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: 0 PID: 107 Comm: jfsCommit Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:txUnlock+0xc87/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: df c7 16 07 0f 0b e8 98 41 92 fe 48 c7 c7 40 3c a6 8a 48 c7 c6 39 38 a6 8a ba a4 03 00 00 48 c7 c1 20 49 a6 8a e8 b9 c7 16 07 <0f> 0b e8 72 41 92 fe 48 c7 c7 40 3c a6 8a 48 c7 c6 39 38 a6 8a ba RSP: 0018:ffffc900025a7d28 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: a5abd5dd1bb1f700 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000286a090 R08: dffffc0000000000 R09: fffff520004b4f45 R10: fffff520004b4f45 R11: 1ffff920004b4f44 R12: ffff8880667fa1f0 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880792d5a94 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a97608000 CR3: 0000000060b1b000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2683 [inline] jfs_lazycommit+0x56c/0xa50 fs/jfs/jfs_txnmgr.c:2733 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xc87/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: df c7 16 07 0f 0b e8 98 41 92 fe 48 c7 c7 40 3c a6 8a 48 c7 c6 39 38 a6 8a ba a4 03 00 00 48 c7 c1 20 49 a6 8a e8 b9 c7 16 07 <0f> 0b e8 72 41 92 fe 48 c7 c7 40 3c a6 8a 48 c7 c6 39 38 a6 8a ba RSP: 0018:ffffc900025a7d28 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: a5abd5dd1bb1f700 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000286a090 R08: dffffc0000000000 R09: fffff520004b4f45 R10: fffff520004b4f45 R11: 1ffff920004b4f44 R12: ffff8880667fa1f0 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880792d5a94 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f18174b2a10 CR3: 000000007e244000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400