==3218==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7fffa577e2b0 at pc 0x4501f9 bp 0x7fffa577e130 sp 0x7fffa577e108
WRITE of size 112 at 0x7fffa577e2b0 thread T0
#0 0x4501f8 in shmctl /home/users/aadgrand/LLVM/releases/ubuntu/final/llvm.src/projects/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc:2502
#1 0x48bd13 in ipc_shm_get_info /home/travis/build/kerolasa/lelux-utiliteetit/sys-utils/ipcutils.c:157
#2 0x488884 in do_shm /home/travis/build/kerolasa/lelux-utiliteetit/sys-utils/ipcs.c:279
#3 0x4844a8 in main /home/travis/build/kerolasa/lelux-utiliteetit/sys-utils/ipcs.c:175
#4 0x2afb3f8c176c (/lib/x86_64-linux-gnu/libc.so.6+0x2176c)
#5 0x48408c in _start (/home/travis/build/kerolasa/lelux-utiliteetit/ipcs+0x48408c)
Signed-off-by: Sami Kerola <kerolasa@xxxxxx>
---
sys-utils/ipcutils.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sys-utils/ipcutils.c b/sys-utils/ipcutils.c
index c45162a..3d5249c 100644
--- a/sys-utils/ipcutils.c
+++ b/sys-utils/ipcutils.c
@@ -98,7 +98,7 @@ int ipc_shm_get_info(int id, struct shm_data **shmds)
FILE *f;
int i = 0, maxid;
struct shm_data *p;
- struct shm_info dummy;
+ struct shmid_ds dummy;
p = *shmds = xcalloc(1, sizeof(struct shm_data));
p->next = NULL;
@@ -154,7 +154,7 @@ int ipc_shm_get_info(int id, struct shm_data **shmds)
/* Fallback; /proc or /sys file(s) missing. */
shm_fallback:
- maxid = shmctl(0, SHM_INFO, (struct shmid_ds *) &dummy);
+ maxid = shmctl(0, SHM_INFO, &dummy);
for (int j = 0; j <= maxid; j++) {
int shmid;
--
2.1.3
--
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