From: Al Viro <viro@zeniv.linux.org.uk>
To: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
the arch/x86 maintainers <x86@kernel.org>,
linux-mips@vger.kernel.org, Randy Dunlap <rdunlap@infradead.org>,
Denys Vlasenko <dvlasenk@redhat.com>
Subject: Re: [PATCHSET] saner elf compat
Date: Wed, 23 Dec 2020 07:12:13 +0000 [thread overview]
Message-ID: <20201223071213.GX3579531@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20201223070320.GW3579531@ZenIV.linux.org.uk>
On Wed, Dec 23, 2020 at 07:03:20AM +0000, Al Viro wrote:
Argh.... Wrong commit blamed - the parent of the correct one.
It's actually 2aa362c49c31 ("coredump: extend core dump note section to
contain file names of mapped files"). My apologies - fat-fingered
cut'n'paste...
siginfo commit does suffer the same problem, but it becomes an issue
only for 32bit processes under mips64 big-endian kernel (there it yields
e.g. zero .__sigfault.si_addr in $_siginfo when using gdb with a coredump
of 32bit process, whatever the actual faulting address had been). And
b-e mips64 is rather uncommon, so that's less of an issue.
next prev parent reply other threads:[~2020-12-23 7:13 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-03 21:45 [PATCHSET] saner elf compat Al Viro
2020-12-03 21:46 ` [PATCH 01/10] binfmt_elf: partially sanitize PRSTATUS_SIZE and SET_PR_FPVALID Al Viro
2020-12-03 21:46 ` [PATCH 02/10] elf_prstatus: collect the common part (everything before pr_reg) into a struct Al Viro
2020-12-03 21:46 ` [PATCH 03/10] [elfcore-compat][amd64] clean PRSTATUS_SIZE/SET_PR_FPVALID up properly Al Viro
2020-12-03 21:46 ` [PATCH 04/10] mips binfmt_elf*32.c: use elfcore-compat.h Al Viro
2020-12-03 21:46 ` [PATCH 05/10] mips: kill unused definitions in binfmt_elf[on]32.c Al Viro
2020-12-03 21:46 ` [PATCH 06/10] mips: KVM_GUEST makes no sense for 64bit builds Al Viro
2020-12-03 21:46 ` [PATCH 07/10] mips compat: don't bother with ELF_ET_DYN_BASE Al Viro
2020-12-03 21:46 ` [PATCH 08/10] mips: don't bother with ELF_CORE_EFLAGS Al Viro
2020-12-03 21:46 ` [PATCH 09/10] mips compat: switch to compat_binfmt_elf.c Al Viro
2020-12-03 21:46 ` [PATCH 10/10] Kconfig: regularize selection of CONFIG_BINFMT_ELF Al Viro
2020-12-03 22:09 ` [PATCHSET] saner elf compat Linus Torvalds
2020-12-03 23:03 ` Al Viro
2020-12-06 3:23 ` Al Viro
2020-12-07 3:36 ` hpa
2020-12-07 18:01 ` Maciej W. Rozycki
2020-12-16 3:01 ` Al Viro
2020-12-16 9:44 ` Maciej W. Rozycki
2020-12-22 20:04 ` Al Viro
2020-12-22 21:38 ` Al Viro
2020-12-22 22:57 ` Al Viro
2020-12-23 7:03 ` Al Viro
2020-12-23 7:12 ` Al Viro [this message]
2020-12-24 19:44 ` [RFC][PATCH] NT_FILE/NT_SIGINFO breakage on mips compat coredumps Al Viro
2020-12-29 15:09 ` Thomas Bogendoerfer
2020-12-15 19:54 ` [PATCHSET] saner elf compat Thomas Bogendoerfer
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