From: David Laight <David.Laight@ACULAB.COM> To: 'Arnd Bergmann' <arnd@arndb.de>, Mauro Carvalho Chehab <mchehab@kernel.org> Cc: "Jiri Pirko" <jiri@resnulli.us>, "Arend van Spriel" <arend.vanspriel@broadcom.com>, "Kalle Valo" <kvalo@codeaurora.org>, "David S. Miller" <davem@davemloft.net>, "Andrey Ryabinin" <aryabinin@virtuozzo.com>, "Alexander Potapenko" <glider@google.com>, "Dmitry Vyukov" <dvyukov@google.com>, "Masahiro Yamada" <yamada.masahiro@socionext.com>, "Michal Marek" <mmarek@suse.com>, "Andrew Morton" <akpm@linux-foundation.org>, "Kees Cook" <keescook@chromium.org>, "Geert Uytterhoeven" <geert@linux-m68k.org>, "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>, "linux-media@vger.kernel.org" <linux-media@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "netdev@vger.kernel.org" <netdev@vger.kernel.org>, "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>, "brcm80211-dev-list.pdl@broadcom.com" <brcm80211-dev-list.pdl@broadcom.com>, "brcm80211-dev-list@cypress.com" <brcm80211-dev-list@cypress.com>, "kasan-dev@googlegroups.com" <kasan-dev@googlegroups.com>, "linux-kbuild@vger.kernel.org" <linux-kbuild@vger.kernel.org>, "Jakub Jelinek" <jakub@gcc.gnu.org>, "Martin Liška" <marxin@gcc.gnu.org>, "stable@vger.kernel.org" <stable@vger.kernel.org> Subject: RE: [PATCH v4 4/9] em28xx: fix em28xx_dvb_init for KASAN Date: Mon, 25 Sep 2017 14:41:30 +0000 [thread overview] Message-ID: <063D6719AE5E284EB5DD2968C1650D6DD007F521@AcuExch.aculab.com> (raw) In-Reply-To: <20170922212930.620249-5-arnd@arndb.de> From: Arnd Bergmann > Sent: 22 September 2017 22:29 ... > It seems that this is triggered in part by using strlcpy(), which the > compiler doesn't recognize as copying at most 'len' bytes, since strlcpy > is not part of the C standard. Neither is strncpy(). It'll almost certainly be a marker in a header file somewhere, so it should be possibly to teach it about other functions. David
WARNING: multiple messages have this Message-ID (diff)
From: David Laight <David.Laight@ACULAB.COM> To: 'Arnd Bergmann' <arnd@arndb.de>, Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Jiri Pirko <jiri@resnulli.us>, Arend van Spriel <arend.vanspriel@broadcom.com>, Kalle Valo <kvalo@codeaurora.org>, "David S. Miller" <davem@davemloft.net>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Alexander Potapenko <glider@google.com>, Dmitry Vyukov <dvyukov@google.com>, Masahiro Yamada <yamada.masahiro@socionext.com>, Michal Marek <mmarek@suse.com>, Andrew Morton <akpm@linux-foundation.org>, Kees Cook <keescook@chromium.org>, Geert Uytterhoeven <geert@linux-m68k.org>, "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>, "linux-media@vger.kernel.org" <linux-media@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "netdev@vger.kernel.org" <netdev@vger.kernel.org>, "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org Subject: RE: [PATCH v4 4/9] em28xx: fix em28xx_dvb_init for KASAN Date: Mon, 25 Sep 2017 14:41:30 +0000 [thread overview] Message-ID: <063D6719AE5E284EB5DD2968C1650D6DD007F521@AcuExch.aculab.com> (raw) In-Reply-To: <20170922212930.620249-5-arnd@arndb.de> From: Arnd Bergmann > Sent: 22 September 2017 22:29 ... > It seems that this is triggered in part by using strlcpy(), which the > compiler doesn't recognize as copying at most 'len' bytes, since strlcpy > is not part of the C standard. Neither is strncpy(). It'll almost certainly be a marker in a header file somewhere, so it should be possibly to teach it about other functions. David
