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Sigrid Solveig Haflínudóttir d066c4bd4e connection: fix asan report on sendmsg call 
Initialiaze the entire msghdr struct to 0 before use.

Example of the report fixed with this change:

AddressSanitizer:DEADLYSIGNAL
=================================================================
==20035==ERROR: AddressSanitizer: SEGV on unknown address 0x2dad4dbffffa0d (pc 0x0055555c7488 bp 0x007fffffc760 sp 0x007fffffc760 T0)
==20035==The signal is caused by a READ memory access.
    #0 0x55555c7488 in read_msghdr(void*, __sanitizer::__sanitizer_msghdr*, long) (/home/ftrvx/w/_/uxn/bin/uxnemu+0x77488)
    #1 0x55555c810c in sendmsg (/home/ftrvx/w/_/uxn/bin/uxnemu+0x7810c)
    #2 0x7ff7f2db20 in wl_connection_flush /home/ftrvx/q/wayland/build/../src/connection.c:315:10
    #3 0x7ff7f2d014 in wl_display_flush /home/ftrvx/q/wayland/build/../src/wayland-client.c:2154:9
    #4 0x7ff7e80bc0  (/lib/libSDL2-2.0.so.0+0x104bc0)
    #5 0x7ff7e523b0  (/lib/libSDL2-2.0.so.0+0xd63b0)
    #6 0x7ff7e534e4  (/lib/libSDL2-2.0.so.0+0xd74e4)
    #7 0x7ff7e535e8  (/lib/libSDL2-2.0.so.0+0xd75e8)
    #8 0x7ff7daad54  (/lib/libSDL2-2.0.so.0+0x2ed54)
    #9 0x7ff7dab130  (/lib/libSDL2-2.0.so.0+0x2f130)
    #10 0x555565bb40 in main /home/ftrvx/w/_/uxn/src/uxnemu.c:519:2
    #11 0x7ff7f62484 in libc_start_main_stage2 /builddir/musl-1.1.24/src/env/__libc_start_main.c:94:2

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/home/ftrvx/w/_/uxn/bin/uxnemu+0x77488) in read_msghdr(void*, __sanitizer::__sanitizer_msghdr*, long)
==20035==ABORTING

Signed-off-by: Sigrid Solveig Haflínudóttir <ftrvxmtrx@gmail.com>
2022-04-03 16:17:40 +00:00
..
.gitignore ignore: Add *.dtd.embed 2016-03-10 22:24:20 -08:00
connection.c connection: fix asan report on sendmsg call 2022-04-03 16:17:40 +00:00
embed.py build: replace assembly embedding with Python script 2021-05-10 22:08:45 +00:00
event-loop.c Use zalloc for structs 2022-02-05 14:25:19 +00:00
meson.build build: use get_variable(pkgconfig) instead of get_pkgconfig_variable() 2022-03-25 09:14:08 +00:00
scanner.c scanner: Use the new atomic marshal/destroy function 2021-08-07 11:53:23 +00:00
wayland-client-core.h client: Add new proxy marshalling functions with flags 2021-08-07 11:53:23 +00:00
wayland-client.c client, server: handle wl_map_insert_new() failures 2022-03-25 09:43:53 +00:00
wayland-client.h doc: Formalize file comment in wayland-client.h, wayland-server.h 2016-05-11 11:03:27 -07:00
wayland-os.c Detect FreeBSD versions with broken MSG_CMSG_CLOEXEC 2021-09-10 11:35:54 +00:00
wayland-os.h shm: Add mmap+memmove fallback if mremap() does not exist 2021-09-10 11:35:54 +00:00
wayland-private.h debug: Fix printing of new ids 2021-11-02 11:27:51 +00:00
wayland-server-core.h server: introduce wl_signal_emit_mutable 2022-03-28 19:06:16 +00:00
wayland-server-private.h Move wl_priv_signal to wayland-server-private.h 2019-11-06 08:24:14 -06:00
wayland-server.c server: introduce wl_signal_emit_mutable 2022-03-28 19:06:16 +00:00
wayland-server.h wayland-server: Finally remove deprecated struct wl_buffer definition 2018-07-25 12:08:16 -05:00
wayland-shm.c Use zalloc for structs 2022-02-05 14:25:19 +00:00
wayland-util.c util: set errno in wl_map_insert_at() 2022-03-25 09:43:53 +00:00
wayland-util.h util: fix compiler warning 2020-02-24 11:02:44 +00:00
wayland-version.h.in src: Update boilerplate from MIT X11 license to MIT Expat license 2015-06-12 15:31:24 -07:00