From: Andrey Kazmin <a.kaz...@partner.samsung.com> 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 <a.kaz...@partner.samsung.com> Reviewed-by: Laurent Vivier <laur...@vivier.eu> Acked-by: Alex Bennée <alex.ben...@linaro.org> Message-Id: <20211227125048.22610-1-a.kaz...@partner.samsung.com> Signed-off-by: Laurent Vivier <laur...@vivier.eu> --- 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