[ OK ] Started Getty on tty1. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.35' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 35.651864] FAULT_INJECTION: forcing a failure. [ 35.651864] name failslab, interval 1, probability 0, space 0, times 1 [ 35.663364] CPU: 1 PID: 8120 Comm: syz-executor692 Not tainted 4.19.211-syzkaller #0 [ 35.671252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.680609] Call Trace: [ 35.683207] dump_stack+0x1fc/0x2ef [ 35.686836] should_fail.cold+0xa/0xf [ 35.690624] ? setup_fault_attr+0x200/0x200 [ 35.694934] __should_failslab+0x115/0x180 [ 35.699158] should_failslab+0x5/0x10 [ 35.702946] kmem_cache_alloc+0x3f/0x370 [ 35.706990] ? mempool_alloc+0x350/0x350 [ 35.711031] mempool_alloc+0x146/0x350 [ 35.714914] ? mempool_resize+0x790/0x790 [ 35.719057] ? __lock_acquire+0x6de/0x3ff0 [ 35.723276] ? sb_mark_inode_writeback+0xc8/0x490 [ 35.728104] bio_alloc_bioset+0x389/0x5e0 [ 35.732235] ? lock_downgrade+0x720/0x720 [ 35.736366] ? bvec_alloc+0x2f0/0x2f0 [ 35.740156] submit_bh_wbc+0x141/0x760 [ 35.744028] __block_write_full_page+0x71a/0xf60 [ 35.748766] ? block_llseek+0xc0/0xc0 [ 35.752554] block_write_full_page+0x1f3/0x260 [ 35.757380] ? block_llseek+0xc0/0xc0 [ 35.761167] __writepage+0x5e/0xe0 [ 35.764693] write_cache_pages+0x802/0x12d0 [ 35.769050] ? tag_pages_for_writeback+0x2f0/0x2f0 [ 35.773972] ? clear_page_dirty_for_io+0xee0/0xee0 [ 35.778893] ? __lock_acquire+0x6de/0x3ff0 [ 35.783112] ? blkdev_readpages+0x30/0x30 [ 35.787252] generic_writepages+0xdb/0x150 [ 35.791480] ? dirty_poll_interval.part.0+0x30/0x30 [ 35.796480] ? mark_held_locks+0xf0/0xf0 [ 35.800526] ? add_lock_to_list.constprop.0+0x17d/0x330 [ 35.805888] ? __lock_acquire+0x6de/0x3ff0 [ 35.810109] do_writepages+0xe5/0x290 [ 35.813905] ? page_writeback_cpu_online+0x10/0x10 [ 35.818830] ? do_raw_spin_unlock+0x171/0x230 [ 35.823309] ? _raw_spin_unlock+0x29/0x40 [ 35.827463] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 35.832726] __filemap_fdatawrite_range+0x27d/0x350 [ 35.837730] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 35.843079] ? iput+0xc9/0x860 [ 35.846263] iterate_bdevs+0x118/0x290 [ 35.850136] ? fdatawait_one_bdev+0x60/0x60 [ 35.854437] ksys_sync+0xb6/0x150 [ 35.857871] ? vfs_fsync+0x1f0/0x1f0 [ 35.861570] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 35.866920] ? trace_hardirqs_off_caller+0x6e/0x210 [ 35.871946] ? do_syscall_64+0x21/0x620 [ 35.875906] __ia32_sys_sync+0xa/0x10 [ 35.879687] do_syscall_64+0xf9/0x620 [ 35.883473] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.888647] RIP: 0033:0x7f5468950019 [ 35.892366] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 35.911256] RSP: 002b:00007ffc17e619a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 35.918952] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5468950019 [ 35.926204] RDX: 00000000000009c0 RSI: 000000000000fbfe RDI: 00007ffc17e619c0 [ 35.933458] RBP: 00007ffc17e619c0 R08: 0000000000000001 R09: 0000000000000001 [ 35.940715] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 35.947972] R13: 00007ffc17e619e0 R14: 00007ffc17e619bc R15: 00007ffc17e619d0 [ 35.959131] FAULT_INJECTION: forcing a failure. [ 35.959131] name failslab, interval 1, probability 0, space 0, times 0 [ 35.972462] CPU: 1 PID: 8115 Comm: syz-executor692 Not tainted 4.19.211-syzkaller #0 [ 35.980348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.986783] BTRFS: device fsid f90cac8b-044b-4fa8-8bee-4b8d3da88dc2 devid 1 transid 7 /dev/loop4 [ 35.989694] Call Trace: [ 35.989715] dump_stack+0x1fc/0x2ef [ 35.989733] should_fail.cold+0xa/0xf [ 35.989749] ? setup_fault_attr+0x200/0x200 [ 35.989765] ? __lock_acquire+0x6de/0x3ff0 [ 35.989784] __should_failslab+0x115/0x180 [ 36.021414] should_failslab+0x5/0x10 [ 36.025222] kmem_cache_alloc+0x3f/0x370 [ 36.029275] ? mempool_alloc+0x350/0x350 [ 36.033322] mempool_alloc+0x146/0x350 [ 36.037199] ? mempool_resize+0x790/0x790 [ 36.041338] ? __lock_acquire+0x6de/0x3ff0 [ 36.045563] ? sb_mark_inode_writeback+0xc8/0x490 [ 36.050398] bio_alloc_bioset+0x389/0x5e0 [ 36.054539] ? lock_downgrade+0x720/0x720 [ 36.058672] ? bvec_alloc+0x2f0/0x2f0 [ 36.062465] submit_bh_wbc+0x141/0x760 [ 36.066346] __block_write_full_page+0x71a/0xf60 [ 36.071091] ? block_llseek+0xc0/0xc0 [ 36.074880] block_write_full_page+0x1f3/0x260 [ 36.079447] ? block_llseek+0xc0/0xc0 [ 36.083236] __writepage+0x5e/0xe0 [ 36.086766] write_cache_pages+0x802/0x12d0 [ 36.091095] ? tag_pages_for_writeback+0x2f0/0x2f0 [ 36.096034] ? clear_page_dirty_for_io+0xee0/0xee0 [ 36.100964] ? __lock_acquire+0x6de/0x3ff0 [ 36.105196] ? __lock_acquire+0x6de/0x3ff0 [ 36.109427] ? mark_held_locks+0xf0/0xf0 [ 36.113478] ? _raw_spin_unlock_irq+0x24/0x80 [ 36.117964] ? blkdev_readpages+0x30/0x30 [ 36.122102] generic_writepages+0xdb/0x150 [ 36.126326] ? dirty_poll_interval.part.0+0x30/0x30 [ 36.131330] ? mark_held_locks+0xf0/0xf0 [ 36.135378] ? __schedule+0x88f/0x2040 [ 36.139252] ? __mutex_lock+0x35e/0x1190 [ 36.143305] do_writepages+0xe5/0x290 [ 36.147094] ? page_writeback_cpu_online+0x10/0x10 [ 36.152016] ? do_raw_spin_unlock+0x171/0x230 [ 36.156499] ? _raw_spin_unlock+0x29/0x40 [ 36.160637] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 36.165902] __filemap_fdatawrite_range+0x27d/0x350 [ 36.170905] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 36.176260] ? iput+0xc9/0x860 [ 36.179446] iterate_bdevs+0x118/0x290 [ 36.183319] ? fdatawait_one_bdev+0x60/0x60 [ 36.187626] ksys_sync+0xb6/0x150 [ 36.191064] ? vfs_fsync+0x1f0/0x1f0 [ 36.194765] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 36.200118] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.205124] ? do_syscall_64+0x21/0x620 [ 36.209084] __ia32_sys_sync+0xa/0x10 [ 36.212869] do_syscall_64+0xf9/0x620 [ 36.216677] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.221870] RIP: 0033:0x7f5468950019 [ 36.225579] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 36.244467] RSP: 002b:00007ffc17e619a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 36.252162] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5468950019 [ 36.259415] RDX: 00000000000009c0 RSI: 000000000000fbfe RDI: 00007ffc17e619c0 [ 36.266676] RBP: 00007ffc17e619c0 R08: 0000000000000001 R09: 0000000000000001 [ 36.273932] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 36.281296] R13: 00007ffc17e619e0 R14: 00007ffc17e619bc R15: 00007ffc17e619d0 [ 36.292213] FAULT_INJECTION: forcing a failure. [ 36.292213] name failslab, interval 1, probability 0, space 0, times 0 [ 36.303755] CPU: 1 PID: 8116 Comm: syz-executor692 Not tainted 4.19.211-syzkaller #0 [ 36.311648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.321013] Call Trace: [ 36.323615] dump_stack+0x1fc/0x2ef [ 36.327251] should_fail.cold+0xa/0xf [ 36.331062] ? __lock_acquire+0x22f9/0x3ff0 [ 36.335398] ? setup_fault_attr+0x200/0x200 [ 36.339747] __should_failslab+0x115/0x180 [ 36.343998] should_failslab+0x5/0x10 [ 36.347808] kmem_cache_alloc+0x3f/0x370 [ 36.351864] ? mempool_alloc+0x350/0x350 [ 36.355913] mempool_alloc+0x146/0x350 [ 36.359792] ? mempool_resize+0x790/0x790 [ 36.363932] ? percpu_counter_add_batch+0x107/0x180 [ 36.368944] bio_alloc_bioset+0x389/0x5e0 [ 36.373083] ? lock_downgrade+0x720/0x720 [ 36.377216] ? bvec_alloc+0x2f0/0x2f0 [ 36.381014] submit_bh_wbc+0x141/0x760 [ 36.384893] __block_write_full_page+0x71a/0xf60 [ 36.389637] ? block_llseek+0xc0/0xc0 [ 36.393436] block_write_full_page+0x1f3/0x260 [ 36.398004] ? block_llseek+0xc0/0xc0 [ 36.401795] __writepage+0x5e/0xe0 [ 36.405326] write_cache_pages+0x802/0x12d0 [ 36.409640] ? tag_pages_for_writeback+0x2f0/0x2f0 [ 36.414562] ? clear_page_dirty_for_io+0xee0/0xee0 [ 36.419479] ? __lock_acquire+0x6de/0x3ff0 [ 36.423704] ? __lock_acquire+0x6de/0x3ff0 [ 36.427931] ? mark_held_locks+0xf0/0xf0 [ 36.431981] ? _raw_spin_unlock_irq+0x24/0x80 [ 36.436467] ? blkdev_readpages+0x30/0x30 [ 36.440604] generic_writepages+0xdb/0x150 [ 36.444828] ? dirty_poll_interval.part.0+0x30/0x30 [ 36.449829] ? mark_held_locks+0xf0/0xf0 [ 36.453878] ? __schedule+0x88f/0x2040 [ 36.457752] ? __mutex_lock+0x35e/0x1190 [ 36.461805] do_writepages+0xe5/0x290 [ 36.465597] ? page_writeback_cpu_online+0x10/0x10 [ 36.470523] ? do_raw_spin_unlock+0x171/0x230 [ 36.475006] ? _raw_spin_unlock+0x29/0x40 [ 36.479142] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 36.484407] __filemap_fdatawrite_range+0x27d/0x350 [ 36.489421] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 36.494779] ? iput+0xc9/0x860 [ 36.497960] iterate_bdevs+0x118/0x290 [ 36.501835] ? fdatawait_one_bdev+0x60/0x60 [ 36.506145] ksys_sync+0xb6/0x150 [ 36.509932] ? vfs_fsync+0x1f0/0x1f0 [ 36.513636] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 36.518989] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.523992] ? do_syscall_64+0x21/0x620 [ 36.527959] __ia32_sys_sync+0xa/0x10 [ 36.531748] do_syscall_64+0xf9/0x620 [ 36.535540] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.540716] RIP: 