eda47481b9
kpatch_process: fix possible double free. ptrace: fix NULL pointer access problem fix patched process crashing when acccess the global var fix probably restore cc symbol link fail when kill patch building uncourteous optimize: Remove unnecessary comparison code Signed-off-by: yezengruan <yezengruan@huawei.com> (cherry picked from commit f3d59711105eb667fa2f920958fcbdbb7068afd2)
50 lines
1.5 KiB
Diff
50 lines
1.5 KiB
Diff
From b316ee94be9e6bdcda30400511593550de1eb29b Mon Sep 17 00:00:00 2001
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From: jiang-dawei15 <jiangdawei15@huawei.com>
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Date: Tue, 1 Mar 2022 16:07:37 +0800
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Subject: [PATCH 1/2] kpatch_elf: compatible with older versions of the so
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naming rules
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New openEuler so naming rules have been changed, such as:
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old so naming rules: libc-x.y.z.so
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<----->
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new so naming rules: libc.so.x.y.z
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We need support this two version.
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fix commit: abfc33435c25e1515e35768c9a2d684aa72dc780
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Signed-off-by: Bihong Yu <yubihong@huawei.com>
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---
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src/kpatch_elf.c | 12 +++++++++---
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1 file changed, 9 insertions(+), 3 deletions(-)
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diff --git a/src/kpatch_elf.c b/src/kpatch_elf.c
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index 260209a..833f8e1 100644
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--- a/src/kpatch_elf.c
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+++ b/src/kpatch_elf.c
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@@ -180,13 +180,19 @@ static int
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elf_object_is_interp_exception(struct object_file *o)
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{
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/* libc */
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- if (!strncmp(o->name, "libc.", 5))
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+ if (!strncmp(o->name, "libc.so.", 8) ||
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+ (!strncmp(o->name, "libc-", 5) &&
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+ !strncmp(o->name + strlen(o->name) - 3, ".so", 3)))
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return 1;
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/* libpthread */
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- if (!strncmp(o->name, "libpthread.", 11))
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+ if (!strncmp(o->name, "libpthread.so.", 14) ||
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+ (!strncmp(o->name, "libpthread-", 11) &&
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+ !strncmp(o->name + strlen(o->name) - 3, ".so", 3)))
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return 1;
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/* libdl */
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- if (!strncmp(o->name, "libdl.", 6))
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+ if (!strncmp(o->name, "libdl.so.", 9) ||
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+ (!strncmp(o->name, "libdl-", 6) &&
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+ !strncmp(o->name + strlen(o->name) - 3, ".so", 3)))
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return 1;
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return 0;
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}
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--
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2.27.0
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