[ 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 '10.128.0.69' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 306.692669] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 [ 306.745083] BTRFS info (device loop3): enabling inode map caching [ 306.774478] BTRFS warning (device loop3): excessive commit interval 622039222 [ 306.805642] BTRFS info (device loop3): force zlib compression [ 306.816393] BTRFS info (device loop3): using free space tree [ 306.833110] BTRFS info (device loop3): has skinny extents [ 306.922565] audit: type=1800 audit(1674662487.170:2): pid=7965 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor364" name="bus" dev="loop3" ino=263 res=0 [ 307.172079] FAULT_INJECTION: forcing a failure. [ 307.172079] name failslab, interval 1, probability 0, space 0, times 1 [ 307.172868] FAULT_INJECTION: forcing a failure. [ 307.172868] name failslab, interval 1, probability 0, space 0, times 1 [ 307.186836] CPU: 0 PID: 7969 Comm: syz-executor364 Not tainted 4.14.304-syzkaller #0 [ 307.208450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 307.219863] Call Trace: [ 307.222538] dump_stack+0x1b2/0x281 [ 307.226157] should_fail.cold+0x10a/0x149 [ 307.230832] should_failslab+0xd6/0x130 [ 307.234810] kmem_cache_alloc+0x28e/0x3c0 [ 307.238966] alloc_extent_state+0x22/0x3d0 [ 307.245602] __set_extent_bit+0x511/0xc30 [ 307.249745] ? insert_state+0x350/0x350 [ 307.253730] ? btrfs_set_lock_blocking_rw+0x266/0x2f0 [ 307.259010] ? lock_downgrade+0x740/0x740 [ 307.263792] set_extent_bit+0x41/0x50 [ 307.268743] btrfs_alloc_tree_block+0xc9a/0x1410 [ 307.273901] ? btrfs_reserve_extent+0x3b0/0x3b0 [ 307.278904] ? memcpy+0x35/0x50 [ 307.284143] ? read_extent_buffer+0x102/0x150 [ 307.290368] __btrfs_cow_block+0x367/0xfd0 [ 307.296549] ? btrfs_set_lock_blocking_rw+0x266/0x2f0 [ 307.305989] ? update_ref_for_cow+0x980/0x980 [ 307.310833] ? btrfs_tree_read_unlock_blocking+0x210/0x210 [ 307.317014] btrfs_cow_block+0x207/0x6d0 [ 307.321584] ? btrfs_set_path_blocking+0x39/0x110 [ 307.326724] btrfs_search_slot+0x546/0x1c20 [ 307.331528] ? kasan_kmalloc+0xeb/0x160 [ 307.335501] ? btrfs_run_delayed_refs+0x19f/0x630 [ 307.340331] ? btrfs_sync_fs+0xe9/0x430 [ 307.344537] ? check_usage_backwards+0x2c0/0x2c0 [ 307.349363] ? split_leaf+0x14a0/0x14a0 [ 307.353338] ? register_lock_class+0x1d0/0x1180 [ 307.358180] lookup_inline_extent_backref.constprop.0+0x31e/0xb70 [ 307.365863] ? check_committed_ref+0x4f0/0x4f0 [ 307.370618] ? __btrfs_free_extent.isra.0+0x166/0x1940 [ 307.376521] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 307.385408] __btrfs_free_extent.isra.0+0xe27/0x1940 [ 307.390875] ? btrfs_merge_delayed_refs+0x18a/0x11f0 [ 307.396684] ? lookup_inline_extent_backref.constprop.0+0xb70/0xb70 [ 307.403820] ? lock_downgrade+0x740/0x740 [ 307.409330] ? lock_acquire+0x170/0x3f0 [ 307.414730] ? __btrfs_run_delayed_refs+0x46f/0x3d10 [ 307.419946] __btrfs_run_delayed_refs+0x113f/0x3d10 [ 307.427212] ? walk_down_tree+0x320/0x320 [ 307.433031] ? trace_hardirqs_on+0x10/0x10 [ 307.438772] ? trace_hardirqs_on+0x10/0x10 [ 307.445678] ? btrfs_wait_ordered_roots+0x4f5/0x660 [ 307.452201] ? vfs_fsync_range+0x260/0x260 [ 307.457429] btrfs_run_delayed_refs+0x19f/0x630 [ 307.465665] ? lock_downgrade+0x740/0x740 [ 307.470869] ? vfs_fsync_range+0x260/0x260 [ 