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 NOPTI CPU: 2 PID: 23 Comm: ksoftirqd/2 Not tainted 6.9.0-rc2-syzkaller-00413-gf2f80ac80987 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:lbmIODone+0x1141/0x1200 fs/jfs/jfs_logmgr.c:2303 Code: e9 79 f3 ff ff e8 df 1d 83 fe 48 c7 c1 00 c4 6a 8b ba ff 08 00 00 48 c7 c6 40 c2 6a 8b 48 c7 c7 80 c2 6a 8b e8 10 c1 63 fe 90 <0f> 0b e8 68 4e de fe e9 ea f1 ff ff e8 ae 1d 83 fe 48 c7 c1 40 c4 RSP: 0018:ffffc9000081fc08 EFLAGS: 00010086 RAX: 000000000000003f RBX: ffff88801a805400 RCX: ffffffff816e2939 RDX: 0000000000000000 RSI: ffffffff816eb676 RDI: 0000000000000005 RBP: 0000000000000020 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000101 R11: 0000000000000001 R12: 0000000000000246 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806b200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdc12a7fc00 CR3: 0000000026692000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bio_endio+0x5f0/0x700 block/bio.c:1603 req_bio_endio block/blk-mq.c:786 [inline] blk_update_request+0x693/0x1820 block/blk-mq.c:931 blk_mq_end_request+0x4f/0x90 block/blk-mq.c:1054 lo_complete_rq+0x232/0x2f0 drivers/block/loop.c:366 blk_complete_reqs+0xae/0xf0 block/blk-mq.c:1129 __do_softirq+0x218/0x922 kernel/softirq.c:554 run_ksoftirqd kernel/softirq.c:924 [inline] run_ksoftirqd+0x35/0x60 kernel/softirq.c:916 smpboot_thread_fn+0x661/0xa10 kernel/smpboot.c:164 kthread+0x2c1/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:lbmIODone+0x1141/0x1200 fs/jfs/jfs_logmgr.c:2303 Code: e9 79 f3 ff ff e8 df 1d 83 fe 48 c7 c1 00 c4 6a 8b ba ff 08 00 00 48 c7 c6 40 c2 6a 8b 48 c7 c7 80 c2 6a 8b e8 10 c1 63 fe 90 <0f> 0b e8 68 4e de fe e9 ea f1 ff ff e8 ae 1d 83 fe 48 c7 c1 40 c4 RSP: 0018:ffffc9000081fc08 EFLAGS: 00010086 RAX: 000000000000003f RBX: ffff88801a805400 RCX: ffffffff816e2939 RDX: 0000000000000000 RSI: ffffffff816eb676 RDI: 0000000000000005 RBP: 0000000000000020 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000101 R11: 0000000000000001 R12: 0000000000000246 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806b200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdc12a7fc00 CR3: 0000000026692000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400