BUG at fs/jfs/jfs_txnmgr.c:932 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:932! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 277 Comm: jfsCommit Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:txUnlock+0xc7d/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: c9 80 e2 06 0f 0b e8 42 0b a6 fe 48 c7 c7 40 52 62 8a 48 c7 c6 29 4e 62 8a ba a4 03 00 00 48 c7 c1 00 5d 62 8a e8 a3 80 e2 06 <0f> 0b e8 1c 0b a6 fe 48 c7 c7 40 52 62 8a 48 c7 c6 29 4e 62 8a ba RSP: 0018:ffffc90002d1fd30 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: e08a0efa32d4c300 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff88807398d2e8 R08: ffff8880b9133d7f R09: 1ffff110172267af R10: dffffc0000000000 R11: ffffed10172267b0 R12: ffffc90002892090 R13: dffffc0000000000 R14: 0000000000000012 R15: ffff88814a8fc694 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa844e7ea08 CR3: 000000002430f000 CR4: 00000000003506e0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2717 [inline] jfs_lazycommit+0x598/0xb60 fs/jfs/jfs_txnmgr.c:2767 kthread+0x42e/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Modules linked in: ---[ end trace d94893c2e6288b24 ]--- RIP: 0010:txUnlock+0xc7d/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: c9 80 e2 06 0f 0b e8 42 0b a6 fe 48 c7 c7 40 52 62 8a 48 c7 c6 29 4e 62 8a ba a4 03 00 00 48 c7 c1 00 5d 62 8a e8 a3 80 e2 06 <0f> 0b e8 1c 0b a6 fe 48 c7 c7 40 52 62 8a 48 c7 c6 29 4e 62 8a ba RSP: 0018:ffffc90002d1fd30 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: e08a0efa32d4c300 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff88807398d2e8 R08: ffff8880b9133d7f R09: 1ffff110172267af R10: dffffc0000000000 R11: ffffed10172267b0 R12: ffffc90002892090 R13: dffffc0000000000 R14: 0000000000000012 R15: ffff88814a8fc694 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbfbd978000 CR3: 0000000077d7d000 CR4: 00000000003506e0