loop0: detected capacity change from 0 to 32768
ERROR: (device loop0): dbAdjCtl: the maximum free buddy is not the old root
ERROR: (device loop0): remounting filesystem as read-only
ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
ERROR: (device loop0): remounting filesystem as read-only
xtLookup: xtSearch returned -5
ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
ERROR: (device loop0): 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!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted 6.15.0-rc2-syzkaller-00488-g6fea5fabd332 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:txEnd+0x562/0x570 fs/jfs/jfs_txnmgr.c:528
Code: e9 cd fe ff ff e8 8e 29 61 fe 48 c7 c7 c0 a4 83 8c 48 c7 c6 b9 a0 83 8c ba 10 02 00 00 48 c7 c1 00 a5 83 8c e8 af 78 c5 fd 90 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000d48f2f0 EFLAGS: 00010246
RAX: 0000000000000036 RBX: 0000000000000001 RCX: cc1200fb2f2c1800
RDX: ffffc9000e2aa000 RSI: 00000000000fffff RDI: 0000000000100000
RBP: 1ffff9200027b227 R08: ffffffff81a21d5c R09: fffffbfff1d7a960
R10: dffffc0000000000 R11: fffffbfff1d7a960 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc900013d9138 R15: 0000000000000110
FS:  00007f8665c856c0(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f766957a198 CR3: 0000000044338000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 jfs_truncate_nolock+0x3bf/0x420 fs/jfs/inode.c:391
 jfs_truncate fs/jfs/inode.c:412 [inline]
 jfs_write_failed+0x11a/0x190 fs/jfs/inode.c:289
 jfs_direct_IO+0x1b6/0x1e0 fs/jfs/inode.c:342
 generic_file_direct_write+0x1e8/0x400 mm/filemap.c:4037
 __generic_file_write_iter+0x126/0x230 mm/filemap.c:4206
 generic_file_write_iter+0x10e/0x5e0 mm/filemap.c:4246
 iter_file_splice_write+0xbdf/0x1530 fs/splice.c:738
 do_splice_from fs/splice.c:935 [inline]
 direct_splice_actor+0x11b/0x220 fs/splice.c:1158
 splice_direct_to_actor+0x595/0xc90 fs/splice.c:1102
 do_splice_direct_actor fs/splice.c:1201 [inline]
 do_splice_direct+0x281/0x3d0 fs/splice.c:1227
 do_sendfile+0x582/0x8c0 fs/read_write.c:1368
 __do_sys_sendfile64 fs/read_write.c:1429 [inline]
 __se_sys_sendfile64+0x17e/0x1e0 fs/read_write.c:1415
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8664d8e169
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:00007f8665c85038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f8664fb5fa0 RCX: 00007f8664d8e169
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 000000000000000a
RBP: 00007f8664e10a68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000080000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8664fb5fa0 R15: 00007ffc32df4908
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txEnd+0x562/0x570 fs/jfs/jfs_txnmgr.c:528
Code: e9 cd fe ff ff e8 8e 29 61 fe 48 c7 c7 c0 a4 83 8c 48 c7 c6 b9 a0 83 8c ba 10 02 00 00 48 c7 c1 00 a5 83 8c e8 af 78 c5 fd 90 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000d48f2f0 EFLAGS: 00010246
RAX: 0000000000000036 RBX: 0000000000000001 RCX: cc1200fb2f2c1800
RDX: ffffc9000e2aa000 RSI: 00000000000fffff RDI: 0000000000100000
RBP: 1ffff9200027b227 R08: ffffffff81a21d5c R09: fffffbfff1d7a960
R10: dffffc0000000000 R11: fffffbfff1d7a960 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc900013d9138 R15: 0000000000000110
FS:  00007f8665c856c0(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f766957a198 CR3: 0000000044338000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400