BUG at fs/jfs/jfs_logmgr.c:2303 assert(bp->l_flag & lbmRELEASE) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_logmgr.c:2303! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 3 PID: 32 Comm: ksoftirqd/3 Not tainted 6.7.0-rc3-syzkaller-00298-g1b8af6552cb7 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:lbmIODone+0x1139/0x11f0 fs/jfs/jfs_logmgr.c:2303 Code: e9 79 f3 ff ff e8 b7 48 8b fe 48 c7 c1 40 24 0b 8b ba ff 08 00 00 48 c7 c6 80 22 0b 8b 48 c7 c7 c0 22 0b 8b e8 98 24 6e fe 90 <0f> 0b e8 a0 ef e1 fe e9 ea f1 ff ff e8 86 48 8b fe 48 c7 c1 80 24 RSP: 0018:ffffc900005a7bf0 EFLAGS: 00010082 RAX: 000000000000003f RBX: ffff8880407b8100 RCX: ffffffff816a7cd9 RDX: 0000000000000000 RSI: ffffffff816b0182 RDI: 0000000000000005 RBP: 0000000000000020 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000101 R11: 0000000000000001 R12: 0000000000000246 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88802c900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f7354170 CR3: 0000000070ee7000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bio_endio+0x596/0x6a0 block/bio.c:1603 req_bio_endio block/blk-mq.c:788 [inline] blk_update_request+0x67b/0x1700 block/blk-mq.c:933 blk_mq_end_request+0x57/0x520 block/blk-mq.c:1056 lo_complete_rq+0x232/0x2f0 drivers/block/loop.c:370 blk_complete_reqs+0xb2/0xf0 block/blk-mq.c:1131 __do_softirq+0x21a/0x8de kernel/softirq.c:553 run_ksoftirqd kernel/softirq.c:921 [inline] run_ksoftirqd+0x31/0x60 kernel/softirq.c:913 smpboot_thread_fn+0x660/0xa10 kernel/smpboot.c:164 kthread+0x2c6/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:lbmIODone+0x1139/0x11f0 fs/jfs/jfs_logmgr.c:2303 Code: e9 79 f3 ff ff e8 b7 48 8b fe 48 c7 c1 40 24 0b 8b ba ff 08 00 00 48 c7 c6 80 22 0b 8b 48 c7 c7 c0 22 0b 8b e8 98 24 6e fe 90 <0f> 0b e8 a0 ef e1 fe e9 ea f1 ff ff e8 86 48 8b fe 48 c7 c1 80 24 RSP: 0018:ffffc900005a7bf0 EFLAGS: 00010082 RAX: 000000000000003f RBX: ffff8880407b8100 RCX: ffffffff816a7cd9 RDX: 0000000000000000 RSI: ffffffff816b0182 RDI: 0000000000000005 RBP: 0000000000000020 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000101 R11: 0000000000000001 R12: 0000000000000246 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88802c900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f7354170 CR3: 0000000070ee7000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400