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 (5322)
BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d
BTRFS info (device loop0): using sha256 checksum algorithm
BTRFS info (device loop0): enabling ssd optimizations
BTRFS info (device loop0): turning on async discard
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: 5322 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 04/01/2014
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
fail_dump lib/fault-inject.c:73 [inline]
should_fail_ex+0x410/0x560 lib/fault-inject.c:174
should_failslab+0xa8/0x100 mm/failslab.c:46
slab_pre_alloc_hook mm/slub.c:4638 [inline]
slab_alloc_node mm/slub.c:4974 [inline]
kmem_cache_alloc_noprof+0xa1/0x600 mm/slub.c:5010
add_delayed_ref+0x123/0x1ed0 fs/btrfs/delayed-ref.c:1048
btrfs_alloc_tree_block+0xce7/0x1160 fs/btrfs/extent-tree.c:5426
btrfs_force_cow_block+0x562/0x1bf0 fs/btrfs/ctree.c:501
btrfs_cow_block+0x3f1/0xaf0 fs/btrfs/ctree.c:696
btrfs_search_slot+0xd70/0x2d20 fs/btrfs/ctree.c:-1
btrfs_insert_empty_items+0xa3/0x1a0 fs/btrfs/ctree.c:4310
btrfs_insert_empty_item fs/btrfs/ctree.h:670 [inline]
btrfs_add_dev_item+0x20a/0x670 fs/btrfs/volumes.c:2076
btrfs_init_new_device+0xfad/0x1ca0 fs/btrfs/volumes.c:3053
btrfs_ioctl_add_dev+0x1ad/0x640 fs/btrfs/ioctl.c:2571
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fca7359e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fca744a4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fca73825fa0 RCX: 00007fca7359e159
RDX: 0000200000001000 RSI: 000000005000940a RDI: 0000000000000004
RBP: 00007fca744a5050 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fca73826038 R14: 00007fca73825fa0 R15: 00007ffc621afbe8
------------[ cut here ]------------
1
WARNING: fs/btrfs/space-info.h:286 at btrfs_space_info_update_bytes_may_use+0x318/0x650 fs/btrfs/space-info.h:286, CPU#0: syz.0.0/5322
Modules linked in:
CPU: 0 UID: 0 PID: 5322 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 04/01/2014
RIP: 0010:btrfs_space_info_update_bytes_may_use+0x318/0x650 fs/btrfs/space-info.h:286
Code: 00 00 74 08 4c 89 ff e8 26 3c f9 fd 4d 8b 27 4c 89 e7 48 8b 6c 24 18 48 89 ee e8 73 a0 87 fd 49 39 ec 73 1c e8 99 9d 87 fd 90 <0f> 0b 90 31 db 43 80 7c 35 00 00 0f 85 48 ff ff ff e9 4b ff ff ff
RSP: 0018:ffffc9000e427b58 EFLAGS: 00010293
RAX: ffffffff844038c7 RBX: ffffffffffff0000 RCX: ffff888035ba2580
RDX: 0000000000000000 RSI: 0000000000010000 RDI: 000000000000f000
RBP: 0000000000010000 R08: ffffffff907a427f R09: 1ffffffff20f484f
R10: dffffc0000000000 R11: fffffbfff20f4850 R12: 000000000000f000
R13: 1ffff1100a502310 R14: dffffc0000000000 R15: ffff888052811880
FS: 00007fca744a56c0(0000) GS:ffff88808c2ca000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fca74483ff8 CR3: 000000001f8f7000 CR4: 0000000000352ef0
Call Trace:
btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:323 [inline]
block_rsv_release_bytes fs/btrfs/block-rsv.c:153 [inline]
btrfs_block_rsv_release+0x47b/0x590 fs/btrfs/block-rsv.c:291
btrfs_trans_release_chunk_metadata+0x7f/0xb0 fs/btrfs/transaction.c:262
btrfs_add_dev_item+0x233/0x670 fs/btrfs/volumes.c:2078
btrfs_init_new_device+0xfad/0x1ca0 fs/btrfs/volumes.c:3053
btrfs_ioctl_add_dev+0x1ad/0x640 fs/btrfs/ioctl.c:2571
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fca7359e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fca744a4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fca73825fa0 RCX: 00007fca7359e159
RDX: 0000200000001000 RSI: 000000005000940a RDI: 0000000000000004
RBP: 00007fca744a5050 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fca73826038 R14: 00007fca73825fa0 R15: 00007ffc621afbe8