syzbot


kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path

Status: closed as invalid on 2022/08/02 14:47
Reported-by: syzbot+@syzkaller.appspotmail.com
First crash: 49d, last: 13d

Sample crash report:
BUG: KMSAN: uninit-value in tomoyo_realpath_from_path+0x4e5/0xaf0 security/tomoyo/realpath.c:286
 tomoyo_realpath_from_path+0x4e5/0xaf0 security/tomoyo/realpath.c:286
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0x27d/0xb40 security/tomoyo/file.c:822
 tomoyo_inode_getattr+0x30/0x40 security/tomoyo/tomoyo.c:122
 security_inode_getattr+0x121/0x1f0 security/security.c:1344
 vfs_getattr fs/stat.c:157 [inline]
 vfs_statx+0x19d/0x5d0 fs/stat.c:232
 vfs_fstatat fs/stat.c:255 [inline]
 __do_sys_newfstatat fs/stat.c:425 [inline]
 __se_sys_newfstatat+0xd0/0x940 fs/stat.c:419
 __x64_sys_newfstatat+0xb9/0x110 fs/stat.c:419
 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+0x63/0xcd

Local variable mmap_event created at:
 perf_event_mmap+0x54/0x29c0 kernel/events/core.c:8537
 mmap_region+0x19fe/0x34d0 mm/mmap.c:1863

CPU: 1 PID: 2840 Comm: xargs Not tainted 5.19.0-rc8-syzkaller-32495-g3ea9edba19ef #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
=====================================================

Crashes (30):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kmsan-gce 2022/08/02 12:21 https://github.com/google/kmsan.git master 3ea9edba19ef 1c9013ac .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce 2022/07/29 19:45 https://github.com/google/kmsan.git master 3ea9edba19ef fef302b1 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce 2022/07/29 19:45 https://github.com/google/kmsan.git master 3ea9edba19ef fef302b1 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce 2022/07/22 11:21 https://github.com/google/kmsan.git master 97117d69c353 22343af4 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce 2022/07/21 20:19 https://github.com/google/kmsan.git master 97117d69c353 5e6028b9 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce 2022/07/21 20:19 https://github.com/google/kmsan.git master 97117d69c353 5e6028b9 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce 2022/07/21 20:19 https://github.com/google/kmsan.git master 97117d69c353 5e6028b9 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce 2022/07/02 01:47 https://github.com/google/kmsan.git master 97117d69c353 1434eec0 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce 2022/06/30 17:57 https://github.com/google/kmsan.git master b3e6d59bab08 1434eec0 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce 2022/06/27 17:31 https://github.com/google/kmsan.git master d60755a5e2cb ef82eb2c .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce 2022/06/27 17:31 https://github.com/google/kmsan.git master d60755a5e2cb ef82eb2c .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce 2022/06/27 17:31 https://github.com/google/kmsan.git master d60755a5e2cb ef82eb2c .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce 2022/06/27 16:42 https://github.com/google/kmsan.git master d60755a5e2cb a371c43c .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce 2022/06/27 16:42 https://github.com/google/kmsan.git master d60755a5e2cb a371c43c .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce-386 2022/07/29 20:02 https://github.com/google/kmsan.git master 3ea9edba19ef fef302b1 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce-386 2022/07/25 09:19 https://github.com/google/kmsan.git master 97117d69c353 664c519c .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce-386 2022/07/22 11:03 https://github.com/google/kmsan.git master 97117d69c353 22343af4 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce-386 2022/07/22 11:03 https://github.com/google/kmsan.git master 97117d69c353 22343af4 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce-386 2022/07/21 20:37 https://github.com/google/kmsan.git master 97117d69c353 5e6028b9 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce-386 2022/07/21 20:37 https://github.com/google/kmsan.git master 97117d69c353 5e6028b9 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce-386 2022/07/04 12:39 https://github.com/google/kmsan.git master 97117d69c353 bff65f44 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce-386 2022/07/01 14:24 https://github.com/google/kmsan.git master 97117d69c353 1434eec0 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce-386 2022/07/01 14:24 https://github.com/google/kmsan.git master 97117d69c353 1434eec0 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce-386 2022/06/30 19:40 https://github.com/google/kmsan.git master ef4d99f50920 1434eec0 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce-386 2022/06/30 19:40 https://github.com/google/kmsan.git master ef4d99f50920 1434eec0 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce-386 2022/06/30 17:38 https://github.com/google/kmsan.git master b3e6d59bab08 1434eec0 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce-386 2022/06/30 17:38 https://github.com/google/kmsan.git master b3e6d59bab08 1434eec0 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce-386 2022/06/30 17:38 https://github.com/google/kmsan.git master b3e6d59bab08 1434eec0 .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce-386 2022/06/28 12:26 https://github.com/google/kmsan.git master ec1cbf8b060e ef82eb2c .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path
ci-upstream-kmsan-gce-386 2022/06/27 17:00 https://github.com/google/kmsan.git master d60755a5e2cb a371c43c .config log report kmsan boot error: KMSAN: uninit-value in tomoyo_realpath_from_path