307.475806] btrfs_commit_transaction+0x158/0x2210 [ 307.482560] ? _raw_spin_unlock+0x29/0x40 [ 307.487513] ? join_transaction+0x181/0xcc0 [ 307.488815] FAULT_INJECTION: forcing a failure. [ 307.488815] name failslab, interval 1, probability 0, space 0, times 1 [ 307.493011] ? btrfs_record_root_in_trans+0x106/0x150 [ 307.515035] ? btrfs_apply_pending_changes+0x100/0x100 [ 307.524484] ? start_transaction+0x1f2/0xf30 [ 307.529424] ? vfs_fsync_range+0x260/0x260 [ 307.534025] btrfs_sync_fs+0xe9/0x430 [ 307.537818] ? btrfs_freeze+0xb0/0xb0 [ 307.541621] ? vfs_fsync_range+0x260/0x260 [ 307.546083] sync_fs_one_sb+0xb1/0xe0 [ 307.549883] iterate_supers+0x124/0x490 [ 307.553945] sys_sync+0x9a/0x130 [ 307.557398] ? vfs_fsync+0x210/0x210 [ 307.561557] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 307.568609] ? vfs_fsync+0x210/0x210 [ 307.572320] do_syscall_64+0x1d5/0x640 [ 307.576663] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 307.586568] RIP: 0033:0x7fcb18396659 [ 307.590610] RSP: 002b:00007fffe30060f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 307.599619] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcb18396659 [ 307.607368] RDX: 0000000000000110 RSI: 000000000000fbfe RDI: 00007fffe3006110 [ 307.615075] RBP: 00007fffe3006110 R08: 0000000000000001 R09: 0000000000000001 [ 307.623318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 307.632240] R13: 00007fffe3006130 R14: 00007fffe300610c R15: 00007fffe3006120 [ 307.641369] CPU: 1 PID: 7965 Comm: syz-executor364 Not tainted 4.14.304-syzkaller #0 [ 307.646816] FAULT_INJECTION: forcing a failure. [ 307.646816] name failslab, interval 1, probability 0, space 0, times 0 [ 307.650056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 307.650060] Call Trace: [ 307.650075] dump_stack+0x1b2/0x281 [ 307.650089] should_fail.cold+0x10a/0x149 [ 307.650099] should_failslab+0xd6/0x130 [ 307.650109] kmem_cache_alloc+0x28e/0x3c0 [ 307.650119] start_transaction+0x27c/0xf30 [ 307.650134] ? vfs_fsync_range+0x260/0x260 [ 307.662555] FAULT_INJECTION: forcing a failure. [ 307.662555] name failslab, interval 1, probability 0, space 0, times 0 [ 307.674165] btrfs_attach_transaction_barrier+0x22/0x80 [ 307.674176] btrfs_sync_fs+0xcd/0x430 [ 307.674183] ? btrfs_freeze+0xb0/0xb0 [ 307.674192] ? vfs_fsync_range+0x260/0x260 [ 307.674198] sync_fs_one_sb+0xb1/0xe0 [ 307.674205] iterate_supers+0x124/0x490 [ 307.674215] sys_sync+0x9a/0x130 [ 307.674222] ? vfs_fsync+0x210/0x210 [ 307.674233] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 307.674242] ? vfs_fsync+0x210/0x210 [ 307.676939] FAULT_INJECTION: forcing a failure. [ 307.676939] name failslab, interval 1, probability 0, space 0, times 0 [ 307.680448] do_syscall_64+0x1d5/0x640 [ 307.680461] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 307.680469] RIP: 0033:0x7fcb18396659 [ 307.680473] RSP: 002b:00007fffe30060f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 307.680481] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcb18396659 [ 307.680488] RDX: 0000000000000110 RSI: 000000000000fbfe RDI: 00007fffe3006110 [ 307.820338] RBP: 00007fffe3006110 R08: 0000000000000001 R09: 0000000000000001 [ 307.831317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 307.838832] R13: 00007fffe3006130 R14: 00007fffe300610c R15: 00007fffe3006120 [ 307.846924] CPU: 0 PID: 7966 Comm: syz-executor364 Not tainted 4.14.304-syzkaller #0 [ 307.855278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 307.865434] Call Trace: [ 307.868011] dump_stack+0x1b2/0x281 [ 307.871638] should_fail.cold+0x10a/0x149 [ 307.878479] should_failslab+0xd6/0x130 [ 307.883069] kmem_cache_alloc+0x28e/0x3c0 [ 307.888065] remove_from_free_space_tree+0xd4/0x240 [ 307.893775] ? kmem_cache_free+0x23a/0x2b0 [ 307.899503] __btrfs_run_delayed_refs+0x2834/0x3d10 [ 307.904708] ? walk_down_tree+0x320/0x320 [ 307.909015] ? trace_hardirqs_on+0x10/0x10 [ 307.914436] ? trace_hardirqs_on+0x10/0x10 [ 307.919236] ? btrfs_wait_ordered_roots+0x4f5/0x660 [ 307.925911] ? cache_alloc_refill+0x1da/0x350 [ 307.931407] ? vfs_fsync_range+0x260/0x260 [ 307.935906] btrfs_run_delayed_refs+0x19f/0x630 [ 307.941204] ? lock_downgrade+0x740/0x740 [ 307.945695] ? vfs_fsync_range+0x260/0x260 [ 307.950638] btrfs_commit_transaction+0x158/0x2210 [ 307.956960] ? _raw_spin_unlock+0x29/0x40 [ 307.964656] ? join_transaction+0x181/0xcc0 [ 307.969179] ? btrfs_record_root_in_trans+0x106/0x150 [ 307.974647] ? btrfs_apply_pending_changes+0x100/0x100 [ 307.979911] ? start_transaction+0x1f2/0xf30 [ 307.984441] ? vfs_fsync_range+0x260/0x260 [ 307.988836] btrfs_sync_fs+0xe9/0x430 [ 307.992629] ? btrfs_freeze+0xb0/0xb0 [ 307.996426] ? vfs_fsync_range+0x260/0x260 [ 308.000906] sync_fs_one_sb+0xb1/0xe0 [ 308.006218] iterate_supers+0x124/0x490 [ 308.010208] sys_sync+0x9a/0x130 [ 308.013567] ? vfs_fsync+0x210/0x210 [ 308.017269] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 308.023474] ? vfs_fsync+0x210/0x210 [ 308.027657] do_syscall_64+0x1d5/0x640 [ 308.032193] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 308.037634] RIP: 0033:0x7fcb18396659 [ 308.041328] RSP: 002b:00007fffe30060f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 308.049541] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcb18396659 [ 308.056977] RDX: 0000000000000110 RSI: 000000000000fbfe RDI: 00007fffe3006110 [ 308.065929] RBP: 00007fffe3006110 R08: 0000000000000001 R09: 0000000000000001 [ 308.073700] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 308.085282] R13: 00007fffe3006130 R14: 00007fffe300610c R15: 00007fffe3006120 [ 308.094640] CPU: 1 PID: 7968 Comm: syz-executor364 Not tainted 4.14.304-syzkaller #0 [ 308.103492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 308.117639] Call Trace: [ 308.120232] dump_stack+0x1b2/0x281 [ 308.123861] should_fail.cold+0x10a/0x149 [ 308.129084] should_failslab+0xd6/0x130 [ 308.134097] kmem_cache_alloc+0x28e/0x3c0 [ 308.140278] remove_from_free_space_tree+0xd4/0x240 [ 308.145994] ? kmem_cache_free+0x23a/0x2b0 [ 308.151311] __btrfs_run_delayed_refs+0x2834/0x3d10 [ 308.156534] ? walk_down_tree+0x320/0x320 [ 308.162318] ? trace_hardirqs_on+0x10/0x10 [ 308.169035] ? trace_hardirqs_on+0x10/0x10 [ 308.175097] ? btrfs_wait_ordered_roots+0x9b/0x660 [ 308.182027] ? btrfs_wait_ordered_roots+0x4f5/0x660 [ 308.189652] ? vfs_fsync_range+0x260/0x260 [ 308.194325] btrfs_run_delayed_refs+0x19f/0x630 [ 308.200539] ? lock_downgrade+0x740/0x740 [ 308.205398] ? vfs_fsync_range+0x260/0x260 [ 308.210251] btrfs_commit_transaction+0x158/0x2210 [ 308.217295] ? _raw_spin_unlock+0x29/0x40 [ 308.223317] ? join_transaction+0x181/0xcc0 [ 308.229637] ? btrfs_record_root_in_trans+0x106/0x150 [ 308.236347] ? btrfs_apply_pending_changes+0x100/0x100 [ 308.245001] ? start_transaction+0x1f2/0xf30 [ 308.250414] ? vfs_fsync_range+0x260/0x260 [ 308.255645] btrfs_sync_fs+0xe9/0x430 [ 308.261053] ? btrfs_freeze+0xb0/0xb0 [ 308.265778] ? vfs_fsync_range+0x260/0x260 [ 308.270910] sync_fs_one_sb+0xb1/0xe0 [ 308.276399] iterate_supers+0x124/0x490 [ 308.284336] sys_sync+0x9a/0x130 [ 308.290026] ? vfs_fsync+0x210/0x210 [ 308.294604] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 308.303844] ? vfs_fsync+0x210/0x210 [ 308.308473] do_syscall_64+0x1d5/0x640 [ 308.314001] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 308.319900] RIP: 0033:0x7fcb18396659 [ 308.324688] RSP: 002b:00007fffe30060f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 308.334261] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcb18396659 [ 308.344139] RDX: 0000000000000110 RSI: 000000000000fbfe RDI: 00007fffe3006110 [ 308.352784] RBP: 00007fffe3006110 R08: 0000000000000001 R09: 0000000000000001 [ 308.362419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 308.370613] R13: 00007fffe3006130 R14: 00007fffe300610c R15: 00007fffe3006120 [ 308.379600] CPU: 0 PID: 7970 Comm: syz-executor364 Not tainted 4.14.304-syzkaller #0 [ 308.389374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 308.408739] Call Trace: [ 308.413226] dump_stack+0x1b2/0x281 [ 308.418923] should_fail.cold+0x10a/0x149 [ 308.425340] should_failslab+0xd6/0x130 [ 308.434840] kmem_cache_alloc+0x28e/0x3c0 [ 308.440469] add_to_free_space_tree+0xd4/0x240 [ 308.445992] __btrfs_free_extent.isra.0+0xcb9/0x1940 [ 308.454105] ? lookup_inline_extent_backref.constprop.0+0xb70/0xb70 [ 308.462943] ? lock_downgrade+0x740/0x740 [ 308.469708] ? lock_acquire+0x170/0x3f0 [ 308.474172] ? __btrfs_run_delayed_refs+0x3c0/0x3d10 [ 308.480442] __btrfs_run_delayed_refs+0x113f/0x3d10 [ 308.487452] ? lock_acquire+0x170/0x3f0 [ 308.492367] ? walk_down_tree+0x320/0x320 [ 308.497582] ? trace_hardirqs_on+0x10/0x10 [ 308.504689] ? trace_hardirqs_on+0x10/0x10 [ 308.509203] ? btrfs_wait_ordered_roots+0x9b/0x660 [ 308.515292] ? btrfs_wait_ordered_roots+0x4f5/0x660 [ 308.522614] ? vfs_fsync_range+0x260/0x260 [ 308.529360] btrfs_run_delayed_refs+0x19f/0x630 [ 308.535111] ? lock_downgrade+0x740/0x740 [ 308.540334] ? vfs_fsync_range+0x260/0x260 [ 308.546608] btrfs_commit_transaction+0x158/0x2210 [ 308.552357] ? _raw_spin_unlock+0x29/0x40 [ 308.556596] ? join_transaction+0x181/0xcc0 [ 308.562465] ? btrfs_record_root_in_trans+0x106/0x150 [ 308.569164] ? btrfs_apply_pending_changes+0x100/0x100 [ 308.575905] ? start_transaction+0x1f2/0xf30 [ 308.580542] ? vfs_fsync_range+0x260/0x260 [ 308.587678] btrfs_sync_fs+0xe9/0x430 [ 308.587688] ? btrfs_freeze+0xb0/0xb0 [ 308.587697] ? vfs_fsync_range+0x260/0x260 [ 308.587704] sync_fs_one_sb+0xb1/0xe0 [ 308.587713] iterate_supers+0x124/0x490 [ 308.587722] sys_sync+0x9a/0x130 [ 308.587732] ? vfs_fsync+0x210/0x210 [ 308.602847] ------------[ cut here ]------------ [ 308.605861] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 308.610979] WARNING: CPU: 1 PID: 7966 at fs/btrfs/free-space-tree.c:856 remove_from_free_space_tree.cold+0x14/0x37 [ 308.614947] ? vfs_fsync+0x210/0x210 [ 308.619333] Kernel panic - not syncing: panic_on_warn set ... [ 308.619333] [ 