Warning: Permanently added '10.128.0.7' (ECDSA) to the list of known hosts. executing program [ 487.592729] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 717.599853] INFO: task syz-executor158:8075 blocked for more than 140 seconds. [ 717.607302] Not tainted 4.19.211-syzkaller #0 [ 717.613201] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 717.621403] syz-executor158 D26144 8075 8074 0x00000004 [ 717.627022] Call Trace: [ 717.629595] __schedule+0x887/0x2040 [ 717.633646] ? io_schedule_timeout+0x140/0x140 [ 717.638237] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 717.643142] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 717.648247] ? prepare_to_wait_exclusive+0x121/0x2d0 [ 717.653670] schedule+0x8d/0x1b0 [ 717.657037] io_schedule+0xb5/0x120 [ 717.660960] bit_wait_io+0x12/0x90 [ 717.664850] __wait_on_bit_lock+0xb5/0x170 [ 717.669066] ? bit_wait+0x90/0x90 [ 717.672942] out_of_line_wait_on_bit_lock+0xd2/0x100 [ 717.678046] ? __wait_on_bit_lock+0x170/0x170 [ 717.682976] ? lock_acquire+0x170/0x3c0 [ 717.686946] ? init_wait_var_entry+0x1a0/0x1a0 [ 717.691804] __lock_buffer+0x52/0x60 [ 717.695516] __sync_dirty_buffer+0x2a6/0x320 [ 717.700275] __ext4_handle_dirty_metadata+0x234/0x590 [ 717.705468] ext4_convert_inline_data_nolock+0x5c9/0xd10 [ 717.711281] ? ext4_read_inline_page+0x6f0/0x6f0 [ 717.716045] ext4_convert_inline_data+0x347/0x3a0 [ 717.721175] ? ext4_inline_data_truncate+0xa30/0xa30 [ 717.726282] ? common_file_perm+0x4e5/0x850 [ 717.730885] ext4_fallocate+0x137/0x2150 [ 717.735048] ? ext4_insert_range+0x1500/0x1500 [ 717.739612] vfs_fallocate+0x487/0x9a0 [ 717.743785] __x64_sys_fallocate+0xcf/0x140 [ 717.748119] do_syscall_64+0xf9/0x620 [ 717.752202] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.757389] RIP: 0033:0x7f5717681999 [ 717.761356] Code: Bad RIP value. [ 717.764713] RSP: 002b:00007fff79375e48 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 717.772673] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f5717681999 [ 717.780146] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000004 [ 717.787402] RBP: 00007fff79375e70 R08: 00007fff79375ce0 R09: 0000000000000000 [ 717.794906] R10: 0000000000000040 R11: 0000000000000246 R12: 00007fff79375e70 [ 717.802374] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000 [ 717.809651] [ 717.809651] Showing all locks held in the system: [ 717.816238] 1 lock held by khungtaskd/1570: [ 717.820748] #0: 000000000b59733e (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 717.829362] 1 lock held by in:imklog/7800: [ 717.833650] 2 locks held by syz-executor158/8075: [ 717.838654] #0: 000000004cfbb48e (sb_writers#3){.+.+}, at: vfs_fallocate+0x7c0/0x9a0 [ 717.846667] #1: 00000000ccb349c5 (&ei->xattr_sem){++++}, at: ext4_convert_inline_data+0x20a/0x3a0 [ 717.855835] [ 717.857451] ============================================= [ 717.857451] [ 717.864519] NMI backtrace for cpu 1 [ 717.868142] CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 717.875576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 717.884919] Call Trace: [ 717.887498] dump_stack+0x1fc/0x2ef [ 717.891109] nmi_cpu_backtrace.cold+0x63/0xa2 [ 717.895598] ? lapic_can_unplug_cpu+0x80/0x80 [ 717.900082] nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 [ 717.905350] watchdog+0x991/0xe60 [ 