Warning: Permanently added '10.128.0.171' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 33.873783] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 33.907131] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue executing program [ 33.918932] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 33.930311] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 33.944560] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 33.956223] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 33.958469] EXT4-fs error (device loop4): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 34.079349] ------------[ cut here ]------------ [ 34.084278] kernel BUG at fs/ext4/inode.c:2861! [ 34.105370] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 34.110776] Modules linked in: [ 34.114000] CPU: 1 PID: 8034 Comm: syz-executor179 Not tainted 4.14.307-syzkaller #0 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 34.121969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 34.131339] task: ffff8880ac15e600 task.stack: ffff8880b2c20000 [ 34.137632] RIP: 0010:ext4_writepages+0x27fc/0x32a0 [ 34.142654] RSP: 0018:ffff8880b2c27638 EFLAGS: 00010297 [ 34.148063] RAX: ffff8880ac15e600 RBX: 00000000a802c010 RCX: 1ffff1101582bec1 [ 34.155338] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff8880ac15f608 [ 34.162614] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000001c44 [ 34.169894] R10: 0000000000000001 R11: ffff8880ac15e600 R12: 0000000000000001 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 34.177176] R13: dffffc0000000000 R14: ffff88808e33d2b0 R15: ffff8880b2c27a60 [ 34.184471] FS: 00007ff90d9e5700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 34.192712] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.198613] CR2: 00007ffd6ff489b0 CR3: 00000000a238f000 CR4: 00000000003406e0 [ 34.205904] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.213177] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.220450] Call Trace: [ 34.223055] ? rcu_read_lock_sched_held+0x16c/0x1d0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 34.228086] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 34.233545] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.238569] ? ext4_mark_inode_dirty+0x7a0/0x7a0 [ 34.243344] ? __ext4_handle_dirty_metadata+0x120/0x480 [ 34.248722] ? __lock_acquire+0x5fc/0x3f20 [ 34.252966] ? ext4_chunk_trans_blocks+0x30/0x30 [ 34.257730] ? trace_hardirqs_on+0x10/0x10 [ 34.261967] ? ext4_mark_inode_dirty+0x1db/0x7a0 [ 34.266731] ? ext4_expand_extra_isize+0x460/0x460 [ 34.271670] ? ext4_mark_inode_dirty+0x7a0/0x7a0 [ 34.276428] do_writepages+0xc3/0x240 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 34.280234] ? ext4_get_nojournal+0x46/0xa0 [ 34.284579] ? page_writeback_cpu_online+0x10/0x10 [ 34.289546] ? lock_acquire+0x170/0x3f0 [ 34.293526] ? do_raw_spin_unlock+0x164/0x220 [ 34.298024] ? _raw_spin_unlock+0x29/0x40 [ 34.302180] ? wbc_attach_and_unlock_inode+0x5e8/0x8d0 [ 34.307467] __filemap_fdatawrite_range+0x236/0x310 [ 34.312495] ? replace_page_cache_page+0x700/0x700 [ 34.317442] file_write_and_wait_range+0x86/0xd0 [ 34.322205] __generic_file_fsync+0x70/0x190 [ 34.326622] ext4_sync_file+0x8ed/0x12c0 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 34.330687] ? ext4_getfsmap+0x8c0/0x8c0 [ 34.334754] vfs_fsync_range+0x103/0x260 [ 34.338827] ext4_file_write_iter+0x5fa/0xd20 [ 34.343326] ? aa_file_perm+0x304/0xab0 [ 34.347304] ? ext4_file_read_iter+0x330/0x330 [ 34.351894] ? trace_hardirqs_on+0x10/0x10 [ 34.356131] ? iov_iter_init+0xa6/0x1c0 [ 34.360125] __vfs_write+0x44c/0x630 [ 34.363847] ? kernel_read+0x110/0x110 [ 34.367743] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.372760] vfs_write+0x17f/0x4d0 [ 34.376305] SyS_write+0xf2/0x210 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 34.379762] ? SyS_read+0x210/0x210 [ 34.383392] ? do_syscall_64+0x4c/0x640 [ 34.387368] ? SyS_read+0x210/0x210 [ 34.391001] do_syscall_64+0x1d5/0x640 [ 34.395057] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 34.400257] RIP: 0033:0x7ff915d61f89 [ 34.403973] RSP: 002b:00007ff90d9e5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.411682] RAX: ffffffffffffffda RBX: 0000000000000040 RCX: 00007ff915d61f89 [ 34.418953] RDX: 000000000000000c RSI: 00000000200002c0 RDI: 0000000000000004 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program executing program [ 34.426242] RBP: 00007ff915ddf6d0 R08: 00007ff915ddf6d8 R09: 00007ff915ddf6d8 [ 34.433528] R10: 00007ff90d9e5700 R11: 0000000000000246 R12: 00007ff915ddf6dc [ 34.440822] R13: 00007ffd6fe60faf R14: 00007ff90d9e5300 R15: 0000000000022000 [ 34.448109] Code: ff ff 4c 89 ff e8 65 b1 c3 ff e9 98 db ff ff e8 eb ed 99 ff 48 8b bc 24 b8 00 00 00 e8 7e 56 b1 ff e9 18 f5 ff ff e8 d4 ed 99 ff <0f> 0b e8 cd ed 99 ff 48 8b bc 24 b8 00 00 00 e8 60 56 b1 ff 8b [ 34.467350] RIP: ext4_writepages+0x27fc/0x32a0 RSP: ffff8880b2c27638 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 34.774191] ---[ end trace 5000948806bbccde ]--- [ 34.794319] Kernel panic - not syncing: Fatal exception [ 34.800020] Kernel Offset: disabled [ 34.803641] Rebooting in 86400 seconds..