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 6.3.0-rc6-syzkaller-00046-gde4664485abb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 RIP: 0010:lbmIODone+0x111a/0x11d0 fs/jfs/jfs_logmgr.c:2298 Code: fe e9 97 f3 ff ff e8 c5 7f 97 fe 48 c7 c1 c0 3a 89 8a ba fa 08 00 00 48 c7 c6 00 39 89 8a 48 c7 c7 40 39 89 8a e8 06 8b 7b fe <0f> 0b e8 5f 92 e8 fe e9 09 f2 ff ff e8 95 7f 97 fe 48 c7 c1 00 3b RSP: 0018:ffffc90000147c90 EFLAGS: 00010082 RAX: 000000000000003f RBX: ffff888028d93e00 RCX: 0000000000000100 RDX: 0000000000000000 RSI: ffffffff816779dc RDI: 0000000000000005 RBP: 0000000000000020 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000101 R11: 0000000000000001 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: 00007f660d5a9d38 CR3: 0000000077e95000 CR4: 0000000000350ef0 Call Trace: bio_endio+0x5bb/0x6c0 block/bio.c:1607 req_bio_endio block/blk-mq.c:795 [inline] blk_update_request+0x3ff/0x1400 block/blk-mq.c:927 blk_mq_end_request+0x4f/0x80 block/blk-mq.c:1054 lo_complete_rq+0x1c6/0x280 drivers/block/loop.c:370 blk_complete_reqs+0xad/0xe0 block/blk-mq.c:1132 __do_softirq+0x1d4/0x905 kernel/softirq.c:571 run_ksoftirqd kernel/softirq.c:934 [inline] run_ksoftirqd+0x31/0x60 kernel/softirq.c:926 smpboot_thread_fn+0x659/0x9e0 kernel/smpboot.c:164 kthread+0x2e8/0x3a0 kernel/kthread.c:376 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 7f 97 fe 48 c7 c1 c0 3a 89 8a ba fa 08 00 00 48 c7 c6 00 39 89 8a 48 c7 c7 40 39 89 8a e8 06 8b 7b fe <0f> 0b e8 5f 92 e8 fe e9 09 f2 ff ff e8 95 7f 97 fe 48 c7 c1 00 3b RSP: 0018:ffffc90000147c90 EFLAGS: 00010082 RAX: 000000000000003f RBX: ffff888028d93e00 RCX: 0000000000000100 RDX: 0000000000000000 RSI: ffffffff816779dc RDI: 0000000000000005 RBP: 0000000000000020 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000101 R11: 0000000000000001 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: 00007f660d5a9d38 CR3: 0000000077e95000 CR4: 0000000000350ef0