717.908793] ? reset_hung_task_detector+0x30/0x30 [ 717.913619] kthread+0x33f/0x460 [ 717.916983] ? kthread_park+0x180/0x180 [ 717.920948] ret_from_fork+0x24/0x30 [ 717.924747] Sending NMI from CPU 1 to CPUs 0: [ 717.929623] NMI backtrace for cpu 0 [ 717.929629] CPU: 0 PID: 4684 Comm: systemd-journal Not tainted 4.19.211-syzkaller #0 [ 717.929635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 717.929640] RIP: 0010:cache_alloc_refill+0x32/0x340 [ 717.929650] Code: 55 41 54 55 53 48 83 ec 20 89 74 24 1c 65 8b 05 b4 7a 6a 7e 4c 8b 37 89 44 24 18 e8 58 20 df 01 89 c0 4c 03 34 c5 00 af cf 89 <41> 8b 76 0c 45 8b 66 08 85 f6 75 0d 41 83 fc 10 b8 10 00 00 00 44 [ 717.929654] RSP: 0018:ffff8880a100fd80 EFLAGS: 00000082 [ 717.929664] RAX: 0000000000000000 RBX: 00000000006000c0 RCX: ffffffff83771e8f [ 717.929669] RDX: 0000000000000000 RSI: ffffffff83771e31 RDI: 0000000000000007 [ 717.929674] RBP: 00000000006000c0 R08: ffffffff8cd233c0 R09: 0000000000000000 [ 717.929679] R10: 0000000000000007 R11: 0000000000000000 R12: ffffe8ffffc02d80 [ 717.929684] R13: ffff88823b843380 R14: ffffe8ffffc02d80 R15: ffff88823b843380 [ 717.929689] FS: 00007f70e89428c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 717.929693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 717.929698] CR2: 00007f70e5c90000 CR3: 00000000a1ab6000 CR4: 00000000003406f0 [ 717.929703] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 717.929708] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 717.929711] Call Trace: [ 717.929714] kmem_cache_alloc+0x346/0x370 [ 717.929718] getname_flags+0xce/0x590 [ 717.929721] do_sys_open+0x26c/0x520 [ 717.929724] ? filp_open+0x70/0x70 [ 717.929729] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 717.929733] ? trace_hardirqs_off_caller+0x6e/0x210 [ 717.929736] ? do_syscall_64+0x21/0x620 [ 717.929740] do_syscall_64+0xf9/0x620 [ 717.929744] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.929747] RIP: 0033:0x7f70e7ed1840 [ 717.929758] Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 [ 717.929762] RSP: 002b:00007ffcfe4ba148 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 717.929771] RAX: ffffffffffffffda RBX: 00007ffcfe4ba450 RCX: 00007f70e7ed1840 [ 717.929776] RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 00005623e9f465e0 [ 717.929780] RBP: 000000000000000d R08: 00000000000001c0 R09: 00000000ffffffff [ 717.929785] R10: 0000000000000030 R11: 0000000000000246 R12: 00000000ffffffff [ 717.929791] R13: 00005623e9f39040 R14: 00007ffcfe4ba410 R15: 00005623e9f466f0 [ 717.930619] Kernel panic - not syncing: hung_task: blocked tasks [ 718.165348] CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 718.172772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 718.182104] Call Trace: [ 718.184677] dump_stack+0x1fc/0x2ef [ 718.188286] panic+0x26a/0x50e [ 718.191458] ? __warn_printk+0xf3/0xf3 [ 718.195326] ? lapic_can_unplug_cpu+0x80/0x80 [ 718.199804] ? ___preempt_schedule+0x16/0x18 [ 718.204197] ? watchdog+0x991/0xe60 [ 718.207806] ? nmi_trigger_cpumask_backtrace+0x15e/0x1f0 [ 718.213238] watchdog+0x9a2/0xe60 [ 718.216674] ? reset_hung_task_detector+0x30/0x30 [ 718.221497] kthread+0x33f/0x460 [ 718.224843] ? kthread_park+0x180/0x180 [ 718.228803] ret_from_fork+0x24/0x30 [ 718.232774] Kernel Offset: disabled [ 718.236473] Rebooting in 86400 seconds..