ERROR: (device loop1): remounting filesystem as read-only
xtLookup: xtSearch returned -5
ERROR: (device loop1): xtSearch: xt_getpage: xtree page corrupt
ERROR: (device loop1): xtTruncate: xt_getpage: xtree page corrupt
BUG at fs/jfs/jfs_txnmgr.c:529 assert(tblk->next == 0)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:529!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 13272 Comm: syz.1.1437 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:529
Code: e9 cc fe ff ff e8 01 b4 74 fe 48 c7 c7 e0 a0 c5 8b 48 c7 c6 d9 9c c5 8b ba 11 02 00 00 48 c7 c1 20 a1 c5 8b e8 62 a2 db fd 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
RSP: 0018:ffffc9000b83f3a0 EFLAGS: 00010246
RAX: 0000000000000036 RBX: ffff88802faeb800 RCX: 85ecbd69811df200
RDX: ffffc9000e629000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000274a652 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa958 R12: 1ffff920004e94cf
R13: dffffc0000000000 R14: ffffc9000274a678 R15: 000000000000017b
FS:  00007f8d1b6c56c0(0000) GS:ffff888125d07000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000048000 CR3: 000000005881e000 CR4: 00000000003526f0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 jfs_truncate_nolock+0x2b6/0x340 fs/jfs/inode.c:399
 jfs_truncate fs/jfs/inode.c:420 [inline]
 jfs_write_failed+0x119/0x190 fs/jfs/inode.c:295
 jfs_direct_IO+0x1f4/0x220 fs/jfs/inode.c:350
 generic_file_direct_write+0x1db/0x3e0 mm/filemap.c:4248
 __generic_file_write_iter+0x11d/0x230 mm/filemap.c:4417
 generic_file_write_iter+0x117/0x550 mm/filemap.c:4457
 iter_file_splice_write+0x972/0x10b0 fs/splice.c:738
 do_splice_from fs/splice.c:938 [inline]
 direct_splice_actor+0x101/0x160 fs/splice.c:1161
 splice_direct_to_actor+0x5a8/0xcc0 fs/splice.c:1105
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x181/0x270 fs/splice.c:1230
 do_sendfile+0x4da/0x7e0 fs/read_write.c:1370
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8d1a78f749
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:00007f8d1b6c5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f8d1a9e6180 RCX: 00007f8d1a78f749
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f8d1a813f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020fffe85 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8d1a9e6218 R14: 00007f8d1a9e6180 R15: 00007ffe87ae7608
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:529
Code: e9 cc fe ff ff e8 01 b4 74 fe 48 c7 c7 e0 a0 c5 8b 48 c7 c6 d9 9c c5 8b ba 11 02 00 00 48 c7 c1 20 a1 c5 8b e8 62 a2 db fd 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
RSP: 0018:ffffc9000b83f3a0 EFLAGS: 00010246
RAX: 0000000000000036 RBX: ffff88802faeb800 RCX: 85ecbd69811df200
RDX: ffffc9000e629000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000274a652 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa958 R12: 1ffff920004e94cf
R13: dffffc0000000000 R14: ffffc9000274a678 R15: 000000000000017b
FS:  00007f8d1b6c56c0(0000) GS:ffff888125d07000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000048000 CR3: 000000005881e000 CR4: 00000000003526f0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400