program:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
r1 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000000), 0x0)
ioctl$SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000000040)={{}, {0x18}, 0x0, 0x7})
r2 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000180), 0x0)
ioctl$SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT(r2, 0x40505331, &(0x7f0000000540)={{}, {0x18}, 0x0, 0x6})
ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000000240)={0x8, 0x0, &(0x7f0000000100)=[@increfs], 0x0, 0x0, 0x0})
syz_mount_image$btrfs(&(0x7f0000005100), &(0x7f0000000040)='./file1\x00', 0x4080, &(0x7f0000000000), 0xfb, 0x50f9, 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syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./file1\x00', 0x0, 0x80)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0xc4042, 0x1ff)
r5 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)
sendfile(r4, r5, 0x0, 0x20fffe82)
ioctl$FITRIM(r3, 0xc4009420, &(0x7f0000000200)={0x2, 0x5, 0x3ffffffffffffffd})
[ 86.195582][ T4669] Bluetooth: hci0: command tx timeout
[ 86.707511][ T5324] loop0: detected capacity change from 0 to 32768
[ 86.760262][ T5324] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5324)
[ 86.808957][ T5324] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[ 86.820287][ T5324] BTRFS info (device loop0): using crc32c (crc32c-lib) checksum algorithm
[ 86.989513][ T5324] BTRFS info (device loop0): enabling ssd optimizations
[ 87.007041][ T5324] BTRFS info (device loop0): turning on async discard
[ 87.009976][ T5324] BTRFS info (device loop0): enabling free space tree
[ 87.061543][ T25] audit: type=1804 audit(1770675114.334:2): pid=5324 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz.0.0" name="/newroot/0/file1/file1" dev="loop0" ino=260 res=1 errno=0
[ 87.213578][ T5325] BTRFS info (device loop0): balance: start -s
[ 87.242236][ T5324] ------------[ cut here ]------------
[ 87.244867][ T5324] BTRFS: Transaction aborted (error -28)
[ 87.247184][ T5324] WARNING: fs/btrfs/block-group.c:4012 at btrfs_chunk_alloc+0x101d/0x15d0, CPU#0: syz.0.0/5324
[ 87.251923][ T5324] Modules linked in:
[ 87.253713][ T5324] CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 87.257570][ T5324] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 87.262130][ T5324] RIP: 0010:btrfs_chunk_alloc+0x101f/0x15d0
[ 87.264643][ T5324] Code: 67 1b bd fd e9 6d 01 00 00 e8 3d 3c a2 fd 84 c0 74 22 e8 54 1b bd fd e9 5a 01 00 00 e8 4a 1b bd fd 48 8d 3d 23 58 f1 0b 89 de <67> 48 0f b9 3a e9 b3 fc ff ff e8 02 b6 91 07 41 89 c6 31 ff 89 c6
[ 87.273012][ T5324] RSP: 0018:ffffc9000bd165f8 EFLAGS: 00010283
[ 87.275666][ T5324] RAX: ffffffff84076e76 RBX: ffffffffffffffe4 RCX: 0000000000100000
[ 87.278995][ T5324] RDX: ffffc90020001000 RSI: 00000000ffffffe4 RDI: ffffffff8ff8c6a0
[ 87.283021][ T5324] RBP: 0000000000000000 R08: ffff8880003524c0 R09: 0000000000000003
[ 87.286452][ T5324] R10: 00000000fffffffb R11: 0000000000000002 R12: 1ffff110080bbc16
[ 87.290115][ T5324] R13: ffff8880489a8188 R14: ffff8880403e4001 R15: ffff88804212d800
