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sysctl: fix suid_dumpable and lease-break-time sysctls

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Arne de Bruijn points out that commit
76fdbb25f9 ("coredump masking: bound
suid_dumpable sysctl") mistakenly limits lease-break-time instead of
suid_dumpable.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Reported-by: Arne de Bruijn <kernelbt@arbruijn.dds.nl>
Cc: Kawai, Hidehiro <hidehiro.kawai.ez@hitachi.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Matthew Wilcox 2009-04-02 16:58:33 -07:00 • committed by Linus Torvalds
parent 303d379c54
commit 8e654fba4a
1 changed files with 6 additions and 9 deletions
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15
kernel/sysctl.c
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@ -95,12 +95,9 @@ static int sixty = 60;
static int neg_one = -1;
#endif
#if defined(CONFIG_MMU) && defined(CONFIG_FILE_LOCKING)
static int two = 2;
#endif
static int zero;
static int one = 1;
static int two = 2;
static unsigned long one_ul = 1;
static int one_hundred = 100;
@ -1373,10 +1370,7 @@ static struct ctl_table fs_table[] = {
.data = &lease_break_time,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec_minmax,
.strategy = &sysctl_intvec,
.extra1 = &zero,
.extra2 = &two,
.proc_handler = &proc_dointvec,
},
#endif
#ifdef CONFIG_AIO
@ -1417,7 +1411,10 @@ static struct ctl_table fs_table[] = {
.data = &suid_dumpable,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec,
.proc_handler = &proc_dointvec_minmax,
.strategy = &sysctl_intvec,
.extra1 = &zero,
.extra2 = &two,
},
#if defined(CONFIG_BINFMT_MISC) || defined(CONFIG_BINFMT_MISC_MODULE)
{