Warning: Permanently added '10.128.0.111' (ECDSA) to the list of known hosts.
2020/06/11 16:26:44 fuzzer started
2020/06/11 16:26:44 dialing manager at 10.128.0.105:39743
2020/06/11 16:26:45 syscalls: 3078
2020/06/11 16:26:45 code coverage: enabled
2020/06/11 16:26:45 comparison tracing: enabled
2020/06/11 16:26:45 extra coverage: enabled
2020/06/11 16:26:45 setuid sandbox: enabled
2020/06/11 16:26:45 namespace sandbox: enabled
2020/06/11 16:26:45 Android sandbox: /sys/fs/selinux/policy does not exist
2020/06/11 16:26:45 fault injection: enabled
2020/06/11 16:26:45 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/06/11 16:26:45 net packet injection: enabled
2020/06/11 16:26:45 net device setup: enabled
2020/06/11 16:26:45 concurrency sanitizer: enabled
2020/06/11 16:26:45 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/06/11 16:26:45 USB emulation: enabled
2020/06/11 16:26:46 adding functions to KCSAN blacklist: 'run_timer_softirq' 'ep_poll' 'generic_write_end' 'blk_mq_get_request' 'generic_fillattr' 'do_nanosleep' 'copy_process' 'find_get_pages_range_tag' 'xas_clear_mark' 'do_syslog' '__ext4_new_inode' 
syzkaller login: [   57.597384][ T8910] ==================================================================
[   57.605532][ T8910] BUG: KCSAN: data-race in __send_signal / futex_wait_queue_me
[   57.613043][ T8910] 
[   57.615353][ T8910] write to 0xffff88812b2810a4 of 4 bytes by task 8909 on cpu 0:
[   57.622959][ T8910]  futex_wait_queue_me+0x17d/0x290
[   57.628050][ T8910]  futex_wait+0x17e/0x3a0
[   57.632358][ T8910]  do_futex+0xe2/0x15b0
[   57.636489][ T8910]  __x64_sys_futex+0x2dc/0x410
[   57.641237][ T8910]  do_syscall_64+0xc7/0x3b0
[   57.645721][ T8910]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   57.651598][ T8910] 
[   57.653907][ T8910] read to 0xffff88812b2810a4 of 4 bytes by task 8910 on cpu 1:
[   57.661448][ T8910]  __send_signal+0x468/0x8a0
[   57.666024][ T8910]  send_signal+0x211/0x2a0
[   57.670415][ T8910]  do_send_sig_info+0x59/0xc0
[   57.675112][ T8910]  do_send_specific+0xd8/0x100
[   57.679852][ T8910]  do_tkill+0xf8/0x130
[   57.683897][ T8910]  __x64_sys_tgkill+0x6d/0x90
[   57.688555][ T8910]  do_syscall_64+0xc7/0x3b0
[   57.693039][ T8910]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   57.698917][ T8910] 
[   57.701224][ T8910] Reported by Kernel Concurrency Sanitizer on:
[   57.707360][ T8910] CPU: 1 PID: 8910 Comm: syz-fuzzer Not tainted 5.7.0-rc1-syzkaller #0
[   57.715585][ T8910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.725616][ T8910] ==================================================================
[   57.733660][ T8910] Kernel panic - not syncing: panic_on_warn set ...
[   57.740342][ T8910] CPU: 1 PID: 8910 Comm: syz-fuzzer Not tainted 5.7.0-rc1-syzkaller #0
[   57.748561][ T8910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.760163][ T8910] Call Trace:
[   57.763438][ T8910]  dump_stack+0x11d/0x187
[   57.767754][ T8910]  panic+0x210/0x640
[   57.771745][ T8910]  ? vprintk_func+0x89/0x13a
[   57.776315][ T8910]  kcsan_report.cold+0xc/0x1a
[   57.780974][ T8910]  kcsan_setup_watchpoint+0x3fb/0x440
[   57.786326][ T8910]  __send_signal+0x468/0x8a0
[   57.790897][ T8910]  send_signal+0x211/0x2a0
[   57.795296][ T8910]  do_send_sig_info+0x59/0xc0
[   57.799953][ T8910]  do_send_specific+0xd8/0x100
[   57.804699][ T8910]  do_tkill+0xf8/0x130
[   57.808771][ T8910]  __x64_sys_tgkill+0x6d/0x90
[   57.813446][ T8910]  do_syscall_64+0xc7/0x3b0
[   57.817949][ T8910]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   57.823823][ T8910] RIP: 0033:0x468b26
[   57.827701][ T8910] Code: cc cc cc cc b8 27 00 00 00 0f 05 48 89 44 24 08 c3 cc cc cc 48 8b 7c 24 08 48 8b 74 24 10 48 8b 54 24 18 b8 ea 00 00 00 0f 05 <c3> cc cc cc cc cc cc cc cc cc 8b 7c 24 08 48 8b 74 24 10 48 8b 54
[   57.847295][ T8910] RSP: 002b:000000c000049eb0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ea
[   57.855699][ T8910] RAX: ffffffffffffffda RBX: 000000c000000180 RCX: 0000000000468b26
[   57.863652][ T8910] RDX: 0000000000000017 RSI: 00000000000022cd RDI: 00000000000022cb
[   57.871703][ T8910] RBP: 000000c000049ed0 R08: 0000000000000000 R09: 0000000000000039
[   57.879654][ T8910] R10: 00007f6837c8b968 R11: 0000000000000246 R12: 00000000010b8c40
[   57.887604][ T8910] R13: 0000000000e5caa0 R14: 0000000000000000 R15: 0000000000000000
[   57.896757][ T8910] Kernel Offset: disabled
[   57.901089][ T8910] Rebooting in 86400 seconds..