[ 87.293762][ T5324] FS: 00007f8bc2bed6c0(0000) GS:ffff88808cce8000(0000) knlGS:0000000000000000
[ 87.297619][ T5324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 87.300120][ T5324] CR2: 0000561040efb5f8 CR3: 00000000378a9000 CR4: 0000000000352ef0
[ 87.303332][ T5324] Call Trace:
[ 87.304822][ T5324]
[ 87.306216][ T5324] find_free_extent+0x45c3/0x5d00
[ 87.308625][ T5324] btrfs_reserve_extent+0x30e/0x7f0
[ 87.311417][ T5324] ? __pfx_btrfs_reserve_extent+0x10/0x10
[ 87.313868][ T5324] ? do_raw_read_unlock+0x3d/0x80
[ 87.316090][ T5324] cow_file_range+0x539/0x1420
[ 87.318528][ T5324] ? __pfx_cow_file_range+0x10/0x10
[ 87.321827][ T5324] ? btrfs_run_delalloc_range+0x3a6/0xf50
[ 87.324561][ T5324] ? __pfx_btrfs_folio_set_lock+0x10/0x10
[ 87.327601][ T5324] ? __lock_acquire+0x6b5/0x2cf0
[ 87.330363][ T5324] ? __bitmap_set+0x12f/0x170
[ 87.332945][ T5324] writepage_delalloc+0x11ac/0x1db0
[ 87.335145][ T5324] ? __pfx_writepage_delalloc+0x10/0x10
[ 87.337590][ T5324] ? set_folio_extent_mapped+0x166/0x4b0
[ 87.339969][ T5324] btrfs_writepages+0x14d3/0x23f0
[ 87.342133][ T5324] ? __pfx_btrfs_writepages+0x10/0x10
[ 87.344524][ T5324] ? __lock_acquire+0x6b5/0x2cf0
[ 87.346787][ T5324] ? __pfx_btrfs_writepages+0x10/0x10
[ 87.349263][ T5324] do_writepages+0x32e/0x550
[ 87.351364][ T5324] ? do_raw_spin_unlock+0x4d/0x210
[ 87.353488][ T5324] filemap_fdatawrite_range+0x1ef/0x2f0
[ 87.355864][ T5324] ? __pfx_filemap_fdatawrite_range+0x10/0x10
[ 87.358489][ T5324] ? btrfs_buffered_write+0x14c2/0x1650
[ 87.361013][ T5324] ? __pfx_btrfs_buffered_write+0x10/0x10
[ 87.363699][ T5324] ? btrfs_direct_write+0x531/0xbc0
[ 87.365867][ T5324] btrfs_fdatawrite_range+0x54/0xf0
[ 87.368063][ T5324] btrfs_direct_write+0x5b9/0xbc0
[ 87.370230][ T5324] ? __pfx_btrfs_direct_write+0x10/0x10
[ 87.372731][ T5324] btrfs_do_write_iter+0x32c/0x830
[ 87.374975][ T5324] ? __pfx_btrfs_do_write_iter+0x10/0x10
[ 87.377239][ T5324] ? __asan_memset+0x22/0x50
[ 87.379254][ T5324] iter_file_splice_write+0x99b/0x1100
[ 87.381783][ T5324] ? __pfx_iter_file_splice_write+0x10/0x10
[ 87.384335][ T5324] ? __pfx_iter_file_splice_write+0x10/0x10
[ 87.386702][ T5324] direct_splice_actor+0x101/0x160
[ 87.389055][ T5324] splice_direct_to_actor+0x53a/0xc70
[ 87.391887][ T5324] ? __pfx_direct_splice_actor+0x10/0x10
[ 87.394486][ T5324] ? __pfx_splice_direct_to_actor+0x10/0x10
[ 87.397250][ T5324] do_splice_direct+0x195/0x290
[ 87.399447][ T5324] ? __pfx_do_splice_direct+0x10/0x10
[ 87.401961][ T5324] ? __pfx_direct_file_splice_eof+0x10/0x10
[ 87.404417][ T5324] ? rw_verify_area+0x255/0x4d0
[ 87.406539][ T5324] do_sendfile+0x535/0x7d0
[ 87.408410][ T5324] ? lockdep_hardirqs_on+0x7a/0x110
[ 87.410704][ T5324] ? __pfx_do_sendfile+0x10/0x10
[ 87.412980][ T5324] ? __se_sys_futex+0x3a8/0x450
[ 87.415409][ T5324] __se_sys_sendfile64+0x144/0x1a0
[ 87.417536][ T5324] ? __pfx___se_sys_sendfile64+0x10/0x10
[ 87.419997][ T5324] do_syscall_64+0xe2/0xf80
[ 87.422250][ T5324] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.424853][ T5324] ? trace_irq_disable+0x37/0x100
[ 87.427177][ T5324] ? clear_bhb_loop+0x60/0xb0