next prev parent reply other threads:[~2017-09-25 14:49 UTC|newest] Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-09-22 21:29 [PATCH v4 0/9] bring back stack frame warning with KASAN Arnd Bergmann 2017-09-22 21:29 ` Arnd Bergmann 2017-09-22 21:29 ` Arnd Bergmann 2017-09-22 21:29 ` Arnd Bergmann 2017-09-22 21:29 ` [PATCH v4 1/9] brcmsmac: make some local variables 'static const' to reduce stack size Arnd Bergmann 2017-09-22 21:29 ` Arnd Bergmann 2017-09-25 4:33 ` Kalle Valo 2017-09-25 4:33 ` Kalle Valo 2017-10-02 13:53 ` [v4, " Kalle Valo 2017-10-02 13:53 ` Kalle Valo 2017-10-02 13:53 ` Kalle Valo 2017-09-22 21:29 ` [PATCH v4 2/9] brcmsmac: split up wlc_phy_workarounds_nphy Arnd Bergmann 2017-09-22 21:29 ` Arnd Bergmann 2017-10-02 13:55 ` [v4,2/9] " Kalle Valo 2017-10-02 13:55 ` Kalle Valo 2017-10-02 13:55 ` Kalle Valo 2017-10-27 7:51 ` Kalle Valo 2017-10-27 7:51 ` Kalle Valo 2017-10-27 7:51 ` Kalle Valo 2017-09-22 21:29 ` [PATCH v4 3/9] brcmsmac: reindent split functions Arnd Bergmann 2017-09-22 21:29 ` Arnd Bergmann 2017-09-22 21:29 ` [PATCH v4 4/9] em28xx: fix em28xx_dvb_init for KASAN Arnd Bergmann 2017-09-22 21:29 ` Arnd Bergmann 2017-09-25 14:41 ` David Laight [this message] 2017-09-25 14:41 ` David Laight 2017-09-26 6:32 ` Arnd Bergmann 2017-09-26 6:32 ` Arnd Bergmann 2017-09-26 6:47 ` Arnd Bergmann 2017-09-26 6:47 ` Arnd Bergmann 2017-09-26 16:49 ` Andrey Ryabinin 2017-09-26 16:49 ` Andrey Ryabinin 2017-09-27 13:26 ` Arnd Bergmann 2017-09-27 13:26 ` Arnd Bergmann 2017-09-28 13:09 ` Andrey Ryabinin 2017-09-28 13:09 ` Andrey Ryabinin 2017-09-28 14:30 ` Arnd Bergmann 2017-09-28 14:30 ` Arnd Bergmann 2017-10-02 8:33 ` Arnd Bergmann 2017-10-02 8:33 ` Arnd Bergmann 2017-10-02 8:40 ` [PATCH] string.h: work around for increased stack usage Arnd Bergmann 2017-10-02 9:02 ` Arnd Bergmann 2017-10-02 14:07 ` Andrey Ryabinin 2017-10-03 18:10 ` kbuild test robot 2017-10-03 18:10 ` kbuild test robot 2017-09-22 21:29 ` [PATCH v4 5/9] r820t: fix r820t_write_reg for KASAN Arnd Bergmann 2017-09-22 21:29 ` Arnd Bergmann 2017-09-22 21:29 ` [PATCH v4 6/9] dvb-frontends: fix i2c access helpers " Arnd Bergmann 2017-09-22 21:29 ` Arnd Bergmann 2017-09-22 21:29 ` [PATCH v4 7/9] rocker: fix rocker_tlv_put_* functions " Arnd Bergmann 2017-09-22 21:29 ` Arnd Bergmann 2017-09-26 3:19 ` David Miller 2017-09-22 21:29 ` [PATCH v4 8/9] netlink: fix nla_put_{u8,u16,u32} " Arnd Bergmann 2017-09-22 21:29 ` Arnd Bergmann 2017-09-26 3:19 ` David Miller 2017-09-22 21:29 ` [PATCH v4 9/9] kasan: rework Kconfig settings Arnd Bergmann 2017-09-26 19:36 ` Andrey Ryabinin
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