[info=fd8cb232fe431f50a83c60c65e0e6a1f963588f7c05ef76de933b3fafeefdf90]
OBS-URL: https://build.opensuse.org/package/show/filesharing/rtorrent?expand=0&rev=14
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From 954bfb70f24578ef33b1f77cf1a3d64fc2f2f595 Mon Sep 17 00:00:00 2001
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From: Aleksa Sarai <cyphar@cyphar.com>
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Date: Mon, 20 Jun 2022 19:09:57 +1000
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Subject: [PATCH] utils: lockfile: avoid stack overflow for lockfile buffer
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References: https://github.com/rakshasa/rtorrent/pull/1169
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Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>
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---
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src/utils/lockfile.cc | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/src/utils/lockfile.cc b/src/utils/lockfile.cc
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index 7d11d8c9970f..fac5cb23e26f 100644
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--- a/src/utils/lockfile.cc
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+++ b/src/utils/lockfile.cc
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@@ -98,7 +98,8 @@ Lockfile::try_lock() {
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int pos = ::gethostname(buf, 255);
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if (pos == 0) {
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- ::snprintf(buf + std::strlen(buf), 255, ":+%i\n", ::getpid());
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+ ssize_t len = std::strlen(buf);
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+ ::snprintf(buf + len, 255 - len, ":+%i\n", ::getpid());
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int __UNUSED result = ::write(fd, buf, std::strlen(buf));
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}
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--
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2.36.1
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@ -1,4 +1,4 @@
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mtime: 1727623537
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mtime: 1727623746
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commit: 1fabab83e2b4d0b00919eef5b33a3b1beb8421c4045f325150c4a5cefe8ada20
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commit: fd8cb232fe431f50a83c60c65e0e6a1f963588f7c05ef76de933b3fafeefdf90
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url: https://src.opensuse.org/jengelh/rtorrent
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url: https://src.opensuse.org/jengelh/rtorrent
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revision: master
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revision: master
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version https://git-lfs.github.com/spec/v1
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version https://git-lfs.github.com/spec/v1
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oid sha256:9441fbaf41970ed9527cb5472d836699c7c4f27a0e2a523fc7e3504308f1b11f
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oid sha256:074f000526ee827ae89ef1faed3f30d5390ad469974313151708dc8ac0135d38
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size 256
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size 256
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