[ 87.429346][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.431924][ T5324] RIP: 0033:0x7f8bc679af79
[ 87.433855][ T5324] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[ 87.441957][ T5324] RSP: 002b:00007f8bc2bed028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
[ 87.445380][ T5324] RAX: ffffffffffffffda RBX: 00007f8bc6a15fa0 RCX: 00007f8bc679af79
[ 87.448511][ T5324] RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000009
[ 87.451366][ T5324] RBP: 00007f8bc68316e0 R08: 0000000000000000 R09: 0000000000000000
[ 87.454614][ T5324] R10: 0000000020fffe82 R11: 0000000000000246 R12: 0000000000000000
[ 87.458052][ T5324] R13: 00007f8bc6a16038 R14: 00007f8bc6a15fa0 R15: 00007ffd327574e8
[ 87.461621][ T5324]
[ 87.463165][ T5324] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 87.466760][ T5324] CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 87.470755][ T5324] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 87.475087][ T5324] Call Trace:
[ 87.476621][ T5324]
[ 87.477915][ T5324] vpanic+0x1e0/0x670
[ 87.479708][ T5324] panic+0xc5/0xd0
[ 87.481458][ T5324] ? __pfx_panic+0x10/0x10
[ 87.483499][ T5324] __warn+0x315/0x4a0
[ 87.485182][ T5324] ? btrfs_chunk_alloc+0x101d/0x15d0
[ 87.487377][ T5324] ? btrfs_chunk_alloc+0x101d/0x15d0
[ 87.489470][ T5324] __report_bug+0x29a/0x540
[ 87.491344][ T5324] ? btrfs_chunk_alloc+0x101d/0x15d0
[ 87.493658][ T5324] ? __pfx___report_bug+0x10/0x10
[ 87.495747][ T5324] report_bug_entry+0x19a/0x290
[ 87.497636][ T5324] ? btrfs_chunk_alloc+0x101f/0x15d0
[ 87.499748][ T5324] ? btrfs_chunk_alloc+0x1024/0x15d0
[ 87.502105][ T5324] handle_bug+0xca/0x200
[ 87.503900][ T5324] exc_invalid_op+0x1a/0x50
[ 87.505827][ T5324] asm_exc_invalid_op+0x1a/0x20
[ 87.508073][ T5324] RIP: 0010:btrfs_chunk_alloc+0x101f/0x15d0
[ 87.510697][ T5324] Code: 67 1b bd fd e9 6d 01 00 00 e8 3d 3c a2 fd 84 c0 74 22 e8 54 1b bd fd e9 5a 01 00 00 e8 4a 1b bd fd 48 8d 3d 23 58 f1 0b 89 de <67> 48 0f b9 3a e9 b3 fc ff ff e8 02 b6 91 07 41 89 c6 31 ff 89 c6
[ 87.518418][ T5324] RSP: 0018:ffffc9000bd165f8 EFLAGS: 00010283
[ 87.521080][ T5324] RAX: ffffffff84076e76 RBX: ffffffffffffffe4 RCX: 0000000000100000
[ 87.525333][ T5324] RDX: ffffc90020001000 RSI: 00000000ffffffe4 RDI: ffffffff8ff8c6a0
[ 87.528519][ T5324] RBP: 0000000000000000 R08: ffff8880003524c0 R09: 0000000000000003
[ 87.531898][ T5324] R10: 00000000fffffffb R11: 0000000000000002 R12: 1ffff110080bbc16
[ 87.535295][ T5324] R13: ffff8880489a8188 R14: ffff8880403e4001 R15: ffff88804212d800
[ 87.538670][ T5324] ? btrfs_chunk_alloc+0x1016/0x15d0
[ 87.540935][ T5324] ? btrfs_chunk_alloc+0x1016/0x15d0
[ 87.543101][ T5324] find_free_extent+0x45c3/0x5d00
[ 87.545229][ T5324] btrfs_reserve_extent+0x30e/0x7f0
[ 87.547633][ T5324] ? __pfx_btrfs_reserve_extent+0x10/0x10
[ 87.550293][ T5324] ? do_raw_read_unlock+0x3d/0x80
[ 87.552611][ T5324] cow_file_range+0x539/0x1420
[ 87.554712][ T5324] ? __pfx_cow_file_range+0x10/0x10
[ 87.557033][ T5324] ? btrfs_run_delalloc_range+0x3a6/0xf50
[ 87.559325][ T5324] ? __pfx_btrfs_folio_set_lock+0x10/0x10
[ 87.561504][ T5324] ? __lock_acquire+0x6b5/0x2cf0
[ 87.563427][ T5324] ? __bitmap_set+0x12f/0x170
