Messages in this thread | | | Date | Mon, 28 Dec 2020 14:54:01 -0800 (PST) | Subject | Re: [PATCH -net] net: sched: prevent invalid Scell_log shift count | From | David Miller <> |
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From: Randy Dunlap <rdunlap@infradead.org> Date: Thu, 24 Dec 2020 22:23:44 -0800
> Check Scell_log shift size in red_check_params() and modify all callers > of red_check_params() to pass Scell_log. > > This prevents a shift out-of-bounds as detected by UBSAN: > UBSAN: shift-out-of-bounds in ./include/net/red.h:252:22 > shift exponent 72 is too large for 32-bit type 'int' > > Fixes: 8afa10cbe281 ("net_sched: red: Avoid illegal values") > Signed-off-by: Randy Dunlap <rdunlap@infradead.org> > Reported-by: syzbot+97c5bd9cc81eca63d36e@syzkaller.appspotmail.com
Applied and queued up for -stable, thanks.
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