BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
BTRFS info (device loop0): setting nodatasum
BTRFS info (device loop0): setting nodatacow
BTRFS info (device loop0): enabling ssd optimizations
BTRFS info (device loop0): enabling disk space caching
BTRFS info (device loop0): force clearing of disk cache
BTRFS info (device loop0): enabling auto defrag
BTRFS info (device loop0): max_inline set to 0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 UID: 0 PID: 5368 Comm: syz.0.0 Not tainted syzkaller #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:4133 [inline]
 slab_alloc_node mm/slub.c:4209 [inline]
 __kmalloc_cache_noprof+0x70/0x3d0 mm/slub.c:4391
 kmalloc_noprof include/linux/slab.h:905 [inline]
 ulist_add_merge+0x196/0x4c0 fs/btrfs/ulist.c:222
 add_extent_changeset fs/btrfs/extent-io-tree.c:199 [inline]
 clear_state_bit+0x15f/0x3c0 fs/btrfs/extent-io-tree.c:572
 btrfs_clear_extent_bit_changeset+0x97b/0xf00 fs/btrfs/extent-io-tree.c:749
 __btrfs_qgroup_release_data+0x21c/0xa20 fs/btrfs/qgroup.c:4353
 alloc_ordered_extent+0xd5/0x680 fs/btrfs/ordered-data.c:168
 btrfs_alloc_ordered_extent+0x200/0xab0 fs/btrfs/ordered-data.c:-1
 btrfs_create_dio_extent+0x7c/0x170 fs/btrfs/direct-io.c:153
 btrfs_get_blocks_direct_write+0x3b1/0xc20 fs/btrfs/direct-io.c:276
 btrfs_dio_iomap_begin+0xa58/0x1030 fs/btrfs/direct-io.c:524
 iomap_iter+0x531/0xde0 fs/iomap/iter.c:108
 __iomap_dio_rw+0xc57/0x1e30 fs/iomap/direct-io.c:728
 btrfs_dio_write fs/btrfs/direct-io.c:774 [inline]
 btrfs_direct_write+0x749/0xb10 fs/btrfs/direct-io.c:895
 btrfs_do_write_iter+0x25f/0x710 fs/btrfs/file.c:1460
 iter_file_splice_write+0x972/0x10e0 fs/splice.c:738
 do_splice_from fs/splice.c:938 [inline]
 direct_splice_actor+0xfe/0x160 fs/splice.c:1161
 splice_direct_to_actor+0x5a8/0xcc0 fs/splice.c:1105
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x181/0x270 fs/splice.c:1230
 do_sendfile+0x4da/0x7e0 fs/read_write.c:1370
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9954b8ebe9
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:00007f99559b5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f9954dc5fa0 RCX: 00007f9954b8ebe9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000005
RBP: 00007f99559b5090 R08: 0000000000000000 R09: 0000000000000000
R10: 0001000200201005 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f9954dc6038 R14: 00007f9954dc5fa0 R15: 00007ffd7ac8d358
 </TASK>
------------[ cut here ]------------
kernel BUG at fs/btrfs/extent-io-tree.c:573!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5368 Comm: syz.0.0 Not tainted syzkaller #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+0x3be/0x3c0 fs/btrfs/extent-io-tree.c:573
Code: fe e9 27 fd ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 3e fe ff ff 4c 89 ef e8 7d bb 34 fe e9 31 fe ff ff e8 c3 cb cf fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00
RSP: 0018:ffffc9000d2769f8 EFLAGS: 00010293
RAX: ffffffff83eff23d RBX: ffff888042c3cd80 RCX: ffff888000b24880
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: 0000000000001000 R08: 0000000000000820 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1c4b687 R12: 0000000000000000
R13: ffffc9000d276c78 R14: 0000000000000000 R15: 00000000fffffff4
FS:  00007f99559b56c0(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056260b6c4348 CR3: 000000003366e000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 btrfs_clear_extent_bit_changeset+0x97b/0xf00 fs/btrfs/extent-io-tree.c:749
 __btrfs_qgroup_release_data+0x21c/0xa20 fs/btrfs/qgroup.c:4353
 alloc_ordered_extent+0xd5/0x680 fs/btrfs/ordered-data.c:168
 btrfs_alloc_ordered_extent+0x200/0xab0 fs/btrfs/ordered-data.c:-1
 btrfs_create_dio_extent+0x7c/0x170 fs/btrfs/direct-io.c:153
 btrfs_get_blocks_direct_write+0x3b1/0xc20 fs/btrfs/direct-io.c:276
 btrfs_dio_iomap_begin+0xa58/0x1030 fs/btrfs/direct-io.c:524
 iomap_iter+0x531/0xde0 fs/iomap/iter.c:108
 __iomap_dio_rw+0xc57/0x1e30 fs/iomap/direct-io.c:728
 btrfs_dio_write fs/btrfs/direct-io.c:774 [inline]
 btrfs_direct_write+0x749/0xb10 fs/btrfs/direct-io.c:895
 btrfs_do_write_iter+0x25f/0x710 fs/btrfs/file.c:1460
 iter_file_splice_write+0x972/0x10e0 fs/splice.c:738
 do_splice_from fs/splice.c:938 [inline]
 direct_splice_actor+0xfe/0x160 fs/splice.c:1161
 splice_direct_to_actor+0x5a8/0xcc0 fs/splice.c:1105
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x181/0x270 fs/splice.c:1230
 do_sendfile+0x4da/0x7e0 fs/read_write.c:1370
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9954b8ebe9
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:00007f99559b5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f9954dc5fa0 RCX: 00007f9954b8ebe9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000005
RBP: 00007f99559b5090 R08: 0000000000000000 R09: 0000000000000000
R10: 0001000200201005 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f9954dc6038 R14: 00007f9954dc5fa0 R15: 00007ffd7ac8d358
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:clear_state_bit+0x3be/0x3c0 fs/btrfs/extent-io-tree.c:573
Code: fe e9 27 fd ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 3e fe ff ff 4c 89 ef e8 7d bb 34 fe e9 31 fe ff ff e8 c3 cb cf fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00
RSP: 0018:ffffc9000d2769f8 EFLAGS: 00010293
RAX: ffffffff83eff23d RBX: ffff888042c3cd80 RCX: ffff888000b24880
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: 0000000000001000 R08: 0000000000000820 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1c4b687 R12: 0000000000000000
R13: ffffc9000d276c78 R14: 0000000000000000 R15: 00000000fffffff4
FS:  00007f99559b56c0(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056260b6c4348 CR3: 000000003366e000 CR4: 0000000000352ef0