From: Antony Pavlov <antonynpavlov@gmail.com> To: barebox@lists.infradead.org Subject: [PATCH 4/4] bareboximd: make the '-c' option work again Date: Thu, 28 Oct 2021 04:28:16 +0300 [thread overview] Message-ID: <20211028012816.929611-5-antonynpavlov@gmail.com> (raw) In-Reply-To: <20211028012816.929611-1-antonynpavlov@gmail.com> bareboximd with the '-c' option craches while trying to alter an image file, e.g.: barebox$ git describe v2021.10.0-125-gd136ec5ac6 barebox$ make ARCH=arm CROSS_COMPILE=aarch64-linux-gnu- imx_v8_defconfig ... barebox$ make ARCH=arm CROSS_COMPILE=aarch64-linux-gnu- ... images built: barebox-nxp-imx8mm-evk.img barebox-prt-prt8mm.img barebox-nxp-imx8mn-evk.img barebox-nxp-imx8mp-evk.img barebox-nxp-imx8mq-evk.img barebox-zii-imx8mq-dev.img barebox-phytec-phycore-imx8mq.img barebox$ ./scripts/bareboximd images/barebox-phytec-phycore-imx8mq.img build: #1 Thu Oct 28 01:11:07 UTC 2021 buildsystem version: crc32: 0x00000000 release: 2021.10.0-00125-gd136ec5ac6 barebox$ ./scripts/bareboximd -c images/barebox-phytec-phycore-imx8mq.img Segmentation fault (core dumped) The problem is that the bareboximd uses mmap() on an image file in read-only mode. Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> --- scripts/bareboximd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/bareboximd.c b/scripts/bareboximd.c index c3dcb4dcf0..fe0d274380 100644 --- a/scripts/bareboximd.c +++ b/scripts/bareboximd.c @@ -97,7 +97,7 @@ static int read_file_2(const char *filename, size_t *size, void **outbuf, size_t goto close; } - buf = mmap(NULL, max_size, PROT_READ, MAP_SHARED, fd, 0); + buf = mmap(NULL, max_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); if (buf == MAP_FAILED ) { buf = malloc(max_size); if (!buf) { -- 2.33.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox
next prev parent reply other threads:[~2021-10-28 1:32 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-10-28 1:28 [PATCH 0/4] imd fixes Antony Pavlov 2021-10-28 1:28 ` [PATCH 1/4] imd: fix imd_is_crc32() Antony Pavlov 2021-10-28 1:28 ` [PATCH 2/4] imd: reuse imd_is_crc32() Antony Pavlov 2021-10-28 1:28 ` [PATCH 3/4] include/image-metadata.h: fix whitespaces in the BAREBOX_IMD_CRC macro Antony Pavlov 2021-10-28 1:28 ` Antony Pavlov [this message] 2021-10-28 6:45 ` [PATCH 4/4] bareboximd: make the '-c' option work again Ahmad Fatoum 2021-10-28 7:00 ` Antony Pavlov 2021-11-01 9:05 ` [PATCH 0/4] imd fixes Sascha Hauer
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20211028012816.929611-5-antonynpavlov@gmail.com \ --to=antonynpavlov@gmail.com \ --cc=barebox@lists.infradead.org \ --subject='Re: [PATCH 4/4] bareboximd: make the '\''-c'\'' option work again' \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: link
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox