Warning: Permanently added '10.128.0.194' (ECDSA) to the list of known hosts.
2020/05/07 09:45:00 fuzzer started
2020/05/07 09:45:00 connecting to host at 10.128.0.26:32797
2020/05/07 09:45:00 checking machine...
2020/05/07 09:45:00 checking revisions...
2020/05/07 09:45:00 testing simple program...
[   54.681746][ T7038] IPVS: ftp: loaded support on port[0] = 21
2020/05/07 09:45:00 building call list...
[   55.068050][   T56] tipc: TX() has been purged, node left!
[   56.277570][ T7065] can: request_module (can-proto-0) failed.
executing program
[   58.302578][ T7065] can: request_module (can-proto-0) failed.
[   58.313716][ T7065] can: request_module (can-proto-0) failed.
[   58.786464][ T7065] ==================================================================
[   58.794658][ T7065] BUG: KASAN: null-ptr-deref in x25_disconnect+0x253/0x370
[   58.801829][ T7065] Write of size 4 at addr 00000000000000d8 by task syz-fuzzer/7065
[   58.809725][ T7065] 
[   58.812034][ T7065] CPU: 1 PID: 7065 Comm: syz-fuzzer Not tainted 5.7.0-rc2-syzkaller #0
[   58.820239][ T7065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   58.830269][ T7065] Call Trace:
[   58.833537][ T7065]  dump_stack+0x188/0x20d
[   58.837846][ T7065]  ? x25_disconnect+0x253/0x370
[   58.842670][ T7065]  ? __sock_release+0x280/0x280
[   58.847493][ T7065]  __kasan_report.cold+0x5/0x4d
[   58.852332][ T7065]  ? rcu_read_lock_held+0x1/0xb0
[   58.857261][ T7065]  ? x25_disconnect+0x253/0x370
[   58.862106][ T7065]  ? x25_disconnect+0x253/0x370
[   58.866935][ T7065]  kasan_report+0x33/0x50
[   58.871241][ T7065]  check_memory_region+0x141/0x190
[   58.876326][ T7065]  x25_disconnect+0x253/0x370
[   58.880978][ T7065]  x25_release+0x345/0x420
[   58.885369][ T7065]  __sock_release+0xcd/0x280
[   58.889935][ T7065]  sock_close+0x18/0x20
[   58.894063][ T7065]  __fput+0x33e/0x880
[   58.898025][ T7065]  task_work_run+0xf4/0x1b0
[   58.902507][ T7065]  exit_to_usermode_loop+0x2fa/0x360
[   58.907768][ T7065]  do_syscall_64+0x6b1/0x7d0
[   58.912334][ T7065]  entry_SYSCALL_64_after_hwframe+0x49/0xb3
[   58.918198][ T7065] RIP: 0033:0x4afb40
[   58.922066][ T7065] Code: 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 49 c7 c2 00 00 00 00 49 c7 c0 00 00 00 00 49 c7 c1 00 00 00 00 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
[   58.941653][ T7065] RSP: 002b:000000c0001ef478 EFLAGS: 00000212 ORIG_RAX: 0000000000000003
[   58.950048][ T7065] RAX: 0000000000000000 RBX: 000000c00002e500 RCX: 00000000004afb40
[   58.957994][ T7065] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
[   58.965939][ T7065] RBP: 000000c0001ef4b8 R08: 0000000000000000 R09: 0000000000000000
[   58.973882][ T7065] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff
[   58.981838][ T7065] R13: 0000000000000160 R14: 000000000000015f R15: 0000000000000200
[   58.989797][ T7065] ==================================================================
[   58.997828][ T7065] Disabling lock debugging due to kernel taint
[   59.004004][ T7065] Kernel panic - not syncing: panic_on_warn set ...
[   59.010584][ T7065] CPU: 1 PID: 7065 Comm: syz-fuzzer Tainted: G    B             5.7.0-rc2-syzkaller #0
[   59.020194][ T7065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   59.030231][ T7065] Call Trace:
[   59.033494][ T7065]  dump_stack+0x188/0x20d
[   59.037796][ T7065]  ? __sock_release+0x280/0x280
[   59.042616][ T7065]  panic+0x2e3/0x75c
[   59.046482][ T7065]  ? add_taint.cold+0x16/0x16
[   59.051143][ T7065]  ? x25_disconnect+0x253/0x370
[   59.055967][ T7065]  ? trace_hardirqs_on+0x55/0x220
[   59.060970][ T7065]  ? x25_disconnect+0x253/0x370
[   59.065789][ T7065]  ? __sock_release+0x280/0x280
[   59.070608][ T7065]  end_report+0x4d/0x53
[   59.074734][ T7065]  __kasan_report.cold+0xd/0x4d
[   59.079556][ T7065]  ? rcu_read_lock_held+0x1/0xb0
[   59.084461][ T7065]  ? x25_disconnect+0x253/0x370
[   59.089281][ T7065]  ? x25_disconnect+0x253/0x370
[   59.094099][ T7065]  kasan_report+0x33/0x50
[   59.098412][ T7065]  check_memory_region+0x141/0x190
[   59.103492][ T7065]  x25_disconnect+0x253/0x370
[   59.108140][ T7065]  x25_release+0x345/0x420
[   59.112544][ T7065]  __sock_release+0xcd/0x280
[   59.117117][ T7065]  sock_close+0x18/0x20
[   59.121243][ T7065]  __fput+0x33e/0x880
[   59.125194][ T7065]  task_work_run+0xf4/0x1b0
[   59.129669][ T7065]  exit_to_usermode_loop+0x2fa/0x360
[   59.134935][ T7065]  do_syscall_64+0x6b1/0x7d0
[   59.139509][ T7065]  entry_SYSCALL_64_after_hwframe+0x49/0xb3
[   59.145374][ T7065] RIP: 0033:0x4afb40
[   59.149242][ T7065] Code: 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 49 c7 c2 00 00 00 00 49 c7 c0 00 00 00 00 49 c7 c1 00 00 00 00 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
[   59.168813][ T7065] RSP: 002b:000000c0001ef478 EFLAGS: 00000212 ORIG_RAX: 0000000000000003
[   59.177214][ T7065] RAX: 0000000000000000 RBX: 000000c00002e500 RCX: 00000000004afb40
[   59.185169][ T7065] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
[   59.193110][ T7065] RBP: 000000c0001ef4b8 R08: 0000000000000000 R09: 0000000000000000
[   59.201051][ T7065] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff
[   59.209004][ T7065] R13: 0000000000000160 R14: 000000000000015f R15: 0000000000000200
[   59.218290][ T7065] Kernel Offset: disabled
[   59.222601][ T7065] Rebooting in 86400 seconds..