syzbot


WARNING in udf_truncate_extents

Status: upstream: reported C repro on 2023/03/19 00:16
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+c9e721ff7f0f74b75956@syzkaller.appspotmail.com
First crash: 435d, last: 174d
Bug presence (2)
Date Name Commit Repro Result
2023/05/10 linux-6.1.y (ToT) ca48fc16c493 C [report] INFO: rcu detected stall in corrupted
2023/05/10 upstream (ToT) 16a8829130ca C Didn't crash
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING in udf_truncate_extents C error 4 607d 817d 0/1 upstream: reported C repro on 2022/03/01 11:21
linux-4.19 WARNING in udf_truncate_extents udf C error 245 452d 977d 0/1 upstream: reported C repro on 2021/09/23 06:31
linux-5.15 WARNING in udf_truncate_extents origin:lts-only C unreliable 78 157d 435d 0/3 upstream: reported C repro on 2023/03/18 20:24
upstream WARNING in udf_truncate_extents udf C done error 3512 2h06m 1322d 0/26 upstream: reported C repro on 2020/10/12 13:20
Fix bisection attempts (1)
Created Duration User Patch Repo Result
2023/09/19 17:01 6h52m fix candidate upstream job log (1)

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4386 at fs/udf/truncate.c:208 udf_truncate_extents+0xf90/0x11a0
Modules linked in:
CPU: 1 PID: 4386 Comm: syz-executor530 Not tainted 6.1.27-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:udf_truncate_extents+0xf90/0x11a0 fs/udf/truncate.c:208
Code: 5c 41 5d 41 5e 41 5f 5d c3 e8 8c 3e 8c fe 41 be fb ff ff ff 48 8b 5c 24 60 49 bc 00 00 00 00 00 fc ff df eb 87 e8 70 3e 8c fe <0f> 0b e9 7b ff ff ff 48 8d 8c 24 60 01 00 00 80 e1 07 80 c1 03 38
RSP: 0018:ffffc900054f7100 EFLAGS: 00010293
RAX: ffffffff82fd8a50 RBX: 1ffff92000a9ee38 RCX: ffff8880254c57c0
RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000
RBP: ffffc900054f72f0 R08: ffffffff82fd7f4b R09: ffffffff82fb2220
R10: 0000000000000002 R11: ffff8880254c57c0 R12: dffffc0000000000
R13: 0000000000000200 R14: 0000000000000000 R15: 00000000000000ff
FS:  00007f7ebe186700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020044000 CR3: 000000002045a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_do_extend_file+0xdc9/0x1140 fs/udf/inode.c:592
 inode_getblk fs/udf/inode.c:799 [inline]
 udf_get_block+0x1520/0x4d10 fs/udf/inode.c:449
 __block_write_begin_int+0x544/0x1a30 fs/buffer.c:1991
 __block_write_begin fs/buffer.c:2041 [inline]
 block_write_begin+0x98/0x1f0 fs/buffer.c:2102
 udf_write_begin+0x2d/0x60 fs/udf/inode.c:212
 generic_perform_write+0x2fc/0x5e0 mm/filemap.c:3754
 __generic_file_write_iter+0x176/0x400 mm/filemap.c:3882
 udf_file_write_iter+0x291/0x670 fs/udf/file.c:164
 call_write_iter include/linux/fs.h:2205 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x7ae/0xba0 fs/read_write.c:584
 ksys_write+0x19c/0x2c0 fs/read_write.c:637
 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: 0033:0x7f7ebe1da649
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007f7ebe1862f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7ebe2607a0 RCX: 00007f7ebe1da649
RDX: 000000000208e24b RSI: 0000000020000040 RDI: 0000000000000004
RBP: 00007f7ebe22cd08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ebe22c0e0
R13: 00000000200004c0 R14: 0032656c69662f2e R15: 00007f7ebe2607a8
 </TASK>