0033:0x7f5468950019 [ 36.544419] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 36.563307] RSP: 002b:00007ffc17e619a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 36.571001] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5468950019 [ 36.578257] RDX: 00000000000009c0 RSI: 000000000000fbfe RDI: 00007ffc17e619c0 [ 36.585510] RBP: 00007ffc17e619c0 R08: 0000000000000001 R09: 0000000000000001 [ 36.592766] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 36.600023] R13: 00007ffc17e619e0 R14: 00007ffc17e619bc R15: 00007ffc17e619d0 [ 36.618715] FAULT_INJECTION: forcing a failure. [ 36.618715] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 36.619474] FAULT_INJECTION: forcing a failure. [ 36.619474] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 36.630978] CPU: 1 PID: 8110 Comm: syz-executor692 Not tainted 4.19.211-syzkaller #0 [ 36.642577] FAULT_INJECTION: forcing a failure. [ 36.642577] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 36.650369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.650374] Call Trace: [ 36.650394] dump_stack+0x1fc/0x2ef [ 36.650420] should_fail.cold+0xa/0xf [ 36.681495] ? lock_acquire+0x170/0x3c0 [ 36.685639] ? setup_fault_attr+0x200/0x200 [ 36.689964] __alloc_pages_nodemask+0x239/0x2890 [ 36.694721] ? lock_downgrade+0x720/0x720 [ 36.698867] ? check_preemption_disabled+0x41/0x280 [ 36.703891] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 36.708730] ? check_preemption_disabled+0x41/0x280 [ 36.713741] ? trace_hardirqs_off+0x64/0x200 [ 36.718144] ? try_to_wake_up+0x733/0x1050 [ 36.722373] ? __lock_acquire+0x6de/0x3ff0 [ 36.726610] alloc_pages_current+0x193/0x2a0 [ 36.731011] ? try_to_wake_up+0x733/0x1050 [ 36.735238] get_zeroed_page+0x10/0x40 [ 36.739113] __pud_alloc+0x33/0x240 [ 36.742734] __handle_mm_fault+0x1352/0x41c0 [ 36.747136] ? vm_insert_page+0x9c0/0x9c0 [ 36.751285] ? handle_mm_fault+0x7b7/0xb10 [ 36.755518] ? handle_mm_fault+0x3ce/0xb10 [ 36.759745] handle_mm_fault+0x436/0xb10 [ 36.763802] __do_page_fault+0x68e/0xd60 [ 36.767861] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.772870] ? spurious_fault+0x840/0x840 [ 36.777009] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.781847] ? page_fault+0x8/0x30 [ 36.785377] page_fault+0x1e/0x30 [ 36.788819] RIP: 0033:0x7f5468904b29 [ 36.792522] Code: 1d f7 ff ff 48 39 c3 0f 85 4e ff ff ff bf a2 00 00 00 31 c0 e8 e8 b4 04 00 48 8d 35 11 79 08 00 48 b8 2e 2f 66 69 6c 65 30 00 04 25 00 00 00 20 62 74 72 66 48 89 04 25 00 01 00 20 b8 00 00 [ 36.811409] RSP: 002b:00007ffc17e619b0 EFLAGS: 00010217 [ 36.816758] RAX: 0030656c69662f2e RBX: 0000000000000001 RCX: 00007f5468950019 [ 36.824014] RDX: 00000000000009c0 RSI: 00007f546898c430 RDI: 00007ffc17e619c0 [ 36.831272] RBP: 00007ffc17e619c0 R08: 0000000000000001 R09: 0000000000000001 [ 36.838533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 36.845791] R13: 00007ffc17e619e0 R14: 00007ffc17e619bc R15: 00007ffc17e619d0 [ 36.853069] CPU: 0 PID: 8118 Comm: syz-executor692 Not tainted 4.19.211-syzkaller #0 [ 36.860272] BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 7 scanned by syz-executor692 (8115) [ 36.861126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.861132] Call Trace: [ 36.861153] dump_stack+0x1fc/0x2ef [ 36.861173] should_fail.cold+0xa/0xf [ 36.861187] ? lock_acquire+0x170/0x3c0 [ 36.861205] ? setup_fault_attr+0x200/0x200 [ 36.873328] syz-executor692 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 [ 36.882299] __alloc_pages_nodemask+0x239/0x2890 [ 36.882321] ? find_get_pages_range_tag+0x654/0xc50 [ 36.882339] ? mark_held_locks+0xf0/0xf0 [ 36.882351] ? lock_downgrade+0x720/0x720 [ 36.882369] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 36.882387] ? try_to_wake_up+0x733/0x1050 [ 36.882408] ? __lock_acquire+0x6de/0x3ff0 [ 36.885708] syz-executor692 cpuset=/ mems_allowed=0-1 [ 36.888667] alloc_pages_current+0x193/0x2a0 [ 36.888682] ? try_to_wake_up+0x733/0x1050 [ 36.888698] get_zeroed_page+0x10/0x40 [ 36.888711] __pud_alloc+0x33/0x240 [ 36.888726] __handle_mm_fault+0x1352/0x41c0 [ 36.888743] ? vm_insert_page+0x9c0/0x9c0 [ 36.888769] ? check_preemption_disabled+0x41/0x280 [ 36.976665] handle_mm_fault+0x436/0xb10 [ 36.980730] __do_page_fault+0x68e/0xd60 [ 36.984790] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.989801] ? spurious_fault+0x840/0x840 [ 36.993947] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.998792] ? page_fault+0x8/0x30 [ 