kernel panic: stack is corrupted in perf_prepare

kernel panic: stack is corrupted in perf_prepare_sample

Status: closed as dup on 2019/01/06 13:27
Subsystems: perf
[Documentation on labels]
Reported-by: syzbot+649f13ff4ae2bb472ee8@syzkaller.appspotmail.com
First crash: 2501d, last: 2501d

▶ ▼ Duplicate of

Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported
kernel panic: stack is corrupted in udp4_lib_lookup2 net	2				11	2506d	2502d

Sample crash report:

Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: perf_prepare_sample+0x14cd/0x16b0 kernel/events/core.c:6490
CPU: 0 PID: 9900 Comm: syz-executor5 Not tainted 4.20.0+ #9
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2019/01/04 15:00	upstream	96d4f267e40f	0127e3ba	.config	console log	report					ci-upstream-kasan-gce-selinux-root

* ~~Struck through~~ repros no longer work on HEAD.