FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 UID: 0 PID: 5332 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:4899 [inline]
 slab_alloc_node mm/slub.c:5221 [inline]
 __kmalloc_cache_noprof+0x6f/0x6f0 mm/slub.c:5719
 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+0x97b/0xf00 fs/btrfs/extent-io-tree.c:749
 __btrfs_qgroup_release_data+0x21c/0xa20 fs/btrfs/qgroup.c:4355
 alloc_ordered_extent+0xd5/0x680 fs/btrfs/ordered-data.c:168
 btrfs_alloc_ordered_extent+0x200/0xab0 fs/btrfs/ordered-data.c:-1
 nocow_one_range fs/btrfs/inode.c:1952 [inline]
 run_delalloc_nocow+0xab1/0x16b0 fs/btrfs/inode.c:2188
 writepage_delalloc+0xf06/0x1a60 fs/btrfs/extent_io.c:1504
 extent_writepage fs/btrfs/extent_io.c:1849 [inline]
 extent_write_cache_pages fs/btrfs/extent_io.c:2533 [inline]
 btrfs_writepages+0x12d9/0x22b0 fs/btrfs/extent_io.c:2666
 do_writepages+0x32e/0x550 mm/page-writeback.c:2604
 filemap_fdatawrite_wbc mm/filemap.c:389 [inline]
 __filemap_fdatawrite_range mm/filemap.c:422 [inline]
 filemap_fdatawrite_range+0x1a5/0x250 mm/filemap.c:440
 btrfs_fdatawrite_range+0x54/0xf0 fs/btrfs/file.c:3858
 btrfs_direct_write+0x5ba/0xba0 fs/btrfs/direct-io.c:988
 btrfs_do_write_iter+0x25f/0x710 fs/btrfs/file.c:1459
 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: 0033:0x7f2e5718eec9
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:00007f2e57fa9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f2e573e6090 RCX: 00007f2e5718eec9
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000009
RBP: 00007f2e57fa9090 R08: 0000000000000000 R09: 0000000000000000
R10: 0001000200201005 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f2e573e6128 R14: 00007f2e573e6090 R15: 00007fff946dda88
 </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: 5332 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 6d ba 31 fe e9 31 fe ff ff e8 d3 93 ca 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:ffffc9000d4ce618 EFLAGS: 00010293
RAX: ffffffff83f3db0d RBX: ffff888041f0b0c0 RCX: ffff88801fcaa480
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: 0000000000001000 R08: 0000000000000820 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1bcbe2f R12: 0000000000000000
R13: ffffc9000d4ce898 R14: 0000000000000000 R15: 00000000fffffff4
FS:  00007f2e57fa96c0(0000) GS:ffff88808d96d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2e57f1d9b8 CR3: 0000000010f3c000 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:4355
 alloc_ordered_extent+0xd5/0x680 fs/btrfs/ordered-data.c:168
 btrfs_alloc_ordered_extent+0x200/0xab0 fs/btrfs/ordered-data.c:-1
 nocow_one_range fs/btrfs/inode.c:1952 [inline]
 run_delalloc_nocow+0xab1/0x16b0 fs/btrfs/inode.c:2188
 writepage_delalloc+0xf06/0x1a60 fs/btrfs/extent_io.c:1504
 extent_writepage fs/btrfs/extent_io.c:1849 [inline]
 extent_write_cache_pages fs/btrfs/extent_io.c:2533 [inline]
 btrfs_writepages+0x12d9/0x22b0 fs/btrfs/extent_io.c:2666
 do_writepages+0x32e/0x550 mm/page-writeback.c:2604
 filemap_fdatawrite_wbc mm/filemap.c:389 [inline]
 __filemap_fdatawrite_range mm/filemap.c:422 [inline]
 filemap_fdatawrite_range+0x1a5/0x250 mm/filemap.c:440
 btrfs_fdatawrite_range+0x54/0xf0 fs/btrfs/file.c:3858
 btrfs_direct_write+0x5ba/0xba0 fs/btrfs/direct-io.c:988
 btrfs_do_write_iter+0x25f/0x710 fs/btrfs/file.c:1459
 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: 0033:0x7f2e5718eec9
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:00007f2e57fa9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f2e573e6090 RCX: 00007f2e5718eec9
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000009
RBP: 00007f2e57fa9090 R08: 0000000000000000 R09: 0000000000000000
R10: 0001000200201005 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f2e573e6128 R14: 00007f2e573e6090 R15: 00007fff946dda88
 </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 6d ba 31 fe e9 31 fe ff ff e8 d3 93 ca 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:ffffc9000d4ce618 EFLAGS: 00010293
RAX: ffffffff83f3db0d RBX: ffff888041f0b0c0 RCX: ffff88801fcaa480
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: 0000000000001000 R08: 0000000000000820 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1bcbe2f R12: 0000000000000000
R13: ffffc9000d4ce898 R14: 0000000000000000 R15: 00000000fffffff4
FS:  00007f2e57fa96c0(0000) GS:ffff88808d96d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2e57f1d9b8 CR3: 0000000010f3c000 CR4: 0000000000352ef0