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(parent: 9354544) | patch
net/packet: fix memory leak in packet_set_ring()
authorEric Dumazet <edumazet@google.com>
Mon, 24 Jun 2019 09:38:20 +0000 (02:38 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 24 Jun 2019 14:57:59 +0000 (07:57 -0700)
commit55655e3d1197fff16a7a05088fb0e5eba50eac55
tree38288bcb9ab2cfdfb597a9872e82ba3bf9dddb44tree | snapshot
parent9354544cbccf68da1b047f8fb7b47630e3c8a59dcommit | diff
net/packet: fix memory leak in packet_set_ring()

syzbot found we can leak memory in packet_set_ring(), if user application
provides buggy parameters.

Fixes: 7f953ab2ba46 ("af_packet: TX_RING support for TPACKET_V3")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/packet/af_packet.c diff | blob | history
Domain: System / Kernel;