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WARNING in udf_setsize (2)

Status: upstream: reported C repro on 2023/06/12 18:18
Subsystems: udf
[Documentation on labels]
Reported-by: syzbot+db6df8c0f578bc11e50e@syzkaller.appspotmail.com
First crash: 658d, last: 1d21h
Cause bisection: introduced by (bisect log) :
commit 16d0556568148bdcaa45d077cac9f8f7077cf70a
Author: Jan Kara <jack@suse.cz>
Date: Wed Dec 7 17:17:34 2022 +0000

  udf: Discard preallocation before extending file with a hole

Crash: WARNING in udf_setsize (log)
Repro: C syz .config
  
▶ ▼ Discussions (20)
Title Replies (including bot) Last reply
[syzbot] Monthly udf report (Mar 2025) 0 (1) 2025/03/23 02:26
[syzbot] Monthly udf report (Feb 2025) 0 (1) 2025/02/19 12:35
[syzbot] Monthly udf report (Jan 2025) 0 (1) 2025/01/20 08:14
[syzbot] Monthly udf report (Dec 2024) 0 (1) 2024/12/19 18:40
[syzbot] Monthly udf report (Nov 2024) 0 (1) 2024/11/18 10:47
[syzbot] Monthly udf report (Sep 2024) 0 (1) 2024/09/16 12:28
[syzbot] Monthly udf report (Aug 2024) 0 (1) 2024/08/16 09:47
[syzbot] Monthly udf report (Jul 2024) 0 (1) 2024/07/16 07:38
[syzbot] Monthly udf report (Jun 2024) 0 (1) 2024/06/15 17:49
[syzbot] Monthly udf report (May 2024) 0 (1) 2024/05/14 20:49
[syzbot] Monthly udf report (Apr 2024) 0 (1) 2024/04/13 14:40
[syzbot] Monthly udf report (Mar 2024) 0 (1) 2024/03/13 13:48
[syzbot] Monthly udf report (Feb 2024) 0 (1) 2024/02/12 10:25
[syzbot] Monthly udf report (Jan 2024) 0 (1) 2024/01/10 20:36
[syzbot] Monthly udf report (Dec 2023) 0 (1) 2023/12/11 09:40
[syzbot] Monthly udf report (Nov 2023) 0 (1) 2023/11/09 18:23
[syzbot] Monthly udf report (Oct 2023) 0 (1) 2023/10/09 09:23
[syzbot] Monthly udf report (Sep 2023) 0 (1) 2023/09/08 14:11
[syzbot] Monthly udf report (Jul 2023) 0 (1) 2023/07/07 12:42
[syzbot] [udf?] WARNING in udf_setsize (2) 0 (3) 2023/06/21 16:59
▶ ▼ Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in udf_setsize origin:upstream C error 4 16d 706d 0/3 upstream: reported C repro on 2023/04/22 09:32
upstream WARNING in udf_setsize udf C done 24 662d 832d 22/28 fixed on 2023/06/08 14:41
linux-6.1 WARNING in udf_setsize origin:upstream C error 5 119d 558d 0/3 upstream: reported C repro on 2023/09/16 17:41
linux-4.14 WARNING in udf_setsize C 1 767d 767d 0/1 upstream: reported C repro on 2023/02/20 06:04
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2025/03/12 03:49 23m retest repro upstream report log
2025/03/12 03:43 16m retest repro upstream report log
2025/02/15 19:28 19m retest repro upstream report log
2025/02/01 16:16 15m retest repro upstream report log
2025/01/18 14:30 18m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2024/12/30 01:22 25m retest repro upstream report log
2024/12/30 01:22 17m retest repro upstream report log
2024/12/07 17:28 16m retest repro upstream report log
2024/11/23 16:16 29m retest repro upstream report log
2024/11/08 22:57 16m retest repro upstream report log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5829 at fs/udf/inode.c:677 udf_extend_file fs/udf/inode.c:676 [inline]
WARNING: CPU: 1 PID: 5829 at fs/udf/inode.c:677 udf_setsize+0x1058/0x1490 fs/udf/inode.c:1292
Modules linked in:
CPU: 1 UID: 0 PID: 5829 Comm: syz-executor301 Not tainted 6.14.0-syzkaller-01103-g2df0c02dab82 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:udf_extend_file fs/udf/inode.c:676 [inline]
RIP: 0010:udf_setsize+0x1058/0x1490 fs/udf/inode.c:1292
Code: 41 5e 41 5f 5d e9 33 93 bd fd e8 f3 b4 70 fe 41 89 dc 48 8d 9c 24 a0 00 00 00 4c 8b 6c 24 48 e9 fc fd ff ff e8 d9 b4 70 fe 90 <0f> 0b 90 e9 0d f6 ff ff 44 89 e9 80 e1 07 38 c1 0f 8c 65 f0 ff ff
RSP: 0018:ffffc90003c87a20 EFLAGS: 00010293
RAX: ffffffff8352adf7 RBX: 0000000000000400 RCX: ffff88802f2fbc00
RDX: 0000000000000000 RSI: 0000000000001000 RDI: 0000000000000400
RBP: ffffc90003c87bf0 R08: ffffffff8352a3ff R09: 1ffff1100f3c50ef
R10: dffffc0000000000 R11: ffffed100f3c50f0 R12: 0000000000000001
R13: 0000000000000001 R14: 000000000000000a R15: 0000000000001000
FS:  00007fb1397f86c0(0000) GS:ffff888125324000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb1397f8d58 CR3: 000000007a2f6000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 udf_setattr+0x3c7/0x5d0 fs/udf/file.c:236
 notify_change+0xbcc/0xe90 fs/attr.c:552
 do_truncate+0x222/0x310 fs/open.c:65
 do_ftruncate+0x4b8/0x5a0 fs/open.c:192
 do_sys_ftruncate fs/open.c:207 [inline]
 __do_sys_ftruncate fs/open.c:212 [inline]
 __se_sys_ftruncate fs/open.c:210 [inline]
 __x64_sys_ftruncate+0x93/0xf0 fs/open.c:210
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb1398624c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb1397f8218 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007fb1398ea618 RCX: 00007fb1398624c9
RDX: 00007fb1398624c9 RSI: 0000000000000001 RDI: 0000000000000004
RBP: 00007fb1398ea610 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb1398b6d34
R13: 0000200000000080 R14: 00002000000004c0 R15: 0000200000000000
 </TASK>