37.002323] page_fault+0x1e/0x30 [ 37.005766] RIP: 0033:0x7f5468904b29 [ 37.009471] Code: 1d f7 ff ff 48 39 c3 0f 85 4e ff ff ff bf a2 00 00 00 31 c0 e8 e8 b4 04 00 48 8d 35 11 79 08 00 48 b8 2e 2f 66 69 6c 65 30 00 04 25 00 00 00 20 62 74 72 66 48 89 04 25 00 01 00 20 b8 00 00 [ 37.028366] RSP: 002b:00007ffc17e619b0 EFLAGS: 00010217 [ 37.033723] RAX: 0030656c69662f2e RBX: 0000000000000001 RCX: 00007f5468950019 [ 37.040981] RDX: 00000000000009c0 RSI: 00007f546898c430 RDI: 00007ffc17e619c0 [ 37.048241] RBP: 00007ffc17e619c0 R08: 0000000000000001 R09: 0000000000000001 [ 37.055499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 37.062756] R13: 00007ffc17e619e0 R14: 00007ffc17e619bc R15: 00007ffc17e619d0 [ 37.070031] CPU: 1 PID: 8110 Comm: syz-executor692 Not tainted 4.19.211-syzkaller #0 [ 37.077918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.087270] Call Trace: [ 37.089865] dump_stack+0x1fc/0x2ef [ 37.093507] dump_header+0x15d/0xc3f [ 37.097224] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 37.102323] ? ___ratelimit+0x319/0x590 [ 37.106289] oom_kill_process.cold+0x10/0x692 [ 37.110784] ? check_preemption_disabled+0x41/0x280 [ 37.115818] ? has_intersects_mems_allowed+0x1d6/0x290 [ 37.121107] out_of_memory+0x1072/0x1390 [ 37.125184] ? lock_acquire+0x170/0x3c0 [ 37.129168] ? oom_killer_disable+0x270/0x270 [ 37.133667] ? mutex_trylock+0x15f/0x1a0 [ 37.137724] pagefault_out_of_memory+0x102/0x120 [ 37.142481] ? out_of_memory+0x1390/0x1390 [ 37.146723] ? lock_downgrade+0x720/0x720 [ 37.150870] mm_fault_error+0x106/0x390 [ 37.154838] __do_page_fault+0xc34/0xd60 [ 37.158896] ? trace_hardirqs_off_caller+0x6e/0x210 [ 37.163904] ? spurious_fault+0x840/0x840 [ 37.168042] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.172876] ? page_fault+0x8/0x30 [ 37.177132] page_fault+0x1e/0x30 [ 37.180600] RIP: 0033:0x7f5468904b29 [ 37.184316] Code: 1d f7 ff ff 48 39 c3 0f 85 4e ff ff ff bf a2 00 00 00 31 c0 e8 e8 b4 04 00 48 8d 35 11 79 08 00 48 b8 2e 2f 66 69 6c 65 30 00 04 25 00 00 00 20 62 74 72 66 48 89 04 25 00 01 00 20 b8 00 00 [ 37.203218] RSP: 002b:00007ffc17e619b0 EFLAGS: 00010217 [ 37.208578] RAX: 0030656c69662f2e RBX: 0000000000000001 RCX: 00007f5468950019 [ 37.215854] RDX: 00000000000009c0 RSI: 00007f546898c430 RDI: 00007ffc17e619c0 [ 37.223114] RBP: 00007ffc17e619c0 R08: 0000000000000001 R09: 0000000000000001 [ 37.230372] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 37.237632] R13: 00007ffc17e619e0 R14: 00007ffc17e619bc R15: 00007ffc17e619d0 [ 37.244911] CPU: 0 PID: 8119 Comm: syz-executor692 Not tainted 4.19.211-syzkaller #0 [ 37.252174] Mem-Info: [ 37.252800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.255394] active_anon:4272 inactive_anon:4875 isolated_anon:0 [ 37.255394] active_file:5242 inactive_file:10232 isolated_file:0 [ 37.255394] unevictable:0 dirty:22 writeback:0 unstable:0 [ 37.255394] slab_reclaimable:16131 slab_unreclaimable:113233 [ 37.255394] mapped:3727 shmem:5100 pagetables:431 bounce:0 [ 37.255394] free:1530703 free_pcp:192 free_cma:0 [ 37.264537] Call Trace: [ 37.264559] dump_stack+0x1fc/0x2ef [ 37.264579] should_fail.cold+0xa/0xf [ 37.264595] ? lock_acquire+0x170/0x3c0 [ 37.264608] ? setup_fault_attr+0x200/0x200 [ 37.264630] __alloc_pages_nodemask+0x239/0x2890 [ 37.264644] ? lock_downgrade+0x720/0x720 [ 37.264677] ? check_preemption_disabled+0x41/0x280 [ 37.298855] Node 0 active_anon:17088kB inactive_anon:19500kB active_file:20852kB inactive_file:40928kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:14908kB dirty:88kB writeback:0kB shmem:20400kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 37.300834] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 37.300858] ? check_preemption_disabled+0x41/0x280 [ 37.300873] ? trace_hardirqs_off+0x64/0x200 [ 37.300897] ? try_to_wake_up+0x733/0x1050 [ 37.304652] Node 1 active_anon:0kB inactive_anon:0kB active_file:116kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 37.308298] ? __lock_acquire+0x6de/0x3ff0 [ 37.308324] alloc_pages_current+0x193/0x2a0 [ 37.308339] ? try_to_wake_up+0x733/0x1050 [ 37.308352] get_zeroed_page+0x10/0x40 [ 37.308364] __pud_alloc+0x33/0x240 [ 37.308379] __handle_mm_fault+0x1352/0x41c0 [ 37.308397] ? vm_insert_page+0x9c0/0x9c0 [ 37.313114] Node 0 DMA free:15908kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 37.316677] ? check_preemption_disabled+0x41/0x280 [ 37.316697] handle_mm_fault+0x436/0xb10 [ 37.316717] __do_page_fault+0x68e/0xd60 [ 