program: sendmsg$nl_generic(0xffffffffffffffff, 0x0, 0x0) syz_mount_image$btrfs(&(0x7f00000055c0), &(0x7f0000000000)='./bus\x00', 0x300000a, &(0x7f00000002c0)={[{@nodatacow}, {@thread_pool={'thread_pool', 0x3d, 0x3}}, {@nodiscard}, {@datacow}, {@ref_verify}, {@clear_cache}, {@nobarrier}, {@ssd_spread}, {@nodatasum}, {@enospc_debug}, {@ssd_spread}, {@clear_cache}]}, 0x3, 0x55a3, 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VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVYUdOBYAAAAAEOZvHUbPBgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwKUAAAD//5twzl8=") syz_usb_connect$printer(0x0, 0x36, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x0) pwrite64(r0, &(0x7f0000000140)='2', 0x875d, 0xfecc) r1 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x0) pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x2000, 0x0, 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) ioctl$BTRFS_IOC_SNAP_CREATE_V2(r2, 0x50009417, &(0x7f0000002480)={{r2}, 0x0, 0x0, @unused, @subvolid=0xad}) r3 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) ioctl$BTRFS_IOC_SNAP_CREATE_V2(r3, 0x50009417, &(0x7f00000001c0)={{r3}, 0x0, 0x0, @unused=[0x60, 0xfc, 0x0, 0x4], @subvolid=0xffffffffffffffff}) r4 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./bus\x00', 0x105042, 0x1ff) read(r4, &(0x7f0000000000), 0x2000) bind$unix(0xffffffffffffffff, 0x0, 0x0) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) accept4$packet(r5, 0x0, 0x0, 0x0) r6 = open(&(0x7f00000000c0)='./bus\x00', 0x68042, 0x62) r7 = open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) write$dsp(r6, &(0x7f0000000100)='n', 0x1) sendfile(r6, r7, 0x0, 0x1000000201005) ioctl$KVM_SET_USER_MEMORY_REGION(r7, 0x4020ae46, &(0x7f00000011c0)={0x1ff, 0x0, 0xeeee8000, 0x1000, &(0x7f0000fff000/0x1000)=nil}) ioctl$FITRIM(r1, 0xc4009420, &(0x7f0000000180)={0x5, 0x7a35}) (fail_nth: 70) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0) [ 116.433437][ T49] Bluetooth: hci0: command tx timeout [ 116.785145][ T5329] loop0: detected capacity change from 0 to 32768 [ 116.805003][ T5329] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5329) [ 116.839318][ T5329] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 116.857302][ T5329] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 116.860627][ T5329] BTRFS info (device loop0): using free-space-tree [ 116.890166][ T5329] BTRFS info (device loop0): rebuilding free space tree [ 116.975977][ T25] audit: type=1800 audit(1742446096.181:2): pid=5329 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.0" name="bus" dev="loop0" ino=263 res=0 errno=0 [ 117.081393][ T25] audit: type=1800 audit(1742446096.281:3): pid=5329 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.0" name="bus" dev="loop0" ino=263 res=0 errno=0 [ 117.151127][ T5330] FAULT_INJECTION: forcing a failure. [ 117.151127][ T5330] name failslab, interval 1, probability 0, space 0, times 1 [ 117.163445][ T5330] CPU: 0 UID: 0 PID: 5330 Comm: syz.0.0 Not tainted 6.14.0-rc7-syzkaller-00074-ga7f2e10ecd8f #0 [ 117.163463][ T5330] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 117.163468][ T5330] Call Trace: [ 117.163470][ T5330] [ 117.163474][ T5330] dump_stack_lvl+0x241/0x360 [ 117.163584][ T5330] ? __pfx_dump_stack_lvl+0x10/0x10 [ 117.163596][ T5330] ? __pfx__printk+0x10/0x10 [ 117.163608][ T5330] ? fs_reclaim_acquire+0x93/0x130 [ 117.163620][ T5330] ? __pfx___might_resched+0x10/0x10 [ 117.163638][ T5330] should_fail_ex+0x40a/0x550 [ 117.163684][ T5330] should_failslab+0xac/0x100 [ 117.163699][ T5330] ? alloc_reserved_file_extent+0x17a/0x6b0 [ 117.163713][ T5330] kmem_cache_alloc_noprof+0x70/0x380 [ 117.163732][ T5330] alloc_reserved_file_extent+0x17a/0x6b0 [ 117.163751][ T5330] ? __pfx_lock_acquire+0x10/0x10 [ 117.163768][ T5330] ? __pfx_alloc_reserved_file_extent+0x10/0x10 [ 117.163789][ T5330] ? do_raw_spin_unlock+0x58/0x8b0 [ 117.163805][ T5330] __btrfs_run_delayed_refs+0x1287/0x40f0 [ 117.163853][ T5330] ? __pfx___btrfs_run_delayed_refs+0x10/0x10 [ 117.163884][ T5330] ? __pfx_lock_acquire+0x10/0x10 [ 117.163901][ T5330] ? lockdep_hardirqs_on+0x99/0x150 [ 117.163946][ T5330] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 117.163959][ T5330] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 117.163975][ T5330] btrfs_run_delayed_refs+0xe3/0x2f0 [ 117.163991][ T5330] btrfs_commit_transaction+0x4b9/0x3760 [ 117.164004][ T5330] ? stack_depot_save_flags+0x7b4/0x940 [ 117.164021][ T5330] ? btrfs_commit_transaction+0x177/0x3760 [ 117.164034][ T5330] ? kasan_save_track+0x51/0x80 [ 117.164045][ T5330] ? kmem_cache_free+0x195/0x410 [ 117.164057][ T5330] ? insert_balance_item+0x1270/0x20a0 [ 117.164068][ T5330] ? btrfs_balance+0x992/0x10c0 [ 117.164078][ T5330] ? btrfs_ioctl_balance+0x3f5/0x660 [ 117.164089][ T5330] ? __se_sys_ioctl+0xf5/0x170 [ 117.164099][ T5330] ? do_syscall_64+0xf3/0x230 [ 117.164113][ T5330] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 117.164127][ T5330] ? __pfx_btrfs_commit_transaction+0x10/0x10 [ 117.164138][ T5330] ? mark_lock+0x9a/0x360 [ 117.164148][ T5330] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 117.164163][ T5330] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 117.164183][ T5330] ? kasan_quarantine_put+0xdc/0x230 [ 117.164193][ T5330] ? lockdep_hardirqs_on+0x99/0x150 [ 117.164208][ T5330] ? insert_balance_item+0x1270/0x20a0 [ 117.164222][ T5330] ? insert_balance_item+0x1270/0x20a0 [ 117.164236][ T5330] insert_balance_item+0x1278/0x20a0 [ 117.164255][ T5330] ? __pfx_insert_balance_item+0x10/0x10 [ 117.164277][ T5330] ? read_seqbegin+0x200/0x2c0 [ 117.164290][ T5330] ? __pfx_read_seqbegin+0x10/0x10 [ 117.164306][ T5330] ? validate_convert_profile+0x7d/0x2c0 [ 117.164320][ T5330] btrfs_balance+0x992/0x10c0 [ 117.164344][ T5330] btrfs_ioctl_balance+0x3f5/0x660 [ 117.164355][ T5330] ? btrfs_ioctl+0xb18/0xcf0 [ 117.164368][ T5330] ? __pfx_btrfs_ioctl+0x10/0x10 [ 117.164383][ T5330] __se_sys_ioctl+0xf5/0x170 [ 117.164395][ T5330] do_syscall_64+0xf3/0x230 [ 117.164410][ T5330] ? clear_bhb_loop+0x35/0x90 [ 117.164431][ T5330] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 117.164443][ T5330] RIP: 0033:0x7f080518d169 [ 117.164455][ T5330] 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 a8 ff ff ff f7 d8 64 89 01 48 [ 