]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 1e02354) | patch
bpftool: Check for NULL ptr of btf in codegen_asserts
authorMichael Mullin <masmullin@gmail.com>
Mon, 23 May 2022 19:49:17 +0000 (15:49 -0400)
committerAndrii Nakryiko <andrii@kernel.org>
Thu, 2 Jun 2022 23:26:43 +0000 (16:26 -0700)
commit1024bc680db5a062ce8d98d7c287dec95cd1dd51
tree1b795412ac72bdd5858073682f4b274b6d93d629tree | snapshot
parent1e0235409b3d40f4d30eb67281ecd8b9fcb49480commit | diff
bpftool: Check for NULL ptr of btf in codegen_asserts

bpf_object__btf() can return a NULL value.  If bpf_object__btf returns
null, do not progress through codegen_asserts(). This avoids a null ptr
dereference at the call btf__type_cnt() in the function find_type_for_map()

Signed-off-by: Michael Mullin <masmullin@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220523194917.igkgorco42537arb@jup
tools/bpf/bpftool/gen.c diff | blob | history
Linux Kernel Source Tree.