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| author | Leah Neukirchen <leah@vuxu.org> | 2017-07-31 16:16:02 +0200 |
|---|---|---|
| committer | Leah Neukirchen <leah@vuxu.org> | 2017-07-31 16:18:16 +0200 |
| commit | 6efb555132586352958e2d91bc6ec06444ac7c3d (patch) | |
| tree | 614b01691af1b174f0c60106bb96357198fb22b5 /fail.c | |
| parent | 22d7580b77beef5ca4311c6da9d7562a6ce73ee0 (diff) | |
| download | fail-6efb555132586352958e2d91bc6ec06444ac7c3d.tar.gz fail-6efb555132586352958e2d91bc6ec06444ac7c3d.tar.xz fail-6efb555132586352958e2d91bc6ec06444ac7c3d.zip | |
crash on dlopen v0.1
Diffstat (limited to 'fail.c')
| -rw-r--r-- | fail.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fail.c b/fail.c index a08253a..90f6cb7 100644 --- a/fail.c +++ b/fail.c @@ -2,6 +2,7 @@ #include <linux/seccomp.h> +#include <sys/auxv.h> #include <sys/prctl.h> #include <sys/ptrace.h> #include <sys/stat.h> @@ -20,6 +21,19 @@ segfault() *nullp = 42; } +void _start(); + +__attribute__((__constructor__)) +void +dlcrash() +{ + volatile int *nullp = 0; + + // don't trigger if we are executed as a program + if (getauxval(AT_ENTRY) != (unsigned long)_start) + *nullp = 1337; +} + // can lockup your machine void oom() |