program:
syz_open_dev$loop(0x0, 0x1, 0x2)
syz_mount_image$btrfs(&(0x7f0000005100), &(0x7f0000005140)='./file0\x00', 0x0, &(0x7f0000005180), 0x1, 0x50ed, 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qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqCjtwLAAAAAAgzN86jJ4NAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAALgUAAD//wNUIwc=")
openat(0xffffffffffffff9c, &(0x7f0000005140)='./file0\x00', 0x0, 0x0) (async)
r0 = openat(0xffffffffffffff9c, &(0x7f0000005140)='./file0\x00', 0x0, 0x0)
sendmsg$NL80211_CMD_SET_PMKSA(0xffffffffffffffff, 0x0, 0x0)
mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file7\x00', 0x21c0, 0x103) (async)
mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file7\x00', 0x21c0, 0x103)
open$dir(&(0x7f0000000000)='./file1\x00', 0x100, 0x120) (async)
r1 = open$dir(&(0x7f0000000000)='./file1\x00', 0x100, 0x120)
fanotify_mark(r0, 0x1, 0x40000028, r1, &(0x7f0000000080)='./file7\x00')
renameat2(0xffffffffffffff9c, &(0x7f0000000580)='./file1\x00', 0xffffffffffffff9c, &(0x7f00000005c0)='./file7\x00', 0x0)
ioctl$BTRFS_IOC_BALANCE_V2(r0, 0xc4009420, &(0x7f0000000300)={0x5, 0x0, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x100}, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x100}})
io_setup(0x5, &(0x7f00000000c0))
[ 96.934314][ T5287] Bluetooth: hci0: command tx timeout
[ 97.313431][ T5329] loop0: detected capacity change from 0 to 32768
[ 97.339786][ T5329] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5329)
[ 97.417927][ T5329] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[ 97.430668][ T5329] BTRFS info (device loop0): using crc32c checksum algorithm
[ 97.601656][ T5329] BTRFS info (device loop0): enabling ssd optimizations
[ 97.610645][ T5329] BTRFS info (device loop0): turning on async discard
[ 97.613670][ T5329] BTRFS info (device loop0): enabling free space tree
[ 97.873929][ T5330] BTRFS info (device loop0): balance: start -dconvert=raid0 -mconvert=raid0
[ 97.901487][ T1061] ------------[ cut here ]------------
[ 97.904095][ T1061] btrfs_abort_should_print_stack(__error)
[ 97.904109][ T1061] WARNING: fs/btrfs/extent-tree.c:3429 at __btrfs_free_extent+0x1fd1/0x39c0, CPU#0: kworker/u4:8/1061
[ 97.912263][ T1061] Modules linked in:
[ 97.914228][ T1061] CPU: 0 UID: 0 PID: 1061 Comm: kworker/u4:8 Not tainted syzkaller #0 PREEMPT(full)
[ 97.918288][ T1061] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 97.922871][ T1061] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[ 97.926401][ T1061] RIP: 0010:__btrfs_free_extent+0x1fd1/0x39c0
[ 97.929031][ T1061] Code: 6c ba fd 45 85 f6 0f 85 e0 05 00 00 e8 f8 67 ba fd e9 47 09 00 00 e8 ee 67 ba fd eb 10 e8 e7 67 ba fd eb 09 e8 e0 67 ba fd 90 <0f> 0b 90 4c 8b 7c 24 10 44 89 e1 f7 d9 e9 93 e7 ff ff e8 d8 af c6
[ 97.937481][ T1061] RSP: 0018:ffffc9000535f280 EFLAGS: 00010293
[ 97.940200][ T1061] RAX: ffffffff840cbb00 RBX: ffff888052e08001 RCX: ffff888036764a80
[ 97.943586][ T1061] RDX: 0000000000000000 RSI: ffffffff8f1baf00 RDI: 00000000ffffffe4
[ 97.947094][ T1061] RBP: ffffc9000535f430 R08: ffff888036764a80 R09: 0000000000000003
[ 97.950786][ T1061] R10: 00000000fffffffb R11: 0000000000000000 R12: 00000000ffffffe4
