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Commit 1680a386 authored by Liping Zhang's avatar Liping Zhang Committed by Linus Torvalds
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sysctl: add sanity check for proc_douintvec 



Commit e7d316a0 ("sysctl: handle error writing UINT_MAX to u32
fields") introduced the proc_douintvec helper function, but it forgot to
add the related sanity check when doing register_sysctl_table.  So add
it now.

Signed-off-by: default avatarLiping Zhang <zlpnobody@gmail.com>
Cc: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 269c930e

fs/proc/proc_sysctl.c

+1 −0
Original line number Diff line number Diff line
@@ -1074,6 +1074,7 @@ static int sysctl_check_table(const char *path, struct ctl_table *table) 


		if ((table->proc_handler == proc_dostring) ||

		    (table->proc_handler == proc_dointvec) ||

		    (table->proc_handler == proc_douintvec) ||

		    (table->proc_handler == proc_dointvec_minmax) ||

		    (table->proc_handler == proc_dointvec_jiffies) ||

		    (table->proc_handler == proc_dointvec_userhz_jiffies) ||