[PATCH] Linux: Pass size argument of epoll_create to the kernel

Florian Weimer fweimer@redhat.com
Thu Dec 22 15:00:29 GMT 2022


The kernel actually verifies it, and a garbage value in the register
causes improper system call failures.

Fixes commit c1c0dea38833751f36a145c32 ("Linux: Remove epoll_create,
inotify_init from syscalls.list") and commit d1d23b134244d59c4d6ef2295
("Lninux: consolidate epoll_create implementation").

Tested on i686-linux-gnu, x86_64-linux-gnu.

---
 sysdeps/unix/sysv/linux/epoll_create.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sysdeps/unix/sysv/linux/epoll_create.c b/sysdeps/unix/sysv/linux/epoll_create.c
index afb1921637..cb6a67e602 100644
--- a/sysdeps/unix/sysv/linux/epoll_create.c
+++ b/sysdeps/unix/sysv/linux/epoll_create.c
@@ -25,7 +25,7 @@ int
 epoll_create (int size)
 {
 #ifdef __NR_epoll_create
-  return INLINE_SYSCALL_CALL (epoll_create);
+  return INLINE_SYSCALL_CALL (epoll_create, size);
 #else
   if (size <= 0)
     {

base-commit: e2b68828fab4fdfa5595fa89180230cdc4373ec1



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