308.626219] do_syscall_64+0x1d5/0x640 [ 308.666055] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 308.672128] RIP: 0033:0x7fcb18396659 [ 308.676607] RSP: 002b:00007fffe30060f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 308.684943] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcb18396659 [ 308.693284] RDX: 0000000000000110 RSI: 000000000000fbfe RDI: 00007fffe3006110 [ 308.702423] RBP: 00007fffe3006110 R08: 0000000000000001 R09: 0000000000000001 [ 308.712061] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 308.720574] R13: 00007fffe3006130 R14: 00007fffe300610c R15: 00007fffe3006120 [ 308.729067] CPU: 1 PID: 7966 Comm: syz-executor364 Not tainted 4.14.304-syzkaller #0 [ 308.738179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 308.750857] Call Trace: [ 308.753721] dump_stack+0x1b2/0x281 [ 308.758645] panic+0x1f9/0x42d [ 308.762963] ? add_taint.cold+0x16/0x16 [ 308.767864] ? remove_from_free_space_tree.cold+0x14/0x37 [ 308.772323] BTRFS: error (device loop3) in remove_from_free_space_tree:856: errno=-12 Out of memory [ 308.775137] ? remove_from_free_space_tree.cold+0x14/0x37 [ 308.775146] __warn.cold+0x20/0x44 [ 308.775156] ? ist_end_non_atomic+0x10/0x10 [ 308.775163] ? remove_from_free_space_tree.cold+0x14/0x37 [ 308.775173] report_bug+0x208/0x250 [ 308.787192] BTRFS info (device loop3): forced readonly [ 308.793405] do_error_trap+0x195/0x2d0 [ 308.793415] ? math_error+0x2d0/0x2d0 executing program [ 308.793423] ? ___preempt_schedule+0x16/0x18 [ 308.793433] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.793444] invalid_op+0x1b/0x40 [ 308.793456] RIP: 0010:remove_from_free_space_tree.cold+0x14/0x37 [ 308.793460] RSP: 0018:ffff888094d8fa68 EFLAGS: 00010286 [ 308.793467] RAX: 0000000000000026 RBX: 0000000000504000 RCX: 0000000000000000 [ 308.793472] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed10129b1f43 [ 308.793475] RBP: ffff88808e3aef78 R08: 0000000000000026 R09: 0000000000000000 [ 308.793483] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808e3aef18 [ 308.803997] BTRFS: error (device loop3) in btrfs_run_delayed_refs:3088: errno=-12 Out of memory [ 308.808920] R13: 00000000fffffff4 R14: 0000000000000000 R15: ffff888097cacbe0 [ 308.808944] ? remove_from_free_space_tree.cold+0x14/0x37 [ 308.808953] ? kmem_cache_free+0x23a/0x2b0 [ 308.808963] __btrfs_run_delayed_refs+0x2834/0x3d10 [ 308.808979] ? walk_down_tree+0x320/0x320 [ 308.808987] ? trace_hardirqs_on+0x10/0x10 [ 308.808994] ? trace_hardirqs_on+0x10/0x10 [ 308.809004] ? btrfs_wait_ordered_roots+0x4f5/0x660 [ 308.818567] BTRFS: error (device loop3) in add_to_free_space_tree:1052: errno=-12 Out of memory [ 308.819524] ? cache_alloc_refill+0x1da/0x350 [ 308.825028] BTRFS: error (device loop3) in __btrfs_free_extent:7199: errno=-12 Out of memory [ 308.830930] ? vfs_fsync_range+0x260/0x260 [ 308.830940] btrfs_run_delayed_refs+0x19f/0x630 [ 308.830953] ? lock_downgrade+0x740/0x740 [ 308.830962] ? vfs_fsync_range+0x260/0x260 [ 308.830969] btrfs_commit_transaction+0x158/0x2210 [ 308.830977] ? _raw_spin_unlock+0x29/0x40 [ 308.830983] ? join_transaction+0x181/0xcc0 [ 308.830991] ? btrfs_record_root_in_trans+0x106/0x150 [ 308.830997] ? btrfs_apply_pending_changes+0x100/0x100 [ 308.831003] ? start_transaction+0x1f2/0xf30 [ 308.831017] ? vfs_fsync_range+0x260/0x260 [ 