BUG at fs/jfs/jfs_txnmgr.c:931 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:931! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 114 Comm: jfsCommit Not tainted 6.16.0-rc4-syzkaller-00049-gb4911fb0b060 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:txUnlock+0xdaf/0xdf0 fs/jfs/jfs_txnmgr.c:931 Code: e8 fd 90 0f 0b e8 b1 e2 80 fe 48 c7 c7 60 ef c3 8b 48 c7 c6 59 eb c3 8b ba a3 03 00 00 48 c7 c1 60 fc c3 8b e8 42 1f e8 fd 90 <0f> 0b e8 8a e2 80 fe 48 c7 c7 60 ef c3 8b 48 c7 c6 59 eb c3 8b ba RSP: 0018:ffffc90002dc7bc8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 569e331f0b7d8000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000292a120 R08: ffffc90002dc78e7 R09: 1ffff920005b8f1c R10: dffffc0000000000 R11: fffff520005b8f1d R12: dffffc0000000000 R13: 1ffff1100995cb6a R14: ffff88804cae5b50 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125d84000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff3395dfc8 CR3: 0000000031dea000 CR4: 00000000003526f0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2682 [inline] jfs_lazycommit+0x584/0xa90 fs/jfs/jfs_txnmgr.c:2733 kthread+0x711/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xdaf/0xdf0 fs/jfs/jfs_txnmgr.c:931 Code: e8 fd 90 0f 0b e8 b1 e2 80 fe 48 c7 c7 60 ef c3 8b 48 c7 c6 59 eb c3 8b ba a3 03 00 00 48 c7 c1 60 fc c3 8b e8 42 1f e8 fd 90 <0f> 0b e8 8a e2 80 fe 48 c7 c7 60 ef c3 8b 48 c7 c6 59 eb c3 8b ba RSP: 0018:ffffc90002dc7bc8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 569e331f0b7d8000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000292a120 R08: ffffc90002dc78e7 R09: 1ffff920005b8f1c R10: dffffc0000000000 R11: fffff520005b8f1d R12: dffffc0000000000 R13: 1ffff1100995cb6a R14: ffff88804cae5b50 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125c84000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fde064b1eb8 CR3: 000000007c79e000 CR4: 00000000003526f0