[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.
[  OK  ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch.


Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.10.28' (ECDSA) to the list of known hosts.
2020/06/04 13:05:19 fuzzer started
2020/06/04 13:05:20 dialing manager at 10.128.0.105:43989
2020/06/04 13:05:20 syscalls: 3055
2020/06/04 13:05:20 code coverage: enabled
2020/06/04 13:05:20 comparison tracing: enabled
2020/06/04 13:05:20 extra coverage: enabled
2020/06/04 13:05:20 setuid sandbox: enabled
2020/06/04 13:05:20 namespace sandbox: enabled
2020/06/04 13:05:20 Android sandbox: /sys/fs/selinux/policy does not exist
2020/06/04 13:05:20 fault injection: enabled
2020/06/04 13:05:20 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/06/04 13:05:20 net packet injection: enabled
2020/06/04 13:05:20 net device setup: enabled
2020/06/04 13:05:20 concurrency sanitizer: enabled
2020/06/04 13:05:20 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/06/04 13:05:20 USB emulation: enabled
2020/06/04 13:05:21 adding functions to KCSAN blacklist: 'do_nanosleep' 'page_counter_charge' 
syzkaller login: [   52.109290][ T8902] ==================================================================
[   52.117459][ T8902] BUG: KCSAN: data-race in __send_signal / futex_wait_queue_me
[   52.124994][ T8902] 
[   52.127325][ T8902] write to 0xffff888128f6f064 of 4 bytes by task 8901 on cpu 0:
[   52.134945][ T8902]  futex_wait_queue_me+0x17d/0x290
[   52.140138][ T8902]  futex_wait+0x17e/0x3a0
[   52.144656][ T8902]  do_futex+0xe2/0x15b0
[   52.149027][ T8902]  __x64_sys_futex+0x2dc/0x410
[   52.155518][ T8902]  do_syscall_64+0xc7/0x3b0
[   52.160025][ T8902]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   52.166494][ T8902] 
[   52.168803][ T8902] read to 0xffff888128f6f064 of 4 bytes by task 8902 on cpu 1:
[   52.176323][ T8902]  __send_signal+0x468/0x8a0
[   52.180888][ T8902]  send_signal+0x211/0x2a0
[   52.185279][ T8902]  do_send_sig_info+0x59/0xc0
[   52.190031][ T8902]  do_send_specific+0xd8/0x100
[   52.194768][ T8902]  do_tkill+0xf8/0x130
[   52.198823][ T8902]  __x64_sys_tgkill+0x6d/0x90
[   52.203474][ T8902]  do_syscall_64+0xc7/0x3b0
[   52.207971][ T8902]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   52.213829][ T8902] 
[   52.216141][ T8902] Reported by Kernel Concurrency Sanitizer on:
[   52.222269][ T8902] CPU: 1 PID: 8902 Comm: syz-fuzzer Not tainted 5.7.0-rc1-syzkaller #0
[   52.230483][ T8902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   52.240524][ T8902] ==================================================================
[   52.248555][ T8902] Kernel panic - not syncing: panic_on_warn set ...
[   52.255121][ T8902] CPU: 1 PID: 8902 Comm: syz-fuzzer Not tainted 5.7.0-rc1-syzkaller #0
[   52.263340][ T8902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   52.273374][ T8902] Call Trace:
[   52.276647][ T8902]  dump_stack+0x11d/0x187
[   52.280967][ T8902]  panic+0x210/0x640
[   52.284840][ T8902]  ? vprintk_func+0x89/0x13a
[   52.289425][ T8902]  kcsan_report.cold+0xc/0x1a
[   52.294099][ T8902]  kcsan_setup_watchpoint+0x3fb/0x440
[   52.300671][ T8902]  __send_signal+0x468/0x8a0
[   52.305237][ T8902]  send_signal+0x211/0x2a0
[   52.309645][ T8902]  do_send_sig_info+0x59/0xc0
[   52.314297][ T8902]  do_send_specific+0xd8/0x100
[   52.319035][ T8902]  do_tkill+0xf8/0x130
[   52.323100][ T8902]  __x64_sys_tgkill+0x6d/0x90
[   52.327756][ T8902]  do_syscall_64+0xc7/0x3b0
[   52.332250][ T8902]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   52.338148][ T8902] RIP: 0033:0x468b26
[   52.342027][ T8902] 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
[   52.361820][ T8902] RSP: 002b:000000c000113ed8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ea
[   52.370205][ T8902] RAX: ffffffffffffffda RBX: 000000c000000180 RCX: 0000000000468b26
[   52.378160][ T8902] RDX: 0000000000000017 RSI: 00000000000022c5 RDI: 00000000000022c2
[   52.386108][ T8902] RBP: 000000c000113ef8 R08: 00007ffe5966e080 R09: 0000000000000034
[   52.394061][ T8902] R10: 000000c000113ec0 R11: 0000000000000246 R12: 0000000000000055
[   52.403580][ T8902] R13: 0000000000000000 R14: 0000000000ab4ae9 R15: 0000000000000000
[   52.413039][ T8902] Kernel Offset: disabled
[   52.417382][ T8902] Rebooting in 86400 seconds..