Displaying 4 results from an estimated 4 matches for "thlen".
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2020 Jun 05
0
[PATCH AUTOSEL 5.6 06/17] net: check untrusted gso_size at kernel entry
...2f82680761d8fb6b1bb274a69d4c7010988 ]
Syzkaller again found a path to a kernel crash through bad gso input:
a packet with gso size exceeding len.
These packets are dropped in tcp_gso_segment and udp[46]_ufo_fragment.
But they may affect gso size calculations earlier in the path.
Now that we have thlen as of commit 9274124f023b ("net: stricter
validation of untrusted gso packets"), check gso_size at entry too.
Fixes: bfd5f4a3d605 ("packet: Add GSO/csum offload support.")
Reported-by: syzbot <syzkaller at googlegroups.com>
Signed-off-by: Willem de Bruijn <willemb at g...
2020 Jun 05
0
[PATCH AUTOSEL 5.4 05/14] net: check untrusted gso_size at kernel entry
...2f82680761d8fb6b1bb274a69d4c7010988 ]
Syzkaller again found a path to a kernel crash through bad gso input:
a packet with gso size exceeding len.
These packets are dropped in tcp_gso_segment and udp[46]_ufo_fragment.
But they may affect gso size calculations earlier in the path.
Now that we have thlen as of commit 9274124f023b ("net: stricter
validation of untrusted gso packets"), check gso_size at entry too.
Fixes: bfd5f4a3d605 ("packet: Add GSO/csum offload support.")
Reported-by: syzbot <syzkaller at googlegroups.com>
Signed-off-by: Willem de Bruijn <willemb at g...
2020 Jun 05
0
[PATCH AUTOSEL 4.19 4/9] net: check untrusted gso_size at kernel entry
...2f82680761d8fb6b1bb274a69d4c7010988 ]
Syzkaller again found a path to a kernel crash through bad gso input:
a packet with gso size exceeding len.
These packets are dropped in tcp_gso_segment and udp[46]_ufo_fragment.
But they may affect gso size calculations earlier in the path.
Now that we have thlen as of commit 9274124f023b ("net: stricter
validation of untrusted gso packets"), check gso_size at entry too.
Fixes: bfd5f4a3d605 ("packet: Add GSO/csum offload support.")
Reported-by: syzbot <syzkaller at googlegroups.com>
Signed-off-by: Willem de Bruijn <willemb at g...
2020 Jun 05
0
[PATCH AUTOSEL 4.14 3/8] net: check untrusted gso_size at kernel entry
...2f82680761d8fb6b1bb274a69d4c7010988 ]
Syzkaller again found a path to a kernel crash through bad gso input:
a packet with gso size exceeding len.
These packets are dropped in tcp_gso_segment and udp[46]_ufo_fragment.
But they may affect gso size calculations earlier in the path.
Now that we have thlen as of commit 9274124f023b ("net: stricter
validation of untrusted gso packets"), check gso_size at entry too.
Fixes: bfd5f4a3d605 ("packet: Add GSO/csum offload support.")
Reported-by: syzbot <syzkaller at googlegroups.com>
Signed-off-by: Willem de Bruijn <willemb at g...