[ 97.954494][ T1061] R13: ffff888044cd4758 R14: dffffc0000000000 R15: 00000000ffffffe4
[ 97.958284][ T1061] FS: 0000000000000000(0000) GS:ffff88808c540000(0000) knlGS:0000000000000000
[ 97.963698][ T1061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 97.966487][ T1061] CR2: 0000562fd0c425f8 CR3: 0000000011df3000 CR4: 0000000000352ef0
[ 97.969891][ T1061] Call Trace:
[ 97.971585][ T1061]
[ 97.972869][ T1061] ? __pfx___btrfs_free_extent+0x10/0x10
[ 97.975356][ T1061] ? do_raw_read_trylock+0x20/0xa0
[ 97.977516][ T1061] ? do_raw_spin_unlock+0x4d/0x210
[ 97.979700][ T1061] __btrfs_run_delayed_refs+0x166c/0x43b0
[ 97.982203][ T1061] ? __pfx_kasan_set_track+0x10/0x10
[ 97.984491][ T1061] ? kmem_cache_alloc_noprof+0x2a0/0x5f0
[ 97.987035][ T1061] ? __pfx___btrfs_run_delayed_refs+0x10/0x10
[ 97.989751][ T1061] ? join_transaction+0x6b2/0xd40
[ 97.992069][ T1061] ? join_transaction+0x6b2/0xd40
[ 97.994174][ T1061] ? do_raw_spin_unlock+0x4d/0x210
[ 97.996261][ T1061] ? join_transaction+0x6b2/0xd40
[ 97.998590][ T1061] ? btrfs_record_root_in_trans+0x90/0x180
[ 98.001493][ T1061] ? start_transaction+0x431/0x18b0
[ 98.003866][ T1061] btrfs_run_delayed_refs+0xdc/0x2a0
[ 98.006284][ T1061] flush_space+0x56d/0xde0
[ 98.008320][ T1061] ? do_raw_spin_lock+0x12b/0x2f0
[ 98.010512][ T1061] ? __pfx_flush_space+0x10/0x10
[ 98.012798][ T1061] ? do_raw_spin_unlock+0x4d/0x210
[ 98.015018][ T1061] do_async_reclaim_metadata_space+0x3e8/0x940
[ 98.017626][ T1061] btrfs_async_reclaim_metadata_space+0x89/0xe0
[ 98.020211][ T1061] ? process_scheduled_works+0xa20/0x14e0
[ 98.022608][ T1061] process_scheduled_works+0xa8e/0x14e0
[ 98.025086][ T1061] ? __pfx_process_scheduled_works+0x10/0x10
[ 98.027569][ T1061] ? assign_work+0x3cf/0x5d0
[ 98.029485][ T1061] worker_thread+0xa47/0xfb0
[ 98.031535][ T1061] ? __kthread_parkme+0x71/0x1f0
[ 98.033641][ T1061] kthread+0x388/0x470
[ 98.035382][ T1061] ? __pfx_worker_thread+0x10/0x10
[ 98.037465][ T1061] ? __pfx_kthread+0x10/0x10
[ 98.039452][ T1061] ret_from_fork+0x514/0xb70
[ 98.042320][ T1061] ? __pfx_ret_from_fork+0x10/0x10
[ 98.044443][ T1061] ? __switch_to+0xc89/0x1420
[ 98.046482][ T1061] ? __pfx_kthread+0x10/0x10
[ 98.048535][ T1061] ret_from_fork_asm+0x1a/0x30
[ 98.050781][ T1061]
[ 98.052101][ T1061] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 98.055014][ T1061] CPU: 0 UID: 0 PID: 1061 Comm: kworker/u4:8 Not tainted syzkaller #0 PREEMPT(full)
[ 98.058852][ T1061] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 98.063085][ T1061] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[ 98.066252][ T1061] Call Trace:
[ 98.067664][ T1061]
[ 98.068911][ T1061] vpanic+0x56c/0xa60
[ 98.070656][ T1061] ? __pfx__printk+0x10/0x10
[ 98.072732][ T1061] ? __pfx_vpanic+0x10/0x10
[ 98.074751][ T1061] ? is_bpf_text_address+0x292/0x2b0
[ 98.077037][ T1061] ? is_bpf_text_address+0x26/0x2b0
[ 98.079318][ T1061] panic+0xc5/0xd0
[ 98.081509][ T1061] ? __pfx_panic+0x10/0x10
[ 98.083523][ T1061] ? ret_from_fork_asm+0x1a/0x30
[ 98.085614][ T1061] __warn+0x315/0x4c0
[ 98.087340][ T1061] ? __btrfs_free_extent+0x1fd1/0x39c0
[ 98.089606][ T1061] ? __btrfs_free_extent+0x1fd1/0x39c0
[ 98.092152][ T1061] __report_bug+0x276/0x570
[ 98.094096][ T1061] ? __btrfs_free_extent+0x1fd1/0x39c0