37.316736] ? trace_hardirqs_off_caller+0x6e/0x210 [ 37.321851] lowmem_reserve[]: 0 2693 2695 2695 2695 [ 37.325602] ? spurious_fault+0x840/0x840 [ 37.325617] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.325636] ? page_fault+0x8/0x30 [ 37.325650] page_fault+0x1e/0x30 [ 37.325662] RIP: 0033:0x7f5468904b29 [ 37.331019] Node 0 DMA32 free:2067452kB min:35996kB low:44992kB high:53988kB active_anon:17088kB inactive_anon:19500kB active_file:20852kB inactive_file:40928kB unevictable:0kB writepending:88kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7040kB pagetables:1724kB bounce:0kB free_pcp:752kB local_pcp:484kB free_cma:0kB [ 37.358664] Code: 1d f7 ff ff 48 39 c3 0f 85 4e ff ff ff bf a2 00 00 00 31 c0 e8 e8 b4 04 00 48 8d 35 11 79 08 00 48 b8 2e 2f 66 69 6c 65 30 00 04 25 00 00 00 20 62 74 72 66 48 89 04 25 00 01 00 20 b8 00 00 [ 37.358671] RSP: 002b:00007ffc17e619b0 EFLAGS: 00010217 [ 37.358681] RAX: 0030656c69662f2e RBX: 0000000000000001 RCX: 00007f5468950019 [ 37.358688] RDX: 00000000000009c0 RSI: 00007f546898c430 RDI: 00007ffc17e619c0 [ 37.358696] RBP: 00007ffc17e619c0 R08: 0000000000000001 R09: 0000000000000001 [ 37.358703] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 37.358710] R13: 00007ffc17e619e0 R14: 00007ffc17e619bc R15: 00007ffc17e619d0 [ 37.591630] lowmem_reserve[]: 0 0 1 1 1 [ 37.600651] Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 37.603005] BTRFS warning (device ): duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor692 (8116) [ 37.626666] lowmem_reserve[]: 0 0 0 0 0 [ 37.641063] BTRFS info (device loop4): disabling disk space caching executing program [ 37.642660] Node 1 Normal free:4039444kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:116kB inactive_file:0kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 37.651052] BTRFS info (device loop4): has skinny extents [ 37.677877] lowmem_reserve[]: 0 0 0 0 0 [ 37.687062] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB executing program [ 37.706159] BTRFS warning (device ): duplicate device /dev/loop3 devid 1 generation 7 scanned by systemd-udevd (8144) [ 37.716457] Node 0 DMA32: 844*4kB (U) 2*8kB (UM) 153*16kB (UE) 104*32kB (UM) 24*64kB (UE) 7*128kB (UE) 6*256kB (UM) 2*512kB (UM) 1*1024kB (M) 3*2048kB (UM) 499*4096kB (M) = 2065232kB [ 37.737651] Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB [ 37.749015] Node 1 Normal: 93*4kB (UME) 396*8kB (UE) 286*16kB (UME) 75*32kB (UME) 28*64kB (UME) 20*128kB (UME) 13*256kB (UME) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 980*4096kB (M) = 4039444kB [ 37.766530] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 37.775791] BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 7 scanned by syz-executor692 (8118) [ 37.784397] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 37.789392] BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 7 scanned by syz-executor692 (8119) executing program executing program [ 37.796675] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 37.817240] BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 7 scanned by systemd-udevd (8150) [ 37.819187] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 37.833046] BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 7 scanned by systemd-udevd (8139) [ 37.842339] 20765 total pagecache pages [ 37.854695] 0 pages in swap cache [ 37.858693] Swap cache stats: add 0, delete 0, find 0/0 [ 37.863304] BTRFS info (device loop4): checking UUID tree [ 37.864141] Free swap = 0kB [ 37.873231] FAULT_INJECTION: forcing a failure. [ 37.873231] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 37.873470] FAULT_INJECTION: forcing a failure. [ 37.873470] name failslab, interval 1, probability 0, space 0, times 0 [ 37.885131] CPU: 1 PID: 8151 Comm: syz-executor692 Not tainted 4.19.211-syzkaller #0 [ 37.885137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.885141] Call Trace: [ 37.885159] dump_stack+0x1fc/0x2ef [ 37.885175] should_fail.cold+0xa/0xf [ 37.885190] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.885204] ? setup_fault_attr+0x200/0x200 [ 37.885226] __alloc_pages_nodemask+0x239/0x2890 [ 37.885241] ? add_lock_to_list.constprop.0+0x17d/0x330 [ 37.885259] ? save_trace+0xd6/0x290 [ 37.896518] FAULT_INJECTION: forcing a failure. [ 37.896518] name failslab, interval 1, probability 0, space 0, times 0 [ 37.904292] ? __lock_acquire+0x22f9/0x3ff0 [ 37.904317] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 37.904332] ? mark_held_locks+0xf0/0xf0 [ 37.913707] Total swap = 0kB [ 37.916242] ? lock_downgrade+0x720/0x720 [ 37.920084] 2097051 pages RAM [ 37.923629] ? btrfs_wait_ordered_roots+0xb5/0x7d0 [ 37.937919] 0 pages HighMem/MovableOnly [ 37.938012] cache_grow_begin+0xa4/0x8a0 [ 37.943336] 369649 pages reserved [ 37.943340] 0 pages cma reserved [ 37.943402] Unreclaimable slab info: [ 37.947066] ? setup_fault_attr+0x200/0x200 [ 37.947085] cache_alloc_refill+0x273/0x340 [ 37.947112] kmem_cache_alloc+0x346/0x370 [ 37.947129] start_transaction+0x2cd/0xf90 [ 37.997887] Name Used Total [ 37.998095] btrfs_attach_transaction_barrier+0x22/0x80 [ 38.001497] btrfs_end_io_wq 7KB 7KB [ 38.005131] btrfs_sync_fs+0xf4/0x490 [ 38.037923] btrfs_extent_map 3KB 3KB [ 38.038263] ? btrfs_freeze+0xc0/0xc0 [ 38.042041] btrfs_extent_buffer 10KB 10KB [ 38.047387] sync_fs_one_sb+0xbe/0xf0 [ 38.060473] iterate_supers+0x13c/0x290 [ 38.064442] ? vfs_fsync_range+0x220/0x220 [ 38.068669] ksys_sync+0xa8/0x150 [ 38.072135] ? vfs_fsync+0x1f0/0x1f0 [ 38.075935] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 38.077888] btrfs_extent_state 7KB 7KB [ 38.081300] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.086732] btrfs_free_space 1KB 3KB [ 38.091733] ? do_syscall_64+0x21/0x620 [ 38.091747] __ia32_sys_sync+0xa/0x10 [ 38.091759] do_syscall_64+0xf9/0x620 [ 38.091779] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.113817] RIP: 0033:0x7f5468950019 [ 38.117530] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 38.121044] FAULT_INJECTION: forcing a failure. [ 38.121044] name failslab, interval 1, probability 0, space 0, times 0 [ 38.136436] RSP: 002b:00007ffc17e619a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 38.136449] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5468950019 [ 38.136455] RDX: 00000000000009c0 RSI: 000000000000fbfe RDI: 00007ffc17e619c0 [ 38.136461] RBP: 00007ffc17e619c0 R08: 0000000000000001 R09: 0000000000000001 [ 38.136467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 38.136474] R13: 00007ffc17e619e0 R14: 00007ffc17e619bc R15: 00007ffc17e619d0 [ 38.138787] CPU: 1 PID: 8157 Comm: syz-executor692 Not tainted 4.19.211-syzkaller #0 [ 38.187793] btrfs_path 7KB 7KB [ 38.191867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.214418] Call Trace: [ 38.217007] dump_stack+0x1fc/0x2ef [ 38.217797] TIPC 1KB 7KB [ 38.220627] should_fail.cold+0xa/0xf [ 38.225980] SCTPv6 2KB 6KB [ 38.229753] ? wait_for_completion_io+0x10/0x10 [ 38.229767] ? setup_fault_attr+0x200/0x200 [ 38.229781] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 38.229799] __should_failslab+0x115/0x180 [ 38.229814] should_failslab+0x5/0x10 [ 38.229829] kmem_cache_alloc+0x277/0x370 [ 38.261505] start_transaction+0x2cd/0xf90 [ 38.265744] btrfs_attach_transaction_barrier+0x22/0x80 [ 38.267756] DCCPv6 2KB 7KB [ 38.271360] btrfs_sync_fs+0xf4/0x490 [ 38.276704] DCCP 2KB 7KB [ 38.280489] ? btrfs_freeze+0xc0/0xc0 [ 38.280502] sync_fs_one_sb+0xbe/0xf0 [ 38.280515] iterate_supers+0x13c/0x290 [ 38.280525] ? vfs_fsync_range+0x220/0x220 [ 38.280538] ksys_sync+0xa8/0x150 [ 38.280549] ? vfs_fsync+0x1f0/0x1f0 [ 38.280569] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 38.314113] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.318167] RXRPC 1KB 6KB [ 38.319125] ? do_syscall_64+0x21/0x620 [ 38.324469] rxrpc_call_jar 11KB 15KB [ 38.328431] __ia32_sys_sync+0xa/0x10 [ 38.328442] do_syscall_64+0xf9/0x620 [ 38.328458] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.328470] RIP: 0033:0x7f5468950019 [ 38.328481] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 38.328487] RSP: 002b:00007ffc17e619a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 38.328499] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5468950019 [ 38.328505] RDX: 00000000000009c0 RSI: 000000000000fbfe RDI: 00007ffc17e619c0 [ 38.328512] RBP: 00007ffc17e619c0 R08: 0000000000000001 R09: 0000000000000001 [ 38.328522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 38.357742] fib6_nodes 0KB 4KB [ 38.369180] R13: 00007ffc17e619e0 R14: 00007ffc17e619bc R15: 00007ffc17e619d0 [ 38.371116] CPU: 1 PID: 8174 Comm: syz-executor692 Not tainted 4.19.211-syzkaller #0 [ 38.417665] ip6_dst_cache 2KB 3KB [ 38.418615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.426484] RAWv6 10KB 20KB [ 38.431821] Call Trace: [ 38.431844] dump_stack+0x1fc/0x2ef [ 38.431861] should_fail.cold+0xa/0xf [ 38.431878] ? setup_fault_attr+0x200/0x200 [ 38.431899] __should_failslab+0x115/0x180 [ 38.431917] should_failslab+0x5/0x10 [ 38.467644] UDPv6 13KB 15KB [ 38.468836] kmem_cache_alloc+0x277/0x370 [ 38.474181] TCPv6 6KB 6KB [ 38.478313] __btrfs_free_extent.isra.0+0x1ba/0x1450 [ 38.478329] ? mark_held_locks+0xf0/0xf0 [ 38.478351] ? btrfs_alloc_logged_file_extent+0x470/0x470 [ 38.478365] ? lock_downgrade+0x720/0x720 [ 38.478381] ? btrfs_merge_delayed_refs+0x157/0xda0 [ 38.497663] nf_conntrack 22KB 22KB [ 38.498362] ? __btrfs_run_delayed_refs+0x4b0/0x3de0 [ 38.502535] t10_alua_lu_gp_cache 0KB 3KB [ 38.507492] ? lock_downgrade+0x720/0x720 [ 38.527626] sd_ext_cdb 0KB 7KB [ 38.527672] ? lock_acquire+0x168/0x3c0 [ 38.533012] scsi_sense_cache 1056KB 1072KB [ 38.536976] ? check_preemption_disabled+0x41/0x280 [ 38.547325] __btrfs_run_delayed_refs+0x172b/0x3de0 [ 38.552348] ? do_syscall_64+0xf9/0x620 [ 38.556315] ? __btrfs_free_extent.isra.0+0x1450/0x1450 [ 38.557622] virtio_scsi_cmd 16KB 16KB [ 38.561672] ? mark_held_locks+0xf0/0xf0 [ 38.567018] sgpool-128 8KB 8KB [ 38.571063] ? lock_downgrade+0x720/0x720 [ 38.571077] ? btrfs_wait_ordered_roots+0xb5/0x7d0 [ 38.571099] btrfs_run_delayed_refs.part.0+0x9a/0x310 [ 38.571117] btrfs_run_delayed_refs+0xad/0xf0 [ 38.571131] btrfs_commit_transaction+0x173/0x2480 [ 38.571149] ? _raw_spin_unlock+0x29/0x40 [ 38.597607] sgpool-64 4KB 12KB [ 38.600082] ? join_transaction+0x1b7/0xe20 [ 38.604206] sgpool-32 2KB 15KB [ 38.609553] ? btrfs_apply_pending_changes+0x150/0x150 [ 38.609567] ? start_transaction+0x239/0xf90 [ 38.609590] btrfs_sync_fs+0x120/0x490 [ 38.609604] ? btrfs_freeze+0xc0/0xc0 [ 38.609623] sync_fs_one_sb+0xbe/0xf0 [ 38.637583] sgpool-16 1KB 7KB [ 38.640333] iterate_supers+0x13c/0x290 [ 38.645675] sgpool-8 0KB 7KB [ 38.649629] ? vfs_fsync_range+0x220/0x220 [ 38.649643] ksys_sync+0xa8/0x150 [ 38.649653] ? vfs_fsync+0x1f0/0x1f0 [ 38.649669] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 38.649684] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.649700] ? do_syscall_64+0x21/0x620 [ 38.667569] mqueue_inode_cache 1KB 7KB [ 38.671736] __ia32_sys_sync+0xa/0x10 [ 38.676736] bio_post_read_ctx 14KB 15KB [ 38.680692] do_syscall_64+0xf9/0x620 [ 38.680710] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.680721] RIP: 0033:0x7f5468950019 [ 38.680733] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 38.680739] RSP: 002b:00007ffc17e619a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 38.680751] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5468950019 [ 38.680757] RDX: 00000000000009c0 RSI: 000000000000fbfe RDI: 00007ffc17e619c0 [ 38.680768] RBP: 00007ffc17e619c0 R08: 0000000000000001 R09: 0000000000000001 [ 38.707615] bio-2 19KB 19KB [ 38.707974] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 38.747537] jfs_mp 7KB 7KB [ 38.749073] R13: 00007ffc17e619e0 R14: 00007ffc17e619bc R15: 00007ffc17e619d0 [ 38.756353] cifs_small_rq 15KB 16KB [ 38.762811] ------------[ cut here ]------------ [ 38.771003] CPU: 0 PID: 8175 Comm: syz-executor692 Not tainted 4.19.211-syzkaller #0 [ 38.781698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.781703] Call Trace: [ 38.781724] dump_stack+0x1fc/0x2ef [ 38.781743] should_fail.cold+0xa/0xf [ 38.781757] ? wait_for_completion_io+0x10/0x10 [ 38.781771] ? setup_fault_attr+0x200/0x200 [ 38.781784] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 38.781801] __should_failslab+0x115/0x180 [ 38.781816] should_failslab+0x5/0x10 [ 38.781827] kmem_cache_alloc+0x277/0x370 [ 38.781844] start_transaction+0x2cd/0xf90 [ 38.787583] WARNING: CPU: 1 PID: 8174 at fs/btrfs/extent-tree.c:2938 btrfs_run_delayed_refs.part.0+0x2b7/0x310 [ 38.791939] btrfs_attach_transaction_barrier+0x22/0x80 [ 38.799784] Kernel panic - not syncing: panic_on_warn set ... [ 38.799784] [ 38.809126] btrfs_sync_fs+0xf4/0x490 [ 38.875892] ? btrfs_freeze+0xc0/0xc0 [ 38.879682] sync_fs_one_sb+0xbe/0xf0 [ 38.883477] iterate_supers+0x13c/0x290 [ 38.887442] ? vfs_fsync_range+0x220/0x220 [ 38.891669] ksys_sync+0xa8/0x150 [ 38.895112] ? vfs_fsync+0x1f0/0x1f0 [ 38.898820] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 38.904193] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.909216] ? do_syscall_64+0x21/0x620 [ 38.913193] __ia32_sys_sync+0xa/0x10 [ 38.916995] do_syscall_64+0xf9/0x620 [ 38.921146] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.926326] RIP: 0033:0x7f5468950019 [ 38.930030] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 38.948921] RSP: 002b:00007ffc17e619a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 