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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 10:10:17 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 10:10:17 +0000
commit9db5397d87fc212863d4750c85ff8b9a6ed42b95 (patch)
tree1bd4e8854203c575eabaa99e2c509f8886065733 /kernel/bpf/verifier.c
parentAdding upstream version 6.1.76. (diff)
downloadlinux-upstream/6.1.82.tar.xz
linux-upstream/6.1.82.zip
Adding upstream version 6.1.82.upstream/6.1.82
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'kernel/bpf/verifier.c')
-rw-r--r--kernel/bpf/verifier.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 23b6d57b5..1a29ac4db 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -7448,6 +7448,7 @@ static int check_bpf_snprintf_call(struct bpf_verifier_env *env,
struct bpf_reg_state *fmt_reg = &regs[BPF_REG_3];
struct bpf_reg_state *data_len_reg = &regs[BPF_REG_5];
struct bpf_map *fmt_map = fmt_reg->map_ptr;
+ struct bpf_bprintf_data data = {};
int err, fmt_map_off, num_args;
u64 fmt_addr;
char *fmt;
@@ -7472,7 +7473,7 @@ static int check_bpf_snprintf_call(struct bpf_verifier_env *env,
/* We are also guaranteed that fmt+fmt_map_off is NULL terminated, we
* can focus on validating the format specifiers.
*/
- err = bpf_bprintf_prepare(fmt, UINT_MAX, NULL, NULL, num_args);
+ err = bpf_bprintf_prepare(fmt, UINT_MAX, NULL, num_args, &data);
if (err < 0)
verbose(env, "Invalid format string\n");