BUG at fs/jfs/jfs_txnmgr.c:932 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:932! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 112 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:txUnlock+0xdaf/0xdf0 fs/jfs/jfs_txnmgr.c:932 Code: c8 fd 90 0f 0b e8 e1 4f 66 fe 48 c7 c7 60 84 0b 8c 48 c7 c6 59 80 0b 8c ba a4 03 00 00 48 c7 c1 60 91 0b 8c e8 a2 65 c8 fd 90 <0f> 0b e8 ba 4f 66 fe 48 c7 c7 60 84 0b 8c 48 c7 c6 59 80 0b 8c ba RSP: 0018:ffffc90002de7c48 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: e29dc18e930e5700 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000294a0d8 R08: ffffc90002de79c7 R09: 1ffff920005bcf38 R10: dffffc0000000000 R11: fffff520005bcf39 R12: dffffc0000000000 R13: 1ffff11004a6436a R14: ffff888025321b50 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125457000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8a2dde9e80 CR3: 000000004c538000 CR4: 00000000003526f0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2683 [inline] jfs_lazycommit+0x582/0xaa0 fs/jfs/jfs_txnmgr.c:2734 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 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:932 Code: c8 fd 90 0f 0b e8 e1 4f 66 fe 48 c7 c7 60 84 0b 8c 48 c7 c6 59 80 0b 8c ba a4 03 00 00 48 c7 c1 60 91 0b 8c e8 a2 65 c8 fd 90 <0f> 0b e8 ba 4f 66 fe 48 c7 c7 60 84 0b 8c 48 c7 c6 59 80 0b 8c ba RSP: 0018:ffffc90002de7c48 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: e29dc18e930e5700 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000294a0d8 R08: ffffc90002de79c7 R09: 1ffff920005bcf38 R10: dffffc0000000000 R11: fffff520005bcf39 R12: dffffc0000000000 R13: 1ffff11004a6436a R14: ffff888025321b50 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125557000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8a2ec61ff8 CR3: 000000004d644000 CR4: 00000000003526f0