From: Colin King <colin.king@canonical.com> To: Alexander Viro <viro@zeniv.linux.org.uk>, linux-fsdevel@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH][next] binfmt_elf: fix unsigned regset0_size compared to less than zero Date: Mon, 27 Jul 2020 18:40:54 +0100 [thread overview] Message-ID: <20200727174054.154765-1-colin.king@canonical.com> (raw) From: Colin Ian King <colin.king@canonical.com> Variable regset0_size is an unsigned int and it is being checked for an error by checking if it is less than zero, and hence this check is always going to be false. Fix this by making the variable regset0_size signed. Addresses-Coverity: ("Unsigned compared against 0") Fixes: 0f17865d8847 ("introduction of regset ->get() wrappers, switching ELF coredumps to those") Signed-off-by: Colin Ian King <colin.king@canonical.com> --- fs/binfmt_elf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 6a171a28bdf7..13d053982dd7 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -1821,7 +1821,7 @@ static int fill_thread_core_info(struct elf_thread_core_info *t, long signr, size_t *total) { unsigned int i; - unsigned int regset0_size; + int regset0_size; /* * NT_PRSTATUS is the one special case, because the regset data -- 2.27.0
WARNING: multiple messages have this Message-ID (diff)
From: Colin King <colin.king@canonical.com> To: Alexander Viro <viro@zeniv.linux.org.uk>, linux-fsdevel@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH][next] binfmt_elf: fix unsigned regset0_size compared to less than zero Date: Mon, 27 Jul 2020 17:40:54 +0000 [thread overview] Message-ID: <20200727174054.154765-1-colin.king@canonical.com> (raw) From: Colin Ian King <colin.king@canonical.com> Variable regset0_size is an unsigned int and it is being checked for an error by checking if it is less than zero, and hence this check is always going to be false. Fix this by making the variable regset0_size signed. Addresses-Coverity: ("Unsigned compared against 0") Fixes: 0f17865d8847 ("introduction of regset ->get() wrappers, switching ELF coredumps to those") Signed-off-by: Colin Ian King <colin.king@canonical.com> --- fs/binfmt_elf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 6a171a28bdf7..13d053982dd7 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -1821,7 +1821,7 @@ static int fill_thread_core_info(struct elf_thread_core_info *t, long signr, size_t *total) { unsigned int i; - unsigned int regset0_size; + int regset0_size; /* * NT_PRSTATUS is the one special case, because the regset data -- 2.27.0
next reply other threads:[~2020-07-27 17:40 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-07-27 17:40 Colin King [this message] 2020-07-27 17:40 ` [PATCH][next] binfmt_elf: fix unsigned regset0_size compared to less than zero Colin King 2020-07-27 18:43 ` Al Viro 2020-07-27 18:43 ` Al Viro
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