[Kernel-packages] [Bug 1876856] Re: xenial: soft lockup in check_unsafe_exec()

2021-01-02 Thread Vasily Averin
issue was reproduced once again, now on 4.4.0-197 kernel -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1876856 Title: xenial: soft lockup in check_unsafe_exec() Status in linux

[Kernel-packages] [Bug 1876856] Re: xenial: soft lockup in check_unsafe_exec()

2020-06-15 Thread Vasily Averin
issue was reproduced once again on 4.4.0-184 kernel -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1876856 Title: xenial: soft lockup in check_unsafe_exec() Status in linux package in

[Kernel-packages] [Bug 1876856] Re: xenial: soft lockup in check_unsafe_exec()

2020-05-08 Thread Vasily Averin
Unfortunately I'm unable to verify your changes here. Our QA cannot quickly update the failed tests to use custom kernel inside VM. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1876856

[Kernel-packages] [Bug 1877070] [NEW] kmalloc-192 slab corruption inside VM with QXL driver

2020-05-06 Thread Vasily Averin
Public bug reported: I would like to ask to backport following patch into ubuntu kernels: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=933db73351d359f74b14f4af095808260aff11f9 This bug silently corrupts memory in kmalloc-192 objects. we observed several such

[Kernel-packages] [Bug 1672819] Re: exec'ing a setuid binary from a threaded program sometimes fails to setuid

2020-05-05 Thread Vasily Averin
submitted https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1876856 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1672819 Title: exec'ing a setuid binary from a threaded program

[Kernel-packages] [Bug 1876856] Re: xenial: soft lockup in check_unsafe_exec()

2020-05-05 Thread Vasily Averin
** Changed in: linux (Ubuntu) Status: Incomplete => Invalid ** Changed in: linux (Ubuntu) Status: Invalid => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1876856

[Kernel-packages] [Bug 1876856] [NEW] xenial: soft lockup in check_unsafe_exec()

2020-05-04 Thread Vasily Averin
Public bug reported: Endless cycle was detected few times during ubuntu 16.04 testing insied openvz VMs dmesg output and crash dump ivestigation shows that foolowing ubuntu 16.04.patch is guilty commit d6572202d986a84feda4cf7e6ce0bebaa18cb8fe Author: Colin Ian King Date: Fri May 12 15:51:56

[Kernel-packages] [Bug 1672819] Re: exec'ing a setuid binary from a threaded program sometimes fails to setuid

2020-05-04 Thread Vasily Averin
Guys, your commit d6572202d986 ("UBUNTU:SAUCE: exec: ensure file system accounting in check_unsafe_exec is correct") looks wrong for me, it leads to endless cycle in check_unsafe_exec(). fs/exec.c:: check_unsafe_exec() ... recheck: fs_recheck = false; t = p; n_fs = 1;

[Kernel-packages] [Bug 1734147] Re: Ubuntu 17.10 corrupting BIOS - many LENOVO laptops models

2017-12-24 Thread Vasily
Same problem with Asus K501LB-DM141D notebook :( -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1734147 Title: Ubuntu 17.10 corrupting BIOS - many LENOVO laptops models Status in