117.164463][ T5330] RSP: 002b:00007f0805f4a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 117.164475][ T5330] RAX: ffffffffffffffda RBX: 00007f08053a6080 RCX: 00007f080518d169 [ 117.164482][ T5330] RDX: 0000200000000180 RSI: 00000000c4009420 RDI: 0000000000000005 [ 117.164489][ T5330] RBP: 00007f0805f4a090 R08: 0000000000000000 R09: 0000000000000000 [ 117.164495][ T5330] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 117.164500][ T5330] R13: 0000000000000000 R14: 00007f08053a6080 R15: 00007ffe1e5fff58 [ 117.164515][ T5330] [ 117.164698][ T5330] BTRFS error (device loop0): failed to run delayed ref for logical 5345280 num_bytes 4096 type 178 action 1 ref_mod 1: -12 [ 117.396346][ T5330] BTRFS error (device loop0 state A): Transaction aborted (error -12) [ 117.402364][ T1055] ------------[ cut here ]------------ [ 117.404634][ T1055] WARNING: CPU: 0 PID: 1055 at fs/btrfs/extent-tree.c:3196 __btrfs_free_extent+0x29b1/0x3980 [ 117.408513][ T1055] Modules linked in: [ 117.409996][ T1055] CPU: 0 UID: 0 PID: 1055 Comm: kworker/u4:8 Not tainted 6.14.0-rc7-syzkaller-00074-ga7f2e10ecd8f #0 [ 117.414075][ T1055] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 117.418628][ T1055] Workqueue: events_unbound btrfs_async_reclaim_metadata_space [ 117.421548][ T1055] RIP: 0010:__btrfs_free_extent+0x29b1/0x3980 [ 117.423877][ T1055] Code: 8b 44 24 08 8b 10 48 89 df 48 c7 c6 e0 24 6c 8c e8 b4 c1 42 fd 49 be 00 00 00 00 00 fc ff df bb 8b ff ff ff e9 8d f3 ff ff 90 <0f> 0b 90 48 8b 44 24 20 42 80 3c 20 00 48 8b 1c 24 74 08 48 89 df [ 117.431410][ T1055] RSP: 0018:ffffc90002fa7300 EFLAGS: 00010246 [ 117.433588][ T1055] RAX: 0000000000000000 RBX: 00000000fffffffe RCX: ffff888035d38000 [ 117.436603][ T1055] RDX: 0000000000000002 RSI: ffffffff8f0b16f0 RDI: 00000000fffffffe [ 117.439245][ T1055] RBP: ffffc90002fa74d0 R08: 0000000000000005 R09: ffffffff83e4d3ea [ 117.441849][ T1055] R10: 0000000000000002 R11: ffff888035d38000 R12: dffffc0000000000 [ 117.444961][ T1055] R13: ffff8880537810f0 R14: 00000000fffffffe R15: ffff8880449350b0 [ 117.448148][ T1055] FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 117.451330][ T1055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 117.453347][ T1055] CR2: 00007f0805f28fe0 CR3: 0000000036722000 CR4: 0000000000352ef0 [ 117.456391][ T1055] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 117.459353][ T1055] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 117.462305][ T1055] Call Trace: [ 117.463839][ T1055] [ 117.464998][ T1055] ? __warn+0x165/0x4d0 [ 117.466802][ T1055] ? __btrfs_free_extent+0x29b1/0x3980 [ 117.468906][ T1055] ? report_bug+0x2b3/0x500 [ 117.470626][ T1055] ? __btrfs_free_extent+0x29b1/0x3980 [ 117.472758][ T1055] ? handle_bug+0x60/0x90 [ 117.474377][ T1055] ? exc_invalid_op+0x1a/0x50 [ 117.476366][ T1055] ? asm_exc_invalid_op+0x1a/0x20 [ 117.478506][ T1055] ? __btrfs_free_extent+0x51a/0x3980 [ 117.480578][ T1055] ? __btrfs_free_extent+0x29b1/0x3980 [ 117.482694][ T1055] ? __pfx___btrfs_free_extent+0x10/0x10 [ 117.484861][ T1055] ? __lock_acquire+0x2030/0x2100 [ 117.488491][ T1055] ? do_raw_spin_unlock+0x58/0x8b0 [ 