From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Xie XiuQi <xiexiuqi@huawei.com>, Hulk Robot <hulkci@huawei.com>,
Andrew Bowers <andrewx.bowers@intel.com>,
Jeff Kirsher <jeffrey.t.kirsher@intel.com>,
Sasha Levin <sashal@kernel.org>,
intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org
Subject: [PATCH AUTOSEL 4.9 46/50] ixgbe: fix signed-integer-overflow warning
Date: Mon, 8 Jun 2020 19:26:36 -0400 [thread overview]
Message-ID: <20200608232640.3370262-46-sashal@kernel.org> (raw)
In-Reply-To: <20200608232640.3370262-1-sashal@kernel.org>
From: Xie XiuQi <xiexiuqi@huawei.com>
[ Upstream commit 3b70683fc4d68f5d915d9dc7e5ba72c732c7315c ]
ubsan report this warning, fix it by adding a unsigned suffix.
UBSAN: signed-integer-overflow in
drivers/net/ethernet/intel/ixgbe/ixgbe_common.c:2246:26
65535 * 65537 cannot be represented in type 'int'
CPU: 21 PID: 7 Comm: kworker/u256:0 Not tainted 5.7.0-rc3-debug+ #39
Hardware name: Huawei TaiShan 2280 V2/BC82AMDC, BIOS 2280-V2 03/27/2020
Workqueue: ixgbe ixgbe_service_task [ixgbe]
Call trace:
dump_backtrace+0x0/0x3f0
show_stack+0x28/0x38
dump_stack+0x154/0x1e4
ubsan_epilogue+0x18/0x60
handle_overflow+0xf8/0x148
__ubsan_handle_mul_overflow+0x34/0x48
ixgbe_fc_enable_generic+0x4d0/0x590 [ixgbe]
ixgbe_service_task+0xc20/0x1f78 [ixgbe]
process_one_work+0x8f0/0xf18
worker_thread+0x430/0x6d0
kthread+0x218/0x238
ret_from_fork+0x10/0x18
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ethernet/intel/ixgbe/ixgbe_common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index 0d2baec546e1..c17135b7fca7 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
@@ -2219,7 +2219,7 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw)
}
/* Configure pause time (2 TCs per register) */
- reg = hw->fc.pause_time * 0x00010001;
+ reg = hw->fc.pause_time * 0x00010001U;
for (i = 0; i < (MAX_TRAFFIC_CLASS / 2); i++)
IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg);
--
2.25.1
next prev parent reply other threads:[~2020-06-08 23:34 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-08 23:25 [PATCH AUTOSEL 4.9 01/50] ath9x: Fix stack-out-of-bounds Write in ath9k_hif_usb_rx_cb Sasha Levin
2020-06-08 23:25 ` [PATCH AUTOSEL 4.9 02/50] ath9k: Fix use-after-free Write in ath9k_htc_rx_msg Sasha Levin
2020-06-08 23:25 ` [PATCH AUTOSEL 4.9 03/50] media: si2157: Better check for running tuner in init Sasha Levin
2020-06-08 23:25 ` [PATCH AUTOSEL 4.9 04/50] objtool: Ignore empty alternatives Sasha Levin
2020-06-08 23:25 ` [PATCH AUTOSEL 4.9 05/50] net: ena: fix error returning in ena_com_get_hash_function() Sasha Levin
2020-06-08 23:25 ` [PATCH AUTOSEL 4.9 06/50] spi: dw: Zero DMA Tx and Rx configurations on stack Sasha Levin
2020-06-08 23:25 ` [PATCH AUTOSEL 4.9 07/50] Bluetooth: Add SCO fallback for invalid LMP parameters error Sasha Levin
2020-06-08 23:25 ` [PATCH AUTOSEL 4.9 08/50] kgdb: Prevent infinite recursive entries to the debugger Sasha Levin
2020-06-08 23:25 ` [PATCH AUTOSEL 4.9 09/50] spi: dw: Enable interrupts in accordance with DMA xfer mode Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 10/50] clocksource: dw_apb_timer_of: Fix missing clockevent timers Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 11/50] btrfs: do not ignore error from btrfs_next_leaf() when inserting checksums Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 12/50] ARM: 8978/1: mm: make act_mm() respect THREAD_SIZE Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 13/50] x86/kvm/hyper-v: Explicitly align hcall param for kvm_hyperv_exit Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 14/50] net: vmxnet3: fix possible buffer overflow caused by bad DMA value in vmxnet3_get_rss() Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 15/50] staging: android: ion: use vmap instead of vm_map_ram Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 16/50] ath9k: Fix use-after-free Read in ath9k_wmi_ctrl_rx Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 17/50] ath9k: Fix general protection fault in ath9k_hif_usb_rx_cb Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 