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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: 875d, last: 2h19m
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 (27)
Title Replies (including bot) Last reply
[syzbot] Monthly udf report (Oct 2025) 0 (1) 2025/10/27 12:50
[syzbot] Monthly udf report (Sep 2025) 0 (1) 2025/09/26 05:14
[syzbot] Monthly udf report (Aug 2025) 0 (1) 2025/08/26 07:14
[syzbot] Monthly udf report (Jul 2025) 0 (1) 2025/07/26 20:43
[syzbot] Monthly udf report (Jun 2025) 0 (1) 2025/06/24 13:54
[syzbot] Monthly udf report (May 2025) 0 (1) 2025/05/24 10:05
[syzbot] Monthly udf report (Apr 2025) 0 (1) 2025/04/23 07:50
[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 Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in udf_setsize origin:upstream -1 C error 6 12d 923d 0/3 upstream: reported C repro on 2023/04/22 09:32
upstream WARNING in udf_setsize udf -1 C done 24 878d 1049d 22/29 fixed on 2023/06/08 14:41
linux-6.1 WARNING in udf_setsize origin:upstream -1 C error 9 78d 775d 0/3 upstream: reported C repro on 2023/09/16 17:41
linux-4.14 WARNING in udf_setsize -1 C 1 984d 984d 0/1 upstream: reported C repro on 2023/02/20 06:04
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2025/04/09 18:04 15m retest repro upstream report log
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

Sample crash report:
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5849 at fs/udf/inode.c:677 udf_extend_file fs/udf/inode.c:676 [inline]
WARNING: CPU: 0 PID: 5849 at fs/udf/inode.c:677 udf_setsize+0xd4e/0x1000 fs/udf/inode.c:1293
Modules linked in:
CPU: 0 UID: 0 PID: 5849 Comm: syz-executor579 Not tainted 6.16.0-rc7-syzkaller-00142-gb711733e89a3 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:udf_extend_file fs/udf/inode.c:676 [inline]
RIP: 0010:udf_setsize+0xd4e/0x1000 fs/udf/inode.c:1293
Code: 44 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 40 9b 8e fe 45 89 f4 e9 49 fe ff ff e8 33 9b 8e fe 90 <0f> 0b 90 e9 00 f8 ff ff 44 89 e9 80 e1 07 38 c1 0f 8c 49 f3 ff ff
RSP: 0018:ffffc9000422fac0 EFLAGS: 00010293
RAX: ffffffff83318a8d RBX: ffff8880758507b8 RCX: ffff888027f48000
RDX: 0000000000000000 RSI: 0000000000000800 RDI: 0000000000000200
RBP: ffffc9000422fbe8 R08: ffff88807585077b R09: 1ffff1100eb0a0ef
R10: dffffc0000000000 R11: ffffed100eb0a0f0 R12: 0000000000000001
R13: 00000000000000d5 R14: 0000000000000200 R15: 0000000000000800
FS:  00005555851fb480(0000) GS:ffff888125c57000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001940 CR3: 00000000792a8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 udf_setattr+0x3a1/0x5a0 fs/udf/file.c:236
 notify_change+0xb36/0xe40 fs/attr.c:552
 do_truncate+0x1a4/0x220 fs/open.c:68
 do_ftruncate+0x489/0x540 fs/open.c:195
 do_sys_ftruncate fs/open.c:210 [inline]
 __do_sys_ftruncate fs/open.c:215 [inline]
 __se_sys_ftruncate fs/open.c:213 [inline]
 __x64_sys_ftruncate+0x92/0xf0 fs/open.c:213
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f927e91c1d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 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:00007ffe4c2c4358 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f927e91c1d9
RDX: ffffffffffffffb8 RSI: 00000000000000d5 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffe4c2c4390 R09: 00007ffe4c2c4390
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4c2c4390
R13: 00007ffe4c2c4618 R14: 431bde82d7b634db R15: 00007f927e96503b
 </TASK>

Crashes (116):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/28 03:33 upstream b711733e89a3 fb8f743d .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in udf_setsize
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
2025/05/19 16:04 upstream a5806cd506af 27f68995 .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
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
2025/08/13 07:15 linux-next 2674d1eadaa2 22ec1469 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-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
2025/10/03 00:16 upstream 7f7072574127 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in udf_setsize
2025/09/07 08:12 upstream b236920731dd d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2025/08/19 23:47 upstream b19a97d57c15 254a27c1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2025/07/17 20:10 upstream e2291551827f 0d1223f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2025/07/14 08:12 upstream 5d5d62298b8b 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in udf_setsize
