Warning: Permanently added '10.128.0.133' (ECDSA) to the list of known hosts. 2019/10/15 10:02:21 fuzzer started 2019/10/15 10:02:22 dialing manager at 10.128.0.105:33637 2019/10/15 10:02:22 syscalls: 2523 2019/10/15 10:02:22 code coverage: enabled 2019/10/15 10:02:22 comparison tracing: enabled 2019/10/15 10:02:22 extra coverage: extra coverage is not supported by the kernel 2019/10/15 10:02:22 setuid sandbox: enabled 2019/10/15 10:02:22 namespace sandbox: enabled 2019/10/15 10:02:22 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/15 10:02:22 fault injection: enabled 2019/10/15 10:02:22 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/15 10:02:22 net packet injection: enabled 2019/10/15 10:02:22 net device setup: enabled 2019/10/15 10:02:22 concurrency sanitizer: enabled 10:02:25 executing program 0: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket(0x200000000000011, 0x2, 0x8) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000700)={'ip_vti0\x00', 0x0}) bind$packet(r0, &(0x7f0000000000)={0x11, 0x0, r1, 0x1, 0x0, 0x6, @random="ecee8b1483f4"}, 0x14) sendmmsg(r0, &(0x7f0000000d00), 0x400004e, 0x0) syzkaller login: [ 59.597982][ T7292] IPVS: ftp: loaded support on port[0] = 21 [ 59.659458][ T7290] ================================================================== [ 59.667595][ T7290] BUG: KCSAN: data-race in __zone_watermark_ok / get_page_from_freelist [ 59.675893][ T7290] [ 59.678212][ T7290] read to 0xffff88812fffce88 of 8 bytes by task 7292 on cpu 1: [ 59.685745][ T7290] __zone_watermark_ok+0x106/0x240 [ 59.690851][ T7290] get_page_from_freelist+0x629/0x2300 [ 59.696297][ T7290] __alloc_pages_nodemask+0x255/0x4d0 [ 59.701653][ T7290] cache_grow_begin+0x76/0x670 [ 59.706405][ T7290] kmem_cache_alloc_node_trace+0x580/0x670 [ 59.712312][ T7290] __kmalloc_node+0x38/0x50 [ 59.716810][ T7290] kvmalloc_node+0xcb/0x100 [ 59.721300][ T7290] alloc_netdev_mqs+0x46c/0x860 [ 59.726131][ T7290] rtnl_create_link+0x181/0x4f0 [ 59.730968][ T7290] __rtnl_newlink+0xbe9/0x1010 [ 59.735714][ T7290] rtnl_newlink+0x63/0x90 [ 59.740025][ T7290] rtnetlink_rcv_msg+0x1d3/0x500 [ 59.744963][ T7290] netlink_rcv_skb+0xb0/0x260 [ 59.749626][ T7290] rtnetlink_rcv+0x26/0x30 [ 59.754018][ T7290] [ 59.756347][ T7290] write to 0xffff88812fffce88 of 8 bytes by task 7290 on cpu 0: [ 59.764056][ T7290] get_page_from_freelist+0x1217/0x2300 [ 59.769590][ T7290] __alloc_pages_nodemask+0x255/0x4d0 [ 59.774956][ T7290] alloc_pages_current+0xd1/0x170 [ 59.779973][ T7290] __page_cache_alloc+0x183/0x1a0 [ 59.784994][ T7290] __do_page_cache_readahead+0x13e/0x390 [ 59.790615][ T7290] ondemand_readahead+0x35d/0x710 [ 59.795622][ T7290] page_cache_async_readahead+0x22c/0x250 [ 59.801704][ T7290] generic_file_read_iter+0xffc/0x1440 [ 59.807265][ T7290] ext4_file_read_iter+0xfa/0x240 [ 59.812280][ T7290] new_sync_read+0x389/0x4f0 [ 59.816860][ T7290] __vfs_read+0xb1/0xc0 [ 59.821020][ T7290] integrity_kernel_read+0xa1/0xe0 [ 59.826117][ T7290] ima_calc_file_hash_tfm+0x1b5/0x260 [ 59.831478][ T7290] [ 59.833790][ T7290] Reported by Kernel Concurrency Sanitizer on: [ 59.839929][ T7290] CPU: 0 PID: 7290 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 59.847021][ T7290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.857068][ T7290] ================================================================== [ 59.865109][ T7290] Kernel panic - not syncing: panic_on_warn set ... [ 59.871691][ T7290] CPU: 0 PID: 7290 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 59.878777][ T7290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.888814][ T7290] Call Trace: [ 59.892105][ T7290] dump_stack+0xf5/0x159 [ 59.896336][ T7290] panic+0x209/0x639 [ 59.900233][ T7290] ? ext4_file_read_iter+0xfa/0x240 [ 59.905417][ T7290] ? vprintk_func+0x8d/0x140 [ 59.909997][ T7290] kcsan_report.cold+0xc/0x1b [ 59.914668][ T7290] __kcsan_setup_watchpoint+0x3ee/0x510 [ 59.920198][ T7290] __tsan_write8+0x32/0x40 [ 59.924603][ T7290] get_page_from_freelist+0x1217/0x2300 [ 59.930154][ T7290] __alloc_pages_nodemask+0x255/0x4d0 [ 59.935539][ T7290] alloc_pages_current+0xd1/0x170 [ 59.940571][ T7290] __page_cache_alloc+0x183/0x1a0 [ 59.945596][ T7290] __do_page_cache_readahead+0x13e/0x390 [ 59.951235][ T7290] ondemand_readahead+0x35d/0x710 [ 59.956249][ T7290] page_cache_async_readahead+0x22c/0x250 [ 59.961954][ T7290] generic_file_read_iter+0xffc/0x1440 [ 59.967418][ T7290] ext4_file_read_iter+0xfa/0x240 [ 59.972432][ T7290] new_sync_read+0x389/0x4f0 [ 59.977017][ T7290] __vfs_read+0xb1/0xc0 [ 59.982994][ T7290] integrity_kernel_read+0xa1/0xe0 [ 59.988096][ T7290] ima_calc_file_hash_tfm+0x1b5/0x260 [ 59.993454][ T7290] ? __kcsan_setup_watchpoint+0x96/0x510 [ 59.999072][ T7290] ? should_fail+0xd4/0x45d [ 60.003560][ T7290] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 60.009279][ T7290] ? widen_string+0x4a/0x1a0 [ 60.013851][ T7290] ? __kcsan_setup_watchpoint+0x96/0x510 [ 60.019475][ T7290] ? __kcsan_setup_watchpoint+0x96/0x510 [ 60.025094][ T7290] ? __kcsan_setup_watchpoint+0x96/0x510 [ 60.030728][ T7290] ? __kcsan_setup_watchpoint+0x96/0x510 [ 60.036431][ T7290] ? __kcsan_setup_watchpoint+0x96/0x510 [ 60.042048][ T7290] ? __kcsan_setup_watchpoint+0x96/0x510 [ 60.047680][ T7290] ? __kcsan_setup_watchpoint+0x96/0x510 [ 60.053393][ T7290] ? __tsan_read4+0x2c/0x30 [ 60.057885][ T7290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.064108][ T7290] ? refcount_sub_and_test_checked+0xc8/0x190 [ 60.070159][ T7290] ? __kcsan_setup_watchpoint+0x96/0x510 [ 60.075785][ T7290] ? __tsan_read4+0x2c/0x30 [ 60.080286][ T7290] ima_calc_file_hash+0x158/0xf10 [ 60.085303][ T7290] ? __tsan_write8+0x32/0x40 [ 60.089884][ T7290] ? ext4_xattr_get+0x10b/0x5c0 [ 60.094726][ T7290] ? __rcu_read_unlock+0x62/0xe0 [ 60.099652][ T7290] ? __kcsan_setup_watchpoint+0x96/0x510 [ 60.105286][ T7290] ima_collect_measurement+0x384/0x3b0 [ 60.110750][ T7290] process_measurement+0x980/0xff0 [ 60.115855][ T7290] ? __kcsan_setup_watchpoint+0x96/0x510 [ 60.121482][ T7290] ? __kcsan_setup_watchpoint+0x96/0x510 [ 60.127101][ T7290] ? __tsan_read4+0x2c/0x30 [ 60.131590][ T7290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.137815][ T7290] ? refcount_sub_and_test_checked+0xc8/0x190 [ 60.143874][ T7290] ? __kcsan_setup_watchpoint+0x96/0x510 [ 60.149647][ T7290] ? __kcsan_setup_watchpoint+0x96/0x510 [ 60.155266][ T7290] ima_file_check+0x7e/0xb0 [ 60.159762][ T7290] path_openat+0xfb1/0x3530 [ 60.164263][ T7290] ? __kcsan_setup_watchpoint+0x96/0x510 [ 60.169893][ T7290] do_filp_open+0x11e/0x1b0 [ 60.174393][ T7290] ? _raw_spin_unlock+0x4b/0x60 [ 60.179231][ T7290] ? __alloc_fd+0x316/0x4c0 [ 60.183725][ T7290] ? get_unused_fd_flags+0x93/0xc0 [ 60.188823][ T7290] do_sys_open+0x3b3/0x4f0 [ 60.193233][ T7290] __x64_sys_openat+0x62/0x80 [ 60.197899][ T7290] do_syscall_64+0xcf/0x2f0 [ 60.202390][ T7290] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.208264][ T7290] RIP: 0033:0x47c5aa [ 60.212145][ T7290] Code: e8 7b 6b fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 4c 8b 54 24 28 4c 8b 44 24 30 4c 8b 4c 24 38 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 40 ff ff ff ff 48 c7 44 24 48 [ 60.231731][ T7290] RSP: 002b:000000c42030f850 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 60.240128][ T7290] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c5aa [ 60.248092][ T7290] RDX: 0000000000080002 RSI: 000000c420022e60 RDI: ffffffffffffff9c [ 60.256058][ T7290] RBP: 000000c42030f8d0 R08: 0000000000000000 R09: 0000000000000000 [ 60.264022][ T7290] R10: 00000000000001a4 R11: 0000000000000206 R12: ffffffffffffffff [ 60.272001][ T7290] R13: 0000000000000074 R14: 0000000000000073 R15: 0000000000000100 [ 61.404128][ T7290] Shutting down cpus with NMI [ 61.410142][ T7290] Kernel Offset: disabled [ 61.414460][ T7290] Rebooting in 86400 seconds..