18/50] e1000: Distribute switch variables for initialization Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 19/50] dt-bindings: display: mediatek: control dpi pins mode to avoid leakage Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 20/50] media: dvb: return -EREMOTEIO on i2c transfer failure Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 21/50] media: platform: fcp: Set appropriate DMA parameters Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 22/50] MIPS: Make sparse_init() using top-down allocation Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 23/50] netfilter: nft_nat: return EOPNOTSUPP if type or flags are not supported Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 24/50] lib/mpi: Fix 64-bit MIPS build with Clang Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 25/50] perf: Add cond_resched() to task_function_call() Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 26/50] exit: Move preemption fixup up, move blocking operations down Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 27/50] net: lpc-enet: fix error return code in lpc_mii_init() Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 28/50] net: allwinner: Fix use correct return type for ndo_start_xmit() Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 29/50] powerpc/spufs: fix copy_to_user while atomic Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 30/50] ath9k_htc: Silence undersized packet warnings Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 31/50] MIPS: Truncate link address into 32bit for 32bit kernel Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 32/50] mips: cm: Fix an invalid error code of INTVN_*_ERR Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 33/50] kgdb: Fix spurious true from in_dbg_master() Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 34/50] md: don't flush workqueue unconditionally in md_open Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 35/50] rtlwifi: Fix a double free in _rtl_usb_tx_urb_setup() Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 36/50] mwifiex: Fix memory corruption in dump_station Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 37/50] x86/boot: Correct relocation destination on old linkers Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 38/50] mips: Add udelay lpj numbers adjustment Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 39/50] x86/mm: Stop printing BRK addresses Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 40/50] m68k: mac: Don't call via_flush_cache() on Mac IIfx Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 41/50] macvlan: Skip loopback packets in RX handler Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 42/50] PCI: Don't disable decoding when mmio_always_on is set Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 43/50] MIPS: Fix IRQ tracing when call handle_fpe() and handle_msa_fpe() Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 44/50] xfs: gut error handling in xfs_trans_unreserve_and_mod_sb() Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 45/50] staging: greybus: sdio: Respect the cmd->busy_timeout from the mmc core Sasha Levin
2020-06-08 23:26 ` Sasha Levin [this message]
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 47/50] mmc: sdhci-esdhc-imx: fix the mask for tuning start point Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 48/50] spi: dw: Return any value retrieved from the dma_transfer callback Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 49/50] cpuidle: Fix three reference count leaks Sasha Levin
2020-06-08 23:26 ` [PATCH AUTOSEL 4.9 50/50] vxlan: Avoid infinite loop when suppressing NS messages with invalid options Sasha Levin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200608232640.3370262-46-sashal@kernel.org \
--to=sashal@kernel.org \
--cc=andrewx.bowers@intel.com \
--cc=hulkci@huawei.com \
--cc=intel-wired-lan@lists.osuosl.org \
--cc=jeffrey.t.kirsher@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=stable@vger.kernel.org \
--cc=xiexiuqi@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox