Monday, September 23, 2024

Re: firefox aarch64 pledge crashes

> Looks like that's not enough, I happened to look at the screen at
> just the right time and noticed some undefined symbol errors from ld.lld
> relating to dav1d scrolling past while it was building.
>
> Next attempt is with this diff, results in the morning probably.

oh, build was quicker than I'm used to!

with this + the kern_pledge.c diff, I still get a SIGILL though
(trapno=33554432). no firefox.core though, is there an easy way to
stop the kernel from allowing firefox to trap SIGILL?

$ aarch64-esr-decoder `moo 33554432 | head -1`
ESR 0x00000000000000000000000002000000:
37..63 RES0: 0x0000000 0b000000000000000000000000000
32..36 ISS2: 0x00 0b00000
26..31 EC: 0x00 0b000000
# Unknown reason
25 IL: true
# 32-bit instruction trapped
00..24 ISS: 0x0000000 0b0000000000000000000000000
00..24 RES0: 0x0000000 0b0000000000000000000000000
# ISS is RES0


> Index: Makefile
> ===================================================================
> RCS file: /cvs/ports/www/mozilla-firefox/Makefile,v
> diff -u -p -r1.603 Makefile
> --- Makefile 17 Sep 2024 12:55:40 -0000 1.603
> +++ Makefile 23 Sep 2024 22:58:41 -0000
> @@ -1,6 +1,8 @@
> COMMENT = Firefox web browser
> ONLY_FOR_ARCHS = amd64 aarch64 riscv64
>
> +REVISION = 0
> +
> # Don't forget to bump www/firefox-i18n after updates.
>
> MOZILLA_VERSION = 130.0.1
> @@ -74,6 +76,12 @@ COMMENT_FFVPX ?=
> COMMENT_FFVPX = @comment # needs a trailing space
> .endif
> SUBST_VARS += COMMENT_FFVPX
> +
> +# vendored copy of dav1d needs patching
> +USE_NOBTCFI-aarch64 = Yes
> +.if ${MACHINE_ARCH} == aarch64
> +USE_WXNEEDED = Yes
> +.endif
>
> post-install:
> ${SUBST_MAN} ${FILESDIR}/mozilla-firefox.1 \
>

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