syzbot


KASAN: invalid-free in p9_client_create (2)
Status: fixed on 2021/03/10 01:48
Reported-by: syzbot+d0bd96b4696c1ef67991@syzkaller.appspotmail.com
Fix commit: 757fed1d0898 Revert "mm/slub: fix a memory leak in sysfs_slab_add()"
First crash: 319d, last: 315d

Cause bisection: introduced by (bisect log) :
commit dde3c6b72a16c2db826f54b2d49bdea26c3534a2
Author: Wang Hai <wanghai38@huawei.com>
Date: Wed Jun 3 22:56:21 2020 +0000

  mm/slub: fix a memory leak in sysfs_slab_add()

Crash: KASAN: invalid-free in create_cache (log)
Repro: C syz .config
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: invalid-free in p9_client_create 1 388d 387d 0/22 auto-closed as invalid on 2021/01/14 05:11

Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/01/23 16:01 upstream fe75a21824e7 52e37319 .config log report syz C KASAN: invalid-free in p9_client_create
ci-upstream-kasan-gce-root 2021/01/23 14:22 upstream fe75a21824e7 52e37319 .config log report info KASAN: invalid-free in p9_client_create
ci-qemu-upstream-386 2021/01/27 14:50 upstream 2ab38c17aac1 a0ebf917 .config log report info KASAN: invalid-free in p9_client_create