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| author |   Jonathan Lemon <jonathan.lemon@gmail.com> | 2019-09-24 09:25:21 -0700 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2019-09-25 22:14:16 +0200 |
| commit | fcd30ae0665c778e283f73c1c885c7fd26d12ef2 (patch) | |
| tree | 2adc59ffd81cc960357f76910e7df660c9bb30f2 /tools | |
| parent | selftests/bpf: test_progs: fix client/server race in tcp_rtt (diff) | |
| download | linux-dev-fcd30ae0665c778e283f73c1c885c7fd26d12ef2.tar.xz linux-dev-fcd30ae0665c778e283f73c1c885c7fd26d12ef2.zip | |
bpf/xskmap: Return ERR_PTR for failure case instead of NULL.
When kzalloc() failed, NULL was returned to the caller, which
tested the pointer with IS_ERR(), which didn't match, so the
pointer was used later, resulting in a NULL dereference.
Return ERR_PTR(-ENOMEM) instead of NULL.
Reported-by: syzbot+491c1b7565ba9069ecae@syzkaller.appspotmail.com
Fixes: 0402acd683c6 ("xsk: remove AF_XDP socket from map when the socket is released")
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Acked-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions