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WARNING in __udf_add_aext (3)

Status: upstream: reported C repro on 2024/04/08 08:26
Subsystems: udf
[Documentation on labels]
Reported-by: syzbot+799a0e744ac47f928024@syzkaller.appspotmail.com
First crash: 355d, last: 6h41m
Cause bisection: failed (error log, bisect log)
  
▶ ▼ Discussions (12)
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 (Oct 2024) 0 (1) 2024/10/17 07:41
[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] [udf?] WARNING in __udf_add_aext (3) 0 (1) 2024/04/08 08:26
▶ ▼ Similar bugs (6)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in __udf_add_aext origin:upstream C done 100 6d22h 586d 0/3 upstream: reported C repro on 2023/08/20 05:08
linux-4.14 WARNING in __udf_add_aext udf C 3 756d 1134d 0/1 upstream: reported C repro on 2022/02/18 06:47
linux-4.19 WARNING in __udf_add_aext udf C error 20 767d 1168d 0/1 upstream: reported C repro on 2022/01/14 21:09
upstream WARNING in __udf_add_aext udf C error 170 662d 899d 22/28 fixed on 2023/06/08 14:41
upstream WARNING in __udf_add_aext (2) udf syz error done 6 473d 653d 25/28 fixed on 2024/01/30 15:47
linux-6.1 WARNING in __udf_add_aext origin:lts-only C done 99 13d 536d 0/3 upstream: reported C repro on 2023/10/08 20:16

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6353 at fs/udf/inode.c:2080 __udf_add_aext+0x555/0x700 fs/udf/inode.c:2079
Modules linked in:
CPU: 0 UID: 0 PID: 6353 Comm: syz-executor377 Not tainted 6.12.0-syzkaller-07834-g06afb0f36106 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__udf_add_aext+0x555/0x700 fs/udf/inode.c:2079
Code: e6 e5 fe 49 8b 3c 24 4c 89 fe e8 76 f6 0a ff 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 2c 51 7e fe 90 <0f> 0b 90 e9 e7 fb ff ff e8 1e 51 7e fe 90 0f 0b 90 e9 54 fc ff ff
RSP: 0018:ffffc9000519f278 EFLAGS: 00010293
RAX: ffffffff8316fbb4 RBX: 1ffff92000a33e9b RCX: ffff888035cb9e00
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8316f796 R09: ffffffff8316f6c6
R10: 0000000000000002 R11: ffff888035cb9e00 R12: ffffc9000519f4d0
R13: 0000000000000004 R14: dffffc0000000000 R15: ffffc9000519f4d8
FS:  00007f708f7876c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200bc000 CR3: 00000000777ae000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_add_aext fs/udf/inode.c:2137 [inline]
 udf_insert_aext fs/udf/inode.c:2316 [inline]
 udf_update_extents fs/udf/inode.c:1204 [inline]
 inode_getblk fs/udf/inode.c:918 [inline]
 udf_map_block+0x3e16/0x5340 fs/udf/inode.c:447
 __udf_get_block+0x126/0x410 fs/udf/inode.c:461
 __block_write_begin_int+0x50c/0x1a70 fs/buffer.c:2121
 block_write_begin+0x8f/0x120 fs/buffer.c:2231
 udf_write_begin+0x104/0x350 fs/udf/inode.c:256
 generic_perform_write+0x344/0x6d0 mm/filemap.c:4056
 udf_file_write_iter+0x2fc/0x660 fs/udf/file.c:111
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 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: 0033:0x7f708f7d0d89
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 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:00007f708f787218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f708f8596c8 RCX: 00007f708f7d0d89
RDX: 00000000fffffdef RSI: 00000000200000c0 RDI: 0000000000000004
RBP: 00007f708f8596c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f708f825d00
R13: 0031656c69662f2e R14: 0030656c69662f2e R15: 00000000fffffdef
 </TASK>