308.840781] BTRFS: error (device loop3) in btrfs_run_delayed_refs:3088: errno=-12 Out of memory [ 308.842138] btrfs_sync_fs+0xe9/0x430 [ 308.842147] ? btrfs_freeze+0xb0/0xb0 [ 308.842157] ? vfs_fsync_range+0x260/0x260 [ 308.842165] sync_fs_one_sb+0xb1/0xe0 [ 308.842172] iterate_supers+0x124/0x490 [ 308.842190] sys_sync+0x9a/0x130 [ 309.120650] ? vfs_fsync+0x210/0x210 [ 309.124441] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 309.130373] ? vfs_fsync+0x210/0x210 [ 309.134366] do_syscall_64+0x1d5/0x640 [ 309.138823] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 309.145569] RIP: 0033:0x7fcb18396659 [ 309.150180] RSP: 002b:00007fffe30060f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 309.159582] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcb18396659 [ 309.168095] RDX: 0000000000000110 RSI: 000000000000fbfe RDI: 00007fffe3006110 [ 309.177066] RBP: 00007fffe3006110 R08: 0000000000000001 R09: 0000000000000001 [ 309.186014] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 309.195393] R13: 00007fffe3006130 R14: 00007fffe300610c R15: 00007fffe3006120 [ 309.203857] CPU: 0 PID: 7964 Comm: syz-executor364 Not tainted 4.14.304-syzkaller #0 [ 309.215115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 309.226879] Call Trace: [ 309.230182] dump_stack+0x1b2/0x281 [ 309.234105] should_fail.cold+0x10a/0x149 [ 309.238355] should_failslab+0xd6/0x130 [ 309.242913] kmem_cache_alloc+0x28e/0x3c0 [ 309.247346] __btrfs_run_delayed_refs+0x260e/0x3d10 [ 309.254141] ? walk_down_tree+0x320/0x320 [ 309.260134] ? trace_hardirqs_on+0x10/0x10 [ 309.264660] ? trace_hardirqs_on+0x10/0x10 [ 309.268992] ? btrfs_wait_ordered_roots+0x9b/0x660 [ 309.275724] ? btrfs_wait_ordered_roots+0x4f5/0x660 [ 309.282121] ? vfs_fsync_range+0x260/0x260 [ 309.287712] btrfs_run_delayed_refs+0x19f/0x630 [ 309.294372] ? lock_downgrade+0x740/0x740 [ 309.301144] ? vfs_fsync_range+0x260/0x260 [ 309.308362] btrfs_commit_transaction+0x158/0x2210 [ 309.315765] ? _raw_spin_unlock+0x29/0x40 [ 309.321459] ? join_transaction+0x181/0xcc0 [ 309.326731] ? btrfs_record_root_in_trans+0x106/0x150 [ 309.332997] ? btrfs_apply_pending_changes+0x100/0x100 [ 309.338800] ? start_transaction+0x1f2/0xf30 [ 309.344896] ? vfs_fsync_range+0x260/0x260 [ 309.349718] btrfs_sync_fs+0xe9/0x430 [ 309.354151] ? btrfs_freeze+0xb0/0xb0 [ 309.358379] ? vfs_fsync_range+0x260/0x260 [ 309.363136] sync_fs_one_sb+0xb1/0xe0 [ 309.367879] iterate_supers+0x124/0x490 [ 309.373043] sys_sync+0x9a/0x130 [ 309.378902] ? vfs_fsync+0x210/0x210 [ 309.383365] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 309.391062] ? vfs_fsync+0x210/0x210 [ 309.396141] do_syscall_64+0x1d5/0x640 [ 309.400479] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 309.407058] RIP: 0033:0x7fcb18396659 [ 309.411380] RSP: 002b:00007fffe30060f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 309.419572] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcb18396659 [ 309.428329] RDX: 0000000000000110 RSI: 000000000000fbfe RDI: 00007fffe3006110 [ 309.436815] RBP: 00007fffe3006110 R08: 0000000000000001 R09: 0000000000000001 [ 309.446952] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 309.455075] R13: 00007fffe3006130 R14: 00007fffe300610c R15: 00007fffe3006120 [ 309.465336] Kernel Offset: disabled [ 309.470014] Rebooting in 86400 seconds..