syzbot

 sign-in | mailing list | source | docs
🐞 Open [984] ≡ Subsystems 🐞 Fixed [5216] 🐞 Invalid [12476] ⬇ Missing Backports [82] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 Send us feedback

KMSAN: uninit-value in __page_symlink

Status: auto-closed as invalid on 2022/09/30 09:51
Subsystems: fs
[Documentation on labels]
First crash: 672d, last: 672d
▶ ▼ Last patch testing requests (1)
Created Duration User Patch Repo Result
2022/09/30 08:30 21m retest repro https://github.com/google/kmsan.git master OK log

Sample crash report:
=====================================================
BUG: KMSAN: uninit-value in __page_symlink+0x2c2/0x350 fs/namei.c:5025
 __page_symlink+0x2c2/0x350 fs/namei.c:5025
 page_symlink+0x70/0x90 fs/namei.c:5041
 ramfs_symlink+0x32c/0x650 fs/ramfs/inode.c:137
 vfs_symlink+0x41c/0x610 fs/namei.c:4297
 do_symlinkat+0x26c/0x930 fs/namei.c:4326
 __do_sys_symlink fs/namei.c:4348 [inline]
 __se_sys_symlink fs/namei.c:4346 [inline]
 __x64_sys_symlink+0xe0/0x130 fs/namei.c:4346
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

Local variable fsdata created at:
 __page_symlink+0x8c/0x350
 page_symlink+0x70/0x90 fs/namei.c:5041

CPU: 0 PID: 3480 Comm: syz-executor413 Not tainted 5.18.0-syzkaller-16263-g2d0ce79ea812 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
=====================================================

Crashes (200):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/06/17 17:33 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config strace log report syz C ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/18 02:58 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 15:24 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 15:02 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:53 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:51 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:49 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:47 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:47 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:46 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:45 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:44 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:42 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:37 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:37 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:37 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:35 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:33 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:32 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:28 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:24 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:22 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:20 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:19 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:17 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/17 13:17 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in __page_symlink
2022/06/18 01:54 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/18 00:33 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 23:06 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 21:46 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 18:42 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 18:37 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 17:34 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 16:50 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 15:42 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 14:27 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 13:49 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 13:48 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 13:47 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 13:44 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 13:43 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 13:42 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 13:34 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 13:32 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 13:28 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 13:26 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 13:19 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
2022/06/17 12:55 https://github.com/google/kmsan.git master 2d0ce79ea812 cb58b3b2 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in __page_symlink
* Struck through repros no longer work on HEAD.