We use syzkaller to fuzz the linux kernel, and this bug is triggered during fuzzing. However, unfortunately, syzkaller did not generate reproducing source codes. On Tue, Aug 27, 2024 at 12:50 PM Joel Granados <j.granados@xxxxxxxxxxx> wrote: > > On Sat, Aug 24, 2024 at 10:04:54PM -0700, Xingyu Li wrote: > > Hi, > > > > We found a bug in Linux 6.10. It is probably a null pointer reference bug. > > The reason is probably that before line 123 of > > fs/proc/proc_sysctl.c(entry = &head->ctl_table[ctl_node - > > head->node];), there is no null pointer check for `head`. > > The bug report is as follow: > > Thx for the report. How did you trigger it. Do you have code that > triggers it? > > Best > > -- > > Joel Granados -- Yours sincerely, Xingyu