BTRFS info (device loop0): setting nodatasum
BTRFS info (device loop0): setting nodatacow
BTRFS info (device loop0): enabling ssd optimizations
BTRFS info (device loop0): turning off barriers
BTRFS info (device loop0): turning on async discard
BTRFS info (device loop0): enabling disk space caching
BTRFS info (device loop0): force clearing of disk cache
BTRFS info (device loop0): enabling auto defrag
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 UID: 0 PID: 5328 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 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 fail_dump lib/fault-inject.c:73 [inline]
 should_fail_ex+0x412/0x560 lib/fault-inject.c:174
 should_failslab+0xa8/0x100 mm/failslab.c:46
 slab_pre_alloc_hook mm/slub.c:4906 [inline]
 slab_alloc_node mm/slub.c:5239 [inline]
 __kmalloc_cache_noprof+0x83/0x6e0 mm/slub.c:5775
 kmalloc_noprof include/linux/slab.h:957 [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+0x750/0xb50 fs/btrfs/extent-io-tree.c:749
 __btrfs_qgroup_release_data+0x22f/0xa80 fs/btrfs/qgroup.c:4336
 alloc_ordered_extent+0xdf/0x6a0 fs/btrfs/ordered-data.c:168
 btrfs_alloc_ordered_extent+0x200/0xa90 fs/btrfs/ordered-data.c:-1
 nocow_one_range fs/btrfs/inode.c:1989 [inline]
 run_delalloc_nocow+0xb52/0x1e20 fs/btrfs/inode.c:2229
 writepage_delalloc+0x11ac/0x1db0 fs/btrfs/extent_io.c:1501
 extent_writepage fs/btrfs/extent_io.c:1864 [inline]
 extent_write_cache_pages fs/btrfs/extent_io.c:2552 [inline]
 btrfs_writepages+0x14d3/0x23f0 fs/btrfs/extent_io.c:2685
 do_writepages+0x32e/0x550 mm/page-writeback.c:2598
 filemap_writeback mm/filemap.c:387 [inline]
 filemap_fdatawrite_range mm/filemap.c:412 [inline]
 filemap_write_and_wait_range+0x335/0x3f0 mm/filemap.c:684
 __iomap_dio_rw+0x906/0x1e10 fs/iomap/direct-io.c:676
 iomap_dio_rw+0x45/0xb0 fs/iomap/direct-io.c:847
 btrfs_dio_read fs/btrfs/direct-io.c:765 [inline]
 btrfs_direct_read+0x4d3/0x7e0 fs/btrfs/direct-io.c:1059
 btrfs_file_read_iter+0x14a/0x270 fs/btrfs/file.c:3832
 copy_splice_read+0x5ff/0xaa0 fs/splice.c:363
 do_splice_read fs/splice.c:981 [inline]
 splice_direct_to_actor+0x4a0/0xc70 fs/splice.c:1086
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x195/0x290 fs/splice.c:1230
 do_sendfile+0x535/0x7d0 fs/read_write.c:1370
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64+0x144/0x1a0 fs/read_write.c:1417
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f704459acb9
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
RSP: 002b:00007f70454e1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f7044815fa0 RCX: 00007f704459acb9
RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000009
RBP: 00007f70454e1090 R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f7044816038 R14: 00007f7044815fa0 R15: 00007ffc76ba3618
 </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: 5328 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 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 5d 3d 24 fe e9 31 fe ff ff e8 83 63 ba fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6
RSP: 0018:ffffc9000f37e510 EFLAGS: 00010293
RAX: ffffffff840a236d RBX: ffff8880118b4a80 RCX: ffff8880002124c0
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: 0000000000001000 R08: 0000000000000820 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1cd375f R12: 0000000000000000
R13: ffffc9000f37e6f8 R14: 0000000000000000 R15: 00000000fffffff4
FS:  00007f70454e16c0(0000) GS:ffff88808ccea000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000000c0 CR3: 000000001a609000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 btrfs_clear_extent_bit_changeset+0x750/0xb50 fs/btrfs/extent-io-tree.c:749
 __btrfs_qgroup_release_data+0x22f/0xa80 fs/btrfs/qgroup.c:4336
 alloc_ordered_extent+0xdf/0x6a0 fs/btrfs/ordered-data.c:168
 btrfs_alloc_ordered_extent+0x200/0xa90 fs/btrfs/ordered-data.c:-1
 nocow_one_range fs/btrfs/inode.c:1989 [inline]
 run_delalloc_nocow+0xb52/0x1e20 fs/btrfs/inode.c:2229
 writepage_delalloc+0x11ac/0x1db0 fs/btrfs/extent_io.c:1501
 extent_writepage fs/btrfs/extent_io.c:1864 [inline]
 extent_write_cache_pages fs/btrfs/extent_io.c:2552 [inline]
 btrfs_writepages+0x14d3/0x23f0 fs/btrfs/extent_io.c:2685
 do_writepages+0x32e/0x550 mm/page-writeback.c:2598
 filemap_writeback mm/filemap.c:387 [inline]
 filemap_fdatawrite_range mm/filemap.c:412 [inline]
 filemap_write_and_wait_range+0x335/0x3f0 mm/filemap.c:684
 __iomap_dio_rw+0x906/0x1e10 fs/iomap/direct-io.c:676
 iomap_dio_rw+0x45/0xb0 fs/iomap/direct-io.c:847
 btrfs_dio_read fs/btrfs/direct-io.c:765 [inline]
 btrfs_direct_read+0x4d3/0x7e0 fs/btrfs/direct-io.c:1059
 btrfs_file_read_iter+0x14a/0x270 fs/btrfs/file.c:3832
 copy_splice_read+0x5ff/0xaa0 fs/splice.c:363
 do_splice_read fs/splice.c:981 [inline]
 splice_direct_to_actor+0x4a0/0xc70 fs/splice.c:1086
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x195/0x290 fs/splice.c:1230
 do_sendfile+0x535/0x7d0 fs/read_write.c:1370
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64+0x144/0x1a0 fs/read_write.c:1417
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f704459acb9
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
RSP: 002b:00007f70454e1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f7044815fa0 RCX: 00007f704459acb9
RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000009
RBP: 00007f70454e1090 R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f7044816038 R14: 00007f7044815fa0 R15: 00007ffc76ba3618
 </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 5d 3d 24 fe e9 31 fe ff ff e8 83 63 ba fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6
RSP: 0018:ffffc9000f37e510 EFLAGS: 00010293
RAX: ffffffff840a236d RBX: ffff8880118b4a80 RCX: ffff8880002124c0
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: 0000000000001000 R08: 0000000000000820 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1cd375f R12: 0000000000000000
R13: ffffc9000f37e6f8 R14: 0000000000000000 R15: 00000000fffffff4
FS:  00007f70454e16c0(0000) GS:ffff88808ccea000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000000c0 CR3: 000000001a609000 CR4: 0000000000352ef0