kvm: vcpu 0: requested 128 ns lapic timer period limited to 500000 ns
kvm: vcpu 0: requested 128 ns lapic timer period limited to 500000 ns
kvm: vcpu 0: requested 128 ns lapic timer period limited to 500000 ns
BUG at fs/jfs/jfs_logmgr.c:2326 assert(bp->l_flag & lbmRELEASE)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_logmgr.c:2326!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 10860 Comm: loop4 Not tainted 4.14.296-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
task: ffff88809e9ea580 task.stack: ffff88809de88000
RIP: 0010:lbmIODone.cold+0x24/0x5b fs/jfs/jfs_logmgr.c:2326
RSP: 0018:ffff88809de8fb00 EFLAGS: 00010082
RAX: 000000000000003f RBX: ffff888098c19800 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff878bc9e0 RDI: ffffed1013bd1f56
RBP: 0000000000000020 R08: 000000000000003f R09: 0000000000000001
R10: 0000000000000000 R11: ffff88809e9ea580 R12: 0000000000000282
R13: 0000000000000000 R14: ffff888096b15b00 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdafb71a000 CR3: 000000009cf71000 CR4: 00000000003426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 bio_endio+0x290/0x690 block/bio.c:1918
 req_bio_endio block/blk-core.c:204 [inline]
 blk_update_request+0x2d0/0xa90 block/blk-core.c:2765
 blk_mq_end_request+0x4c/0x1e0 block/blk-mq.c:530
 __blk_mq_complete_request+0x30b/0x6c0 block/blk-mq.c:571
 blk_mq_complete_request+0x52/0x60 block/blk-mq.c:591
 loop_handle_cmd drivers/block/loop.c:1789 [inline]
 loop_queue_work+0x228/0x21e0 drivers/block/loop.c:1798
 kthread_worker_fn+0x271/0x6c0 kernel/kthread.c:667
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 76 fa e8 cb ff ff ff e8 57 f7 4c fa 48 c7 c1 00 bb b6 87 ba 16 09 00 00 48 c7 c6 80 ba b6 87 48 c7 c7 c0 ba b6 87 e8 dd b9 fa ff <0f> 0b e8 31 f7 4c fa 48 c7 c1 40 bb b6 87 ba 17 09 00 00 48 c7 
RIP: lbmIODone.cold+0x24/0x5b fs/jfs/jfs_logmgr.c:2326 RSP: ffff88809de8fb00
---[ end trace 9d6774ada756e68d ]---