* [DPDK/examples Bug 1401] [dpdk-24.03][asan] cbdma: ERROR: AddressSanitizer: SEGV on unknown address in rte_rwlock_write_lock when launch dpdk-dma
@ 2024-03-14 9:26 bugzilla
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From: bugzilla @ 2024-03-14 9:26 UTC (permalink / raw)
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https://bugs.dpdk.org/show_bug.cgi?id=1401
Bug ID: 1401
Summary: [dpdk-24.03][asan] cbdma: ERROR: AddressSanitizer:
SEGV on unknown address in rte_rwlock_write_lock when
launch dpdk-dma
Product: DPDK
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: examples
Assignee: dev@dpdk.org
Reporter: yux.jiang@intel.com
Target Milestone: ---
[Environment]
DPDK version:
a86f381b82 (HEAD -> main, tag: v24.03-rc2, origin/main, origin/HEAD) version:
24.03-rc2
Other software versions: name/version for QEMU, OVS, etc. Repeat as required.
OS: Ubuntu 22.04.3 LTS/5.15.0-92-generic
Compiler: gcc version 11.4.0
Hardware platform: Intel(R) Xeon(R) Platinum 8380 CPU @ 2.30GHz
[Test Setup]
Steps to reproduce
List the steps to reproduce the issue.
1, Build app and set randomize_va_space=0
rm -fr x86_64-native-linuxapp-gcc/
CC=gcc meson -Denable_kmods=True -Dlibdir=lib -Dbuildtype=debug
-Db_lundef=false -Db_sanitize=address --default-library=static
x86_64-native-linuxapp-gcc
meson configure -Dexamples=dma x86_64-native-linuxapp-gcc
ninja -C x86_64-native-linuxapp-gcc
echo 0 > /proc/sys/kernel/randomize_va_space
2, Bind dma to vfio-pci
./usertools/dpdk-devbind.py --force --bind=vfio-pci 0000:00:01.0 0000:00:01.1
0000:00:01.2 0000:00:01.3
3, Launch primary app
x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 5-6 -n 8 -a 0000:00:01.0 -a
0000:00:01.1 -a 0000:00:01.2 -a 0000:00:01.3
--file-prefix=dpdk_2693680_20240314155440 --vdev net_null_0
--proc-type=primary -- -i
testpmd> port stop all
4, Launch secondary app: dpdk-dma
x86_64-native-linuxapp-gcc/examples/dpdk-dma -l 5-7 -n 8 -a 0000:00:01.0 -a
0000:00:01.1 -a 0000:00:01.2 -a 0000:00:01.3
--file-prefix=dpdk_2693680_20240314155440 --proc-type=secondary --vdev
net_null_0 -- -p 0x1 -q 4 --no-mac-updating -c hw
Show the output from the previous commands:
EAL: Detected CPU lcores: 80
EAL: Detected NUMA nodes: 2
EAL: Detected static linkage of DPDK
EAL: Cannot mmap memory for rte_config at [0x7ffff4007000], got
[0x7ffff3dc9000] - please use '--base-virtaddr' option
EAL: FATAL: Cannot init config
EAL: Cannot init config
EAL: Error - exiting with code: 1
Cause: Invalid EAL arguments
AddressSanitizer:DEADLYSIGNAL
=================================================================
==2802374==ERROR: AddressSanitizer: SEGV on unknown address 0x7ffff3dc9024 (pc
0x555556ba5798 bp 0x7fffffffde90 sp 0x7fffffffde00 T0)
==2802374==The signal is caused by a READ memory access.
#0 0x555556ba5798 in rte_rwlock_write_lock
../lib/eal/include/generic/rte_rwlock.h:209
#1 0x555556ba9a82 in rte_eal_memory_detach
../lib/eal/common/eal_common_memory.c:1029
#2 0x555556c04fb5 in rte_eal_cleanup ../lib/eal/linux/eal.c:1379
#3 0x555556b8f610 in rte_exit ../lib/eal/common/eal_common_debug.c:46
#4 0x555555ec144b in main ../examples/dma/dmafwd.c:1021
#5 0x7ffff7225d8f in __libc_start_call_main
../sysdeps/nptl/libc_start_call_main.h:58
#6 0x7ffff7225e3f in __libc_start_main_impl ../csu/libc-start.c:392
#7 0x555555e89074 in _start
(/root/dpdk/x86_64-native-linuxapp-gcc/examples/dpdk-dma+0x935074)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV ../lib/eal/include/generic/rte_rwlock.h:209 in
rte_rwlock_write_lock
==2802374==ABORTING
[Expected Result]
Launch app successfully and no Asan error
[Regression]
Is this issue a regression: (Y/N) Y
Version the regression was introduced: (Need
https://bugs.dpdk.org/show_bug.cgi?id=1387's patch)
commit 52c386779fcd9f31708f1491961637c31f6bcb61 (HEAD -> 52c386779f)
Author: Damodharam Ammepalli <damodharam.ammepalli@broadcom.com>
Date: Wed Sep 20 13:27:17 2023 -0700
net/bnxt: support 400G speed for P7 devices
P7 devices report speeds over speeds2 hsi fields. Adding required
support to capture the capability from phy_qcap and save the
speeds2 fields into driver priv structure.
In fixed mode update the link_speed from force_link_speeds2 field.
Updates to logging to provide more info regarding numbers of lanes
and the link signal mode.
Some code refactoring done for PHY auto detect and displaying
XCVR information.
Signed-off-by: Damodharam Ammepalli <damodharam.ammepalli@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
if don't set echo 0 > /proc/sys/kernel/randomize_va_space, this error
disappears
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