ERROR: (device loop9): remounting filesystem as read-only BUG at fs/jfs/jfs_txnmgr.c:2829 assert(mp->nohomeok) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:2829! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 13680 Comm: syz.9.1794 Not tainted 5.15.178-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:LogSyncRelease fs/jfs/jfs_txnmgr.c:2829 [inline] RIP: 0010:txAbort+0x5d3/0x5e0 fs/jfs/jfs_txnmgr.c:2655 Code: 13 1e 4d 07 0f 0b e8 cc 80 8f fe 48 c7 c7 c0 68 e2 8a 48 c7 c6 b9 64 e2 8a ba 0d 0b 00 00 48 c7 c1 80 7a e2 8a e8 ed 1d 4d 07 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 41 57 41 56 41 55 41 54 RSP: 0018:ffffc90002f2f810 EFLAGS: 00010246 RAX: 0000000000000034 RBX: 0000000000000012 RCX: 0c966483c55efe00 RDX: ffffc9000f4a0000 RSI: 000000000001ee78 RDI: 000000000001ee79 RBP: 0000000000000000 R08: ffffffff8166aa8c R09: ffffed10171e67a8 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90002882000 R13: ffff8880602181f0 R14: dffffc0000000000 R15: 0000000000000002 FS: 00007fc8e3b576c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc8e3b76fb8 CR3: 0000000061fed000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txCommit+0x5d4d/0x6ba0 fs/jfs/jfs_txnmgr.c:1354 jfs_symlink+0xe57/0x10e0 fs/jfs/namei.c:1039 vfs_symlink+0x247/0x3d0 fs/namei.c:4429 do_symlinkat+0x1fd/0x600 fs/namei.c:4458 __do_sys_symlinkat fs/namei.c:4475 [inline] __se_sys_symlinkat fs/namei.c:4472 [inline] __x64_sys_symlinkat+0x95/0xa0 fs/namei.c:4472 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fc8e5d0ede9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc8e3b57038 EFLAGS: 00000246 ORIG_RAX: 000000000000010a RAX: ffffffffffffffda RBX: 00007fc8e5f28080 RCX: 00007fc8e5d0ede9 RDX: 0000400000000640 RSI: ffffffffffffff9c RDI: 0000400000000300 RBP: 00007fc8e5d902a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fc8e5f28080 R15: 00007ffd07998c08 Modules linked in: ---[ end trace 06ff493c5199e051 ]--- RIP: 0010:LogSyncRelease fs/jfs/jfs_txnmgr.c:2829 [inline] RIP: 0010:txAbort+0x5d3/0x5e0 fs/jfs/jfs_txnmgr.c:2655 Code: 13 1e 4d 07 0f 0b e8 cc 80 8f fe 48 c7 c7 c0 68 e2 8a 48 c7 c6 b9 64 e2 8a ba 0d 0b 00 00 48 c7 c1 80 7a e2 8a e8 ed 1d 4d 07 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 41 57 41 56 41 55 41 54 RSP: 0018:ffffc90002f2f810 EFLAGS: 00010246 RAX: 0000000000000034 RBX: 0000000000000012 RCX: 0c966483c55efe00 RDX: ffffc9000f4a0000 RSI: 000000000001ee78 RDI: 000000000001ee79 RBP: 0000000000000000 R08: ffffffff8166aa8c R09: ffffed10171e67a8 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90002882000 R13: ffff8880602181f0 R14: dffffc0000000000 R15: 0000000000000002 FS: 00007fc8e3b576c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3031dff8 CR3: 0000000061fed000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400