Warning: Permanently added '10.128.0.194' (ECDSA) to the list of known hosts. 2021/05/04 00:51:56 fuzzer started 2021/05/04 00:51:56 dialing manager at 10.128.0.169:34381 2021/05/04 00:51:56 syscalls: 3586 2021/05/04 00:51:56 code coverage: enabled 2021/05/04 00:51:56 comparison tracing: enabled 2021/05/04 00:51:56 extra coverage: enabled 2021/05/04 00:51:56 setuid sandbox: enabled 2021/05/04 00:51:56 namespace sandbox: enabled 2021/05/04 00:51:56 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/04 00:51:56 fault injection: enabled 2021/05/04 00:51:56 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/04 00:51:56 net packet injection: enabled 2021/05/04 00:51:56 net device setup: enabled 2021/05/04 00:51:56 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/04 00:51:56 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/04 00:51:56 USB emulation: enabled 2021/05/04 00:51:56 hci packet injection: enabled 2021/05/04 00:51:56 wifi device emulation: enabled 2021/05/04 00:51:56 802.15.4 emulation: enabled 2021/05/04 00:51:56 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/04 00:51:57 fetching corpus: 50, signal 66716/70254 (executing program) 2021/05/04 00:51:57 fetching corpus: 100, signal 93136/98170 (executing program) 2021/05/04 00:51:58 fetching corpus: 150, signal 112043/118525 (executing program) 2021/05/04 00:51:58 fetching corpus: 200, signal 132951/140747 (executing program) 2021/05/04 00:51:58 fetching corpus: 250, signal 149868/158881 (executing program) 2021/05/04 00:51:59 fetching corpus: 300, signal 162562/172743 (executing program) 2021/05/04 00:51:59 fetching corpus: 350, signal 173128/184485 (executing program) 2021/05/04 00:51:59 fetching corpus: 397, signal 179679/192247 (executing program) 2021/05/04 00:51:59 fetching corpus: 447, signal 187736/201402 (executing program) 2021/05/04 00:52:00 fetching corpus: 497, signal 199733/214339 (executing program) 2021/05/04 00:52:00 fetching corpus: 547, signal 213614/229010 (executing program) 2021/05/04 00:52:01 fetching corpus: 596, signal 227164/243227 (executing program) 2021/05/04 00:52:01 fetching corpus: 646, signal 237359/254204 (executing program) 2021/05/04 00:52:01 fetching corpus: 695, signal 244592/262289 (executing program) 2021/05/04 00:52:02 fetching corpus: 742, signal 252589/271022 (executing program) 2021/05/04 00:52:02 fetching corpus: 791, signal 258989/278233 (executing program) 2021/05/04 00:52:02 fetching corpus: 841, signal 265445/285427 (executing program) 2021/05/04 00:52:03 fetching corpus: 891, signal 272107/292756 (executing program) syzkaller login: [ 79.225170][ T8436] ================================================================== [ 79.234035][ T8436] BUG: KASAN: wild-memory-access in copyout.part.0+0xd7/0x110 [ 79.241639][ T8436] Read of size 240 at addr 108548c01d400010 by task syz-fuzzer/8436 [ 79.250007][ T8436] [ 79.252399][ T8436] CPU: 1 PID: 8436 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 79.262317][ T8436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.272555][ T8436] Call Trace: [ 79.276142][ T8436] dump_stack+0x141/0x1d7 [ 79.280726][ T8436] ? copyout.part.0+0xd7/0x110 [ 79.285717][ T8436] kasan_report.cold+0x5f/0xd8 [ 79.290855][ T8436] ? copyout.part.0+0xd7/0x110 [ 79.296221][ T8436] kasan_check_range+0x13d/0x180 [ 79.301460][ T8436] copyout.part.0+0xd7/0x110 [ 79.306565][ T8436] _copy_to_iter+0x2b4/0x1850 [ 79.311297][ T8436] ? lock_chain_count+0x20/0x20 [ 79.316695][ T8436] ? _copy_from_iter_nocache+0x1440/0x1440 [ 79.322540][ T8436] ? kernel_text_address+0xbd/0xf0 [ 79.327858][ T8436] ? __kernel_text_address+0x9/0x30 [ 79.333116][ T8436] ? unwind_get_return_address+0x51/0x90 [ 79.338920][ T8436] ? create_prof_cpu_mask+0x20/0x20 [ 79.344250][ T8436] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 79.350761][ T8436] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 79.356517][ T8436] ? __virt_addr_valid+0x5d/0x2d0 [ 79.361722][ T8436] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 79.368282][ T8436] ? __phys_addr_symbol+0x2c/0x70 [ 79.373751][ T8436] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 79.379868][ T8436] ? __check_object_size+0x18a/0x3f0 [ 79.385589][ T8436] simple_copy_to_iter+0x4c/0x70 [ 79.390787][ T8436] __skb_datagram_iter+0x4a7/0x770 [ 79.399449][ T8436] ? zerocopy_sg_from_iter+0x110/0x110 [ 79.405323][ T8436] skb_copy_datagram_iter+0x40/0x50 [ 79.410849][ T8436] tcp_recvmsg_locked+0x1048/0x22f0 [ 79.416279][ T8436] ? tcp_splice_read+0x8b0/0x8b0 [ 79.421518][ T8436] ? mark_held_locks+0x9f/0xe0 [ 79.426813][ T8436] ? __local_bh_enable_ip+0xa0/0x120 [ 79.432455][ T8436] tcp_recvmsg+0x134/0x550 [ 79.437026][ T8436] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 79.442567][ T8436] ? aa_sk_perm+0x311/0xab0 [ 79.447284][ T8436] inet_recvmsg+0x11b/0x5e0 [ 79.451863][ T8436] ? inet_sendpage+0x140/0x140 [ 79.457224][ T8436] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.464302][ T8436] ? security_socket_recvmsg+0x8f/0xc0 [ 79.469815][ T8436] sock_read_iter+0x33c/0x470 [ 79.474683][ T8436] ? ____sys_recvmsg+0x600/0x600 [ 79.479695][ T8436] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.486543][ T8436] ? fsnotify+0xa58/0x1060 [ 79.491011][ T8436] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.497305][ T8436] new_sync_read+0x5b7/0x6e0 [ 79.502201][ T8436] ? ksys_lseek+0x1b0/0x1b0 [ 79.506927][ T8436] vfs_read+0x35c/0x570 [ 79.511266][ T8436] ksys_read+0x1ee/0x250 [ 79.515549][ T8436] ? vfs_write+0xa40/0xa40 [ 79.520147][ T8436] ? syscall_enter_from_user_mode+0x27/0x70 [ 79.526323][ T8436] do_syscall_64+0x3a/0xb0 [ 79.530993][ T8436] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 79.537953][ T8436] RIP: 0033:0x4af19b [ 79.542659][ T8436] Code: fb ff eb bd e8 a6 b6 fb ff e9 61 ff ff ff cc e8 9b 82 fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 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 [ 79.564314][ T8436] RSP: 002b:000000c0005c5828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 79.573436][ T8436] RAX: ffffffffffffffda RBX: 000000c00001c000 RCX: 00000000004af19b [ 79.582185][ T8436] RDX: 0000000000001000 RSI: 000000c00044d000 RDI: 0000000000000006 [ 79.592390][ T8436] RBP: 000000c0005c5878 R08: 0000000000000001 R09: 0000000000000002 [ 79.600713][ T8436] R10: 0000000000005913 R11: 0000000000000212 R12: ffffffffffffffff [ 79.609089][ T8436] R13: 0000000000002000 R14: 0000000000000002 R15: 0000000000000002 [ 79.617704][ T8436] ================================================================== [ 79.626544][ T8436] Disabling lock debugging due to kernel taint [ 79.642519][ T8436] Kernel panic - not syncing: panic_on_warn set ... [ 79.649601][ T8436] CPU: 1 PID: 8436 Comm: syz-fuzzer Tainted: G B 5.12.0-rc8-next-20210423-syzkaller #0 [ 79.660732][ T8436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.671234][ T8436] Call Trace: [ 79.674693][ T8436] dump_stack+0x141/0x1d7 [ 79.679189][ T8436] panic+0x306/0x73d [ 79.683101][ T8436] ? __warn_printk+0xf3/0xf3 [ 79.687846][ T8436] ? preempt_schedule_common+0x59/0xc0 [ 79.693321][ T8436] ? copyout.part.0+0xd7/0x110 [ 79.698153][ T8436] ? preempt_schedule_thunk+0x16/0x18 [ 79.703885][ T8436] ? trace_hardirqs_on+0x38/0x1c0 [ 79.709051][ T8436] ? trace_hardirqs_on+0x51/0x1c0 [ 79.714241][ T8436] ? copyout.part.0+0xd7/0x110 [ 79.719382][ T8436] ? copyout.part.0+0xd7/0x110 [ 79.724163][ T8436] end_report.cold+0x5a/0x5a [ 79.728773][ T8436] kasan_report.cold+0x6a/0xd8 [ 79.733553][ T8436] ? copyout.part.0+0xd7/0x110 [ 79.738328][ T8436] kasan_check_range+0x13d/0x180 [ 79.743448][ T8436] copyout.part.0+0xd7/0x110 [ 79.748224][ T8436] _copy_to_iter+0x2b4/0x1850 [ 79.753027][ T8436] ? lock_chain_count+0x20/0x20 [ 79.757892][ T8436] ? _copy_from_iter_nocache+0x1440/0x1440 [ 79.764338][ T8436] ? kernel_text_address+0xbd/0xf0 [ 79.769594][ T8436] ? __kernel_text_address+0x9/0x30 [ 79.774802][ T8436] ? unwind_get_return_address+0x51/0x90 [ 79.780452][ T8436] ? create_prof_cpu_mask+0x20/0x20 [ 79.785668][ T8436] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 79.791940][ T8436] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 79.797761][ T8436] ? __virt_addr_valid+0x5d/0x2d0 [ 79.802797][ T8436] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 79.810120][ T8436] ? __phys_addr_symbol+0x2c/0x70 [ 79.815164][ T8436] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 79.821021][ T8436] ? __check_object_size+0x18a/0x3f0 [ 79.826396][ T8436] simple_copy_to_iter+0x4c/0x70 [ 79.831352][ T8436] __skb_datagram_iter+0x4a7/0x770 [ 79.836587][ T8436] ? zerocopy_sg_from_iter+0x110/0x110 [ 79.842309][ T8436] skb_copy_datagram_iter+0x40/0x50 [ 79.847526][ T8436] tcp_recvmsg_locked+0x1048/0x22f0 [ 79.852740][ T8436] ? tcp_splice_read+0x8b0/0x8b0 [ 79.857693][ T8436] ? mark_held_locks+0x9f/0xe0 [ 79.862473][ T8436] ? __local_bh_enable_ip+0xa0/0x120 [ 79.868054][ T8436] tcp_recvmsg+0x134/0x550 [ 79.872622][ T8436] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 79.878229][ T8436] ? aa_sk_perm+0x311/0xab0 [ 79.882740][ T8436] inet_recvmsg+0x11b/0x5e0 [ 79.887875][ T8436] ? inet_sendpage+0x140/0x140 [ 79.892943][ T8436] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.899859][ T8436] ? security_socket_recvmsg+0x8f/0xc0 [ 79.905334][ T8436] sock_read_iter+0x33c/0x470 [ 79.910031][ T8436] ? ____sys_recvmsg+0x600/0x600 [ 79.915805][ T8436] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.922351][ T8436] ? fsnotify+0xa58/0x1060 [ 79.926898][ T8436] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.933413][ T8436] new_sync_read+0x5b7/0x6e0 [ 79.938016][ T8436] ? ksys_lseek+0x1b0/0x1b0 [ 79.942550][ T8436] vfs_read+0x35c/0x570 [ 79.946762][ T8436] ksys_read+0x1ee/0x250 [ 79.951005][ T8436] ? vfs_write+0xa40/0xa40 [ 79.955433][ T8436] ? syscall_enter_from_user_mode+0x27/0x70 [ 79.961358][ T8436] do_syscall_64+0x3a/0xb0 [ 79.965957][ T8436] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 79.971974][ T8436] RIP: 0033:0x4af19b [ 79.975983][ T8436] Code: fb ff eb bd e8 a6 b6 fb ff e9 61 ff ff ff cc e8 9b 82 fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 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 [ 79.996080][ T8436] RSP: 002b:000000c0005c5828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 80.004710][ T8436] RAX: ffffffffffffffda RBX: 000000c00001c000 RCX: 00000000004af19b [ 80.012697][ T8436] RDX: 0000000000001000 RSI: 000000c00044d000 RDI: 0000000000000006 [ 80.020699][ T8436] RBP: 000000c0005c5878 R08: 0000000000000001 R09: 0000000000000002 [ 80.029142][ T8436] R10: 0000000000005913 R11: 0000000000000212 R12: ffffffffffffffff [ 80.037346][ T8436] R13: 0000000000002000 R14: 0000000000000002 R15: 0000000000000002 [ 80.046139][ T8436] Kernel Offset: disabled [ 80.050532][ T8436] Rebooting in 86400 seconds..