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: 115 Comm: jfsCommit Not tainted 6.15.0-rc5-syzkaller-00275-gbec6f00f120e #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: e9 fd 90 0f 0b e8 31 35 82 fe 48 c7 c7 00 a4 a3 8b 48 c7 c6 f9 9f a3 8b ba a3 03 00 00 48 c7 c1 00 b1 a3 8b e8 42 f6 e9 fd 90 <0f> 0b e8 0a 35 82 fe 48 c7 c7 00 a4 a3 8b 48 c7 c6 f9 9f a3 8b ba RSP: 0018:ffffc90002d8fc68 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: bb97be7f60e92900 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90002905090 R08: ffffc90002d8f947 R09: 1ffff920005b1f28 R10: dffffc0000000000 R11: fffff520005b1f29 R12: dffffc0000000000 R13: 1ffff1100fd5ef89 R14: ffff88807eaf7c48 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881261cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc126a67000 CR3: 00000000282cc000 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+0x4e/0x80 arch/x86/kernel/process.c:153 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: e9 fd 90 0f 0b e8 31 35 82 fe 48 c7 c7 00 a4 a3 8b 48 c7 c6 f9 9f a3 8b ba a3 03 00 00 48 c7 c1 00 b1 a3 8b e8 42 f6 e9 fd 90 <0f> 0b e8 0a 35 82 fe 48 c7 c7 00 a4 a3 8b 48 c7 c6 f9 9f a3 8b ba RSP: 0018:ffffc90002d8fc68 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: bb97be7f60e92900 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90002905090 R08: ffffc90002d8f947 R09: 1ffff920005b1f28 R10: dffffc0000000000 R11: fffff520005b1f29 R12: dffffc0000000000 R13: 1ffff1100fd5ef89 R14: ffff88807eaf7c48 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881261cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd666180178 CR3: 0000000031aa4000 CR4: 0000000000350ef0