loop2: detected capacity change from 0 to 32768 ERROR: (device loop2): diWrite: ixpxd invalid ERROR: (device loop2): remounting filesystem as read-only BUG at fs/jfs/jfs_txnmgr.c:2797 assert(mp->nohomeok) ------------[ cut here ]------------ kernel BU[ 139.100295][ T6337] kernel BUG at fs/jfs/jfs_txnmgr.c:2797! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 6337 Comm: syz.2.73 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:LogSyncRelease fs/jfs/jfs_txnmgr.c:2797 [inline] RIP: 0010:txAbort+0x716/0x760 fs/jfs/jfs_txnmgr.c:2622 Code: e9 2c ff ff ff e8 9a e2 73 fe 48 c7 c7 60 98 6a 8b 48 c7 c6 59 94 6a 8b ba ed 0a 00 00 48 c7 c1 00 ad 6a 8b e8 9b 0a d8 fd 90 <0f> 0b e8 73 e2 73 fe 48 c7 c7 60 98 6a 8b 48 c7 c6 59 94 6a 8b ba RSP: 0018:ffffc900054ef8b0 EFLAGS: 00010246 RAX: 0000000000000034 RBX: 1ffff110051be06b RCX: 68c40e7851b3e700 RDX: ffffc9000db82000 RSI: 000000000000105a RDI: 000000000000105b RBP: ffff888028df0358 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed1017124923 R12: 0000000000000036 R13: ffff888028df0270 R14: 0000000000000000 R15: 0000000000000006 FS: 00007f5e4caee6c0(0000) GS:ffff88812669c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055755c9f44b0 CR3: 000000003c6a4000 CR4: 00000000003526f0 Call Trace: txCommit+0x46bd/0x5410 fs/jfs/jfs_txnmgr.c:1355 jfs_link+0x435/0x610 fs/jfs/namei.c:839 vfs_link+0x518/0x6e0 fs/namei.c:5746 filename_linkat+0x273/0x600 fs/namei.c:5814 __do_sys_linkat fs/namei.c:5840 [inline] __se_sys_linkat+0x60/0x2d0 fs/namei.c:5835 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5e4e89bf79 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5e4caee028 EFLAGS: 00000246 ORIG_RAX: 0000000000000109 RAX: ffffffffffffffda RBX: 00007f5e4eb15fa0 RCX: 00007f5e4e89bf79 RDX: ffffffffffffff9c RSI: 00002000000006c0 RDI: ffffffffffffff9c RBP: 00007f5e4e9327e0 R08: 0000000000001000 R09: 0000000000000000 R10: 0000200000000400 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f5e4eb16038 R14: 00007f5e4eb15fa0 R15: 00007ffdc726fbe8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:LogSyncRelease fs/jfs/jfs_txnmgr.c:2797 [inline] RIP: 0010:txAbort+0x716/0x760 fs/jfs/jfs_txnmgr.c:2622 Code: e9 2c ff ff ff e8 9a e2 73 fe 48 c7 c7 60 98 6a 8b 48 c7 c6 59 94 6a 8b ba ed 0a 00 00 48 c7 c1 00 ad 6a 8b e8 9b 0a d8 fd 90 <0f> 0b e8 73 e2 73 fe 48 c7 c7 60 98 6a 8b 48 c7 c6 59 94 6a 8b ba RSP: 0018:ffffc900054ef8b0 EFLAGS: 00010246 RAX: 0000000000000034 RBX: 1ffff110051be06b RCX: 68c40e7851b3e700 RDX: ffffc9000db82000 RSI: 000000000000105a RDI: 000000000000105b RBP: ffff888028df0358 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed1017124923 R12: 0000000000000036 R13: ffff888028df0270 R14: 0000000000000000 R15: 0000000000000006 FS: 00007f5e4caee6c0(0000) GS:ffff88812659c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc53120f52 CR3: 000000003c6a4000 CR4: 00000000003526f0