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 NOPTI 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 10/02/2025 RIP: 0010:txUnlock+0xdaf/0xdf0 fs/jfs/jfs_txnmgr.c:932 Code: df fd 90 0f 0b e8 41 26 78 fe 48 c7 c7 a0 ac a4 8b 48 c7 c6 99 a8 a4 8b ba a4 03 00 00 48 c7 c1 a0 b9 a4 8b e8 c2 b3 df fd 90 <0f> 0b e8 1a 26 78 fe 48 c7 c7 a0 ac a4 8b 48 c7 c6 99 a8 a4 8b ba RSP: 0018:ffffc90002d97ba8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: e7e86f7adbed9800 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000290a0d8 R08: ffffc90002d978c7 R09: 1ffff920005b2f18 R10: dffffc0000000000 R11: fffff520005b2f19 R12: dffffc0000000000 R13: 1ffff11009a6af0d R14: ffff88804d357868 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88812623b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2df87156c0 CR3: 0000000059d72000 CR4: 0000000000350ef0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2683 [inline] jfs_lazycommit+0x584/0xa90 fs/jfs/jfs_txnmgr.c:2734 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 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: df fd 90 0f 0b e8 41 26 78 fe 48 c7 c7 a0 ac a4 8b 48 c7 c6 99 a8 a4 8b ba a4 03 00 00 48 c7 c1 a0 b9 a4 8b e8 c2 b3 df fd 90 <0f> 0b e8 1a 26 78 fe 48 c7 c7 a0 ac a4 8b 48 c7 c6 99 a8 a4 8b ba RSP: 0018:ffffc90002d97ba8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: e7e86f7adbed9800 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000290a0d8 R08: ffffc90002d978c7 R09: 1ffff920005b2f18 R10: dffffc0000000000 R11: fffff520005b2f19 R12: dffffc0000000000 R13: 1ffff11009a6af0d R14: ffff88804d357868 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88812613b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc5b0be7dac CR3: 00000000777d1000 CR4: 0000000000350ef0