syzbot

 sign-in | mailing list | source | docs
🐞 Open [1033] ≡ Subsystems 🐞 Fixed [5263] 🐞 Invalid [12580] ⬇ Missing Backports [85] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 Send us feedback

KMSAN: uninit-value in udf_update_tag

Status: upstream: reported C repro on 2023/12/28 10:34
Subsystems: udf
[Documentation on labels]
Reported-by: syzbot+d31185aa54170f7fc1f5@syzkaller.appspotmail.com
First crash: 184d, last: 6h29m
▶ ▼ Discussions (5)
Title Replies (including bot) Last reply
[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] [udf?] KMSAN: uninit-value in udf_update_tag 0 (1) 2023/12/28 10:34

Sample crash report:
UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000)
=====================================================
BUG: KMSAN: uninit-value in crc_itu_t_byte include/linux/crc-itu-t.h:22 [inline]
BUG: KMSAN: uninit-value in crc_itu_t+0x287/0x2e0 lib/crc-itu-t.c:60
 crc_itu_t_byte include/linux/crc-itu-t.h:22 [inline]
 crc_itu_t+0x287/0x2e0 lib/crc-itu-t.c:60
 udf_update_tag+0x5c/0x2a0 fs/udf/misc.c:261
 udf_rename+0x1202/0x16d0 fs/udf/namei.c:879
 vfs_rename+0x1d9a/0x2280 fs/namei.c:4880
 do_renameat2+0x18cc/0x1d50 fs/namei.c:5037
 __do_sys_renameat2 fs/namei.c:5071 [inline]
 __se_sys_renameat2 fs/namei.c:5068 [inline]
 __x64_sys_renameat2+0x153/0x200 fs/namei.c:5068
 do_syscall_64+0xd5/0x1f0
 entry_SYSCALL_64_after_hwframe+0x72/0x7a

Local variable diriter created at:
 udf_rename+0xbe/0x16d0 fs/udf/namei.c:767
 vfs_rename+0x1d9a/0x2280 fs/namei.c:4880

CPU: 1 PID: 5016 Comm: syz-executor404 Not tainted 6.9.0-rc2-syzkaller-00207-ge8b0ccb2a787 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
=====================================================

Crashes (533):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/06 20:15 upstream e8b0ccb2a787 ca620dd8 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2023/12/25 19:01 upstream 861deac3b092 fb427a07 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/05/05 04:02 upstream 7367539ad4b0 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/05/05 00:49 upstream 7367539ad4b0 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/05/04 21:18 upstream 7367539ad4b0 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/05/04 18:54 upstream 7367539ad4b0 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/05/04 06:32 upstream 3d25a941ea50 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/05/03 15:57 upstream f03359bca01b 375d4445 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/05/03 03:50 upstream 49a73b1652c5 ddfc15a1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/05/03 01:51 upstream 49a73b1652c5 ddfc15a1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/05/02 14:31 upstream 0106679839f7 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/05/01 19:21 upstream 18daea77cca6 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/05/01 17:14 upstream 18daea77cca6 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/05/01 02:42 upstream 50dffbf77180 9e0e6af1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/05/01 00:43 upstream 50dffbf77180 9e0e6af1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/30 14:28 upstream 98369dccd2f8 27e33c58 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/30 07:21 upstream b947cc5bf6d7 27e33c58 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/30 02:02 upstream b947cc5bf6d7 27e33c58 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/30 00:32 upstream b947cc5bf6d7 27e33c58 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/28 18:09 upstream 2c8159388952 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/28 09:48 upstream 5d12ed4bea43 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/28 04:20 upstream 5d12ed4bea43 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/27 10:20 upstream 5eb4573ea63d 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/26 22:49 upstream c942a0cd3603 059e9963 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/26 02:22 upstream e33c4963bf53 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/25 08:18 upstream e88c4cfcb7b8 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/25 03:17 upstream e88c4cfcb7b8 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/23 20:55 upstream 71b1543c83d6 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/23 06:40 upstream 4d2008430ce8 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/22 13:24 upstream ed30a4a51bb1 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/21 08:48 upstream 977b1ef51866 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/21 04:14 upstream 977b1ef51866 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/20 15:49 upstream 13a2e429f644 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/04/20 02:46 upstream 3cdb45594619 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in udf_update_tag
2024/05/06 07:42 upstream b9158815de52 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root KMSAN: uninit-value in udf_update_tag
2024/05/06 04:06 upstream b9158815de52 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root KMSAN: uninit-value in udf_update_tag
2024/05/05 08:01 upstream 7367539ad4b0 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root KMSAN: uninit-value in udf_update_tag
2024/05/05 05:46 upstream 7367539ad4b0 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root KMSAN: uninit-value in udf_update_tag
2024/05/04 09:20 upstream 3d25a941ea50 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root KMSAN: uninit-value in udf_update_tag
2024/04/30 13:15 upstream 98369dccd2f8 27e33c58 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root KMSAN: uninit-value in udf_update_tag
2024/04/27 14:54 upstream 5eb4573ea63d 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root KMSAN: uninit-value in udf_update_tag
2024/04/26 09:36 upstream e33c4963bf53 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root KMSAN: uninit-value in udf_update_tag
2024/04/25 14:32 upstream e88c4cfcb7b8 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root KMSAN: uninit-value in udf_update_tag
2024/04/23 23:33 upstream 71b1543c83d6 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root KMSAN: uninit-value in udf_update_tag
2024/04/23 10:19 upstream 4d2008430ce8 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root KMSAN: uninit-value in udf_update_tag
2024/04/21 16:48 upstream 977b1ef51866 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root KMSAN: uninit-value in udf_update_tag
2023/12/16 10:25 upstream 3bd7d7488169 3222d10c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in udf_update_tag
* Struck through repros no longer work on HEAD.