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* [glibc/arm/morello/main] Fix missing NUL terminator in stdio-common/scanf13 test
@ 2022-11-23 14:39 Szabolcs Nagy
0 siblings, 0 replies; 4+ messages in thread
From: Szabolcs Nagy @ 2022-11-23 14:39 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=69ecb7b4a3287e814d315e0bab05705be4d9a010
commit 69ecb7b4a3287e814d315e0bab05705be4d9a010
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Tue Oct 11 14:57:16 2022 +0100
Fix missing NUL terminator in stdio-common/scanf13 test
sscanf is only defined on nul terminated string input, but '\0' was
missing in this test which caused _IO_str_init_static_internal to
read OOB on the stack when computing the bounds of the string.
Diff:
---
stdio-common/scanf13.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/stdio-common/scanf13.c b/stdio-common/scanf13.c
index 720224aa05..60aa62a26f 100644
--- a/stdio-common/scanf13.c
+++ b/stdio-common/scanf13.c
@@ -67,6 +67,7 @@ main (void)
buf[2049] = 0x84;
buf[2058] = '\t';
buf[2059] = 'a';
+ buf[sizeof (buf) - 1] = '\0';
if (sscanf (buf, "%ms%mc", &sp1, &sp2) != 2)
FAIL ();
else
^ permalink raw reply [flat|nested] 4+ messages in thread
* [glibc/arm/morello/main] Fix missing NUL terminator in stdio-common/scanf13 test
@ 2022-10-27 13:49 Szabolcs Nagy
0 siblings, 0 replies; 4+ messages in thread
From: Szabolcs Nagy @ 2022-10-27 13:49 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b30fd928ac8f272dccb232cea47233c03f8f142d
commit b30fd928ac8f272dccb232cea47233c03f8f142d
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Tue Oct 11 14:57:16 2022 +0100
Fix missing NUL terminator in stdio-common/scanf13 test
sscanf is only defined on nul terminated string input, but '\0' was
missing in this test which caused _IO_str_init_static_internal to
read OOB on the stack when computing the bounds of the string.
Diff:
---
stdio-common/scanf13.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/stdio-common/scanf13.c b/stdio-common/scanf13.c
index 720224aa05..60aa62a26f 100644
--- a/stdio-common/scanf13.c
+++ b/stdio-common/scanf13.c
@@ -67,6 +67,7 @@ main (void)
buf[2049] = 0x84;
buf[2058] = '\t';
buf[2059] = 'a';
+ buf[sizeof (buf) - 1] = '\0';
if (sscanf (buf, "%ms%mc", &sp1, &sp2) != 2)
FAIL ();
else
^ permalink raw reply [flat|nested] 4+ messages in thread
* [glibc/arm/morello/main] Fix missing NUL terminator in stdio-common/scanf13 test
@ 2022-10-26 15:10 Szabolcs Nagy
0 siblings, 0 replies; 4+ messages in thread
From: Szabolcs Nagy @ 2022-10-26 15:10 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a4a231893f5af8a532cfd149dd71253d9183f600
commit a4a231893f5af8a532cfd149dd71253d9183f600
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Tue Oct 11 14:57:16 2022 +0100
Fix missing NUL terminator in stdio-common/scanf13 test
sscanf is only defined on nul terminated string input, but '\0' was
missing in this test which caused _IO_str_init_static_internal to
read OOB on the stack when computing the bounds of the string.
Diff:
---
stdio-common/scanf13.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/stdio-common/scanf13.c b/stdio-common/scanf13.c
index 720224aa05..60aa62a26f 100644
--- a/stdio-common/scanf13.c
+++ b/stdio-common/scanf13.c
@@ -67,6 +67,7 @@ main (void)
buf[2049] = 0x84;
buf[2058] = '\t';
buf[2059] = 'a';
+ buf[sizeof (buf) - 1] = '\0';
if (sscanf (buf, "%ms%mc", &sp1, &sp2) != 2)
FAIL ();
else
^ permalink raw reply [flat|nested] 4+ messages in thread
* [glibc/arm/morello/main] Fix missing NUL terminator in stdio-common/scanf13 test
@ 2022-10-12 14:15 Szabolcs Nagy
0 siblings, 0 replies; 4+ messages in thread
From: Szabolcs Nagy @ 2022-10-12 14:15 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ed157fcccd5dcf2644236084082ebb5159f6cff8
commit ed157fcccd5dcf2644236084082ebb5159f6cff8
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Tue Oct 11 14:57:16 2022 +0100
Fix missing NUL terminator in stdio-common/scanf13 test
sscanf is only defined on nul terminated string input, but '\0' was
missing in this test which caused _IO_str_init_static_internal to
read OOB on the stack when computing the bounds of the string.
Diff:
---
stdio-common/scanf13.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/stdio-common/scanf13.c b/stdio-common/scanf13.c
index 720224aa05..60aa62a26f 100644
--- a/stdio-common/scanf13.c
+++ b/stdio-common/scanf13.c
@@ -67,6 +67,7 @@ main (void)
buf[2049] = 0x84;
buf[2058] = '\t';
buf[2059] = 'a';
+ buf[sizeof (buf) - 1] = '\0';
if (sscanf (buf, "%ms%mc", &sp1, &sp2) != 2)
FAIL ();
else
^ permalink raw reply [flat|nested] 4+ messages in thread
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