syzbot


linux-6.1.y test error: WARNING: suspicious RCU usage in corrupted

Status: auto-obsoleted due to no activity on 2024/10/03 22:38
Reported-by: syzbot+6b71c9c531a46ac927c4@syzkaller.appspotmail.com
First crash: 164d, last: 163d

Sample crash report:
=============================
WARNING: suspicious RCU usage
6.1.95-syzkaller #0 Not tainted
-----------------------------
net/netfilter/ipset/ip_set_core.c:1202 suspicious rcu_dereference_protected() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
3 locks held by kworker/u4:3/51:
 #0: ffff888012616938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
 #1: ffffc90000bc7d20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
 #2: ffffffff8e28d9d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf1/0xb60 net/core/net_namespace.c:566

stack backtrace:
CPU: 0 PID: 51 Comm: kworker/u4:3 Not tainted 6.1.95-syzkaller #0

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/25 22:37 linux-6.1.y a6398e373090 dec8bc94 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan linux-6.1.y test error: WARNING: suspicious RCU usage in corrupted
2024/06/25 09:52 linux-6.1.y a6398e373090 04bd2a30 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf linux-6.1.y test error: WARNING: suspicious RCU usage in corrupted
2024/06/25 10:30 linux-6.1.y a6398e373090 04bd2a30 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 linux-6.1.y test error: WARNING: suspicious RCU usage in corrupted
* Struck through repros no longer work on HEAD.