117.489969][ T1055] __btrfs_run_delayed_refs+0xf9f/0x40f0 [ 117.492016][ T1055] ? __pfx___btrfs_run_delayed_refs+0x10/0x10 [ 117.494245][ T1055] ? __asan_memset+0x23/0x50 [ 117.496861][ T1055] ? lockdep_init_map_type+0xa1/0x910 [ 117.498879][ T1055] ? lockdep_cleanup_dead_cpu+0x100/0x190 [ 117.501130][ T1055] ? do_raw_spin_unlock+0x58/0x8b0 [ 117.503249][ T1055] ? join_transaction+0x426/0xe60 [ 117.505111][ T1055] btrfs_run_delayed_refs+0xe3/0x2f0 [ 117.506974][ T1055] flush_space+0x274/0xd30 [ 117.508706][ T1055] ? __pfx_lock_acquire+0x10/0x10 [ 117.510641][ T1055] ? btrfs_async_reclaim_metadata_space+0x300/0x3b0 [ 117.512770][ T1055] ? __pfx_lock_release+0x10/0x10 [ 117.514759][ T1055] ? do_raw_spin_lock+0x14f/0x370 [ 117.516840][ T1055] ? __pfx_flush_space+0x10/0x10 [ 117.518698][ T1055] ? do_raw_spin_unlock+0x58/0x8b0 [ 117.520584][ T1055] ? btrfs_calc_reclaim_metadata_size+0xbc/0x220 [ 117.522991][ T1055] btrfs_async_reclaim_metadata_space+0x178/0x3b0 [ 117.525588][ T1055] ? process_scheduled_works+0x9c6/0x18e0 [ 117.527730][ T1055] process_scheduled_works+0xabe/0x18e0 [ 117.529817][ T1055] ? __pfx_process_scheduled_works+0x10/0x10 [ 117.532140][ T1055] ? assign_work+0x364/0x3d0 [ 117.533881][ T1055] worker_thread+0x870/0xd30 [ 117.535793][ T1055] ? __kthread_parkme+0x169/0x1d0 [ 117.537712][ T1055] ? __pfx_worker_thread+0x10/0x10 [ 117.539731][ T1055] kthread+0x7a9/0x920 [ 117.541379][ T1055] ? __pfx_kthread+0x10/0x10 [ 117.543159][ T1055] ? __pfx_worker_thread+0x10/0x10 [ 117.545141][ T1055] ? __pfx_kthread+0x10/0x10 [ 117.547070][ T1055] ? __pfx_kthread+0x10/0x10 [ 117.548934][ T1055] ? __pfx_kthread+0x10/0x10 [ 117.550739][ T1055] ? _raw_spin_unlock_irq+0x23/0x50 [ 117.552782][ T1055] ? lockdep_hardirqs_on+0x99/0x150 [ 117.554529][ T1055] ? __pfx_kthread+0x10/0x10 [ 117.556439][ T1055] ret_from_fork+0x4b/0x80 [ 117.558101][ T1055] ? __pfx_kthread+0x10/0x10 [ 117.559782][ T1055] ret_from_fork_asm+0x1a/0x30 [ 117.561585][ T1055] [ 117.562736][ T1055] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 117.565402][ T1055] CPU: 0 UID: 0 PID: 1055 Comm: kworker/u4:8 Not tainted 6.14.0-rc7-syzkaller-00074-ga7f2e10ecd8f #0 [ 117.569105][ T1055] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 117.572961][ T1055] Workqueue: events_unbound btrfs_async_reclaim_metadata_space [ 117.575724][ T1055] Call Trace: [ 117.576908][ T1055] [ 117.577966][ T1055] dump_stack_lvl+0x241/0x360 [ 117.579852][ T1055] ? __pfx_dump_stack_lvl+0x10/0x10 [ 117.581593][ T1055] ? __pfx__printk+0x10/0x10 [ 117.583336][ T1055] ? _printk+0xd5/0x120 [ 117.584934][ T1055] ? __init_begin+0x41000/0x41000 [ 117.586842][ T1055] ? vscnprintf+0x5d/0x90 [ 117.588282][ T1055] panic+0x349/0x880 [ 117.589650][ T1055] ? __warn+0x174/0x4d0 [ 117.591144][ T1055] ? __pfx_panic+0x10/0x10 [ 117.592731][ T1055] ? ret_from_fork_asm+0x1a/0x30 [ 117.594473][ T1055] __warn+0x344/0x4d0 [ 117.595926][ T1055] ? __btrfs_free_extent+0x29b1/0x3980 [ 117.597865][ T1055] report_bug+0x2b3/0x500 [ 117.599472][ T1055] ? __btrfs_free_extent+0x29b1/0x3980 [ 117.601421][ T1055] handle_bug+0x60/0x90 [ 117.603008][ T1055] exc_invalid_op+0x1a/0x50 [ 117.604734][ T1055] asm_exc_invalid_op+0x1a/0x20 [ 117.606497][ T1055] RIP: 0010:__btrfs_free_extent+0x29b1/0x3980 [ 117.608999][ T1055] Code: 8b 44 24 08 8b 10 48 89 df 48 c7 c6 e0 24 6c 8c e8 b4 c1 42 fd 49 be 00 00 00 00 00 fc ff df bb 8b ff ff ff e9 8d f3 ff ff 90 <0f> 0b 90 48 8b 44 24 20 42 80 3c 20 00 48 8b 1c 24 74 08 48 89 df [ 117.616025][ T1055] RSP: 0018:ffffc90002fa7300 EFLAGS: 00010246 [ 117.618306][ T1055] RAX: 0000000000000000 RBX: 00000000fffffffe RCX: ffff888035d38000 [ 117.621246][ T1055] RDX: 0000000000000002 RSI: ffffffff8f0b16f0 RDI: 00000000fffffffe [ 117.624294][ T1055] RBP: ffffc90002fa74d0 R08: 0000000000000005 R09: ffffffff83e4d3ea [ 117.627202][ T1055] R10: 0000000000000002 R11: ffff888035d38000 R12: dffffc0000000000 [ 117.630126][ T1055] R13: ffff8880537810f0 R14: 00000000fffffffe R15: ffff8880449350b0 [ 117.632766][ T1055] ? __btrfs_free_extent+0x51a/0x3980 [ 117.634660][ T1055] ? __pfx___btrfs_free_extent+0x10/0x10 [ 117.636849][ T1055] ? __lock_acquire+0x2030/0x2100 [ 117.638793][ T1055] ? do_raw_spin_unlock+0x58/0x8b0 [ 117.640690][ T1055] __btrfs_run_delayed_refs+0xf9f/0x40f0 [ 117.642726][ T1055] ? __pfx___btrfs_run_delayed_refs+0x10/0x10 [ 117.644822][ T1055] ? __asan_memset+0x23/0x50 [ 117.646537][ T1055] ? lockdep_init_map_type+0xa1/0x910 [ 117.648626][ T1055] ? lockdep_cleanup_dead_cpu+0x100/0x190 [ 117.650559][ T1055] ? do_raw_spin_unlock+0x58/0x8b0 [ 117.652516][ T1055] ? join_transaction+0x426/0xe60 [ 117.654347][ T1055] btrfs_run_delayed_refs+0xe3/0x2f0 [ 117.656247][ T1055] flush_space+0x274/0xd30 [ 117.658014][ T1055] ? __pfx_lock_acquire+0x10/0x10 [ 117.659974][ T1055] ? btrfs_async_reclaim_metadata_space+0x300/0x3b0 [ 117.662421][ T1055] ? __pfx_lock_release+0x10/0x10 [ 117.664263][ T1055] ? do_raw_spin_lock+0x14f/0x370 [ 117.666142][ T1055] ? __pfx_flush_space+0x10/0x10 [ 117.668013][ T1055] ? do_raw_spin_unlock+0x58/0x8b0 [ 117.669927][ T1055] ? btrfs_calc_reclaim_metadata_size+0xbc/0x220 [ 117.672267][ T1055] btrfs_async_reclaim_metadata_space+0x178/0x3b0 [ 117.674742][ T1055] ? process_scheduled_works+0x9c6/0x18e0 [ 117.676824][ T1055] process_scheduled_works+0xabe/0x18e0 [ 117.678888][ T1055] ? __pfx_process_scheduled_works+0x10/0x10 [ 117.681138][ T1055] ? assign_work+0x364/0x3d0 [ 117.682905][ T1055] worker_thread+0x870/0xd30 [ 117.684513][ T1055] ? __kthread_parkme+0x169/0x1d0 [ 117.686373][ T1055] ? __pfx_worker_thread+0x10/0x10 [ 117.688369][ T1055] kthread+0x7a9/0x920 [ 117.689923][ T1055] ? __pfx_kthread+0x10/0x10 [ 117.691726][ T1055] ? __pfx_worker_thread+0x10/0x10 [ 117.693502][ T1055] ? __pfx_kthread+0x10/0x10 [ 117.695306][ T1055] ? __pfx_kthread+0x10/0x10 [ 117.697074][ T1055] ? __pfx_kthread+0x10/0x10 [ 117.698903][ T1055] ? _raw_spin_unlock_irq+0x23/0x50 [ 117.700879][ T1055] ? lockdep_hardirqs_on+0x99/0x150 [ 117.702825][ T1055] ? __pfx_kthread+0x10/0x10 [ 117.704647][ T1055] ret_from_fork+0x4b/0x80 [ 117.706363][ T1055] ? __pfx_kthread+0x10/0x10 [ 117.708269][ T1055] ret_from_fork_asm+0x1a/0x30 [ 117.710143][ T1055] [ 117.711654][ T1055] Kernel Offset: disabled [ 117.713397][ T1055] Rebooting in 86400 seconds..