net: prevent mss overflow in skb_segment()

[PATCH 5.10/5.15/6.1 0/1] net: prevent mss overflow in skb_segment()

Alexey Panov posted 1 patch 2 years ago

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[PATCH 5.10/5.15/6.1 0/1] net: prevent mss overflow in skb_segment()

Posted by Alexey Panov 2 years ago

Syzkaller reports NULL pointer dereference issue at skb_segment()
in 5.10/5.15/6.1 stable releases. The problem has been fixed by
the following patch which can be cleanly applied to 5.10/5.15/6.1 branches.

Found by Linux Verification Center (linuxtesting.org) with Syzkaller.