Re: [LKP] [xarray] 93eb07f72c: RIP:__sanitizer_cov_trace_pc
On Fri, Dec 14, 2018 at 04:31:36PM +0800, kernel test robot wrote: > initrds=( > /osimage/quantal/quantal-core-x86_64-2018-11-09.cgz > /lkp/lkp/lkp-x86_64.cgz > > /osimage/pkg/debian-x86_64-2016-08-31.cgz/trinity-static-x86_64-x86_64-6ddabfd2_2017-11-10.cgz > ) > > HTTP_PREFIX=https://download.01.org/0day-ci/lkp-qemu > wget --timestamping "${initrds[@]/#/$HTTP_PREFIX}" I love that you're providing this service, but seriously, this is the third report in a row that's just wrong. --2018-12-14 08:48:21-- https://download.01.org/0day-ci/lkp-qemu/osimage/quantal/quantal-core-x86_64-2018-11-09.cgz Resolving download.01.org (download.01.org)... 104.90.64.218, 2600:1408:3000:28b::ae6, 2600:1408:3000:291::ae6 Connecting to download.01.org (download.01.org)|104.90.64.218|:443... connected. HTTP request sent, awaiting response... 404 Not Found 2018-12-14 08:48:21 ERROR 404: Not Found. --2018-12-14 08:48:21-- https://download.01.org/0day-ci/lkp-qemu/lkp/lkp/lkp-x86_64.cgz Reusing existing connection to download.01.org:443. HTTP request sent, awaiting response... 404 Not Found 2018-12-14 08:48:21 ERROR 404: Not Found.
[LKP] [xarray] 93eb07f72c: RIP:__sanitizer_cov_trace_pc
FYI, we noticed the following commit (built with gcc-7): commit: 93eb07f72c8d86f8fe5e90907df1cc037f6ffbb7 ("xarray: Move multiorder_shrink to kernel tests") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master 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 -cpu SandyBridge -smp 2 -m 768M caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): +-+++ | | d6427f8179 | 93eb07f72c | +-+++ | boot_successes | 0 | 0 | | boot_failures | 80 | 94 | | WARNING:at_mm/slab_common.c:#kmalloc_slab | 80 | 94 | | RIP:kmalloc_slab| 80 | 94 | | Mem-Info| 80 | 94 | | invoked_oom-killer:gfp_mask=0x | 65 | 52 | | Out_of_memory_and_no_killable_processes | 63 | 52 | | Kernel_panic-not_syncing:System_is_deadlocked_on_memory | 63 | 52 | | BUG:soft_lockup-CPU##stuck_for#s| 2 | 34 | | RIP:native_flush_tlb_global | 1 | | | Kernel_panic-not_syncing:softlockup:hung_tasks | 2 | 34 | | RIP:lock_acquire| 1 | 4 | | RIP:poison_obj | 0 | 1 | | RIP:__sanitizer_cov_trace_pc| 0 | 21 | | RIP:lock_release| 0 | 2 | | RIP:ftrace_likely_update| 0 | 2 | | RIP:check_xa_mark_1 | 0 | 1 | | RIP:kmem_cache_alloc| 0 | 1 | | RIP:xas_find| 0 | 2 | | INFO:task_blocked_for_more_than#seconds | 0 | 2 | +-+++ [ 105.288689] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [swapper/0:1] [ 105.288689] CPU: 0 PID: 1 Comm: swapper/0 Tainted: GW 4.19.0-rc5-00319-g93eb07f #1 [ 105.288689] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 105.288689] RIP: 0010:__sanitizer_cov_trace_pc+0x54/0x86 [ 105.288689] Code: 7e 81 e2 00 01 1f 00 75 1a 48 ff 05 32 07 e9 03 8b 81 a0 23 00 00 83 f8 02 0f 94 c0 48 ff 05 27 07 e9 03 48 ff 05 40 07 e9 03 <84> c0 74 2d 48 8b 91 a8 23 00 00 8b 89 a4 23 00 00 48 8b 02 48 ff [ 105.288689] RSP: :88002cb07d90 EFLAGS: 0207 ORIG_RAX: ff13 [ 105.288689] RAX: RBX: 88002cb07e08 RCX: 88002cb00040 [ 105.288689] RDX: RSI: 824eccbe RDI: 88002cb07e08 [ 105.288689] RBP: 003f R08: R09: [ 105.317811] R10: 88002cb07b38 R11: 0020 R12: [ 105.317811] R13: 83cd2358 R14: R15: 88ce1db0 [ 105.321794] FS: () GS:88002ce0() knlGS: [ 105.321794] CS: 0010 DS: ES: CR0: 80050033 [ 105.321794] CR2: CR3: 0346a000 CR4: 000406b0 [ 105.325769] DR0: DR1: DR2: [ 105.325769] DR3: DR6: fffe0ff0 DR7: 0400 [ 105.325769] Call Trace: [ 105.325769] xas_move_index+0xd/0x36 [ 105.329763] xas_advance+0x28/0x31 [ 105.329763] xas_find+0x282/0x2d9 [ 105.329763] check_xa_mark_1+0x9ad/0xf6a [ 105.329763] ? check_xa_alloc+0x55d/0x55d [ 105.333763] check_xa_mark+0x1b/0x45 [ 105.333763] xarray_checks+0x36/0x154 [ 105.333763] do_one_initcall+0x282/0x619 [ 105.333763] ? ftrace_likely_update+0x27a/0x2aa [ 105.333763] kernel_init_freeable+0x646/0x783 [ 105.337780] ? rest_init+0x1d4/0x1d4 [ 105.337780] kernel_init+0x12/0x21f [ 105.337780] ? rest_init+0x1d4/0x1d4 [ 105.337780] ret_from_fork+0x24/0x30 [ 105.337780] Kernel panic - not syncing: softlockup: hung tasks [ 105.341753] CPU: 0 PID: 1 Comm: swapper/0 Tainted: GWL 4.19.0-rc5-00319-g93eb07f #1 [ 105.353765] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1