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: 1 UID: 0 PID: 112 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:txUnlock+0xdaf/0xdf0 fs/jfs/jfs_txnmgr.c:932 Code: c9 fd 90 0f 0b e8 01 db 67 fe 48 c7 c7 20 1f 0b 8c 48 c7 c6 19 1b 0b 8c ba a4 03 00 00 48 c7 c1 20 2c 0b 8c e8 b2 f6 c9 fd 90 <0f> 0b e8 da da 67 fe 48 c7 c7 20 1f 0b 8c 48 c7 c6 19 1b 0b 8c ba RSP: 0018:ffffc90002d77c48 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: af4923917349f500 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900028ea168 R08: ffffc90002d779c7 R09: 1ffff920005aef38 R10: dffffc0000000000 R11: fffff520005aef39 R12: dffffc0000000000 R13: 1ffff1100f72754b R14: ffff88807b93aa58 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88812556a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557f95aa28 CR3: 00000000377e4000 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:467 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: c9 fd 90 0f 0b e8 01 db 67 fe 48 c7 c7 20 1f 0b 8c 48 c7 c6 19 1b 0b 8c ba a4 03 00 00 48 c7 c1 20 2c 0b 8c e8 b2 f6 c9 fd 90 <0f> 0b e8 da da 67 fe 48 c7 c7 20 1f 0b 8c 48 c7 c6 19 1b 0b 8c ba RSP: 0018:ffffc90002d77c48 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: af4923917349f500 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900028ea168 R08: ffffc90002d779c7 R09: 1ffff920005aef38 R10: dffffc0000000000 R11: fffff520005aef39 R12: dffffc0000000000 R13: 1ffff1100f72754b R14: ffff88807b93aa58 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88812556a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557f95aa28 CR3: 00000000233ba000 CR4: 00000000003526f0