[ 98.096452][ T1061] ? __pfx___report_bug+0x10/0x10
[ 98.098681][ T1061] ? __btrfs_free_extent+0x1fd1/0x39c0
[ 98.100959][ T1061] report_bug+0x16a/0x220
[ 98.102804][ T1061] ? __btrfs_free_extent+0x1fd1/0x39c0
[ 98.105163][ T1061] ? __btrfs_free_extent+0x1fd3/0x39c0
[ 98.107475][ T1061] handle_bug+0x9c/0x200
[ 98.109274][ T1061] exc_invalid_op+0x1a/0x50
[ 98.111166][ T1061] asm_exc_invalid_op+0x1a/0x20
[ 98.113253][ T1061] RIP: 0010:__btrfs_free_extent+0x1fd1/0x39c0
[ 98.116155][ T1061] Code: 6c ba fd 45 85 f6 0f 85 e0 05 00 00 e8 f8 67 ba fd e9 47 09 00 00 e8 ee 67 ba fd eb 10 e8 e7 67 ba fd eb 09 e8 e0 67 ba fd 90 <0f> 0b 90 4c 8b 7c 24 10 44 89 e1 f7 d9 e9 93 e7 ff ff e8 d8 af c6
[ 98.124422][ T1061] RSP: 0018:ffffc9000535f280 EFLAGS: 00010293
[ 98.126914][ T1061] RAX: ffffffff840cbb00 RBX: ffff888052e08001 RCX: ffff888036764a80
[ 98.130377][ T1061] RDX: 0000000000000000 RSI: ffffffff8f1baf00 RDI: 00000000ffffffe4
[ 98.133757][ T1061] RBP: ffffc9000535f430 R08: ffff888036764a80 R09: 0000000000000003
[ 98.137083][ T1061] R10: 00000000fffffffb R11: 0000000000000000 R12: 00000000ffffffe4
[ 98.140515][ T1061] R13: ffff888044cd4758 R14: dffffc0000000000 R15: 00000000ffffffe4
[ 98.143775][ T1061] ? __btrfs_free_extent+0x1fd0/0x39c0
[ 98.146025][ T1061] ? __pfx___btrfs_free_extent+0x10/0x10
[ 98.148316][ T1061] ? do_raw_read_trylock+0x20/0xa0
[ 98.150482][ T1061] ? do_raw_spin_unlock+0x4d/0x210
[ 98.152590][ T1061] __btrfs_run_delayed_refs+0x166c/0x43b0
[ 98.154910][ T1061] ? __pfx_kasan_set_track+0x10/0x10
[ 98.157100][ T1061] ? kmem_cache_alloc_noprof+0x2a0/0x5f0
[ 98.159589][ T1061] ? __pfx___btrfs_run_delayed_refs+0x10/0x10
[ 98.162283][ T1061] ? join_transaction+0x6b2/0xd40
[ 98.164398][ T1061] ? join_transaction+0x6b2/0xd40
[ 98.166584][ T1061] ? do_raw_spin_unlock+0x4d/0x210
[ 98.168809][ T1061] ? join_transaction+0x6b2/0xd40
[ 98.170959][ T1061] ? btrfs_record_root_in_trans+0x90/0x180
[ 98.173486][ T1061] ? start_transaction+0x431/0x18b0
[ 98.175792][ T1061] btrfs_run_delayed_refs+0xdc/0x2a0
[ 98.178058][ T1061] flush_space+0x56d/0xde0
[ 98.180108][ T1061] ? do_raw_spin_lock+0x12b/0x2f0
[ 98.182268][ T1061] ? __pfx_flush_space+0x10/0x10
[ 98.184516][ T1061] ? do_raw_spin_unlock+0x4d/0x210
[ 98.186765][ T1061] do_async_reclaim_metadata_space+0x3e8/0x940
[ 98.189411][ T1061] btrfs_async_reclaim_metadata_space+0x89/0xe0
[ 98.192180][ T1061] ? process_scheduled_works+0xa20/0x14e0
[ 98.194529][ T1061] process_scheduled_works+0xa8e/0x14e0
[ 98.196911][ T1061] ? __pfx_process_scheduled_works+0x10/0x10
[ 98.199645][ T1061] ? assign_work+0x3cf/0x5d0
[ 98.201717][ T1061] worker_thread+0xa47/0xfb0
[ 98.203755][ T1061] ? __kthread_parkme+0x71/0x1f0
[ 98.205919][ T1061] kthread+0x388/0x470
[ 98.207735][ T1061] ? __pfx_worker_thread+0x10/0x10
[ 98.209923][ T1061] ? __pfx_kthread+0x10/0x10
[ 98.211908][ T1061] ret_from_fork+0x514/0xb70
[ 98.213796][ T1061] ? __pfx_ret_from_fork+0x10/0x10
[ 98.215884][ T1061] ? __switch_to+0xc89/0x1420
[ 98.217837][ T1061] ? __pfx_kthread+0x10/0x10
[ 98.219835][ T1061] ret_from_fork_asm+0x1a/0x30
[ 98.221883][ T1061]
[ 98.223672][ T1061] Kernel Offset: disabled
[ 98.225501][ T1061] Rebooting in 86400 seconds..