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: 111 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: 6f 02 5b 07 0f 0b e8 18 f2 83 fe 48 c7 c7 80 11 e4 8a 48 c7 c6 79 0d e4 8a ba a4 03 00 00 48 c7 c1 60 1e e4 8a e8 49 02 5b 07 <0f> 0b e8 f2 f1 83 fe 48 c7 c7 80 11 e4 8a 48 c7 c6 79 0d e4 8a ba RSP: 0000:ffffc900025b7d08 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 511f5569e2fdff00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000284a120 R08: ffffc900025b7a07 R09: 1ffff920004b6f40 R10: dffffc0000000000 R11: fffff520004b6f41 R12: ffff88801b7d93e0 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802bdfd094 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe66538608 CR3: 000000005d7f1000 CR4: 00000000003506f0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2683 [inline] jfs_lazycommit+0x570/0xa60 fs/jfs/jfs_txnmgr.c:2733 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xc87/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: 6f 02 5b 07 0f 0b e8 18 f2 83 fe 48 c7 c7 80 11 e4 8a 48 c7 c6 79 0d e4 8a ba a4 03 00 00 48 c7 c1 60 1e e4 8a e8 49 02 5b 07 <0f> 0b e8 f2 f1 83 fe 48 c7 c7 80 11 e4 8a 48 c7 c6 79 0d e4 8a ba RSP: 0000:ffffc900025b7d08 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 511f5569e2fdff00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000284a120 R08: ffffc900025b7a07 R09: 1ffff920004b6f40 R10: dffffc0000000000 R11: fffff520004b6f41 R12: ffff88801b7d93e0 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802bdfd094 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd42d1b6ad8 CR3: 000000001ef22000 CR4: 00000000003506f0