BUG at fs/jfs/jfs_logmgr.c:2298 assert(bp->l_flag & lbmRELEASE) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_logmgr.c:2298! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.4.0-syzkaller-01406-ge8f75c0270d9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:lbmIODone+0x111a/0x11d0 fs/jfs/jfs_logmgr.c:2298 Code: fe e9 97 f3 ff ff e8 c5 8d 94 fe 48 c7 c1 40 b2 89 8a ba fa 08 00 00 48 c7 c6 80 b0 89 8a 48 c7 c7 c0 b0 89 8a e8 06 43 78 fe <0f> 0b e8 5f 74 e7 fe e9 09 f2 ff ff e8 95 8d 94 fe 48 c7 c1 80 b2 RSP: 0018:ffffc90000147c70 EFLAGS: 00010086 RAX: 000000000000003f RBX: ffff888029a93f00 RCX: 0000000000000100 RDX: 0000000000000000 RSI: ffffffff8168c73c RDI: 0000000000000005 RBP: 0000000000000020 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000101 R11: fffffffffffcab70 R12: 0000000000000246 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc82e3dd000 CR3: 000000007b0f8000 CR4: 0000000000350ef0 Call Trace: bio_endio+0x589/0x690 block/bio.c:1617 req_bio_endio block/blk-mq.c:766 [inline] blk_update_request+0x5c5/0x1620 block/blk-mq.c:911 blk_mq_end_request+0x59/0x680 block/blk-mq.c:1032 lo_complete_rq+0x1c6/0x280 drivers/block/loop.c:370 blk_complete_reqs+0xb3/0xf0 block/blk-mq.c:1110 __do_softirq+0x1d4/0x905 kernel/softirq.c:553 run_ksoftirqd kernel/softirq.c:921 [inline] run_ksoftirqd+0x31/0x60 kernel/softirq.c:913 smpboot_thread_fn+0x659/0x9e0 kernel/smpboot.c:164 kthread+0x344/0x440 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:lbmIODone+0x111a/0x11d0 fs/jfs/jfs_logmgr.c:2298 Code: fe e9 97 f3 ff ff e8 c5 8d 94 fe 48 c7 c1 40 b2 89 8a ba fa 08 00 00 48 c7 c6 80 b0 89 8a 48 c7 c7 c0 b0 89 8a e8 06 43 78 fe <0f> 0b e8 5f 74 e7 fe e9 09 f2 ff ff e8 95 8d 94 fe 48 c7 c1 80 b2 RSP: 0018:ffffc90000147c70 EFLAGS: 00010086 RAX: 000000000000003f RBX: ffff888029a93f00 RCX: 0000000000000100 RDX: 0000000000000000 RSI: ffffffff8168c73c RDI: 0000000000000005 RBP: 0000000000000020 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000101 R11: fffffffffffcab70 R12: 0000000000000246 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc82e3dd000 CR3: 000000007b0f8000 CR4: 0000000000350ef0