From: Andrey Kazmin <[email protected]>
The possible variants for region type in /proc/self/maps are either
private "p" or shared "s". In the current implementation,
we mark shared regions as "-". It could break memory mapping parsers
such as included into ASan/HWASan sanitizers.
Fixes: 01ef6b9e4e4e ("linux-user: factor out reading of /proc/self/maps")
Signed-off-by: Andrey Kazmin <[email protected]>
Reviewed-by: Laurent Vivier <[email protected]>
Acked-by: Alex Bennée <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Laurent Vivier <[email protected]>
---
linux-user/syscall.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 01cd59cdce53..3160d77154b5 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8045,7 +8045,7 @@ static int open_self_maps(void *cpu_env, int fd)
(flags & PAGE_READ) ? 'r' : '-',
(flags & PAGE_WRITE_ORG) ? 'w' : '-',
(flags & PAGE_EXEC) ? 'x' : '-',
- e->is_priv ? 'p' : '-',
+ e->is_priv ? 'p' : 's',
(uint64_t) e->offset, e->dev, e->inode);
if (path) {
dprintf(fd, "%*s%s\n", 73 - count, "", path);
--
2.33.1
