Thank you for the report. On Sun, 25 Aug 2019 22:21:50 +0530, Mallesham Jatharakonda wrote: > Hi All, > > Am facing one tls double while using the Nitrox(cavium) card and n5pf > driver over the TLS module. > > Please see the below details: > > TLS module is crashing While running SSL record encryption using > Klts_send_[file] > > Precondition: > 1) Installed 5.3-rc4. > 2) Nitrox5 card pluggin. Presumably this card contains a crypto accelerator? Does it have any special characteristic which could help us narrow down the bug search? Before we proceed - are you able to reproduce this issue with an pure upstream kernel? It seems the kernel in the BUG report is tainted. > Steps to produce the issue: > 1) Install n5pf.ko.(drivers/crypto/cavium/nitrox) > 2) Install tls.ko if not is installed by default(net/tls) > 3) Taken uperf tool from git. > 3.1) Modified uperf to use tls module by using setsocket. > 3.2) Modified uperf tool to support sendfile with SSL. > > > Test: > 1) Running uperf with 4threads. > 2) Each Thread send the data using sendfile over SSL protocol. > > > After few seconds kernel is crashing because of record list corruption > > > [ 270.888952] ------------[ cut here ]------------ > [ 270.890450] list_del corruption, ffff91cc3753a800->prev is > LIST_POISON2 (dead000000000122) > [ 270.891194] WARNING: CPU: 1 PID: 7387 at lib/list_debug.c:50 > __list_del_entry_valid+0x62/0x90 > [ 270.892037] Modules linked in: n5pf(OE) netconsole tls(OE) bonding > intel_rapl_msr intel_rapl_common sb_edac x86_pkg_temp_thermal > intel_powerclamp coretemp kvm_intel kvm iTCO_wdt iTCO_vendor_support > irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel > aesni_intel crypto_simd mei_me cryptd glue_helper ipmi_si sg mei > lpc_ich pcspkr joydev ioatdma i2c_i801 ipmi_devintf ipmi_msghandler > wmi ip_tables xfs libcrc32c sd_mod mgag200 drm_vram_helper ttm > drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm isci > libsas ahci scsi_transport_sas libahci crc32c_intel serio_raw igb > libata ptp pps_core dca i2c_algo_bit dm_mirror dm_region_hash dm_log > dm_mod [last unloaded: nitrox_drv] > [ 270.896836] CPU: 1 PID: 7387 Comm: uperf Kdump: loaded Tainted: G > OE 5.3.0-rc4 #1
