BUG at fs/jfs/jfs_logmgr.c:2303 assert(bp->l_flag & lbmRELEASE) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_logmgr.c:2303! Internal error: Oops - BUG: 00000000f2000800 [#1] SMP Modules linked in: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 634000c5 (nZCv daIF +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : lbmIODone+0x1294/0x12e8 fs/jfs/jfs_logmgr.c:2303 lr : lbmIODone+0x1294/0x12e8 fs/jfs/jfs_logmgr.c:2303 sp : ffff800097c678d0 x29: ffff800097c67960 x28: 1fffe00018c38ca1 x27: 0000000000000020 x26: 1fffe0001a4f064f x25: dfff800000000000 x24: 0000000000000000 x23: ffff0000c61c6508 x22: ffff0000d2783278 x21: 0000000000000000 x20: 0000000000000020 x19: ffff0000c61c6500 x18: 1fffe00033797688 x17: ffff80008f7de000 x16: ffff80008b00ff28 x15: 0000000000000001 x14: 1ffff00012f8ce90 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012f8ce91 x10: 0000000000ff0100 x9 : 4257e84271db6d00 x8 : 4257e84271db6d00 x7 : ffff800080563d2c x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000807de8f0 x2 : 0000000000000001 x1 : 0000000100000101 x0 : 000000000000003f Call trace: lbmIODone+0x1294/0x12e8 fs/jfs/jfs_logmgr.c:2303 (P) bio_endio+0x858/0x894 block/bio.c:1651 blk_update_request+0x474/0xba8 block/blk-mq.c:989 blk_mq_end_request+0x54/0x88 block/blk-mq.c:1151 lo_complete_rq+0x124/0x274 drivers/block/loop.c:314 blk_complete_reqs block/blk-mq.c:1226 [inline] blk_done_softirq+0x11c/0x168 block/blk-mq.c:1231 handle_softirqs+0x328/0xc88 kernel/softirq.c:579 run_ksoftirqd+0x70/0xc0 kernel/softirq.c:968 smpboot_thread_fn+0x4d8/0x9cc kernel/smpboot.c:160 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 Code: f004c2c3 911c0063 52811fe2 9793a804 (d4210000) ---[ end trace 0000000000000000 ]---