On Wed, Sep 02, 2020 at 11:14:54AM +0530, Naresh Kamboju wrote: > On Tue, 1 Sep 2020 at 21:06, Greg Kroah-Hartman > <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > > > This is the start of the stable review cycle for the 5.8.6 release. > > There are 255 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 Thu, 03 Sep 2020 15:09:01 +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/v5.x/stable-review/patch-5.8.6-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-5.8.y > > and the diffstat can be found below. > > > > thanks, > > > > greg k-h > > > > While running LTP CVE test suite on i386 this BUG triggered > after the known warning. Please find below full test log link [1]. > This was reported on the mailing list on next-20200811 but > did not get any reply [2]. > > [ 138.177043] ------------[ cut here ]------------ > [ 138.181675] WARNING: CPU: 1 PID: 8301 at mm/mremap.c:230 > move_page_tables+0x6ef/0x720 > [ 138.189515] Modules linked in: x86_pkg_temp_thermal > [ 138.194436] CPU: 1 PID: 8301 Comm: true Not tainted 5.8.6-rc1 #1 > [ 138.194437] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS > 2.2 05/23/2018 > [ 138.194439] EIP: move_page_tables+0x6ef/0x720 > > <> > > [ 802.156512] BUG: unable to handle page fault for address: fe402000 > [ 802.162703] #PF: supervisor write access in kernel mode > [ 802.167927] #PF: error_code(0x0002) - not-present page > [ 802.173064] *pde = 23e61067 *pte = 64b32163 > [ 802.177329] Oops: 0002 [#1] SMP > [ 802.180469] CPU: 1 PID: 13118 Comm: cve-2017-17053 Tainted: G > W 5.8.6-rc1 #1 > [ 802.188811] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS > 2.2 05/23/2018 > [ 802.196199] EIP: memcpy+0x14/0x30 > [ 802.199517] Code: e8 a1 72 c5 ff 0f 31 31 c3 59 58 eb 85 cc cc cc > cc cc cc cc cc cc 3e 8d 74 26 00 55 89 e5 57 89 c7 56 89 d6 53 89 cb > c1 e9 02 <f3> a5 89 d9 83 e1 03 74 02 f3 a4 5b 5e 5f 5d c3 8d b4 26 00 > 00 00 > [ 802.218259] EAX: fe402000 EBX: 00010000 ECX: 00004000 EDX: fb3dd000 > [ 802.224518] ESI: fb3dd000 EDI: fe402000 EBP: ea799ddc ESP: ea799dd0 > [ 802.230773] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00010206 > [ 802.237551] CR0: 80050033 CR2: fe402000 CR3: 1eee9000 CR4: 003406d0 > [ 802.243809] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 > [ 802.250065] DR6: fffe0ff0 DR7: 00000400 > [ 802.253897] Call Trace: > [ 802.256345] ldt_dup_context+0x6b/0x90 > [ 802.260093] dup_mm+0x2b3/0x480 > [ 802.263230] copy_process+0x13d6/0x1650 > [ 802.267062] _do_fork+0x7b/0x3b0 > [ 802.270284] ? set_next_entity+0xa9/0x250 > [ 802.274290] __ia32_sys_clone+0x77/0xa0 > [ 802.278119] do_syscall_32_irqs_on+0x3d/0x250 > [ 802.282472] ? do_fast_syscall_32+0x2d/0xc0 > [ 802.286656] ? trace_hardirqs_on+0x30/0xf0 > [ 802.290746] ? trace_hardirqs_off_finish+0x32/0xa0 > [ 802.295533] ? do_SYSENTER_32+0x15/0x20 > [ 802.299371] do_fast_syscall_32+0x49/0xc0 > [ 802.303374] do_SYSENTER_32+0x15/0x20 > [ 802.307032] entry_SYSENTER_32+0x9f/0xf2 > [ 802.310956] EIP: 0xb7fbb549 > [ 802.313747] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 > 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f > 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d 76 00 58 b8 77 00 00 00 cd 80 90 > 8d 76 > [ 802.332483] EAX: ffffffda EBX: 01200011 ECX: 00000000 EDX: 00000000 > [ 802.338742] ESI: 00000000 EDI: b7dbdba8 EBP: b7dbd348 ESP: b7dbd2f0 > [ 802.344998] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000246 > [ 802.351776] Modules linked in: algif_hash x86_pkg_temp_thermal > [ 802.357608] CR2: 00000000fe402000 > [ 802.360920] ---[ end trace ea48459ba50c2a87 ]--- > [ 802.365542] EIP: memcpy+0x14/0x30 > [ 802.368858] Code: e8 a1 72 c5 ff 0f 31 31 c3 59 58 eb 85 cc cc cc > cc cc cc cc cc cc 3e 8d 74 26 00 55 89 e5 57 89 c7 56 89 d6 53 89 cb > c1 e9 02 <f3> a5 89 d9 83 e1 03 74 02 f3 a4 5b 5e 5f 5d c3 8d b4 26 00 > 00 00 > [ 802.387593] EAX: fe402000 EBX: 00010000 ECX: 00004000 EDX: fb3dd000 > [ 802.393852] ESI: fb3dd000 EDI: fe402000 EBP: ea799ddc ESP: ea799dd0 > [ 802.400107] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00010206 > [ 802.406887] CR0: 80050033 CR2: fe402000 CR3: 1eee9000 CR4: 003406d0 > [ 802.413143] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 > [ 802.419400] DR6: fffe0ff0 DR7: 00000400 > > full test log, > [1] https://qa-reports.linaro.org/lkft/linux-stable-rc-5.8-oe/build/v5.8.5-256-gad57c5b5e64d/testrun/3148295/suite/linux-log-parser/test/check-kernel-bug-1727425/log > > [2] https://lore.kernel.org/linux-mm/CA+G9fYsiNgoh09h0paf1+UTKhPnn490QCoLB2dRFhMT+Cjh9RA@xxxxxxxxxxxxxx/ As this also triggers on mainline/Linus's tree, I'll just let it be for now, thanks! greg k-h
