syzbot


WARNING in udf_new_block

Status: auto-obsoleted due to no activity on 2023/08/09 08:15
Reported-by: syzbot+0f9361f5c663f9dd9024@syzkaller.appspotmail.com
First crash: 410d, last: 410d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in udf_new_block udf C inconclusive done 31 151d 435d 26/26 fixed on 2024/01/31 10:34
linux-5.15 WARNING in udf_new_block origin:upstream C 3 13d 36d 0/3 upstream: reported C repro on 2024/04/19 09:03
linux-6.1 WARNING in udf_new_block (2) 2 34d 37d 0/3 upstream: reported on 2024/04/19 02:50

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 21140 at fs/udf/udfdecl.h:116 udf_add_free_space fs/udf/balloc.c:102 [inline]
WARNING: CPU: 1 PID: 21140 at fs/udf/udfdecl.h:116 udf_bitmap_new_block fs/udf/balloc.c:346 [inline]
WARNING: CPU: 1 PID: 21140 at fs/udf/udfdecl.h:116 udf_new_block+0x2092/0x23f0 fs/udf/balloc.c:706
Modules linked in:
CPU: 1 PID: 21140 Comm: syz-executor.1 Not tainted 6.1.23-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
RIP: 0010:udf_updated_lvid fs/udf/udfdecl.h:114 [inline]
RIP: 0010:udf_add_free_space fs/udf/balloc.c:102 [inline]
RIP: 0010:udf_bitmap_new_block fs/udf/balloc.c:346 [inline]
RIP: 0010:udf_new_block+0x2092/0x23f0 fs/udf/balloc.c:706
Code: fe 0f 0b e9 4e fc ff ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c d2 e0 ff ff 4c 89 f7 e8 d8 7e e6 fe e9 c5 e0 ff ff e8 ce 5e 90 fe <0f> 0b e9 13 fe ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 4e e1 ff
RSP: 0018:ffffc9000acff880 EFLAGS: 00010283
RAX: ffffffff82f92ef2 RBX: 00000000b7fd2ffa RCX: 0000000000040000
RDX: ffffc90005941000 RSI: 000000000000309d RDI: 000000000000309e
RBP: ffffc9000acffad0 R08: ffffffff82f92cff R09: ffffed1012436c3b
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000000000fe
R13: dffffc0000000000 R14: ffff88809447401c R15: 00000000000000fe
FS:  00007f95a6cfe700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc726132000 CR3: 000000007a621000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_new_inode+0x3a3/0xf10 fs/udf/ialloc.c:86
 udf_mkdir+0x10b/0xaa0 fs/udf/namei.c:674
 vfs_mkdir+0x3b6/0x590 fs/namei.c:4036
 do_mkdirat+0x260/0x520 fs/namei.c:4061
 __do_sys_mkdir fs/namei.c:4081 [inline]
 __se_sys_mkdir fs/namei.c:4079 [inline]
 __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4079
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f95b048c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f95a6cfe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f95b05ac050 RCX: 00007f95b048c169
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200000c0
RBP: 00007f95b04e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffecf6410bf R14: 00007f95a6cfe300 R15: 0000000000022000
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/04/11 08:14 linux-6.1.y 543aff194ab6 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_new_block
* Struck through repros no longer work on HEAD.