+0xd9/0x1b0 [ 286.518236][ T29] nmi_cpu_backtrace+0x277/0x380 [ 286.523191][ T29] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 286.528402][ T29] nmi_trigger_cpumask_backtrace+0x299/0x300 [ 286.534398][ T29] watchdog+0xfac/0x1230 [ 286.538647][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 286.544726][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 286.550724][ T29] kthread+0x33a/0x430 [ 286.554798][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 286.560441][ T29] ret_from_fork+0x45/0x80 [ 286.564867][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 286.570512][ T29] ret_from_fork_asm+0x11/0x20 [ 286.575292][ T29] [ 286.578488][ T29] Sending NMI from CPU 1 to CPUs 0: [ 286.583728][ C0] NMI backtrace for cpu 0 [ 286.583739][ C0] CPU: 0 PID: 5034 Comm: syz-executor405 Not tainted 6.5.0-syzkaller-12764-gca9c7abf9502 #0 [ 286.583754][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 286.583761][ C0] RIP: 0010:__might_sleep+0x34/0x170 [ 286.583789][ C0] Code: 00 fc ff df 41 54 65 4c 8b 24 25 c0 bc 03 00 55 89 f5 53 48 89 fb 49 8d 7c 24 18 48 83 ec 10 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 d7 00 00 00 41 [ 286.583801][ C0] RSP: 0018:ffffc900043deb60 EFLAGS: 00000216 [ 286.583812][ C0] RAX: dffffc0000000000 RBX: ffffffff8a8ca0c0 RCX: 0000000000000000 [ 286.583821][ C0] RDX: 0000000000000000 RSI: 00000000000005ef RDI: ffff888024f91dd8 [ 286.583829][ C0] RBP: 00000000000005ef R08: 0000000000000004 R09: 0000000000000200 [ 286.583836][ C0] R10: 0000000000000001 R11: 0000000000000000 R12: ffff888024f91dc0 [ 286.583844][ C0] R13: dffffc0000000000 R14: ffff88806dcb518f R15: dffffc0000000000 [ 286.583856][ C0] FS: 0000555557304380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 286.583869][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.583878][ C0] CR2: 000055e8a8a49780 CR3: 0000000078fd5000 CR4: 0000000000350ef0 [ 286.583886][ C0] Call Trace: [ 286.583891][ C0] [ 286.583895][ C0] ? show_regs+0x8f/0xa0 [ 286.583911][ C0] ? nmi_cpu_backtrace+0x1d4/0x380 [ 286.583932][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 286.583949][ C0] ? nmi_handle+0x1a8/0x570 [ 286.583964][ C0] ? __might_sleep+0x34/0x170 [ 286.583982][ C0] ? default_do_nmi+0x69/0x160 [ 286.583997][ C0] ? exc_nmi+0x171/0x1e0 [ 286.584009][ C0] ? end_repeat_nmi+0x16/0x31 [ 286.584026][ C0] ? __might_sleep+0x34/0x170 [ 286.584045][ C0] ? __might_sleep+0x34/0x170 [ 286.584064][ C0] ? __might_sleep+0x34/0x170 [ 286.584082][ C0] [ 286.584086][ C0] [ 286.584090][ C0] down_read+0x75/0x470 [ 286.584106][ C0] ? down_write+0x200/0x200 [ 286.584121][ C0] ? f2fs_usable_blks_in_seg+0xf3/0x5b0 [ 286.584137][ C0] ? folio_flags+0x71/0x1f0 [ 286.584152][ C0] do_garbage_collect+0x19fa/0x3fa0 [ 286.584171][ C0] ? rcu_qs+0x40/0xe0 [ 286.584184][ C0] ? rcu_is_watching+0x12/0xb0 [ 286.584197][ C0] ? move_data_block+0x2740/0x2740 [ 286.584214][ C0] ? up_write+0x1b3/0x510 [ 286.584229][ C0] f2fs_gc+0x9f8/0x2140 [ 286.584247][ C0] ? f2fs_start_bidx_of_node+0x40/0x40 [ 286.584261][ C0] ? rcu_is_watching+0x12/0xb0 [ 286.584274][ C0] ? preempt_count_sub+0x150/0x150 [ 286.584295][ C0] ? down_write_killable_nested+0x250/0x250 [ 286.584313][ C0] ? f2fs_balance_fs+0x5c4/0x750 [ 286.584327][ C0] f2fs_balance_fs+0x5c4/0x750 [ 286.584341][ C0] ? f2fs_write_single_data_page+0x141b/0x1aa0 [ 286.584359][ C0] ? has_not_enough_free_secs.constprop.0+0x7d0/0x7d0 [ 286.584374][ C0] ? lock_release+0x4bf/0x680 [ 286.584390][ C0] ? f2fs_write_single_data_page+0x14e9/0x1aa0 [ 286.584407][ C0] ? reacquire_held_locks+0x4b0/0x4b0 [ 286.584424][ C0] ? do_raw_spin_lock+0x12e/0x2b0 [ 286.584442][ C0] ? spin_bug+0x1d0/0x1d0 [ 286.584459][ C0] ? __mem_cgroup_uncharge+0x2d0/0x2d0 [ 286.584474][ C0] ? folio_flags+0x71/0x1f0 [ 286.584488][ C0] f2fs_write_single_data_page+0x141b/0x1aa0 [ 286.584508][ C0] ? f2fs_do_write_data_page+0x1670/0x1670 [ 286.584525][ C0] ? folio_clear_dirty_for_io+0x28d/0x800 [ 286.584541][ C0] ? folio_clear_dirty_for_io+0x112/0x800 [ 286.584554][ C0] f2fs_write_cache_pages+0xcca/0x2030 [ 286.584576][ C0] ? f2fs_write_single_data_page+0x1aa0/0x1aa0 [ 286.584595][ C0] ? rcu_is_watching+0x12/0xb0 [ 286.584607][ C0] ? lock_acquire+0x464/0x510 [ 286.584623][ C0] ? lock_sync+0x190/0x190 [ 286.584641][ C0] ? rcu_is_watching+0x12/0xb0 [ 286.584657][ C0] ? mutex_lock_io_nested+0x11a0/0x11a0 [ 286.584682][ C0] f2fs_write_data_pages+0x9e4/0xe20 [ 286.584701][ C0] ? f2fs_write_cache_pages+0x2030/0x2030 [ 286.584717][ C0] ? rcu_is_watching+0x12/0xb0 [ 286.584731][ C0] ? __up_read+0x1fc/0x750 [ 286.584744][ C0] ? folio_flags+0x71/0x1f0 [ 286.584756][ C0] ? _down_write_nest_lock+0x200/0x200 [ 286.584771][ C0] ? f2fs_write_cache_pages+0x2030/0x2030 [ 286.584788][ C0] do_writepages+0x1b4/0x690 [ 286.584801][ C0] ? writeback_set_ratelimit+0x140/0x140 [ 286.584814][ C0] ? lock_sync+0x190/0x190 [ 286.584829][ C0] ? rcu_is_watching+0x12/0xb0 [ 286.584841][ C0] ? lock_release+0x4bf/0x680 [ 286.584857][ C0] ? do_raw_spin_lock+0x12e/0x2b0 [ 286.584875][ C0] ? do_raw_spin_unlock+0x173/0x230 [ 286.584893][ C0] ? _raw_spin_unlock+0x28/0x40 [ 286.584910][ C0] ? wbc_attach_and_unlock_inode+0x4a3/0x910 [ 286.584925][ C0] filemap_fdatawrite_wbc+0x144/0x1b0 [ 286.584940][ C0] __filemap_fdatawrite_range+0xba/0x100 [ 286.584955][ C0] ? delete_from_page_cache_batch+0xb40/0xb40 [ 286.584971][ C0] ? f2fs_write_failed+0x170/0x1b0 [ 286.584992][ C0] file_write_and_wait_range+0xcc/0x140 [ 286.585008][ C0] f2fs_do_sync_file+0x2d2/0x1ff0 [ 286.585023][ C0] ? redirty_blocks.isra.0+0x4a0/0x4a0 [ 286.585038][ C0] ? reacquire_held_locks+0x4b0/0x4b0 [ 286.585057][ C0] f2fs_sync_file+0x140/0x1a0 [ 286.585069][ C0] ? f2fs_do_sync_file+0x1ff0/0x1ff0 [ 286.585081][ C0] vfs_fsync_range+0x141/0x220 [ 286.585097][ C0] f2fs_file_write_iter+0x133c/0x2410 [ 286.585112][ C0] ? lock_acquire+0x464/0x510 [ 286.585129][ C0] ? f2fs_setattr+0x1d40/0x1d40 [ 286.585142][ C0] ? preempt_count_sub+0x150/0x150 [ 286.585163][ C0] vfs_write+0x650/0xe40 [ 286.585178][ C0] ? kernel_write+0x6c0/0x6c0 [ 286.585192][ C0] ? rcu_is_watching+0x12/0xb0 [ 286.585205][ C0] ? reacquire_held_locks+0x4b0/0x4b0 [ 286.585222][ C0] ? __fget_light+0x1fc/0x260 [ 286.585236][ C0] ksys_write+0x12f/0x250 [ 286.585249][ C0] ? __ia32_sys_read+0xb0/0xb0 [ 286.585262][ C0] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.585279][ C0] ? ptrace_notify+0xf4/0x130 [ 286.585293][ C0] do_syscall_64+0x38/0xb0 [ 286.585305][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 286.585319][ C0] RIP: 0033:0x7fad2a727fd9 [ 286.585330][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 [ 286.585341][ C0] RSP: 002b:00007ffdc65c7438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 286.585353][ C0] RAX: ffffffffffffffda RBX: 6c5f657669746361 RCX: 00007fad2a727fd9 [ 286.585361][ C0] RDX: 00000000175d9003 RSI: 0000000020000200 RDI: 0000000000000005 [ 286.585369][ C0] RBP: 656e696c6e696f6e R08: 0000000000000003 R09: 00005555573054c0 [ 286.585377][ C0] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fad2a771082 [ 286.585385][ C0] R13: 00007ffdc65c7688 R14: 431bde82d7b634db R15: 00007fad2a77103b [ 286.585397][ C0] [ 286.585401][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.673 msecs [ 286.586503][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 286.586512][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-12764-gca9c7abf9502 #0 [ 286.586530][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 286.586538][ T29] Call Trace: [ 286.586543][ T29] [ 286.586548][ T29] dump_stack_lvl+0xd9/0x1b0 [ 286.586577][ T29] panic+0x6a6/0x750 [ 286.586598][ T29] ? panic_smp_self_stop+0xa0/0xa0 [ 286.586617][ T29] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 286.586638][ T29] ? preempt_schedule_thunk+0x1a/0x30 [ 286.586663][ T29] ? watchdog+0xd63/0x1230 [ 286.586680][ T29] watchdog+0xd74/0x1230 [ 286.586696][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 286.586714][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 286.586729][ T29] kthread+0x33a/0x430 [ 286.586746][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 286.586764][ T29] ret_from_fork+0x45/0x80 [ 286.586782][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 286.586800][ T29] ret_from_fork_asm+0x11/0x20 [ 286.586825][ T29] [ 286.591109][ T29] Kernel Offset: disabled [ 287.355775][ T29] Rebooting in 86400 seconds..