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 NOPTI CPU: 1 UID: 0 PID: 110 Comm: jfsCommit Not tainted 6.16.0-rc3-syzkaller-00057-g92ca6c498a5e #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: e5 fd 90 0f 0b e8 e1 b7 7e fe 48 c7 c7 e0 04 c4 8b 48 c7 c6 d9 00 c4 8b ba a3 03 00 00 48 c7 c1 e0 11 c4 8b e8 62 f9 e5 fd 90 <0f> 0b e8 ba b7 7e fe 48 c7 c7 e0 04 c4 8b 48 c7 c6 d9 00 c4 8b ba RSP: 0018:ffffc9000259fbc8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: c744e43528997300 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000290a048 R08: ffffc9000259f8e7 R09: 1ffff920004b3f1c R10: dffffc0000000000 R11: fffff520004b3f1d R12: dffffc0000000000 R13: 1ffff11009c39fe6 R14: ffff88804e1cff30 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125d51000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f169c9fff78 CR3: 0000000067ca2000 CR4: 0000000000350ef0 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: e5 fd 90 0f 0b e8 e1 b7 7e fe 48 c7 c7 e0 04 c4 8b 48 c7 c6 d9 00 c4 8b ba a3 03 00 00 48 c7 c1 e0 11 c4 8b e8 62 f9 e5 fd 90 <0f> 0b e8 ba b7 7e fe 48 c7 c7 e0 04 c4 8b 48 c7 c6 d9 00 c4 8b ba RSP: 0018:ffffc9000259fbc8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: c744e43528997300 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000290a048 R08: ffffc9000259f8e7 R09: 1ffff920004b3f1c R10: dffffc0000000000 R11: fffff520004b3f1d R12: dffffc0000000000 R13: 1ffff11009c39fe6 R14: ffff88804e1cff30 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125d51000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7f8d17e2d8 CR3: 00000000625e4000 CR4: 0000000000350ef0