syzbot


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: 45d, last: 1d14h
Discussions (2)
Title Replies (including bot) Last reply
[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:lts-only C done 31 1d22h 275d 0/3 upstream: reported C repro on 2023/08/20 05:08
linux-4.14 WARNING in __udf_add_aext udf C 3 445d 823d 0/1 upstream: reported C repro on 2022/02/18 06:47
linux-4.19 WARNING in __udf_add_aext udf C error 20 457d 857d 0/1 upstream: reported C repro on 2022/01/14 21:09
upstream WARNING in __udf_add_aext udf C error 170 351d 589d 22/26 fixed on 2023/06/08 14:41
upstream WARNING in __udf_add_aext (2) udf syz error done 6 162d 343d 26/26 fixed on 2024/01/30 15:47
linux-6.1 WARNING in __udf_add_aext origin:lts-only C done 28 2d17h 225d 0/3 upstream: reported C repro on 2023/10/08 20:16

Sample crash report:
UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000)
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5086 at fs/udf/inode.c:2053 __udf_add_aext+0x555/0x700 fs/udf/inode.c:2052
Modules linked in:
CPU: 1 PID: 5086 Comm: syz-executor356 Not tainted 6.9.0-rc2-next-20240405-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__udf_add_aext+0x555/0x700 fs/udf/inode.c:2052
Code: b4 dc fe 49 8b 3c 24 4c 89 fe e8 86 27 ff fe 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 6c a5 77 fe 90 <0f> 0b 90 e9 e7 fb ff ff e8 5e a5 77 fe 90 0f 0b 90 e9 54 fc ff ff
RSP: 0018:ffffc9000350efb8 EFLAGS: 00010293
RAX: ffffffff831de844 RBX: 1ffff920006a1ec1 RCX: ffff888026e99e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000001e0
RBP: 00000000000001e0 R08: ffffffff831de426 R09: ffffffff831de356
R10: 0000000000000002 R11: ffff888026e99e00 R12: ffffc9000350f600
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc9000350f608
FS:  000055558b967380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055cc70f0db50 CR3: 0000000011250000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_setup_indirect_aext+0x792/0xa50 fs/udf/inode.c:2018
 udf_add_aext fs/udf/inode.c:2105 [inline]
 udf_do_extend_file+0x6f8/0x11e0 fs/udf/inode.c:576
 inode_getblk fs/udf/inode.c:816 [inline]
 udf_map_block+0x18d1/0x5560 fs/udf/inode.c:444
 __udf_get_block+0x126/0x410 fs/udf/inode.c:458
 __block_write_begin_int+0x50c/0x1a70 fs/buffer.c:2105
 __block_write_begin fs/buffer.c:2154 [inline]
 block_write_begin+0x9b/0x1e0 fs/buffer.c:2213
 udf_write_begin+0x10d/0x1a0 fs/udf/inode.c:261
 generic_perform_write+0x322/0x640 mm/filemap.c:4009
 udf_file_write_iter+0x2fd/0x660 fs/udf/file.c:111
 call_write_iter include/linux/fs.h:2106 [inline]
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa72/0xc90 fs/read_write.c:590
 ksys_pwrite64 fs/read_write.c:705 [inline]
 __do_sys_pwrite64 fs/read_write.c:715 [inline]
 __se_sys_pwrite64 fs/read_write.c:712 [inline]
 __x64_sys_pwrite64+0x1aa/0x230 fs/read_write.c:712
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x72/0x7a
RIP: 0033:0x7fc0f1893a79
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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:00007ffc1a02dcd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 6573726168636f69 RCX: 00007fc0f1893a79
RDX: 0000000000000001 RSI: 0000000020000300 RDI: 0000000000000004
RBP: 00007fc0f1907610 R08: 00007ffc1a02dea8 R09: 00007ffc1a02dea8
R10: 0000010000000005 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc1a02de98 R14: 0000000000000001 R15: 0000000000000001
 </TASK>

