[syzbot] [bpf?] [trace?] KASAN: slab-use-after-free Read in bpf_trace_run4 (2)

From: Qing Wang

Date: Thu Mar 19 2026 - 22:41:59 EST


There was a fix patch [1] for this issue, and it is the same as syz-AI's
analysis.
[1] https://lore.kernel.org/all/20260304092345.233522-1-wangqing7171@xxxxxxxxx/T/

Some similar issues which have syz reproducer:
https://syzkaller.appspot.com/bug?extid=9ea7c90be2b24e189592
https://syzkaller.appspot.com/bug?extid=b4c5ad098c821bf8d8bc

Welcome to review and comment this patch.
--
Qing