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: 1 PID: 108 Comm: jfsCommit Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:txUnlock+0xc7d/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: 59 df 2b 07 0f 0b e8 72 5a 8e fe 48 c7 c7 c0 1a c6 8a 48 c7 c6 a9 16 c6 8a ba a4 03 00 00 48 c7 c1 a0 27 c6 8a e8 33 df 2b 07 <0f> 0b e8 4c 5a 8e fe 48 c7 c7 c0 1a c6 8a 48 c7 c6 a9 16 c6 8a ba RSP: 0018:ffffc90002d27d30 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: d256eea690cdd300 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff888074b596c8 R08: ffffc90002d27a27 R09: 1ffff920005a4f44 R10: dffffc0000000000 R11: fffff520005a4f45 R12: ffffc9000287a1f8 R13: dffffc0000000000 R14: 000000000000003f R15: ffff888078df9894 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6e175cf4e8 CR3: 000000005de91000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2683 [inline] jfs_lazycommit+0x588/0xa90 fs/jfs/jfs_txnmgr.c:2733 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xc7d/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: 59 df 2b 07 0f 0b e8 72 5a 8e fe 48 c7 c7 c0 1a c6 8a 48 c7 c6 a9 16 c6 8a ba a4 03 00 00 48 c7 c1 a0 27 c6 8a e8 33 df 2b 07 <0f> 0b e8 4c 5a 8e fe 48 c7 c7 c0 1a c6 8a 48 c7 c6 a9 16 c6 8a ba RSP: 0018:ffffc90002d27d30 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: d256eea690cdd300 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff888074b596c8 R08: ffffc90002d27a27 R09: 1ffff920005a4f44 R10: dffffc0000000000 R11: fffff520005a4f45 R12: ffffc9000287a1f8 R13: dffffc0000000000 R14: 000000000000003f R15: ffff888078df9894 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055816e2b5950 CR3: 0000000056d3d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400