ERROR: (device loop5): remounting filesystem as read-only
xtLookup: xtSearch returned -5
ERROR: (device loop5): xtSearch: XT_GETPAGE: xtree page corrupt
ERROR: (device loop5): xtTruncate: XT_GETPAGE: xtree page corrupt
BUG at fs/jfs/jfs_txnmgr.c:528 assert(tblk->next == 0)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:528!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7570 Comm: syz.5.690 Not tainted 6.1.141-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:txEnd+0x51a/0x520 fs/jfs/jfs_txnmgr.c:528
Code: fe e9 cc fe ff ff e8 85 0c 92 fe 48 c7 c7 80 5a a6 8a 48 c7 c6 79 56 a6 8a ba 10 02 00 00 48 c7 c1 c0 5a a6 8a e8 96 bb 15 07 <0f> 0b 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4
RSP: 0018:ffffc90004f5f340 EFLAGS: 00010246
RAX: 0000000000000036 RBX: ffff888026da5000 RCX: 4f09deb155e85c00
RDX: ffffc90014eeb000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000265f1c2 R08: dffffc0000000000 R09: ffffed10171c4f34
R10: ffffed10171c4f34 R11: 1ffff110171c4f33 R12: 1ffff920004cbe3d
R13: dffffc0000000000 R14: ffffc9000265f1e8 R15: 00000000000000d0
FS:  00007f01156bc6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f170035a000 CR3: 0000000063fe2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 jfs_truncate_nolock+0x247/0x2d0 fs/jfs/inode.c:396
 jfs_truncate fs/jfs/inode.c:417 [inline]
 jfs_write_failed+0x119/0x190 fs/jfs/inode.c:294
 jfs_direct_IO+0x1ef/0x220 fs/jfs/inode.c:347
 generic_file_direct_write+0x3be/0x660 mm/filemap.c:3770
 __generic_file_write_iter+0x1db/0x430 mm/filemap.c:3930
 generic_file_write_iter+0xab/0x2e0 mm/filemap.c:4006
 do_iter_readv_writev fs/read_write.c:-1 [inline]
 do_iter_write+0x62d/0xaf0 fs/read_write.c:861
 iter_file_splice_write+0x665/0xc50 fs/splice.c:685
 do_splice_from fs/splice.c:763 [inline]
 direct_splice_actor+0xe1/0x130 fs/splice.c:950
 splice_direct_to_actor+0x480/0xb60 fs/splice.c:896
 do_splice_direct+0x1b0/0x2b0 fs/splice.c:1002
 do_sendfile+0x5cc/0xeb0 fs/read_write.c:1255
 __do_sys_sendfile64 fs/read_write.c:1323 [inline]
 __se_sys_sendfile64+0x13b/0x190 fs/read_write.c:1309
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f011478e929
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:00007f01156bc038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f01149b6080 RCX: 00007f011478e929
RDX: 0000000000000000 RSI: 000000000000000b RDI: 000000000000000a
RBP: 00007f0114810b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000fffe82 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f01149b6080 R15: 00007ffe2dea1f18
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txEnd+0x51a/0x520 fs/jfs/jfs_txnmgr.c:528
Code: fe e9 cc fe ff ff e8 85 0c 92 fe 48 c7 c7 80 5a a6 8a 48 c7 c6 79 56 a6 8a ba 10 02 00 00 48 c7 c1 c0 5a a6 8a e8 96 bb 15 07 <0f> 0b 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4
RSP: 0018:ffffc90004f5f340 EFLAGS: 00010246
RAX: 0000000000000036 RBX: ffff888026da5000 RCX: 4f09deb155e85c00
RDX: ffffc90014eeb000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000265f1c2 R08: dffffc0000000000 R09: ffffed10171c4f34
R10: ffffed10171c4f34 R11: 1ffff110171c4f33 R12: 1ffff920004cbe3d
R13: dffffc0000000000 R14: ffffc9000265f1e8 R15: 00000000000000d0
FS:  00007f01156bc6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f170035a000 CR3: 0000000063fe2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400