Warning: Permanently added '10.128.0.160' (ECDSA) to the list of known hosts. executing program [ 487.753799] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 717.385196] INFO: task syz-executor754:8099 blocked for more than 140 seconds. [ 717.392948] Not tainted 4.19.191-syzkaller #0 [ 717.398644] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 717.407206] syz-executor754 D26800 8099 8097 0x00000004 [ 717.412860] Call Trace: [ 717.415637] __schedule+0x887/0x2040 [ 717.419362] ? io_schedule_timeout+0x140/0x140 [ 717.423959] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 717.428759] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 717.433866] ? prepare_to_wait_exclusive+0x121/0x2d0 [ 717.440006] schedule+0x8d/0x1b0 [ 717.443514] io_schedule+0xb5/0x120 [ 717.447435] bit_wait_io+0x12/0x90 [ 717.451060] __wait_on_bit_lock+0xb5/0x170 [ 717.455486] ? bit_wait+0x90/0x90 [ 717.459051] out_of_line_wait_on_bit_lock+0xd2/0x100 [ 717.464142] ? __wait_on_bit_lock+0x170/0x170 [ 717.468813] ? lock_acquire+0x170/0x3c0 [ 717.472806] ? init_wait_var_entry+0x1a0/0x1a0 [ 717.477811] __lock_buffer+0x52/0x60 [ 717.481531] __sync_dirty_buffer+0x2a6/0x320 [ 717.486108] __ext4_handle_dirty_metadata+0x234/0x590 [ 717.491313] ext4_convert_inline_data_nolock+0x5c9/0xd10 [ 717.497051] ? ext4_read_inline_page+0x6f0/0x6f0 [ 717.501815] ext4_convert_inline_data+0x347/0x3a0 [ 717.507009] ? ext4_inline_data_truncate+0xa30/0xa30 [ 717.512118] ext4_punch_hole+0x1e0/0x11f0 [ 717.516454] ext4_fallocate+0x3f8/0x2150 [ 717.520618] ? ext4_insert_range+0x1500/0x1500 [ 717.525696] vfs_fallocate+0x487/0x9a0 [ 717.529687] __x64_sys_fallocate+0xcf/0x140 [ 717.533998] do_syscall_64+0xf9/0x620 [ 717.538125] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.543513] RIP: 0033:0x4448e9 [ 717.546903] Code: Bad RIP value. [ 717.550275] RSP: 002b:00007ffc36af8408 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 717.558150] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00000000004448e9 [ 717.566039] RDX: 0000000000000000 RSI: 0000000100000003 RDI: 0000000000000003 [ 717.573309] RBP: 0000000000000000 R08: 00000000004b0080 R09: 00000000004b0080 [ 717.580632] R10: 00000000008001a0 R11: 0000000000000246 R12: 00007ffc36af8430 [ 717.587981] R13: 0000000000000000 R14: 431bde82d7b634db R15: 00000000004004a0 [ 717.595433] [ 717.595433] Showing all locks held in the system: [ 717.601871] 1 lock held by khungtaskd/1569: [ 717.606252] #0: 00000000ff865745 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 717.614987] 1 lock held by in:imklog/7851: [ 717.619236] #0: 00000000efe8503a (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 [ 717.627305] 3 locks held by syz-executor754/8099: [ 717.632229] #0: 00000000ba6b7646 (sb_writers#3){.+.+}, at: vfs_fallocate+0x7c0/0x9a0 [ 717.640261] #1: 000000002d960d34 (&ei->i_mmap_sem){++++}, at: ext4_punch_hole+0x1d8/0x11f0 [ 717.648991] #2: 0000000068ffe1e9 (&ei->xattr_sem){++++}, at: ext4_convert_inline_data+0x20a/0x3a0 [ 717.658148] [ 717.659771] ============================================= [ 717.659771] [ 717.666854] NMI backtrace for cpu 0 [ 717.670474] CPU: 0 PID: 1569 Comm: khungtaskd Not tainted 4.19.191-syzkaller #0 [ 717.677901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 717.687409] Call Trace: [ 717.689989] dump_stack+0x1fc/0x2ef [ 717.693603] nmi_cpu_backtrace.cold+0x63/0xa2 [ 717.698086] ? lapic_can_unplug_cpu+0x80/0x80 [ 717.702575] nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 [ 717.707878] watchdog+0x991/0xe60 [ 717.711322] ? reset_hung_task_detector+0x30/0x30 [ 717.716144] kthread+0x33f/0x460 [ 717.719512] ? kthread_park+0x180/0x180 [ 717.723479] ret_from_fork+0x24/0x30 [ 717.727302] Sending NMI from CPU 0 to CPUs 1: [ 717.732188] NMI backtrace for cpu 1 [ 717.732193] CPU: 