On Mon, 10 Aug 2020 at 21:00, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > This is the start of the stable review cycle for the 4.19.139 release. > There are 48 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, 12 Aug 2020 15:17:47 +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/v4.x/stable-review/patch-4.19.139-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-4.19.y > and the diffstat can be found below. > > thanks, > > greg k-h Results from Linaro’s test farm. Regressions on x86_64. We have added LTP tracing test suite this week and started noticing kernel BUG on x86_64 KASAN enabled kernel. Which means this issue might not be specific to this release candidate. [ 90.134426] ================================================================== [ 90.141651] BUG: KASAN: use-after-free in trace_stack_print+0x133/0x150 [ 90.148264] Read of size 8 at addr ffff888228015ffc by task cat/3569 [ 90.154613] [ 90.156106] CPU: 3 PID: 3569 Comm: cat Not tainted 4.19.139-rc1 #1 [ 90.162278] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.2 05/23/2018 [ 90.169669] Call Trace: [ 90.172115] dump_stack+0x7d/0xaa [ 90.175463] print_address_description+0x67/0x229 [ 90.180165] ? trace_stack_print+0x133/0x150 [ 90.184460] kasan_report.cold+0xae/0x2fe [ 90.188469] __asan_load8+0x54/0x90 [ 90.191959] trace_stack_print+0x133/0x150 [ 90.196051] print_trace_line+0x3c7/0x930 [ 90.200063] ? tracing_buffers_read+0x310/0x310 [ 90.204589] tracing_read_pipe+0x2db/0x530 [ 90.208687] __vfs_read+0xe5/0x3c0 [ 90.212093] ? __x64_sys_copy_file_range+0x360/0x360 [ 90.217059] ? fsnotify+0x7cb/0x7f0 [ 90.220550] ? _cond_resched+0x14/0x30 [ 90.224296] ? __inode_security_revalidate+0x5d/0x70 [ 90.229262] ? avc_policy_seqno+0x21/0x30 [ 90.233273] ? security_file_permission+0xc6/0xf0 [ 90.237970] ? security_file_permission+0xc6/0xf0 [ 90.242667] ? rw_verify_area+0x73/0x140 [ 90.246584] vfs_read+0xc8/0x1d0 [ 90.249808] ksys_read+0xbb/0x170 [ 90.253120] ? kernel_write+0xa0/0xa0 [ 90.256786] ? __audit_syscall_exit+0x3bb/0x430 [ 90.261320] __x64_sys_read+0x3e/0x50 [ 90.264985] do_syscall_64+0x63/0x160 [ 90.268649] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.273693] RIP: 0033:0x7f9596d9e071 [ 90.277266] Code: fe ff ff 48 8d 3d 3f 71 09 00 48 83 ec 08 e8 26 ee 01 00 66 0f 1f 44 00 00 48 8d 05 91 e8 2c 00 8b 00 85 c0 75 13 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 57 c3 66 0f 1f 44 00 00 41 54 49 89 d4 55 48 [ 90.296011] RSP: 002b:00007ffee5028688 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 90.303575] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007f9596d9e071 [ 90.310699] RDX: 0000000000020000 RSI: 00007f9597269000 RDI: 0000000000000006 [ 90.317823] RBP: 0000000000020000 R08: 00000000ffffffff R09: 0000000000000000 [ 90.324947] R10: 00000000000008c6 R11: 0000000000000246 R12: 00007f9597269000 [ 90.332071] R13: 0000000000000006 R14: 0000000000000f8e R15: 0000000000020000 [ 90.339194] [ 90.340684] The buggy address belongs to the page: [ 90.345470] page:ffffea0008a00540 count:1 mapcount:0 mapping:0000000000000000 index:0x0 [ 90.353461] flags: 0x200000000000000() [ 90.357215] raw: 0200000000000000 dead000000000100 dead000000000200 0000000000000000 [ 90.364952] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 90.372681] page dumped because: kasan: bad access detected [ 90.378245] [ 90.379736] Memory state around the buggy address: [ 90.384523] ffff888228015f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 90.391741] ffff888228015f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 90.398951] >ffff888228016000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 90.406161] ^ [ 90.409407] ffff888228016080: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 90.416665] ffff888228016100: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 90.423876] ================================================================== [ 90.431095] Disabling lock debugging due to kernel taint steps to reproduce: - boot x86_64 with kasan enabled 4.19 stable kernel - cd /opt/ltp - ./runltp -f tracing Full test log link, https://qa-reports.linaro.org/lkft/linux-stable-rc-4.19-oe/build/v4.19.138-49-gb0e1bc72f7dd/testrun/3050053/suite/linux-log-parser/test/check-kernel-bug-1656536/log kernel-config link, https://builds.tuxbuild.com/BDfU1nbOpLG7hFIf-nv5dQ/kernel.config Summary ------------------------------------------------------------------------ kernel: 4.19.139-rc1 git repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git branch: linux-4.19.y git commit: b0e1bc72f7ddff40c7c5b68313d3ac76495d678d git describe: v4.19.138-49-gb0e1bc72f7dd Test details: https://qa-reports.linaro.org/lkft/linux-stable-rc-4.19-oe/build/v4.19.138-49-gb0e1bc72f7dd No fixes (compared to build v4.19.138) Ran 34683 total tests in the following environments and test suites. Environments -------------- - dragonboard-410c - arm64 - hi6220-hikey - arm64 - i386 - juno-r2 - arm64 - juno-r2-compat - juno-r2-kasan - nxp-ls2088 - qemu_arm - qemu_arm64 - qemu_i386 - qemu_x86_64 - x15 - arm - x86_64 - x86-kasan Test Suites ----------- * build * igt-gpu-tools * install-android-platform-tools-r2600 * kselftest * kselftest/drivers * kselftest/filesystems * kselftest/net * kvm-unit-tests * linux-log-parser * ltp-cap_bounds-tests * ltp-containers-tests * ltp-cpuhotplug-tests * ltp-crypto-tests * ltp-cve-tests * ltp-ipc-tests * ltp-nptl-tests * ltp-pty-tests * ltp-sched-tests * ltp-securebits-tests * ltp-syscalls-tests * ltp-tracing-tests * v4l2-compliance * ltp-commands-tests * ltp-controllers-tests * ltp-dio-tests * ltp-fcntl-locktests-tests * ltp-filecaps-tests * ltp-fs-tests * ltp-fs_bind-tests * ltp-fs_perms_simple-tests * ltp-fsx-tests * ltp-io-tests * ltp-math-tests * network-basic-tests * perf * libhugetlbfs * ltp-hugetlb-tests * ltp-mm-tests * ltp-open-posix-tests * ssuite * kselftest-vsyscall-mode-native * kselftest-vsyscall-mode-native/drivers * kselftest-vsyscall-mode-native/filesystems * kselftest-vsyscall-mode-native/net * kselftest-vsyscall-mode-none * kselftest-vsyscall-mode-none/drivers * kselftest-vsyscall-mode-none/filesystems * kselftest-vsyscall-mode-none/net -- Linaro LKFT https://lkft.linaro.org
