On Mon, 1 Apr 2024 at 21:20, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > This is the start of the stable review cycle for the 6.8.3 release. > There are 399 patches in this series, all will be posted as a response > to this one. If anyone has any issues with these being applied, please > let me know. > > Responses should be made by Wed, 03 Apr 2024 15:24:46 +0000. > Anything received after that time might be too late. > > The whole patch series can be found in one patch at: > https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.8.3-rc1.gz > or in the git tree and branch at: > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.8.y > and the diffstat can be found below. > > thanks, > > greg k-h Following kernel warnings have been noticed on qemu-x86_64 while running LTP cve ioctl_sg01 tests the kernel with stable-rc 6.6.24-rc1, 6.7.12-rc1 and 6.8.3-rc1. We have started bi-secting this issue. Always reproduced. Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> ioctl_sg01.c:81: TINFO: Found SCSI device /dev/sg0 ------------[ cut here ]------------ [ 36.606841] WARNING: CPU: 0 PID: 8 at drivers/scsi/sg.c:2237 sg_remove_sfp_usercontext+0x145/0x150 [ 36.609445] Modules linked in: [ 36.610793] CPU: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.6.24-rc1 #1 [ 36.611568] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 36.612872] Workqueue: events sg_remove_sfp_usercontext [ 36.613691] RIP: 0010:sg_remove_sfp_usercontext+0x145/0x150 <trim> [ 36.621539] Call Trace: [ 36.621953] <TASK> [ 36.622444] ? show_regs+0x69/0x80 [ 36.622819] ? __warn+0x8d/0x150 [ 36.623078] ? sg_remove_sfp_usercontext+0x145/0x150 [ 36.623558] ? report_bug+0x171/0x1a0 [ 36.623881] ? handle_bug+0x42/0x80 [ 36.624070] ? exc_invalid_op+0x1c/0x70 [ 36.624491] ? asm_exc_invalid_op+0x1f/0x30 [ 36.624897] ? sg_remove_sfp_usercontext+0x145/0x150 [ 36.625408] process_one_work+0x141/0x300 [ 36.625769] worker_thread+0x2f6/0x430 [ 36.626073] ? __pfx_worker_thread+0x10/0x10 [ 36.626529] kthread+0x105/0x140 [ 36.626778] ? __pfx_kthread+0x10/0x10 [ 36.627059] ret_from_fork+0x41/0x60 [ 36.627441] ? __pfx_kthread+0x10/0x10 [ 36.627735] ret_from_fork_asm+0x1b/0x30 [ 36.628293] </TASK> [ 36.628604] ---[ end trace 0000000000000000 ]--- ioctl_sg01.c:122: TPASS: Output buffer is empty, no data leaked Suspecting commit: ----- scsi: sg: Avoid sg device teardown race commit 27f58c04a8f438078583041468ec60597841284d upstream. + WARN_ON_ONCE(kref_read(&sdp->d_ref) != 1); Steps to reproduce: - https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/tests/2eVWFlAeOUepfeFVkrOXFYNNAqI/reproducer Links: - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.6.y/build/v6.6.23-397-g75a2533b74d0/testrun/23255318/suite/log-parser-test/tests/ - https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/tests/2eVTitwVMagaiWhs5T2iKH390D5 -- Linaro LKFT https://lkft.linaro.org