Testing on Bionic
=================
$ lsb_release -cs
bionic
$ uname -rv
4.15.0-66-generic #75-Ubuntu SMP Tue Oct 1 05:24:09 UTC 2019
Original: (ETIMEDOUT causes unsuccessful run)
--------
$ dpkg -s stress-ng | grep Version:
Version: 0.09.25-1ubuntu4
$ stress-ng --af-alg 2 -t 120
$ sudo modprobe -r md4
$ sudo insmod kmod.ko
$ strace -e bind -o stress-ng_strace_bind.updates_kmod -f -- stress-ng --af-alg
2 -t 120
stress-ng: info: [24185] dispatching hogs: 2 af-alg
stress-ng: fail: [24187] stress-ng-af-alg: bind failed, errno=110 (Connection
timed out)
stress-ng: error: [24185] process 24187 (stress-ng-af_alg) terminated with an
error, exit status=1 (stress-ng core failure)
stress-ng: info: [24185] unsuccessful run completed in 120.12s (2 mins, 0.12
secs)
$ sudo rmmod kmod
$ grep -e ETIMEDOUT -e 'exited with' stress-ng_strace_bind.updates_kmod
24187 <... bind resumed> ) = -1 ETIMEDOUT (Connection timed out)
24187 +++ exited with 1 +++
24186 +++ exited with 0 +++
24185 +++ exited with 2 +++
Console:
[ 1447.068493] hello
[ 1454.324451] security_kernel_module_request() module 'crypto-md4', comm
'stress-ng-af-al', pid '24187', (original) return value '0'
[ 1454.329008] security_kernel_module_request() module 'crypto-md4', comm
'stress-ng-af-al', pid '24186', (original) return value '0'
[ 1454.332156] security_kernel_module_request() module 'crypto-md4', comm
'stress-ng-af-al', pid '24187', (modified) return value '-62' (FIRST PID) --
ensure crypto_larval_lookup() calls crypto_larval_add().
[ 1454.335468] security_kernel_module_request() module 'crypto-md4', comm
'stress-ng-af-al', pid '24186', sleep for 10 seconds (OTHER PID) -- wait FIRST
PID/crypto_larval_add()/down_write(&crypto_rwsem)
[ 1454.344373] down_write(&crypto_alg_sem) in FIRST PID, FIRST CALL. sleep 15
seconds -- wait OTHER PID/__crypto_register_alg()
[ 1464.467346] security_kernel_module_request() module 'crypto-md4', comm
'stress-ng-af-al', pid '24186', slept for 10 seconds (OTHER PID)
[ 1464.485379] crypto_alg_tested("md4-generic"), sleep 70 seconds. pid = 24190
-- expire the 60-second timeout of
FIRST_PID/crypto_larval_add()/crypto_larval_wait()
[ 1469.587269] down_write(&crypto_alg_sem) in FIRST PID, FIRST CALL. slept 15
seconds
[ 1534.610212] crypto_alg_tested("md4-generic"), slept 70 seconds
[ 1534.788821] CPU feature 'AVX registers' is not supported.
[ 1616.714910] bye
Modified: (ETIMEDOUT but still successful run)
--------
$ sudo reboot
$ apt-cache madison stress-ng | grep ppa
stress-ng | 0.09.25-1ubuntu5 | http://ppa.launchpad.net/mfo/lp1851553/ubuntu
bionic/main amd64 Packages
$ apt install stress-ng
$ dpkg -s stress-ng | grep Version:
Version: 0.09.25-1ubuntu5
$ stress-ng --af-alg 2 -t 120
$ sudo modprobe -r md4
$ sudo insmod kmod.ko
$ strace -e bind -o stress-ng_strace_bind.test-ppa_kmod -f -- stress-ng
--af-alg 2 -t 120
stress-ng: info: [5263] dispatching hogs: 2 af-alg
stress-ng: info: [5263] successful run completed in 120.15s (2 mins, 0.15 secs)
$ sudo rmmod kmod
$ grep -e ETIMEDOUT -e 'exited with' stress-ng_strace_bind.test-ppa_kmod
5265 <... bind resumed> ) = -1 ETIMEDOUT (Connection timed out)
5265 +++ exited with 0 +++
5264 +++ exited with 0 +++
5263 +++ exited with 0 +++
Console:
[ 181.908670] security_kernel_module_request() module 'crypto-md4', comm
'stress-ng-af-al', pid '5265', (original) return value '0'
[ 181.913681] security_kernel_module_request() module 'crypto-md4', comm
'stress-ng-af-al', pid '5264', (original) return value '0'
[ 181.915063] security_kernel_module_request() module 'crypto-md4', comm
'stress-ng-af-al', pid '5265', (modified) return value '-62' (FIRST PID) --
ensure crypto_larval_lookup() calls crypto_larval_add().
[ 181.918165] security_kernel_module_request() module 'crypto-md4', comm
'stress-ng-af-al', pid '5264', sleep for 10 seconds (OTHER PID) -- wait FIRST
PID/crypto_larval_add()/down_write(&crypto_rwsem)
[ 181.925744] down_write(&crypto_alg_sem) in FIRST PID, FIRST CALL. sleep 15
seconds -- wait OTHER PID/__crypto_register_alg()
[ 191.964132] security_kernel_module_request() module 'crypto-md4', comm
'stress-ng-af-al', pid '5264', slept for 10 seconds (OTHER PID)
[ 191.979817] crypto_alg_tested("md4-generic"), sleep 70 seconds. pid = 5269
-- expire the 60-second timeout of
FIRST_PID/crypto_larval_add()/crypto_larval_wait()
[ 197.084134] down_write(&crypto_alg_sem) in FIRST PID, FIRST CALL. slept 15
seconds
[ 263.132190] crypto_alg_tested("md4-generic"), slept 70 seconds
[ 263.342852] CPU feature 'AVX registers' is not supported.
[ 263.396340] CPU feature 'AVX registers' is not supported.
[ 395.333437] bye
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https://bugs.launchpad.net/bugs/1851553
Title:
stress-ng-af-alg: bind failed, errno=110 (Connection timed out)
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