FYI, we noticed the following commit: commit: 3fe1a9f7f214a59c6cb2eba04847ef6d4c326be0 ("perf: Container-aware tracing support") url: https://github.com/0day-ci/linux/commits/Aravinda-Prasad/perf-Container-aware-tracing-support/20170113-095325 in testcase: trinity with following parameters: runtime: 300s test-description: Trinity is a linux system call fuzz tester. test-url: http://codemonkey.org.uk/projects/trinity/ on test machine: qemu-system-x86_64 -enable-kvm -m 320M caused below changes: +------------------------------------------+------------+------------+ | | ba836a6f5a | 3fe1a9f7f2 | +------------------------------------------+------------+------------+ | boot_successes | 11 | 0 | | boot_failures | 1 | 10 | | invoked_oom-killer:gfp_mask=0x | 1 | | | Mem-Info | 1 | | | BUG:unable_to_handle_kernel | 0 | 10 | | Oops:#[##] | 0 | 10 | | Kernel_panic-not_syncing:Fatal_exception | 0 | 10 | +------------------------------------------+------------+------------+ [ 58.122740] [main] start: 0xb6513000 size:4KB name: anon(PROT_READ) [ 58.152950] genirq: Flags mismatch irq 4. 00000000 (serial) vs. 00000080 (goldfish_pdev_bus) [ 58.219024] trinity-main uses obsolete (PF_INET,SOCK_PACKET) [ 58.223591] BUG: unable to handle kernel paging request at d40dff04 [ 58.224302] IP: perf_event_time+0x17/0x2f [ 58.224802] *pdpt = 00000000018c1001 *pde = 0000000000000000 [ 58.224803] [ 58.225752] Oops: 0000 [#1] [ 58.226160] Modules linked in: [ 58.226588] CPU: 0 PID: 1324 Comm: trinity-main Not tainted 4.10.0-rc3-00127-g3fe1a9f #2 [ 58.227556] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014 [ 58.228715] task: cef3a440 task.stack: cefe0000 [ 58.229262] EIP: perf_event_time+0x17/0x2f [ 58.229765] EFLAGS: 00010086 CPU: 0 [ 58.230227] EAX: d40dff00 EBX: ce020c00 ECX: ceff8b40 EDX: ceff8b40 [ 58.230910] ESI: ceff8b40 EDI: ceff5400 EBP: cefe1e44 ESP: cefe1e40 [ 58.231591] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068 [ 58.232203] CR0: 80050033 CR2: d40dff04 CR3: 0eeb94a0 CR4: 000006f0 [ 58.232885] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 58.233574] DR6: fffe0ff0 DR7: 00000400 [ 58.234056] Call Trace: [ 58.234424] add_event_to_ctx+0x12/0x137 [ 58.234918] inherit_event+0x120/0x153 [ 58.235449] inherit_group+0x18/0x5b To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/lkp qemu -k job-script # job-script is attached in this email Thanks, Xiaolong