1 PID: 4677 Comm: systemd-journal Not tainted 4.19.191-syzkaller #0 [ 717.732199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 717.732202] RIP: 0010:trace_hardirqs_off+0x69/0x200 [ 717.732211] Code: ff 89 de e8 69 d6 fa ff 85 db 75 14 e8 f0 d4 fa ff 4c 8b 6c 24 28 0f 1f 44 00 00 e8 e1 d4 fa ff e8 dc d4 fa ff 48 8b 7c 24 28 <5b> 5d 41 5c 41 5d 41 5e e9 6a af e3 ff e8 c5 d4 fa ff 65 8b 1d be [ 717.732215] RSP: 0018:ffff8880a1947a88 EFLAGS: 00000093 [ 717.732222] RAX: ffff8880a193c1c0 RBX: 0000000000000000 RCX: ffffffff8167a137 [ 717.732226] RDX: 0000000000000000 RSI: ffffffff8167a154 RDI: ffffffff81a54885 [ 717.732230] RBP: ffff8880a1947b20 R08: ffffffff8cd3d398 R09: 0000000000000000 [ 717.732234] R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000 [ 717.732239] R13: ffffffff81a54885 R14: 0000000000000293 R15: 0000000000000536 [ 717.732243] FS: 00007fe75c2448c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 717.732247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 717.732251] CR2: 00007fe759614000 CR3: 00000000a19d9000 CR4: 00000000001406e0 [ 717.732255] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 717.732260] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 717.732262] Call Trace: [ 717.732265] set_root+0x115/0x5f0 [ 717.732268] ? path_lookupat+0x97/0x8d0 [ 717.732270] path_init+0x1057/0x19d0 [ 717.732273] ? kasan_kmalloc+0x139/0x160 [ 717.732276] path_lookupat+0x97/0x8d0 [ 717.732279] ? prepare_creds+0x39/0x510 [ 717.732282] ? do_faccessat+0x94/0x7a0 [ 717.732285] ? path_mountpoint+0xac0/0xac0 [ 717.732288] ? __lock_acquire+0x6de/0x3ff0 [ 717.732291] ? mark_held_locks+0xf0/0xf0 [ 717.732294] filename_lookup+0x1ac/0x5a0 [ 717.732297] ? filename_parentat+0x590/0x590 [ 717.732300] ? __phys_addr_symbol+0x2c/0x70 [ 717.732303] ? __check_object_size+0x17b/0x3e0 [ 717.732306] ? getname_flags+0x25b/0x590 [ 717.732309] do_faccessat+0x248/0x7a0 [ 717.732312] ? __ia32_sys_fallocate+0x140/0x140 [ 717.732315] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 717.732319] ? trace_hardirqs_off_caller+0x6e/0x210 [ 717.732321] ? do_syscall_64+0x21/0x620 [ 717.732324] do_syscall_64+0xf9/0x620 [ 717.732328] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.732330] RIP: 0033:0x7fe75b4ff9c7 [ 717.732340] Code: 83 c4 08 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d c8 d4 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 15 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 d4 2b 00 f7 d8 64 89 01 48 [ 717.732343] RSP: 002b:00007fff6fb4b468 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 717.732350] RAX: ffffffffffffffda RBX: 00007fff6fb4e490 RCX: 00007fe75b4ff9c7 [ 717.732362] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000556069dc79a3 [ 717.732366] RBP: 00007fff6fb4b5b0 R08: 0000556069dbd3e5 R09: 0000000000000018 [ 717.732370] R10: 0000000000000069 R11: 0000000000000246 R12: 0000000000000000 [ 717.732375] R13: 0000000000000000 R14: 0000556069e4f8a0 R15: 00007fff6fb4baa0 [ 717.733430] Kernel panic - not syncing: hung_task: blocked tasks [ 718.022739] CPU: 0 PID: 1569 Comm: khungtaskd Not tainted 4.19.191-syzkaller #0 [ 718.030161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 718.039496] Call Trace: [ 718.042272] dump_stack+0x1fc/0x2ef [ 718.045880] panic+0x26a/0x50e [ 718.049049] ? __warn_printk+0xf3/0xf3 [ 718.052924] ? lapic_can_unplug_cpu+0x80/0x80 [ 718.057403] ? ___preempt_schedule+0x16/0x18 [ 718.061789] ? watchdog+0x991/0xe60 [ 718.065398] ? nmi_trigger_cpumask_backtrace+0x15e/0x1f0 [ 718.070848] watchdog+0x9a2/0xe60 [ 718.074284] ? reset_hung_task_detector+0x30/0x30 [ 718.079113] kthread+0x33f/0x460 [ 718.082457] ? kthread_park+0x180/0x180 [ 718.086411] ret_from_fork+0x24/0x30 [ 718.091262] Kernel Offset: disabled [ 718.094885] Rebooting in 86400 seconds..