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authorKees Cook <keescook@chromium.org>2014-04-16 21:54:34 +0400
committerDavid S. Miller <davem@davemloft.net>2014-04-16 23:25:53 +0400
commit0acf07d240a84069c4a6651e6030cf35d30c7159 (patch)
tree6a3fea10ea8fc9d17f402e5e0f68ee2cda1de21f /net/8021q
parentb7a314054eb55e3745a9409beaa5d8be5cd2d273 (diff)
downloadlinux-0acf07d240a84069c4a6651e6030cf35d30c7159.tar.xz
seccomp: fix memory leak on filter attach
This sets the correct error code when final filter memory is unavailable, and frees the raw filter no matter what. unreferenced object 0xffff8800d6ea4000 (size 512): comm "sshd", pid 278, jiffies 4294898315 (age 46.653s) hex dump (first 32 bytes): 21 00 00 00 04 00 00 00 15 00 01 00 3e 00 00 c0 !...........>... 06 00 00 00 00 00 00 00 21 00 00 00 00 00 00 00 ........!....... backtrace: [<ffffffff8151414e>] kmemleak_alloc+0x4e/0xb0 [<ffffffff811a3a40>] __kmalloc+0x280/0x320 [<ffffffff8110842e>] prctl_set_seccomp+0x11e/0x3b0 [<ffffffff8107bb6b>] SyS_prctl+0x3bb/0x4a0 [<ffffffff8152ef2d>] system_call_fastpath+0x1a/0x1f [<ffffffffffffffff>] 0xffffffffffffffff Reported-by: Masami Ichikawa <masami256@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Tested-by: Masami Ichikawa <masami256@gmail.com> Acked-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/8021q')
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