2025/07/11 17:52 upstream bc9ff192a6c9 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2025/07/05 19:28 upstream a79a588fc176 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2025/07/05 15:12 upstream a79a588fc176 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2025/07/03 14:03 upstream b4911fb0b060 115ceea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2025/07/01 12:36 upstream 66701750d556 6e83b42d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2025/07/01 10:00 upstream 66701750d556 6e83b42d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2025/06/19 14:59 upstream fb4d33ab452e ed3e87f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2025/06/16 19:49 upstream e04c78d86a96 d1716036 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2025/06/04 17:06 upstream 5abc7438f1e9 e565f08d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2025/05/28 12:06 upstream 015a99fa7665 874a1386 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in udf_setsize
2025/05/25 20:12 upstream d0c22de9995b ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in udf_setsize
2025/05/25 05:02 upstream b1427432d3b6 ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2025/05/22 09:22 upstream d608703fcdd9 0919b50b .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
2023/10/06 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
2025/10/31 07:47 upstream d127176862a9 2c50b6a9 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/10/30 18:36 upstream e53642b87a4f 2c50b6a9 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/10/24 01:17 upstream ab431bc39741 c0460fcd .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/10/23 22:18 upstream ab431bc39741 c0460fcd .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/10/19 22:21 upstream d9043c79ba68 1c8c8cd8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/10/17 22:26 upstream 6f3b6e91f720 1c8c8cd8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/10/16 11:12 upstream 7ea30958b305 19568248 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/09/26 12:34 upstream 4ff71af020ae 0abd0691 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/09/12 23:59 upstream 22f20375f5b7 e2beed91 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/09/06 04:02 upstream c8ed9b5c02a5 d291dd2d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/09/01 06:12 upstream 5c3b3264e585 807a3b61 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/08/29 15:32 upstream 07d9df80082b 3e1beec6 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/08/14 23:23 upstream 0cc53520e68b dcc075fb .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/08/09 15:10 upstream c30a13538d9f 32a0e5ed .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/08/06 18:07 upstream 479058002c32 4bd24a3e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/07/26 00:01 upstream 2942242dde89 fb8f743d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/07/21 09:01 upstream 89be9a83ccf1 7117feec .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/07/17 22:22 upstream e2291551827f 0ea0ca3f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/07/16 05:06 upstream 155a3c003e55 03fcfc4b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/07/13 02:06 upstream 3f31a806a62e 3cda49cf .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/07/04 22:43 upstream c435a4f487e8 d869b261 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/07/01 22:09 upstream 66701750d556 a073c096 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/06/20 10:16 upstream 41687a5c6f8b ed3e87f7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/06/13 09:40 upstream 27605c8c0f69 98683f8f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/06/06 11:04 upstream e271ed52b344 3d899f2c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/06/03 16:05 upstream 546b1c9e93c2 a30356b7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/05/29 03:31 upstream feacb1774bd5 3d2f584d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in udf_setsize
2025/05/28 06:33 upstream c89756bcf406 874a1386 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root 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
2023/06/08 18:08 upstream 5f63595ebd82 058b3a5a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in udf_setsize
2025/09/27 16:38 linux-next 262858079afd 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in udf_setsize
2025/09/07 05:31 linux-next be5d4872e528 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in udf_setsize
2025/07/13 04:08 linux-next a62b7a37e6fc 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in udf_setsize
2025/06/06 16:20 linux-next 475c850a7fdd f61267d4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in udf_setsize
2025/10/18 18:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bf45a62baffc 1c8c8cd8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in udf_setsize
2025/09/21 23:28 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 506ba4ea4cf5 67c37560 .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.