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| author | Takashi Iwai <tiwai@suse.de> | 2022-12-22 09:11:48 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2022-12-22 09:11:48 +0100 |
| commit | 2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b (patch) | |
| tree | f711bc9cab45f4963e4883ef15ff4c54a6cbc12e /tools/testing/selftests/bpf/progs/test_varlen.c | |
| parent | b47068b4aa53a57552398e3f60d0ed1918700c2b (diff) | |
| parent | ee0b089d660021792e4ab4dda191b097ce1e964f (diff) | |
| download | linux-2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b.tar.gz linux-2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b.tar.bz2 linux-2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b.zip | |
Merge branch 'for-next' into for-linus
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_varlen.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/test_varlen.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_varlen.c b/tools/testing/selftests/bpf/progs/test_varlen.c index 3987ff174f1f..20eb7d422c41 100644 --- a/tools/testing/selftests/bpf/progs/test_varlen.c +++ b/tools/testing/selftests/bpf/progs/test_varlen.c @@ -19,6 +19,7 @@ __u64 payload1_len1 = 0; __u64 payload1_len2 = 0; __u64 total1 = 0; char payload1[MAX_LEN + MAX_LEN] = {}; +__u64 ret_bad_read = 0; /* .data */ int payload2_len1 = -1; @@ -36,6 +37,8 @@ int payload4_len2 = -1; int total4= -1; char payload4[MAX_LEN + MAX_LEN] = { 1 }; +char payload_bad[5] = { 0x42, 0x42, 0x42, 0x42, 0x42 }; + SEC("raw_tp/sys_enter") int handler64_unsigned(void *regs) { @@ -61,6 +64,8 @@ int handler64_unsigned(void *regs) total1 = payload - (void *)payload1; + ret_bad_read = bpf_probe_read_kernel_str(payload_bad + 2, 1, (void *) -1); + return 0; } |