and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5310)
BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d
BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm
BTRFS info (device loop0): using free-space-tree
BTRFS info (device loop0): rebuilding free space tree
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 UID: 0 PID: 5310 Comm: syz.0.0 Not tainted 6.15.0-rc4-syzkaller-00296-ge8ab83e34bdc #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 fail_dump lib/fault-inject.c:73 [inline]
 should_fail_ex+0x414/0x560 lib/fault-inject.c:174
 should_failslab+0xa8/0x100 mm/failslab.c:46
 slab_pre_alloc_hook mm/slub.c:4100 [inline]
 slab_alloc_node mm/slub.c:4176 [inline]
 __kmalloc_cache_noprof+0x70/0x3d0 mm/slub.c:4353
 kmalloc_noprof include/linux/slab.h:905 [inline]
 ulist_add_merge+0x18e/0x4b0 fs/btrfs/ulist.c:223
 add_extent_changeset fs/btrfs/extent-io-tree.c:216 [inline]
 clear_state_bit+0x175/0x380 fs/btrfs/extent-io-tree.c:583
 __clear_extent_bit+0x60e/0xec0 fs/btrfs/extent-io-tree.c:752
 clear_record_extent_bits+0x4d/0x90 fs/btrfs/extent-io-tree.c:1829
 __btrfs_qgroup_release_data+0x21c/0xa20 fs/btrfs/qgroup.c:4365
 alloc_ordered_extent+0xef/0x570 fs/btrfs/ordered-data.c:168
 btrfs_alloc_ordered_extent+0x200/0xab0 fs/btrfs/ordered-data.c:-1
 btrfs_create_dio_extent+0x7c/0x160 fs/btrfs/direct-io.c:153
 btrfs_new_extent_direct fs/btrfs/direct-io.c:203 [inline]
 btrfs_get_blocks_direct_write+0x7de/0xc20 fs/btrfs/direct-io.c:321
 btrfs_dio_iomap_begin+0xa58/0x1030 fs/btrfs/direct-io.c:525
 iomap_iter+0x537/0xdf0 fs/iomap/iter.c:109
 __iomap_dio_rw+0xc67/0x1e40 fs/iomap/direct-io.c:733
 btrfs_dio_write fs/btrfs/direct-io.c:775 [inline]
 btrfs_direct_write+0x749/0xb10 fs/btrfs/direct-io.c:896
 btrfs_do_write_iter+0x25f/0x710 fs/btrfs/file.c:1380
 iter_file_splice_write+0x937/0x1000 fs/splice.c:738
 do_splice_from fs/splice.c:935 [inline]
 direct_splice_actor+0xfe/0x160 fs/splice.c:1158
 splice_direct_to_actor+0x5a5/0xcc0 fs/splice.c:1102
 do_splice_direct_actor fs/splice.c:1201 [inline]
 do_splice_direct+0x181/0x270 fs/splice.c:1227
 do_sendfile+0x4da/0x7d0 fs/read_write.c:1368
 __do_sys_sendfile64 fs/read_write.c:1429 [inline]
 __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1415
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fce4138e969
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
RSP: 002b:00007fce42233038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fce415b5fa0 RCX: 00007fce4138e969
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005
RBP: 00007fce42233090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000080000002 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007fce415b5fa0 R15: 00007fff01d91778
 </TASK>
------------[ cut here ]------------
kernel BUG at fs/btrfs/extent-io-tree.c:584!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5310 Comm: syz.0.0 Not tainted 6.15.0-rc4-syzkaller-00296-ge8ab83e34bdc #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:clear_state_bit+0x37b/0x380 fs/btrfs/extent-io-tree.c:584
Code: fe e9 77 fd ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ad fe ff ff 4c 89 e7 e8 00 d3 3d fe e9 a0 fe ff ff e8 56 de db fd 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66
RSP: 0018:ffffc9000fe169b8 EFLAGS: 00010293
RAX: ffffffff83e3e1fa RBX: ffff888051a73a80 RCX: ffff88801c3b0000
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: 0000000000001000 R08: 0000000000000820 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1c0b8bf R12: 00000000fffffff4
R13: 000000000000ffff R14: 0000000000000000 R15: dffffc0000000000
FS:  00007fce422336c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fce42230f70 CR3: 000000003f180000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __clear_extent_bit+0x60e/0xec0 fs/btrfs/extent-io-tree.c:752
 clear_record_extent_bits+0x4d/0x90 fs/btrfs/extent-io-tree.c:1829
 __btrfs_qgroup_release_data+0x21c/0xa20 fs/btrfs/qgroup.c:4365
 alloc_ordered_extent+0xef/0x570 fs/btrfs/ordered-data.c:168
 btrfs_alloc_ordered_extent+0x200/0xab0 fs/btrfs/ordered-data.c:-1
 btrfs_create_dio_extent+0x7c/0x160 fs/btrfs/direct-io.c:153
 btrfs_new_extent_direct fs/btrfs/direct-io.c:203 [inline]
 btrfs_get_blocks_direct_write+0x7de/0xc20 fs/btrfs/direct-io.c:321
 btrfs_dio_iomap_begin+0xa58/0x1030 fs/btrfs/direct-io.c:525
 iomap_iter+0x537/0xdf0 fs/iomap/iter.c:109
 __iomap_dio_rw+0xc67/0x1e40 fs/iomap/direct-io.c:733
 btrfs_dio_write fs/btrfs/direct-io.c:775 [inline]
 btrfs_direct_write+0x749/0xb10 fs/btrfs/direct-io.c:896
 btrfs_do_write_iter+0x25f/0x710 fs/btrfs/file.c:1380
 iter_file_splice_write+0x937/0x1000 fs/splice.c:738
 do_splice_from fs/splice.c:935 [inline]
 direct_splice_actor+0xfe/0x160 fs/splice.c:1158
 splice_direct_to_actor+0x5a5/0xcc0 fs/splice.c:1102
 do_splice_direct_actor fs/splice.c:1201 [inline]
 do_splice_direct+0x181/0x270 fs/splice.c:1227
 do_sendfile+0x4da/0x7d0 fs/read_write.c:1368
 __do_sys_sendfile64 fs/read_write.c:1429 [inline]
 __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1415
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fce4138e969
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
RSP: 002b:00007fce42233038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fce415b5fa0 RCX: 00007fce4138e969
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005
RBP: 00007fce42233090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000080000002 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007fce415b5fa0 R15: 00007fff01d91778
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:clear_state_bit+0x37b/0x380 fs/btrfs/extent-io-tree.c:584
Code: fe e9 77 fd ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ad fe ff ff 4c 89 e7 e8 00 d3 3d fe e9 a0 fe ff ff e8 56 de db fd 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66
RSP: 0018:ffffc9000fe169b8 EFLAGS: 00010293
RAX: ffffffff83e3e1fa RBX: ffff888051a73a80 RCX: ffff88801c3b0000
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: 0000000000001000 R08: 0000000000000820 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1c0b8bf R12: 00000000fffffff4
R13: 000000000000ffff R14: 0000000000000000 R15: dffffc0000000000
FS:  00007fce422336c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fce42230f70 CR3: 000000003f180000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400