loop0: detected capacity change from 0 to 32768
BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5359)
BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d
BTRFS info (device loop0): using sha256 (sha256-lib) checksum algorithm
BTRFS info (device loop0): enabling ssd optimizations
BTRFS info (device loop0): enabling free space tree
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 UID: 0 PID: 5359 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+0xed/0x680 fs/btrfs/ordered-data.c:170
 btrfs_alloc_ordered_extent+0x200/0xab0 fs/btrfs/ordered-data.c:-1
 cow_file_range+0x7fc/0x10a0 fs/btrfs/inode.c:1407
 btrfs_run_delalloc_range+0x3f9/0xf80 fs/btrfs/inode.c:2352
 writepage_delalloc+0xf06/0x1a60 fs/btrfs/extent_io.c:1415
 extent_writepage fs/btrfs/extent_io.c:1759 [inline]
 extent_write_cache_pages fs/btrfs/extent_io.c:2443 [inline]
 btrfs_writepages+0x12d1/0x22a0 fs/btrfs/extent_io.c:2576
 do_writepages+0x32b/0x550 mm/page-writeback.c:2634
 filemap_fdatawrite_wbc mm/filemap.c:386 [inline]
 __filemap_fdatawrite_range mm/filemap.c:419 [inline]
 filemap_write_and_wait_range+0x21f/0x320 mm/filemap.c:691
 __iomap_dio_rw+0x91f/0x1e30 fs/iomap/direct-io.c:649
 iomap_dio_rw+0x45/0xb0 fs/iomap/direct-io.c:818
 btrfs_dio_read fs/btrfs/direct-io.c:765 [inline]
 btrfs_direct_read+0x31c/0x620 fs/btrfs/direct-io.c:1047
 btrfs_file_read_iter+0x81/0x1a0 fs/btrfs/file.c:3810
 copy_splice_read+0x5d4/0xa50 fs/splice.c:363
 do_splice_read fs/splice.c:981 [inline]
 splice_direct_to_actor+0x4d0/0xcc0 fs/splice.c:1086
 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: 0033:0x7f3accf8ebe9
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:00007f3acdd69038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f3acd1c5fa0 RCX: 00007f3accf8ebe9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000005
RBP: 00007f3acdd69090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000800000009 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f3acd1c6038 R14: 00007f3acd1c5fa0 R15: 00007ffc17ff9f88
 </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: 5359 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 ad bd 34 fe e9 31 fe ff ff e8 f3 cd 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:ffffc9000d48e418 EFLAGS: 00010293
RAX: ffffffff83eff00d RBX: ffff8880521083c0 RCX: ffff888000f6a440
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: 0000000000001000 R08: 0000000000000820 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1c4b687 R12: 0000000000000000
R13: ffffc9000d48e698 R14: 0000000000000000 R15: 00000000fffffff4
FS:  00007f3acdd696c0(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ad3b3215d8 CR3: 0000000043fc9000 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+0xed/0x680 fs/btrfs/ordered-data.c:170
 btrfs_alloc_ordered_extent+0x200/0xab0 fs/btrfs/ordered-data.c:-1
 cow_file_range+0x7fc/0x10a0 fs/btrfs/inode.c:1407
 btrfs_run_delalloc_range+0x3f9/0xf80 fs/btrfs/inode.c:2352
 writepage_delalloc+0xf06/0x1a60 fs/btrfs/extent_io.c:1415
 extent_writepage fs/btrfs/extent_io.c:1759 [inline]
 extent_write_cache_pages fs/btrfs/extent_io.c:2443 [inline]
 btrfs_writepages+0x12d1/0x22a0 fs/btrfs/extent_io.c:2576
 do_writepages+0x32b/0x550 mm/page-writeback.c:2634
 filemap_fdatawrite_wbc mm/filemap.c:386 [inline]
 __filemap_fdatawrite_range mm/filemap.c:419 [inline]
 filemap_write_and_wait_range+0x21f/0x320 mm/filemap.c:691
 __iomap_dio_rw+0x91f/0x1e30 fs/iomap/direct-io.c:649
 iomap_dio_rw+0x45/0xb0 fs/iomap/direct-io.c:818
 btrfs_dio_read fs/btrfs/direct-io.c:765 [inline]
 btrfs_direct_read+0x31c/0x620 fs/btrfs/direct-io.c:1047
 btrfs_file_read_iter+0x81/0x1a0 fs/btrfs/file.c:3810
 copy_splice_read+0x5d4/0xa50 fs/splice.c:363
 do_splice_read fs/splice.c:981 [inline]
 splice_direct_to_actor+0x4d0/0xcc0 fs/splice.c:1086
 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: 0033:0x7f3accf8ebe9
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:00007f3acdd69038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f3acd1c5fa0 RCX: 00007f3accf8ebe9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000005
RBP: 00007f3acdd69090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000800000009 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f3acd1c6038 R14: 00007f3acd1c5fa0 R15: 00007ffc17ff9f88
 </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 ad bd 34 fe e9 31 fe ff ff e8 f3 cd 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:ffffc9000d48e418 EFLAGS: 00010293
RAX: ffffffff83eff00d RBX: ffff8880521083c0 RCX: ffff888000f6a440
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: 0000000000001000 R08: 0000000000000820 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1c4b687 R12: 0000000000000000
R13: ffffc9000d48e698 R14: 0000000000000000 R15: 00000000fffffff4
FS:  00007f3acdd696c0(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ad3b3215d8 CR3: 0000000043fc9000 CR4: 0000000000352ef0