]> git.baikalelectronics.ru Git - kernel.git/commit
bpf: reset id on CONST_IMM transition
authorDaniel Borkmann <daniel@iogearbox.net>
Sat, 10 Jun 2017 22:50:42 +0000 (00:50 +0200)
committerDavid S. Miller <davem@davemloft.net>
Sat, 10 Jun 2017 23:05:45 +0000 (19:05 -0400)
commited2c75a5d50648932c5ca7bb5bd7fd33a83cda79
tree85f6b87a60dcb4a9a6460e5dd5ee06a0704af187
parent86ec3c9297861e49f4cf9aafd88781478fa266f4
bpf: reset id on CONST_IMM transition

Whenever we set the register to the type CONST_IMM, we currently don't
reset the id to 0. id member is not used in CONST_IMM case, so don't
let it become stale, where pruning won't be able to match later on.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
kernel/bpf/verifier.c