Crashes (172):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/05/08 01:45 linux-6.1.y ca48fc16c493 90c93c40 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/08/28 22:49 linux-6.1.y 024f76bca9d0 7ba13a15 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/09 15:58 linux-6.1.y 61fd484b2cf6 668cb1fa .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/03/31 17:53 linux-6.1.y 3b29299e5f60 f325deb0 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/03/19 00:16 linux-6.1.y 7eaef76fbc46 7939252e .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in udf_truncate_extents
2023/12/04 17:13 linux-6.1.y c6114c845984 f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/09/06 15:21 linux-6.1.y c2cbfe5f5122 0b6286dc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/09/03 21:52 linux-6.1.y c2cbfe5f5122 696ea0d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/09/02 21:25 linux-6.1.y c2cbfe5f5122 696ea0d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/08/28 19:23 linux-6.1.y 024f76bca9d0 7ba13a15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/08/15 03:24 linux-6.1.y 1321ab403b38 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/08/05 22:39 linux-6.1.y 52a953d0934b 4ffcc9ef .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/08/04 04:54 linux-6.1.y 52a953d0934b 74621247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/08/02 07:47 linux-6.1.y d2a6dc4eaf6d df07ffe8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/08/01 01:31 linux-6.1.y d2a6dc4eaf6d 2a0d0f29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/30 09:52 linux-6.1.y d2a6dc4eaf6d 92476829 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/30 07:49 linux-6.1.y d2a6dc4eaf6d 92476829 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/30 04:14 linux-6.1.y d2a6dc4eaf6d 92476829 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/30 04:14 linux-6.1.y d2a6dc4eaf6d 92476829 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/26 01:09 linux-6.1.y 5302e81aa209 6756545c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/24 00:23 linux-6.1.y 75389113731b 27cbe77f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/22 16:51 linux-6.1.y a456e1743881 27cbe77f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/22 16:05 linux-6.1.y a456e1743881 27cbe77f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/22 01:27 linux-6.1.y a456e1743881 abdf9bae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/21 13:31 linux-6.1.y a456e1743881 28847498 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/21 10:45 linux-6.1.y a456e1743881 28847498 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/16 15:46 linux-6.1.y 61fd484b2cf6 35d9ecc5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/16 14:19 linux-6.1.y 61fd484b2cf6 35d9ecc5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/16 04:27 linux-6.1.y 61fd484b2cf6 35d9ecc5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/16 03:10 linux-6.1.y 61fd484b2cf6 35d9ecc5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/16 01:51 linux-6.1.y 61fd484b2cf6 35d9ecc5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/16 01:14 linux-6.1.y 61fd484b2cf6 35d9ecc5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/12 03:10 linux-6.1.y 61fd484b2cf6 2f19aa4f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/12 00:23 linux-6.1.y 61fd484b2cf6 2f19aa4f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/08 00:47 linux-6.1.y 61fd484b2cf6 668cb1fa .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/06 03:18 linux-6.1.y 0f4ac6b4c5f0 ba5dba36 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/05 01:32 linux-6.1.y 0f4ac6b4c5f0 f99c2404 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/04 13:21 linux-6.1.y 0f4ac6b4c5f0 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/02 02:03 linux-6.1.y 0f4ac6b4c5f0 bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/07/02 01:26 linux-6.1.y 0f4ac6b4c5f0 bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/06/29 07:32 linux-6.1.y a1c449d00ff8 ca69c785 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/06/27 09:30 linux-6.1.y e84a4e368abe 4cd5bb25 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/06/26 06:46 linux-6.1.y e84a4e368abe 79782afc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/06/25 23:41 linux-6.1.y e84a4e368abe 79782afc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/06/25 20:39 linux-6.1.y e84a4e368abe 79782afc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/06/23 07:16 linux-6.1.y e84a4e368abe 79782afc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/06/23 02:55 linux-6.1.y e84a4e368abe 79782afc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/06/22 23:45 linux-6.1.y e84a4e368abe 79782afc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in udf_truncate_extents
2023/05/31 03:40 linux-6.1.y d2869ace6eeb df37c7f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in udf_truncate_extents
* Struck through repros no longer work on HEAD.