From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org, swarupkotikalapudi@mail.com,
adobriyan@gmail.com, akpm@linux-foundation.org
Subject: [merged mm-nonmm-stable] proc-fix-proc-empty-vm-test-with-vsyscall.patch removed from -mm tree
Date: Wed, 01 Nov 2023 12:47:27 -0700 [thread overview]
Message-ID: <20231101194727.C41CEC433CB@smtp.kernel.org> (raw)
The quilt patch titled
Subject: proc: fix proc-empty-vm test with vsyscall
has been removed from the -mm tree. Its filename was
proc-fix-proc-empty-vm-test-with-vsyscall.patch
This patch was dropped because it was merged into the mm-nonmm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Alexey Dobriyan <adobriyan@gmail.com>
Subject: proc: fix proc-empty-vm test with vsyscall
Date: Fri, 27 Oct 2023 17:21:03 +0300
* fix embarassing /proc/*/smaps test bug due to a typo in variable name
it tested only the first line of the output if vsyscall is enabled:
ffffffffff600000-ffffffffff601000 r-xp ...
so test passed but tested only VMA location and permissions.
* add "KSM" entry, unnoticed because (1)
* swap "r-xp" and "--xp" vsyscall test strings,
also unnoticed because (1)
Link: https://lkml.kernel.org/r/76f42cce-b1ab-45ec-b6b2-4c64f0dccb90@p183
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Tested-by: Swarup Laxman Kotikalapudi<swarupkotikalapudi@mail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
tools/testing/selftests/proc/proc-empty-vm.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
--- a/tools/testing/selftests/proc/proc-empty-vm.c~proc-fix-proc-empty-vm-test-with-vsyscall
+++ a/tools/testing/selftests/proc/proc-empty-vm.c
@@ -60,7 +60,7 @@ static const char proc_pid_maps_vsyscall
static const char proc_pid_smaps_vsyscall_0[] = "";
static const char proc_pid_smaps_vsyscall_1[] =
-"ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]\n"
+"ffffffffff600000-ffffffffff601000 --xp 00000000 00:00 0 [vsyscall]\n"
"Size: 4 kB\n"
"KernelPageSize: 4 kB\n"
"MMUPageSize: 4 kB\n"
@@ -73,6 +73,7 @@ static const char proc_pid_smaps_vsyscal
"Private_Dirty: 0 kB\n"
"Referenced: 0 kB\n"
"Anonymous: 0 kB\n"
+"KSM: 0 kB\n"
"LazyFree: 0 kB\n"
"AnonHugePages: 0 kB\n"
"ShmemPmdMapped: 0 kB\n"
@@ -90,7 +91,7 @@ static const char proc_pid_smaps_vsyscal
;
static const char proc_pid_smaps_vsyscall_2[] =
-"ffffffffff600000-ffffffffff601000 --xp 00000000 00:00 0 [vsyscall]\n"
+"ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]\n"
"Size: 4 kB\n"
"KernelPageSize: 4 kB\n"
"MMUPageSize: 4 kB\n"
@@ -103,6 +104,7 @@ static const char proc_pid_smaps_vsyscal
"Private_Dirty: 0 kB\n"
"Referenced: 0 kB\n"
"Anonymous: 0 kB\n"
+"KSM: 0 kB\n"
"LazyFree: 0 kB\n"
"AnonHugePages: 0 kB\n"
"ShmemPmdMapped: 0 kB\n"
@@ -244,10 +246,10 @@ static int test_proc_pid_smaps(pid_t pid
if (g_vsyscall == 0) {
assert(rv == 0);
} else {
- size_t len = strlen(g_proc_pid_maps_vsyscall);
+ size_t len = strlen(g_proc_pid_smaps_vsyscall);
/* TODO "ProtectionKey:" */
assert(rv > len);
- assert(memcmp(buf, g_proc_pid_maps_vsyscall, len) == 0);
+ assert(memcmp(buf, g_proc_pid_smaps_vsyscall, len) == 0);
}
return EXIT_SUCCESS;
}
_
Patches currently in -mm which might be from adobriyan@gmail.com are
reply other threads:[~2023-11-01 19:47 UTC|newest]
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