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Groups > linux.debian.bugs.dist > #1154684
| From | Michael Tokarev <mjt@tls.msk.ru> |
|---|---|
| Newsgroups | linux.debian.bugs.dist |
| Subject | Bug#1040981: klibc-utils: segfault executing armhf binaries under qemu-user |
| Date | 2023-07-17 22:30 +0200 |
| Message-ID | <GSD0Z-VKQ-1@gated-at.bofh.it> (permalink) |
| References | (3 earlier) <GSBix-UDB-1@gated-at.bofh.it> <GSBse-UGY-5@gated-at.bofh.it> <GSCHD-VEa-7@gated-at.bofh.it> <GRdih-2QS-3@gated-at.bofh.it> <GSCHD-VEa-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
17.07.2023 22:58, Helge Deller wrote:
> This patch seems to work. Tested with qemu-arm and qemu-amd64.
Wow!
> diff --git a/linux-user/elfload.c b/linux-user/elfload.c
> index a26200d9f3..b583018591 100644
> --- a/linux-user/elfload.c
> +++ b/linux-user/elfload.c
> @@ -3615,6 +3631,13 @@ int load_elf_binary(struct linux_binprm *bprm, struct image_info *info)
>
> if (elf_interpreter) {
> load_elf_interp(elf_interpreter, &interp_info, bprm->buf);
> + /*
> + * adjust brk address if the interpreter was loaded above the main
> + * executable, e.g. happens with static binaries on armhf
Guess you mean dynamic binaries? the klibc binaries we used are dynamic, no?
> + */
> + if (interp_info.brk > info->brk) {
> + info->brk = interp_info.brk;
> + }
Heh. So it clashes with brk. Nice... ;)
You should ping upstream about this one before 8.1 is out, I think.
/mjt
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Bug#1040981: klibc-utils: segfault executing armhf binaries under qemu-user Helge Deller <deller@gmx.de> - 2023-07-17 15:00 +0200
Bug#1040981: klibc-utils: segfault executing armhf binaries under qemu-user Michael Tokarev <mjt@tls.msk.ru> - 2023-07-17 15:30 +0200
Bug#1040981: klibc-utils: segfault executing armhf binaries under qemu-user Helge Deller <deller@gmx.de> - 2023-07-17 20:40 +0200
Bug#1040981: klibc-utils: segfault executing armhf binaries under qemu-user Helge Deller <deller@gmx.de> - 2023-07-17 20:50 +0200
Bug#1040981: klibc-utils: segfault executing armhf binaries under qemu-user Helge Deller <deller@gmx.de> - 2023-07-17 22:10 +0200
Bug#1040981: klibc-utils: segfault executing armhf binaries under qemu-user Michael Tokarev <mjt@tls.msk.ru> - 2023-07-17 22:30 +0200
Bug#1040981: klibc-utils: segfault executing armhf binaries under qemu-user Helge Deller <deller@gmx.de> - 2023-07-17 22:40 +0200
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