[ 87.565407][ T5324] writepage_delalloc+0x11ac/0x1db0
[ 87.567543][ T5324] ? __pfx_writepage_delalloc+0x10/0x10
[ 87.570005][ T5324] ? set_folio_extent_mapped+0x166/0x4b0
[ 87.572283][ T5324] btrfs_writepages+0x14d3/0x23f0
[ 87.574369][ T5324] ? __pfx_btrfs_writepages+0x10/0x10
[ 87.576646][ T5324] ? __lock_acquire+0x6b5/0x2cf0
[ 87.578691][ T5324] ? __pfx_btrfs_writepages+0x10/0x10
[ 87.580896][ T5324] do_writepages+0x32e/0x550
[ 87.582964][ T5324] ? do_raw_spin_unlock+0x4d/0x210
[ 87.585092][ T5324] filemap_fdatawrite_range+0x1ef/0x2f0
[ 87.587325][ T5324] ? __pfx_filemap_fdatawrite_range+0x10/0x10
[ 87.589754][ T5324] ? btrfs_buffered_write+0x14c2/0x1650
[ 87.592088][ T5324] ? __pfx_btrfs_buffered_write+0x10/0x10
[ 87.594468][ T5324] ? btrfs_direct_write+0x531/0xbc0
[ 87.596585][ T5324] btrfs_fdatawrite_range+0x54/0xf0
[ 87.598809][ T5324] btrfs_direct_write+0x5b9/0xbc0
[ 87.601011][ T5324] ? __pfx_btrfs_direct_write+0x10/0x10
[ 87.603269][ T5324] btrfs_do_write_iter+0x32c/0x830
[ 87.605514][ T5324] ? __pfx_btrfs_do_write_iter+0x10/0x10
[ 87.607961][ T5324] ? __asan_memset+0x22/0x50
[ 87.609969][ T5324] iter_file_splice_write+0x99b/0x1100
[ 87.612342][ T5324] ? __pfx_iter_file_splice_write+0x10/0x10
[ 87.614846][ T5324] ? __pfx_iter_file_splice_write+0x10/0x10
[ 87.617371][ T5324] direct_splice_actor+0x101/0x160
[ 87.619538][ T5324] splice_direct_to_actor+0x53a/0xc70
[ 87.621823][ T5324] ? __pfx_direct_splice_actor+0x10/0x10
[ 87.624128][ T5324] ? __pfx_splice_direct_to_actor+0x10/0x10
[ 87.626467][ T5324] do_splice_direct+0x195/0x290
[ 87.628140][ T5324] ? __pfx_do_splice_direct+0x10/0x10
[ 87.630330][ T5324] ? __pfx_direct_file_splice_eof+0x10/0x10
[ 87.632805][ T5324] ? rw_verify_area+0x255/0x4d0
[ 87.634952][ T5324] do_sendfile+0x535/0x7d0
[ 87.636999][ T5324] ? lockdep_hardirqs_on+0x7a/0x110
[ 87.639394][ T5324] ? __pfx_do_sendfile+0x10/0x10
[ 87.641520][ T5324] ? __se_sys_futex+0x3a8/0x450
[ 87.644267][ T5324] __se_sys_sendfile64+0x144/0x1a0
[ 87.647212][ T5324] ? __pfx___se_sys_sendfile64+0x10/0x10
[ 87.650190][ T5324] do_syscall_64+0xe2/0xf80
[ 87.652204][ T5324] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.654650][ T5324] ? trace_irq_disable+0x37/0x100
[ 87.656703][ T5324] ? clear_bhb_loop+0x60/0xb0
[ 87.658676][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.661556][ T5324] RIP: 0033:0x7f8bc679af79
[ 87.663799][ T5324] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[ 87.672397][ T5324] RSP: 002b:00007f8bc2bed028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
[ 87.675874][ T5324] RAX: ffffffffffffffda RBX: 00007f8bc6a15fa0 RCX: 00007f8bc679af79
[ 87.679109][ T5324] RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000009
[ 87.682353][ T5324] RBP: 00007f8bc68316e0 R08: 0000000000000000 R09: 0000000000000000
[ 87.685631][ T5324] R10: 0000000020fffe82 R11: 0000000000000246 R12: 0000000000000000
[ 87.688843][ T5324] R13: 00007f8bc6a16038 R14: 00007f8bc6a15fa0 R15: 00007ffd327574e8
[ 87.692102][ T5324]
[ 87.693809][ T5324] Kernel Offset: disabled
[ 87.695586][ T5324] Rebooting in 86400 seconds..