Crashes (35):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/03/26 17:47 upstream 2df0c02dab82 89d30d73 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in udf_setsize
2025/01/04 14:17 upstream 63676eefb7a0 f3558dbf .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-badwrites-root WARNING in udf_setsize
2024/12/16 01:08 upstream 2d8308bf5b67 7cbfbb3a .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-badwrites-root WARNING in udf_setsize
2024/05/23 07:29 upstream 8f6a15f095a6 4d098039 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in udf_setsize
2024/04/27 09:36 upstream 5eb4573ea63d 07b455f9 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in udf_setsize
2024/01/26 21:19 upstream ecb1b8288dc7 cc4a4020 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in udf_setsize
2024/01/21 08:14 upstream 125514880ddd 9bd8dcda .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root WARNING in udf_setsize
2025/03/22 02:54 upstream d07de43e3f05 c6512ef7 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root WARNING in udf_setsize
2024/03/10 08:53 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 707081b61156 6ee49f2e .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in udf_setsize
2023/11/14 21:50 upstream 9bacdd8996c7 cb976f63 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in udf_setsize
2023/11/05 20:03 upstream 1c41041124bd 500bfdc4 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in udf_setsize
2023/06/21 01:06 upstream 99ec1ed7c2ed 79782afc .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in udf_setsize
2023/09/01 11:18 linux-next a47fc304d2b6 696ea0d2 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in udf_setsize
2023/11/19 13:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c cb976f63 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in udf_setsize
2024/05/14 20:15 upstream a5131c3fdf26 fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2024/02/16 03:26 upstream 4f5e5092fdbf fd39cf6f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2024/01/01 00:17 upstream 2639772a11c8 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2023/12/15 19:59 upstream 3f7168591ebf 3222d10c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2023/12/13 08:40 upstream eaadbbaaff74 ebcad15c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2023/12/10 07:16 upstream b10a3ccaf6e3 28b24332 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2023/12/03 14:31 upstream 1b8af6552cb7 f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in udf_setsize
2023/11/01 14:37 upstream 89ed67ef126c 69904c9f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in udf_setsize
2023/11/01 14:28 upstream 89ed67ef126c 69904c9f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2023/10/08 15:38 upstream b9ddbb0cde2a 5e837c76 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2023/10/06 10:03 upstream f291209eca5e db17ad9f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in udf_setsize
2023/10/03 11:36 upstream ce36c8b14987 65faba36 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2023/09/01 12:27 upstream 99d99825fc07 696ea0d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2023/10/19 01:31 upstream dd72f9c7e512 342b9c55 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in udf_setsize
2023/06/28 15:08 upstream b19edac5992d 4cd5bb25 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2023/06/26 01:44 upstream 547cc9be86f4 79782afc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2023/06/08 18:08 upstream 5f63595ebd82 058b3a5a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2025/02/26 02:34 linux-next e5d3fd687aac d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in udf_setsize
2025/02/24 04:36 linux-next e5d3fd687aac d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in udf_setsize
2024/07/08 04:33 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8a03d70c27fc bc4ebbb5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in udf_setsize
2024/03/31 04:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 707081b61156 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in udf_setsize
* Struck through repros no longer work on HEAD.