Arnd Bergmann 56af94aace samples: user-trap: fix strict-aliasing warning ... I started getting warnings for this one file, though I can't see what changed since it was originally introduced in commit fec7b66905 ("samples: add an example of seccomp user trap"). samples/seccomp/user-trap.c: In function 'send_fd': samples/seccomp/user-trap.c:50:11: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 50 | *((int *)CMSG_DATA(cmsg)) = fd; | ~^~~~~~~~~~~~~~~~~~~~~~~ samples/seccomp/user-trap.c: In function 'recv_fd': samples/seccomp/user-trap.c:83:18: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 83 | return *((int *)CMSG_DATA(cmsg)); | ~^~~~~~~~~~~~~~~~~~~~~~~ Using a temporary pointer variable avoids the warning. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20240212111737.917428-1-arnd@kernel.org Acked-by: Tycho Andersen <tandersen@netflix.com> Signed-off-by: Kees Cook <keescook@chromium.org>		2024-02-12 10:42:02 -08:00
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.gitignore
bpf-direct.c
bpf-fancy.c
bpf-helper.c
bpf-helper.h
dropper.c
Makefile
user-trap.c	samples: user-trap: fix strict-aliasing warning	2024-02-12 10:42:02 -08:00