loop0: detected capacity change from 0 to 32768
read_mapping_page failed!
bread failed!
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] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5109 Comm: syz.0.0 Not tainted 6.12.0-rc2-syzkaller-00061-gb983b271662b #0
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+0x557/0x560 fs/jfs/jfs_txnmgr.c:528
Code: e9 cd fe ff ff e8 a9 d6 64 fe 48 c7 c7 20 6f 43 8c 48 c7 c6 19 6b 43 8c ba 10 02 00 00 48 c7 c1 60 6f 43 8c e8 ca 66 92 08 90 <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900030bfa30 EFLAGS: 00010246
RAX: 0000000000000036 RBX: 000000000000009a RCX: b4dd4423b38dc100
RDX: ffffc9000b5c1000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 1ffff9200022bc61 R08: ffffffff8174af6c R09: fffffbfff1cf9fd8
R10: dffffc0000000000 R11: fffffbfff1cf9fd8 R12: dffffc0000000000
R13: 000000000000004e R14: ffffc9000115e308 R15: 00000000000052e0
FS:  00007fc92a75b6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc92a73a990 CR3: 0000000035ba8000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 jfs_truncate_nolock+0x2f3/0x390 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+0x17a/0x390 mm/filemap.c:3977
 __generic_file_write_iter+0x126/0x230 mm/filemap.c:4141
 generic_file_write_iter+0xae/0x310 mm/filemap.c:4181
 new_sync_write fs/read_write.c:590 [inline]
 vfs_write+0xa6d/0xc90 fs/read_write.c:683
 ksys_pwrite64 fs/read_write.c:798 [inline]
 __do_sys_pwrite64 fs/read_write.c:808 [inline]
 __se_sys_pwrite64 fs/read_write.c:805 [inline]
 __x64_sys_pwrite64+0x1aa/0x230 fs/read_write.c:805
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc92997dff9
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:00007fc92a75b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fc929b35f80 RCX: 00007fc92997dff9
RDX: 00000000c0000000 RSI: 0000000020000000 RDI: 0000000000000006
RBP: 00007fc9299f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000007000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc929b35f80 R15: 00007ffea44925f8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txEnd+0x557/0x560 fs/jfs/jfs_txnmgr.c:528
Code: e9 cd fe ff ff e8 a9 d6 64 fe 48 c7 c7 20 6f 43 8c 48 c7 c6 19 6b 43 8c ba 10 02 00 00 48 c7 c1 60 6f 43 8c e8 ca 66 92 08 90 <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900030bfa30 EFLAGS: 00010246
RAX: 0000000000000036 RBX: 000000000000009a RCX: b4dd4423b38dc100
RDX: ffffc9000b5c1000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 1ffff9200022bc61 R08: ffffffff8174af6c R09: fffffbfff1cf9fd8
R10: dffffc0000000000 R11: fffffbfff1cf9fd8 R12: dffffc0000000000
R13: 000000000000004e R14: ffffc9000115e308 R15: 00000000000052e0
FS:  00007fc92a75b6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc92a73a990 CR3: 0000000035ba8000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400