BTRFS warning (device loop0): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
BTRFS info (device loop0): rebuilding free space tree
BTRFS info (device loop0): disabling free space tree
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): 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 727
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 UID: 0 PID: 5365 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:4144 [inline]
 slab_alloc_node mm/slub.c:4220 [inline]
 __kmalloc_cache_noprof+0x70/0x3d0 mm/slub.c:4402
 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:4355
 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
 fallback_to_cow+0x5fa/0x9f0 fs/btrfs/inode.c:1772
 run_delalloc_nocow+0xe24/0x1870 fs/btrfs/inode.c:2220
 writepage_delalloc+0xf06/0x1a60 fs/btrfs/extent_io.c:1435
 extent_writepage fs/btrfs/extent_io.c:1779 [inline]
 extent_write_cache_pages fs/btrfs/extent_io.c:2463 [inline]
 btrfs_writepages+0x12df/0x22c0 fs/btrfs/extent_io.c:2596
 do_writepages+0x32e/0x550 mm/page-writeback.c:2634
 filemap_fdatawrite_wbc mm/filemap.c:386 [inline]
 __filemap_fdatawrite_range mm/filemap.c:419 [inline]
 __filemap_fdatawrite mm/filemap.c:425 [inline]
 filemap_flush+0x191/0x230 mm/filemap.c:470
 btrfs_remap_file_range_prep fs/btrfs/reflink.c:838 [inline]
 btrfs_remap_file_range+0x4bd/0x1290 fs/btrfs/reflink.c:882
 vfs_dedupe_file_range_one+0x3d1/0x4f0 fs/remap_range.c:483
 vfs_dedupe_file_range+0x6e0/0x9d0 fs/remap_range.c:551
 ioctl_file_dedupe_range fs/ioctl.c:443 [inline]
 do_vfs_ioctl+0x11ee/0x1430 fs/ioctl.c:548
 __do_sys_ioctl fs/ioctl.c:596 [inline]
 __se_sys_ioctl+0x82/0x170 fs/ioctl.c:584
 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: 0033:0x7f35b598eec9
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:00007f35b6747038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f35b5be5fa0 RCX: 00007f35b598eec9
RDX: 0000200000000240 RSI: 00000000c0189436 RDI: 0000000000000005
RBP: 00007f35b6747090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f35b5be6038 R14: 00007f35b5be5fa0 R15: 00007ffcad012288
 </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: 5365 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 8d 78 34 fe e9 31 fe ff ff e8 93 7c 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:ffffc9000d31e718 EFLAGS: 00010293
RAX: ffffffff83f041dd RBX: ffff888042a7ed80 RCX: ffff88803e0f8000
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: 0000000000001000 R08: 0000000000000820 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1c8b6f7 R12: 0000000000000000
R13: ffffc9000d31e998 R14: 0000000000000000 R15: 00000000fffffff4
FS:  00007f35b67476c0(0000) GS:ffff88808d007000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffea0 CR3: 000000003f909000 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+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
 fallback_to_cow+0x5fa/0x9f0 fs/btrfs/inode.c:1772
 run_delalloc_nocow+0xe24/0x1870 fs/btrfs/inode.c:2220
 writepage_delalloc+0xf06/0x1a60 fs/btrfs/extent_io.c:1435
 extent_writepage fs/btrfs/extent_io.c:1779 [inline]
 extent_write_cache_pages fs/btrfs/extent_io.c:2463 [inline]
 btrfs_writepages+0x12df/0x22c0 fs/btrfs/extent_io.c:2596
 do_writepages+0x32e/0x550 mm/page-writeback.c:2634
 filemap_fdatawrite_wbc mm/filemap.c:386 [inline]
 __filemap_fdatawrite_range mm/filemap.c:419 [inline]
 __filemap_fdatawrite mm/filemap.c:425 [inline]
 filemap_flush+0x191/0x230 mm/filemap.c:470
 btrfs_remap_file_range_prep fs/btrfs/reflink.c:838 [inline]
 btrfs_remap_file_range+0x4bd/0x1290 fs/btrfs/reflink.c:882
 vfs_dedupe_file_range_one+0x3d1/0x4f0 fs/remap_range.c:483
 vfs_dedupe_file_range+0x6e0/0x9d0 fs/remap_range.c:551
 ioctl_file_dedupe_range fs/ioctl.c:443 [inline]
 do_vfs_ioctl+0x11ee/0x1430 fs/ioctl.c:548
 __do_sys_ioctl fs/ioctl.c:596 [inline]
 __se_sys_ioctl+0x82/0x170 fs/ioctl.c:584
 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: 0033:0x7f35b598eec9
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:00007f35b6747038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f35b5be5fa0 RCX: 00007f35b598eec9
RDX: 0000200000000240 RSI: 00000000c0189436 RDI: 0000000000000005
RBP: 00007f35b6747090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f35b5be6038 R14: 00007f35b5be5fa0 R15: 00007ffcad012288
 </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 8d 78 34 fe e9 31 fe ff ff e8 93 7c 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:ffffc9000d31e718 EFLAGS: 00010293
RAX: ffffffff83f041dd RBX: ffff888042a7ed80 RCX: ffff88803e0f8000
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: 0000000000001000 R08: 0000000000000820 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1c8b6f7 R12: 0000000000000000
R13: ffffc9000d31e998 R14: 0000000000000000 R15: 00000000fffffff4
FS:  00007f35b67476c0(0000) GS:ffff88808d007000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffea0 CR3: 000000003f909000 CR4: 0000000000352ef0