Warning: Permanently added '10.128.15.199' (ECDSA) to the list of known hosts. 2019/10/14 15:50:09 fuzzer started 2019/10/14 15:50:10 dialing manager at 10.128.0.105:43961 2019/10/14 15:50:10 syscalls: 2523 2019/10/14 15:50:10 code coverage: enabled 2019/10/14 15:50:10 comparison tracing: enabled 2019/10/14 15:50:10 extra coverage: extra coverage is not supported by the kernel 2019/10/14 15:50:10 setuid sandbox: enabled 2019/10/14 15:50:10 namespace sandbox: enabled 2019/10/14 15:50:10 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/14 15:50:10 fault injection: enabled 2019/10/14 15:50:10 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/14 15:50:10 net packet injection: enabled 2019/10/14 15:50:10 net device setup: enabled 2019/10/14 15:50:10 concurrency sanitizer: enabled gin: [ 46.544521][ C0] ================================================================== [ 46.552659][ C0] BUG: KCSAN: data-race in __zone_watermark_ok / free_one_page [ 46.560223][ C0] [ 46.562661][ C0] write to 0xffff88812fffcf58 of 8 bytes by task 7252 on cpu 1: [ 46.570367][ C0] free_one_page+0x214/0x840 [ 46.574937][ C0] __free_pages_ok+0x370/0x640 [ 46.579679][ C0] free_compound_page+0x3d/0x50 [ 46.585119][ C0] __put_compound_page+0x4e/0x70 [ 46.590191][ C0] __put_page+0x54/0xd0 [ 46.594329][ C0] skb_release_data+0x1ba/0x3a0 [ 46.599158][ C0] skb_release_all+0x44/0x60 [ 46.603731][ C0] __kfree_skb+0x1f/0x30 [ 46.607954][ C0] tcp_recvmsg+0xf59/0x1a30 [ 46.612433][ C0] inet_recvmsg+0xbb/0x250 [ 46.616822][ C0] sock_recvmsg+0x92/0xb0 [ 46.621137][ C0] sock_read_iter+0x15f/0x1e0 [ 46.625796][ C0] new_sync_read+0x389/0x4f0 [ 46.630361][ C0] __vfs_read+0xb1/0xc0 [ 46.634502][ C0] [ 46.637067][ C0] read to 0xffff88812fffcf58 of 8 bytes by interrupt on cpu 0: [ 46.644589][ C0] __zone_watermark_ok+0x106/0x240 [ 46.649679][ C0] get_page_from_freelist+0x629/0x2300 [ 46.655113][ C0] __alloc_pages_nodemask+0x255/0x4d0 [ 46.660474][ C0] page_frag_alloc+0x11e/0x2d0 [ 46.665211][ C0] __napi_alloc_skb+0x172/0x210 [ 46.670052][ C0] page_to_skb+0x8d/0x480 [ 46.674368][ C0] receive_buf+0x17c7/0x30b0 [ 46.678933][ C0] virtnet_poll+0x436/0x7d0 [ 46.683420][ C0] net_rx_action+0x3ae/0xa50 [ 46.687987][ C0] __do_softirq+0x115/0x33f [ 46.692467][ C0] run_ksoftirqd+0x46/0x60 [ 46.697087][ C0] smpboot_thread_fn+0x37d/0x4a0 [ 46.702022][ C0] kthread+0x1d4/0x200 [ 46.706063][ C0] [ 46.708373][ C0] Reported by Kernel Concurrency Sanitizer on: [ 46.714525][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.3.0+ #0 [ 46.721442][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.731490][ C0] ================================================================== [ 46.739543][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 46.746398][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.3.0+ #0 [ 46.753318][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.765019][ C0] Call Trace: [ 46.768298][ C0] dump_stack+0xf5/0x159 [ 46.772960][ C0] panic+0x209/0x639 [ 46.776841][ C0] ? net_rx_action+0x3ae/0xa50 [ 46.781583][ C0] ? vprintk_func+0x8d/0x140 [ 46.786170][ C0] kcsan_report.cold+0xc/0x1b [ 46.791879][ C0] __kcsan_setup_watchpoint+0x3ee/0x510 [ 46.797411][ C0] __tsan_read8+0x2c/0x30 [ 46.801823][ C0] __zone_watermark_ok+0x106/0x240 [ 46.806915][ C0] get_page_from_freelist+0x629/0x2300 [ 46.812359][ C0] ? __kcsan_setup_watchpoint+0x96/0x510 [ 46.818065][ C0] ? __tsan_read8+0x2c/0x30 [ 46.822551][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 46.828877][ C0] ? __kcsan_setup_watchpoint+0x96/0x510 [ 46.834491][ C0] __alloc_pages_nodemask+0x255/0x4d0 [ 46.839843][ C0] page_frag_alloc+0x11e/0x2d0 [ 46.844592][ C0] ? __kcsan_setup_watchpoint+0x96/0x510 [ 46.850234][ C0] __napi_alloc_skb+0x172/0x210 [ 46.855072][ C0] page_to_skb+0x8d/0x480 [ 46.859395][ C0] receive_buf+0x17c7/0x30b0 [ 46.863969][ C0] ? __tsan_write8+0x32/0x40 [ 46.868555][ C0] ? virtqueue_get_buf_ctx+0x4fd/0x5c0 [ 46.874011][ C0] ? __kcsan_setup_watchpoint+0x96/0x510 [ 46.879625][ C0] ? __kcsan_setup_watchpoint+0x96/0x510 [ 46.886977][ C0] virtnet_poll+0x436/0x7d0 [ 46.891739][ C0] net_rx_action+0x3ae/0xa50 [ 46.896350][ C0] __do_softirq+0x115/0x33f [ 46.900858][ C0] ? takeover_tasklets+0x250/0x250 [ 46.905955][ C0] run_ksoftirqd+0x46/0x60 [ 46.910353][ C0] smpboot_thread_fn+0x37d/0x4a0 [ 46.915360][ C0] kthread+0x1d4/0x200 [ 46.919409][ C0] ? constant_test_bit.constprop.0+0x30/0x30 [ 46.925363][ C0] ? kthread_bind+0x50/0x50 [ 46.929844][ C0] ret_from_fork+0x1f/0x30 [ 46.935739][ C0] Kernel Offset: disabled [ 46.940085][ C0] Rebooting in 86400 seconds..