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 (5320)
BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d
BTRFS info (device loop0): using sha256 (sha256-avx2) 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: 5320 Comm: syz.0.0 Not tainted 6.14.0-rc3-syzkaller-00267-gff202c5028a1 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
fail_dump lib/fault-inject.c:73 [inline]
should_fail_ex+0x40a/0x550 lib/fault-inject.c:174
should_failslab+0xac/0x100 mm/failslab.c:46
slab_pre_alloc_hook mm/slub.c:4068 [inline]
slab_alloc_node mm/slub.c:4144 [inline]
__kmalloc_cache_noprof+0x70/0x390 mm/slub.c:4320
kmalloc_noprof include/linux/slab.h:901 [inline]
ulist_add_merge+0x18c/0x4b0 fs/btrfs/ulist.c:223
add_extent_changeset fs/btrfs/extent-io-tree.c:216 [inline]
clear_state_bit+0x170/0x370 fs/btrfs/extent-io-tree.c:583
__clear_extent_bit+0x530/0xc20 fs/btrfs/extent-io-tree.c:752
clear_record_extent_bits+0x4d/0x90 fs/btrfs/extent-io-tree.c:1829
__btrfs_qgroup_release_data+0x5a9/0xab0 fs/btrfs/qgroup.c:4365
alloc_ordered_extent+0x112/0x5d0 fs/btrfs/ordered-data.c:168
btrfs_alloc_ordered_extent+0x1e4/0xa60
btrfs_create_dio_extent+0x79/0x160 fs/btrfs/direct-io.c:153
btrfs_new_extent_direct fs/btrfs/direct-io.c:203 [inline]
btrfs_get_blocks_direct_write+0x96f/0xfa0 fs/btrfs/direct-io.c:320
btrfs_dio_iomap_begin+0xb6c/0x1140 fs/btrfs/direct-io.c:524
iomap_iter+0x6a5/0xf60 fs/iomap/iter.c:90
__iomap_dio_rw+0xeb9/0x25b0 fs/iomap/direct-io.c:702
btrfs_dio_write fs/btrfs/direct-io.c:774 [inline]
btrfs_direct_write+0x610/0xa30 fs/btrfs/direct-io.c:879
btrfs_do_write_iter+0x2a0/0x7b0 fs/btrfs/file.c:1374
iter_file_splice_write+0xbfa/0x1510 fs/splice.c:743
do_splice_from fs/splice.c:941 [inline]
direct_splice_actor+0x11b/0x220 fs/splice.c:1164
splice_direct_to_actor+0x586/0xc80 fs/splice.c:1108
do_splice_direct_actor fs/splice.c:1207 [inline]
do_splice_direct+0x289/0x3e0 fs/splice.c:1233
do_sendfile+0x564/0x8a0 fs/read_write.c:1363
__do_sys_sendfile64 fs/read_write.c:1424 [inline]
__se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1410
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f436858d169
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:00007f436934f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f43687a5fa0 RCX: 00007f436858d169
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004
RBP: 00007f436934f090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000800000009 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f43687a5fa0 R15: 00007ffdcd9a0bf8
------------[ cut here ]------------
kernel BUG at fs/btrfs/extent-io-tree.c:584!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.14.0-rc3-syzkaller-00267-gff202c5028a1 #0
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+0x364/0x370 fs/btrfs/extent-io-tree.c:584
Code: 18 fe e9 89 fd ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c b0 fe ff ff 48 89 ef e8 77 bf 18 fe e9 a3 fe ff ff e8 ad 85 b1 fd 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900019b6998 EFLAGS: 00010293
RAX: ffffffff841034e3 RBX: 00000000fffffff4 RCX: ffff88801e5fa440
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff841032fb R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1d8a7e7 R12: ffffc900019b6b98
R13: ffff8880525cf480 R14: 0000000000001000 R15: 0000000000000000
FS: 00007f436934f6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055688aa08338 CR3: 0000000040654000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__clear_extent_bit+0x530/0xc20 fs/btrfs/extent-io-tree.c:752
clear_record_extent_bits+0x4d/0x90 fs/btrfs/extent-io-tree.c:1829
__btrfs_qgroup_release_data+0x5a9/0xab0 fs/btrfs/qgroup.c:4365
alloc_ordered_extent+0x112/0x5d0 fs/btrfs/ordered-data.c:168
btrfs_alloc_ordered_extent+0x1e4/0xa60
btrfs_create_dio_extent+0x79/0x160 fs/btrfs/direct-io.c:153
btrfs_new_extent_direct fs/btrfs/direct-io.c:203 [inline]
btrfs_get_blocks_direct_write+0x96f/0xfa0 fs/btrfs/direct-io.c:320
btrfs_dio_iomap_begin+0xb6c/0x1140 fs/btrfs/direct-io.c:524
iomap_iter+0x6a5/0xf60 fs/iomap/iter.c:90
__iomap_dio_rw+0xeb9/0x25b0 fs/iomap/direct-io.c:702
btrfs_dio_write fs/btrfs/direct-io.c:774 [inline]
btrfs_direct_write+0x610/0xa30 fs/btrfs/direct-io.c:879
btrfs_do_write_iter+0x2a0/0x7b0 fs/btrfs/file.c:1374
iter_file_splice_write+0xbfa/0x1510 fs/splice.c:743
do_splice_from fs/splice.c:941 [inline]
direct_splice_actor+0x11b/0x220 fs/splice.c:1164
splice_direct_to_actor+0x586/0xc80 fs/splice.c:1108
do_splice_direct_actor fs/splice.c:1207 [inline]
do_splice_direct+0x289/0x3e0 fs/splice.c:1233
do_sendfile+0x564/0x8a0 fs/read_write.c:1363
__do_sys_sendfile64 fs/read_write.c:1424 [inline]
__se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1410
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f436858d169
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:00007f436934f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f43687a5fa0 RCX: 00007f436858d169
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004
RBP: 00007f436934f090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000800000009 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f43687a5fa0 R15: 00007ffdcd9a0bf8
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:clear_state_bit+0x364/0x370 fs/btrfs/extent-io-tree.c:584
Code: 18 fe e9 89 fd ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c b0 fe ff ff 48 89 ef e8 77 bf 18 fe e9 a3 fe ff ff e8 ad 85 b1 fd 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900019b6998 EFLAGS: 00010293
RAX: ffffffff841034e3 RBX: 00000000fffffff4 RCX: ffff88801e5fa440
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff841032fb R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1d8a7e7 R12: ffffc900019b6b98
R13: ffff8880525cf480 R14: 0000000000001000 R15: 0000000000000000
FS: 00007f436934f6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055688aa08338 CR3: 0000000040654000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400