2023-01-25 15:11:53

by Naresh Kamboju

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Subject: next-20230124: LTP: shmctl01.c:120: TFAIL: after child shmdt() shm_nattcg=20 expected 0

LTP syscalls shmctl01 test failed on Linux next-20230124 tag across all the
available architectures with following error logs,

tst_test.c:1524: TINFO: Timeout per run is 0h 05m 00s
shmctl01.c:256: TINFO: shm_id=9 maps to kernel index=9
shmctl01.c:220: TINFO: Basic checks
shmctl01.c:175: TPASS: IPC_STAT: shm_segsz=2048
shmctl01.c:182: TPASS: IPC_STAT: shm_cpid=103946
shmctl01.c:189: TPASS: IPC_STAT: shm_ctime=1674621556 in range
<1674621556,1674621556>
shmctl01.c:175: TPASS: SHM_STAT: shm_segsz=2048
shmctl01.c:182: TPASS: SHM_STAT: shm_cpid=103946
shmctl01.c:189: TPASS: SHM_STAT: shm_ctime=1674621556 in range
<1674621556,1674621556>
shmctl01.c:220: TINFO: Children attach SHM
shmctl01.c:116: TPASS: before child shmat() shm_nattch=0
shmctl01.c:116: TPASS: after child shmat() shm_nattch=20
shmctl01.c:120: TFAIL: after child shmdt() shm_nattcg=20 expected 0
shmctl01.c:220: TINFO: Chidlren inherit SHM
shmctl01.c:116: TPASS: inherited after fork() shm_nattch=21
shmctl01.c:120: TFAIL: after child shmdt() shm_nattcg=21 expected 1
shmctl01.c:120: TFAIL: after parent shmdt() shm_nattcg=21 expected 0

Reported-by: Linux Kernel Functional Testing <[email protected]>

Test logs:
https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230124/testrun/14344836/suite/ltp-syscalls/test/shmat01/details/
https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230125/testrun/14356742/suite/ltp-syscalls/test/shmat01/log

Test history:
https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230125/testrun/14356742/suite/ltp-syscalls/test/shmat01/history/

metadata:
git_ref: master
git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
git_sha: a54df7622717a40ddec95fd98086aff8ba7839a6
git_describe: next-20230124
kernel_version: 6.2.0-rc5
kernel-config:
https://storage.tuxsuite.com/public/linaro/lkft/builds/2Kl19cvIBraXOcZpBGCPzCajGAs/config
build-url: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next/-/pipelines/755587911
artifact-location:
https://storage.tuxsuite.com/public/linaro/lkft/builds/2Kl19cvIBraXOcZpBGCPzCajGAs/
toolchain: gcc-11

--
Linaro LKFT
https://lkft.linaro.org


2023-01-25 15:23:53

by Arnd Bergmann

[permalink] [raw]
Subject: Re: next-20230124: LTP: shmctl01.c:120: TFAIL: after child shmdt() shm_nattcg=20 expected 0

On Wed, Jan 25, 2023, at 16:11, Naresh Kamboju wrote:
> LTP syscalls shmctl01 test failed on Linux next-20230124 tag across all the
> available architectures with following error logs,
>
> tst_test.c:1524: TINFO: Timeout per run is 0h 05m 00s
> shmctl01.c:256: TINFO: shm_id=9 maps to kernel index=9
> shmctl01.c:220: TINFO: Basic checks
> shmctl01.c:175: TPASS: IPC_STAT: shm_segsz=2048
> shmctl01.c:182: TPASS: IPC_STAT: shm_cpid=103946
> shmctl01.c:189: TPASS: IPC_STAT: shm_ctime=1674621556 in range
> <1674621556,1674621556>
> shmctl01.c:175: TPASS: SHM_STAT: shm_segsz=2048
> shmctl01.c:182: TPASS: SHM_STAT: shm_cpid=103946
> shmctl01.c:189: TPASS: SHM_STAT: shm_ctime=1674621556 in range
> <1674621556,1674621556>
> shmctl01.c:220: TINFO: Children attach SHM
> shmctl01.c:116: TPASS: before child shmat() shm_nattch=0
> shmctl01.c:116: TPASS: after child shmat() shm_nattch=20
> shmctl01.c:120: TFAIL: after child shmdt() shm_nattcg=20 expected 0
> shmctl01.c:220: TINFO: Chidlren inherit SHM
> shmctl01.c:116: TPASS: inherited after fork() shm_nattch=21
> shmctl01.c:120: TFAIL: after child shmdt() shm_nattcg=21 expected 1
> shmctl01.c:120: TFAIL: after parent shmdt() shm_nattcg=21 expected 0
>
> Reported-by: Linux Kernel Functional Testing <[email protected]>
>

$ git log ..next-20230125 --stat --stat ipc/

commit 823fb3d78226e9b89c6a707654bd3284b06aef61
Author: Liam R. Howlett <[email protected]>
Date: Fri Jan 20 11:26:16 2023 -0500

ipc/shm: use the vma iterator for munmap calls

Pass through the vma iterator to do_vmi_munmap() to handle the iterator
state internally

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Liam R. Howlett <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

ipc/shm.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)

Sven Schnelle also reported this earlier today:

https://lore.kernel.org/all/20230125134558.mm3dopfa7cxqux5h@revolver/

Arnd

> Test logs:
> https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230124/testrun/14344836/suite/ltp-syscalls/test/shmat01/details/
> https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230125/testrun/14356742/suite/ltp-syscalls/test/shmat01/log
>
> Test history:
> https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230125/testrun/14356742/suite/ltp-syscalls/test/shmat01/history/
>
> metadata:
> git_ref: master
> git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
> git_sha: a54df7622717a40ddec95fd98086aff8ba7839a6
> git_describe: next-20230124
> kernel_version: 6.2.0-rc5
> kernel-config:
> https://storage.tuxsuite.com/public/linaro/lkft/builds/2Kl19cvIBraXOcZpBGCPzCajGAs/config
> build-url:
> https://gitlab.com/Linaro/lkft/mirrors/next/linux-next/-/pipelines/755587911
> artifact-location:
> https://storage.tuxsuite.com/public/linaro/lkft/builds/2Kl19cvIBraXOcZpBGCPzCajGAs/
> toolchain: gcc-11
>
> --
> Linaro LKFT
> https://lkft.linaro.org