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* [glibc] Linux: Pass size argument of epoll_create to the kernel
@ 2022-12-22 16:23 Florian Weimer
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From: Florian Weimer @ 2022-12-22 16:23 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3c66c9600e285a42f042dd596859664b1d1372a7
commit 3c66c9600e285a42f042dd596859664b1d1372a7
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Dec 22 17:22:28 2022 +0100
Linux: Pass size argument of epoll_create to the kernel
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").
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diff:
---
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)
{
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2022-12-22 16:23 [glibc] Linux: Pass size argument of epoll_create to the kernel Florian Weimer
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