38.956620] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5468950019 [ 38.963879] RDX: 00000000000009c0 RSI: 000000000000fbfe RDI: 00007ffc17e619c0 [ 38.971134] RBP: 00007ffc17e619c0 R08: 0000000000000001 R09: 0000000000000001 [ 38.978392] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 38.985649] R13: 00007ffc17e619e0 R14: 00007ffc17e619bc R15: 00007ffc17e619d0 [ 38.992930] CPU: 1 PID: 8174 Comm: syz-executor692 Not tainted 4.19.211-syzkaller #0 [ 39.000821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.010176] Call Trace: [ 39.011834] BTRFS warning (device ): duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor692 (8157) [ 39.012772] dump_stack+0x1fc/0x2ef [ 39.028074] panic+0x26a/0x50e [ 39.031270] ? __warn_printk+0xf3/0xf3 [ 39.031365] cifs_request 67KB 67KB [ 39.035161] ? btrfs_run_delayed_refs.part.0+0x2b7/0x310 [ 39.041994] cifs_mpx_ids 0KB 7KB [ 39.045949] ? __probe_kernel_read+0x130/0x1b0 [ 39.052366] nfs_commit_data 3KB 14KB [ 39.055859] ? __warn.cold+0x5/0x5a [ 39.062226] nfs_write_data 34KB 44KB [ 39.064809] ? __warn+0xe4/0x200 [ 39.071216] ext4_system_zone 1KB 7KB [ 39.073509] ? btrfs_run_delayed_refs.part.0+0x2b7/0x310 [ 39.079848] bio-1 1KB 7KB [ 39.084286] __warn.cold+0x20/0x5a [ 39.090725] rpc_buffers 17KB 25KB [ 39.093157] ? btrfs_run_delayed_refs.part.0+0x2b7/0x310 [ 39.099661] rpc_tasks 2KB 7KB [ 39.103962] report_bug+0x262/0x2b0 [ 39.110591] UNIX 420KB 420KB [ 39.112936] do_error_trap+0x1d7/0x310 [ 39.120933] tcp_bind_bucket 0KB 4KB [ 39.122162] ? math_error+0x310/0x310 [ 39.128745] ip_fib_trie 0KB 3KB [ 39.131299] ? __irq_work_queue_local+0x101/0x160 [ 39.136639] ip_fib_alias 0KB 3KB [ 39.141467] ? irq_work_queue+0x29/0x80 [ 39.141482] ? error_entry+0x72/0xd0 [ 39.141495] ? trace_hardirqs_off_caller+0x6e/0x210 [ 39.141510] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.141528] invalid_op+0x14/0x20 [ 39.141544] RIP: 0010:btrfs_run_delayed_refs.part.0+0x2b7/0x310 [ 39.141554] Code: 89 e6 bf fb ff ff ff e8 37 f1 7e fe 41 83 fc fb 0f 84 e7 8a 16 05 e8 b8 ef 7e fe 44 89 e6 48 c7 c7 40 23 a4 88 e8 8e 27 0f 05 <0f> 0b e8 a2 ef 7e fe 44 89 e1 ba 7a 0b 00 00 48 89 ef 48 c7 c6 80 [ 39.141561] RSP: 0018:ffff888095267c40 EFLAGS: 00010282 [ 39.141570] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 39.141581] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1012a4cf7a [ 39.154294] ip_dst_cache 3KB 8KB [ 39.154583] RBP: ffff88808dbab738 R08: 0000000000000001 R09: 0000000000000000 [ 39.160752] RAW 6KB 15KB [ 39.164414] R10: 0000000000000005 R11: 0000000000000000 R12: 00000000fffffff4 [ 39.169002] UDP 25KB 40KB [ 39.173912] R13: ffff88808dbab788 R14: ffff888096da2900 R15: 0000000000000008 [ 39.194343] tw_sock_TCP 0KB 3KB [ 39.198289] ? vprintk_func+0x81/0x180 [ 39.198312] btrfs_run_delayed_refs+0xad/0xf0 [ 39.198326] btrfs_commit_transaction+0x173/0x2480 [ 39.198344] ? _raw_spin_unlock+0x29/0x40 [ 39.198354] ? join_transaction+0x1b7/0xe20 [ 39.198367] ? btrfs_apply_pending_changes+0x150/0x150 [ 39.198380] ? start_transaction+0x239/0xf90 [ 39.198401] btrfs_sync_fs+0x120/0x490 [ 39.210600] request_sock_TCP 1KB 7KB [ 39.212934] ? btrfs_freeze+0xc0/0xc0 [ 39.219380] TCP 5KB 5KB [ 39.225631] sync_fs_one_sb+0xbe/0xf0 [ 39.232208] hugetlbfs_inode_cache 3KB 15KB [ 39.238243] iterate_supers+0x13c/0x290 [ 39.238256] ? vfs_fsync_range+0x220/0x220 [ 39.238268] ksys_sync+0xa8/0x150 [ 39.238279] ? vfs_fsync+0x1f0/0x1f0 [ 39.238294] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 39.238309] ? trace_hardirqs_off_caller+0x6e/0x210 [ 39.238325] ? do_syscall_64+0x21/0x620 [ 39.246750] fscache_cookie_jar 1KB 7KB [ 39.250930] __ia32_sys_sync+0xa/0x10 [ 39.250943] do_syscall_64+0xf9/0x620 [ 39.250960] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.250970] RIP: 0033:0x7f5468950019 [ 39.250982] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 39.250988] RSP: 002b:00007ffc17e619a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 39.250999] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5468950019 [ 39.251005] RDX: 00000000000009c0 RSI: 000000000000fbfe RDI: 00007ffc17e619c0 [ 39.251012] RBP: 00007ffc17e619c0 R08: 0000000000000001 R09: 0000000000000001 [ 39.251022] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 39.262696] eventpoll_pwq 52KB 95KB [ 39.264713] R13: 00007ffc17e619e0 R14: 00007ffc17e619bc R15: 00007ffc17e619d0 [ 39.269786] Kernel Offset: disabled [ 39.438751] Rebooting in 86400 seconds..