Crashes (113):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2024/05/20 05:04 upstream 61307b7be41a c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in __udf_add_aext
2024/05/19 19:14 upstream 0450d2083be6 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in __udf_add_aext
2024/05/19 05:24 upstream 4b377b4868ef c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __udf_add_aext
2024/05/19 02:16 upstream 4b377b4868ef c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __udf_add_aext
2024/05/14 18:14 upstream a5131c3fdf26 fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __udf_add_aext
2024/05/14 05:20 upstream cd97950cbcab fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __udf_add_aext
2024/05/13 14:50 upstream a38297e3fb01 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in __udf_add_aext
2024/05/13 13:23 upstream a38297e3fb01 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in __udf_add_aext
2024/05/12 05:25 upstream cf87f46fd34d 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in __udf_add_aext
2024/05/12 00:21 upstream cf87f46fd34d 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in __udf_add_aext
2024/05/10 00:56 upstream 45db3ab70092 de979bc2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __udf_add_aext
2024/05/08 11:25 upstream dccb07f2914c 4cf3f9b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in __udf_add_aext
2024/05/08 07:18 upstream dccb07f2914c 4cf3f9b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in __udf_add_aext
2024/05/05 13:24 upstream 7367539ad4b0 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __udf_add_aext
2024/05/05 01:10 upstream 7367539ad4b0 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __udf_add_aext
2024/05/04 05:18 upstream 3d25a941ea50 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in __udf_add_aext
2024/04/30 12:01 upstream 98369dccd2f8 27e33c58 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __udf_add_aext
2024/04/29 14:37 upstream e67572cd2204 27e33c58 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in __udf_add_aext
2024/04/28 18:37 upstream 2c8159388952 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in __udf_add_aext
2024/04/27 10:26 upstream 5eb4573ea63d 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __udf_add_aext
2024/04/26 07:35 upstream e33c4963bf53 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __udf_add_aext
2024/04/25 15:32 upstream e88c4cfcb7b8 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __udf_add_aext
2024/04/24 07:01 upstream 9d1ddab261f3 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __udf_add_aext
2024/04/22 17:13 upstream ed30a4a51bb1 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in __udf_add_aext
2024/04/22 15:53 upstream ed30a4a51bb1 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in __udf_add_aext
2024/04/22 13:58 upstream ed30a4a51bb1 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __udf_add_aext
2024/04/22 13:57 upstream ed30a4a51bb1 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in __udf_add_aext
2024/04/22 04:19 upstream 48cf398f15fc af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in __udf_add_aext
2024/04/22 04:17 upstream 3b68086599f8 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in __udf_add_aext
2024/04/22 04:16 upstream 48cf398f15fc af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in __udf_add_aext
2024/04/22 04:13 upstream 48cf398f15fc af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __udf_add_aext
2024/05/10 00:52 upstream 45db3ab70092 de979bc2 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __udf_add_aext
2024/05/08 05:00 upstream dccb07f2914c 4cf3f9b3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __udf_add_aext
2024/05/06 13:41 upstream dd5a440a31fa d884b519 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __udf_add_aext
2024/05/04 21:32 upstream 7367539ad4b0 610f2a54 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __udf_add_aext
2024/05/01 16:18 upstream 18daea77cca6 3ba885bc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __udf_add_aext
2024/04/27 19:17 upstream 5eb4573ea63d 07b455f9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __udf_add_aext
2024/04/25 07:34 upstream e88c4cfcb7b8 8bdc0f22 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __udf_add_aext
2024/04/24 12:14 upstream 9d1ddab261f3 21339d7b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __udf_add_aext
2024/04/22 14:07 upstream ed30a4a51bb1 36c961ad .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __udf_add_aext
2024/04/22 04:18 upstream 48cf398f15fc af24b050 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __udf_add_aext
2024/05/19 02:16 linux-next c75962170e49 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in __udf_add_aext
2024/05/14 22:33 linux-next 26dd54d03cd9 fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in __udf_add_aext
2024/05/13 06:40 linux-next 75fa778d74b7 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in __udf_add_aext
2024/05/12 12:20 linux-next 75fa778d74b7 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in __udf_add_aext
2024/05/06 06:41 linux-next 9221b2819b8a 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in __udf_add_aext
2024/04/28 18:43 linux-next bb7a2467e6be 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in __udf_add_aext
2024/04/24 09:16 linux-next 7b4f2bc91c15 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in __udf_add_aext
2024/04/22 13:56 linux-next 7b4f2bc91c15 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in __udf_add_aext
2024/04/22 04:16 linux-next 7b4f2bc91c15 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in __udf_add_aext
2024/04/27 04:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 6a71d2909427 07b455f9 .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.