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-rc5-next-20230406-syzkaller #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 95 b9 95 fe 48 c7 c1 40 93 89 8a ba fa 08 00 00 48 c7 c6 80 91 89 8a 48 c7 c7 c0 91 89 8a e8 86 c3 79 fe <0f> 0b e8 7f 7c e8 fe e9 09 f2 ff ff e8 65 b9 95 fe 48 c7 c1 80 93 RSP: 0018:ffffc90000147c70 EFLAGS: 00010086 RAX: 000000000000003f RBX: ffff88814a107700 RCX: 0000000000000100 RDX: 0000000000000000 RSI: ffffffff8167f4dc 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: 00007f7b65ac6000 CR3: 000000001cc4c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bio_endio+0x595/0x6a0 block/bio.c:1608 req_bio_endio block/blk-mq.c:759 [inline] blk_update_request+0x56b/0x14f0 block/blk-mq.c:904 blk_mq_end_request+0x59/0x4c0 block/blk-mq.c:1021 lo_complete_rq+0x1c6/0x280 drivers/block/loop.c:370 blk_complete_reqs+0xad/0xe0 block/blk-mq.c:1099 __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+0x659/0x9f0 kernel/smpboot.c:164 kthread+0x33e/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 95 b9 95 fe 48 c7 c1 40 93 89 8a ba fa 08 00 00 48 c7 c6 80 91 89 8a 48 c7 c7 c0 91 89 8a e8 86 c3 79 fe <0f> 0b e8 7f 7c e8 fe e9 09 f2 ff ff e8 65 b9 95 fe 48 c7 c1 80 93 RSP: 0018:ffffc90000147c70 EFLAGS: 00010086 RAX: 000000000000003f RBX: ffff88814a107700 RCX: 0000000000000100 RDX: 0000000000000000 RSI: ffffffff8167f4dc 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: 00007f7b65ac6000 CR3: 000000001cc4c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400