Crashes (1001):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/23 04:28 upstream 06afb0f36106 68da6d95 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in __udf_add_aext
2024/07/22 19:24 upstream 933069701c1b f063dfd9 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in __udf_add_aext
2024/07/22 18:46 upstream 933069701c1b f063dfd9 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in __udf_add_aext
2024/10/24 08:02 upstream c2ee9f594da8 15fa2979 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root WARNING in __udf_add_aext
2024/07/22 18:00 linux-next 41c196e567fb f063dfd9 .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_add_aext
2024/07/22 17:26 linux-next 41c196e567fb f063dfd9 .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_add_aext
2024/04/06 13:10 linux-next 8568bb2ccc27 ca620dd8 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in __udf_add_aext
2024/08/17 06:50 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5c43d43bad35 76120936 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in __udf_add_aext
2024/10/29 19:24 upstream e42b1a9a2557 66aeb999 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in __udf_add_aext
2024/08/17 00:07 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5c43d43bad35 76120936 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in __udf_add_aext
2025/03/01 02:17 upstream 76544811c850 1e7a43e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in __udf_add_aext
2025/02/11 20:40 upstream febbc555cf0f f2baddf5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in __udf_add_aext
2024/12/25 08:16 upstream 9b2ffa6148b1 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in __udf_add_aext
2024/06/24 14:20 upstream f2661062f16b edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in __udf_add_aext
2024/06/17 08:06 upstream 2ccbdf43d5e7 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __udf_add_aext
2025/03/28 00:41 upstream 1a9239bb4253 928390c4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/27 06:28 upstream f6e0150b2003 20510e88 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/26 19:09 upstream 1e26c5e28ca5 19e40f48 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/26 17:11 upstream 1e26c5e28ca5 19e40f48 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/25 08:54 upstream 2f2d52945852 875573af .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/25 00:21 upstream 38fec10eb60d 875573af .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/24 19:09 upstream 38fec10eb60d 875573af .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/24 06:43 upstream 586de92313fc 875573af .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/22 17:28 upstream 88d324e69ea9 c6512ef7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/22 13:03 upstream 88d324e69ea9 c6512ef7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/21 16:19 upstream b3ee1e460951 62330552 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/21 11:08 upstream b3ee1e460951 62330552 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/20 07:54 upstream a7f2e10ecd8f 62330552 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/20 02:28 upstream a7f2e10ecd8f 8d0a2921 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/19 20:32 upstream 81e4f8d68c66 8d0a2921 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/19 16:09 upstream 81e4f8d68c66 8d0a2921 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/19 13:06 upstream 81e4f8d68c66 8d0a2921 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/16 06:47 upstream eb88e6bfbc0a e2826670 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/15 23:19 upstream 3571e8b091f4 e2826670 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/15 07:04 upstream 83158b21ae9a e2826670 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/15 01:44 upstream 83158b21ae9a e2826670 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/14 16:22 upstream e3a854b577cb e2826670 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/14 13:16 upstream e3a854b577cb e2826670 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/14 06:57 upstream 4003c9e78778 e2826670 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/12 17:36 upstream 0fed89a961ea ee70e6db .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/12 09:26 upstream 0b46b049d6ec ee70e6db .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/11 08:10 upstream 4d872d51bc9d 16256247 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/09 11:37 upstream b7c90e3e717a 163f510d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/08 12:18 upstream 21e4543a2e2f 7e3bd60d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/08 08:52 upstream 21e4543a2e2f 7e3bd60d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/08 07:02 upstream 21e4543a2e2f 7e3bd60d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/08 05:23 upstream 21e4543a2e2f 7e3bd60d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/07 23:49 upstream 00a7d39898c8 7e3bd60d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/06 02:40 upstream cfced12f5100 034534df .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/03 13:04 upstream 7eb172143d55 c3901742 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/03 02:13 upstream 1973160c90d7 c3901742 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/02 03:49 upstream 03d38806a902 c3901742 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/03/02 02:38 upstream 03d38806a902 c3901742 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/02/28 16:27 upstream 76544811c850 1e7a43e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2025/02/28 11:03 upstream 1e15510b71c9 6a8fcbc4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __udf_add_aext
2024/06/25 03:06 upstream 626737a5791b c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __udf_add_aext
2025/02/23 14:41 linux-next e5d3fd687aac d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in __udf_add_aext
2025/03/23 13:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a2392f333575 4e8d3850 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in __udf_add_aext
2025/03/12 02:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 0ed841ede7ac f2eee6b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in __udf_add_aext
2025/03/02 01:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e056da87c780 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in __udf_add_aext
* Struck through repros no longer work on HEAD.