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 (5326)
BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d
BTRFS info (device loop0): using sha256 (sha256-x86_64) checksum algorithm
BTRFS info (device loop0): using free-space-tree
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted 6.16.0-rc2-syzkaller-00269-g11313e2f7812 #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:4101 [inline]
 slab_alloc_node mm/slub.c:4177 [inline]
 __kmalloc_cache_noprof+0x70/0x3d0 mm/slub.c:4354
 kmalloc_noprof include/linux/slab.h:905 [inline]
 ulist_add_merge+0x18e/0x4b0 fs/btrfs/ulist.c:223
 add_extent_changeset fs/btrfs/extent-io-tree.c:198 [inline]
 clear_state_bit+0x15f/0x3c0 fs/btrfs/extent-io-tree.c:571
 btrfs_clear_extent_bit_changeset+0x978/0xf00 fs/btrfs/extent-io-tree.c:748
 __btrfs_qgroup_release_data+0x21c/0xa20 fs/btrfs/qgroup.c:4366
 insert_prealloc_file_extent fs/btrfs/inode.c:8896 [inline]
 __btrfs_prealloc_file_range+0x360/0xc50 fs/btrfs/inode.c:8993
 btrfs_prealloc_file_range+0x40/0x60 fs/btrfs/inode.c:9071
 btrfs_zero_range+0xd9a/0x1160 fs/btrfs/file.c:3004
 btrfs_fallocate+0x9da/0x1ba0 fs/btrfs/file.c:3115
 vfs_fallocate+0x6a3/0x830 fs/open.c:341
 ksys_fallocate fs/open.c:365 [inline]
 __do_sys_fallocate fs/open.c:370 [inline]
 __se_sys_fallocate fs/open.c:368 [inline]
 __x64_sys_fallocate+0xc0/0x110 fs/open.c:368
 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: 0033:0x7f38a918e929
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:00007f38aa009038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f38a93b5fa0 RCX: 00007f38a918e929
RDX: 0000000000004002 RSI: 0000000000000010 RDI: 0000000000000005
RBP: 00007f38aa009090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000007fff R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f38a93b5fa0 R15: 00007fff35a16908
 </TASK>
------------[ cut here ]------------
kernel BUG at fs/btrfs/extent-io-tree.c:572!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted 6.16.0-rc2-syzkaller-00269-g11313e2f7812 #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:572
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 fd dd 39 fe e9 31 fe ff ff e8 03 60 d6 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:ffffc9000d447438 EFLAGS: 00010293
RAX: ffffffff83e9fc4d RBX: ffff8880418a79c0 RCX: ffff888033a64880
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: 0000000000000800 R08: 0000000000000820 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1c4c22f R12: 0000000000000000
R13: ffffc9000d4476b8 R14: 0000000000004000 R15: 00000000fffffff4
FS:  00007f38aa0096c0(0000) GS:ffff88808d251000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f52416e5730 CR3: 0000000011f61000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_clear_extent_bit_changeset+0x978/0xf00 fs/btrfs/extent-io-tree.c:748
 __btrfs_qgroup_release_data+0x21c/0xa20 fs/btrfs/qgroup.c:4366
 insert_prealloc_file_extent fs/btrfs/inode.c:8896 [inline]
 __btrfs_prealloc_file_range+0x360/0xc50 fs/btrfs/inode.c:8993
 btrfs_prealloc_file_range+0x40/0x60 fs/btrfs/inode.c:9071
 btrfs_zero_range+0xd9a/0x1160 fs/btrfs/file.c:3004
 btrfs_fallocate+0x9da/0x1ba0 fs/btrfs/file.c:3115
 vfs_fallocate+0x6a3/0x830 fs/open.c:341
 ksys_fallocate fs/open.c:365 [inline]
 __do_sys_fallocate fs/open.c:370 [inline]
 __se_sys_fallocate fs/open.c:368 [inline]
 __x64_sys_fallocate+0xc0/0x110 fs/open.c:368
 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: 0033:0x7f38a918e929
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:00007f38aa009038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f38a93b5fa0 RCX: 00007f38a918e929
RDX: 0000000000004002 RSI: 0000000000000010 RDI: 0000000000000005
RBP: 00007f38aa009090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000007fff R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f38a93b5fa0 R15: 00007fff35a16908
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:clear_state_bit+0x3be/0x3c0 fs/btrfs/extent-io-tree.c:572
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 fd dd 39 fe e9 31 fe ff ff e8 03 60 d6 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:ffffc9000d447438 EFLAGS: 00010293
RAX: ffffffff83e9fc4d RBX: ffff8880418a79c0 RCX: ffff888033a64880
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: 0000000000000800 R08: 0000000000000820 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1c4c22f R12: 0000000000000000
R13: ffffc9000d4476b8 R14: 0000000000004000 R15: 00000000fffffff4
FS:  00007f38aa0096c0(0000) GS:ffff88808d251000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f52416e5730 CR3: 0000000011f61000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400