Warning: Permanently added '10.128.0.108' (ECDSA) to the list of known hosts. 2021/05/02 17:10:43 fuzzer started 2021/05/02 17:10:44 dialing manager at 10.128.0.169:44661 2021/05/02 17:10:44 syscalls: 3571 2021/05/02 17:10:44 code coverage: enabled 2021/05/02 17:10:44 comparison tracing: enabled 2021/05/02 17:10:44 extra coverage: enabled 2021/05/02 17:10:44 setuid sandbox: enabled 2021/05/02 17:10:44 namespace sandbox: enabled 2021/05/02 17:10:44 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/02 17:10:44 fault injection: enabled 2021/05/02 17:10:44 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/02 17:10:44 net packet injection: enabled 2021/05/02 17:10:44 net device setup: enabled 2021/05/02 17:10:44 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/02 17:10:44 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/02 17:10:44 USB emulation: enabled 2021/05/02 17:10:44 hci packet injection: enabled 2021/05/02 17:10:44 wifi device emulation: enabled 2021/05/02 17:10:44 802.15.4 emulation: enabled 2021/05/02 17:10:44 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/02 17:10:44 fetching corpus: 50, signal 65791/69467 (executing program) 2021/05/02 17:10:44 fetching corpus: 100, signal 91273/96605 (executing program) 2021/05/02 17:10:44 fetching corpus: 150, signal 114525/121361 (executing program) 2021/05/02 17:10:45 fetching corpus: 200, signal 131927/140256 (executing program) 2021/05/02 17:10:45 fetching corpus: 250, signal 145961/155750 (executing program) 2021/05/02 17:10:45 fetching corpus: 300, signal 163690/174743 (executing program) 2021/05/02 17:10:45 fetching corpus: 350, signal 173777/186208 (executing program) 2021/05/02 17:10:45 fetching corpus: 400, signal 184466/198208 (executing program) 2021/05/02 17:10:45 fetching corpus: 450, signal 196672/211615 (executing program) syzkaller login: [ 70.014945][ T8439] ================================================================== [ 70.023124][ T8439] BUG: KASAN: wild-memory-access in copyout.part.0+0xd7/0x110 [ 70.030587][ T8439] Read of size 240 at addr 108548c02b2e0010 by task syz-fuzzer/8439 [ 70.038554][ T8439] [ 70.040864][ T8439] CPU: 1 PID: 8439 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 70.050400][ T8439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.060441][ T8439] Call Trace: [ 70.063711][ T8439] dump_stack+0x141/0x1d7 [ 70.068051][ T8439] ? copyout.part.0+0xd7/0x110 [ 70.072807][ T8439] kasan_report.cold+0x5f/0xd8 [ 70.077565][ T8439] ? copyout.part.0+0xd7/0x110 [ 70.082323][ T8439] kasan_check_range+0x13d/0x180 [ 70.087253][ T8439] copyout.part.0+0xd7/0x110 [ 70.091835][ T8439] _copy_to_iter+0x2b4/0x1850 [ 70.096510][ T8439] ? lock_chain_count+0x20/0x20 [ 70.101358][ T8439] ? _copy_from_iter_nocache+0x1440/0x1440 [ 70.107157][ T8439] ? tcp_mstamp_refresh+0x12/0xa0 [ 70.112175][ T8439] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.118409][ T8439] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 70.124120][ T8439] ? __virt_addr_valid+0x5d/0x2d0 [ 70.129137][ T8439] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 70.135460][ T8439] ? __phys_addr_symbol+0x2c/0x70 [ 70.140487][ T8439] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 70.146201][ T8439] ? __check_object_size+0x18a/0x3f0 [ 70.151482][ T8439] simple_copy_to_iter+0x4c/0x70 [ 70.156415][ T8439] __skb_datagram_iter+0x4a7/0x770 [ 70.161517][ T8439] ? zerocopy_sg_from_iter+0x110/0x110 [ 70.166969][ T8439] skb_copy_datagram_iter+0x40/0x50 [ 70.172157][ T8439] tcp_recvmsg_locked+0x1048/0x22f0 [ 70.177367][ T8439] ? tcp_splice_read+0x8b0/0x8b0 [ 70.182312][ T8439] ? mark_held_locks+0x9f/0xe0 [ 70.187076][ T8439] ? __local_bh_enable_ip+0xa0/0x120 [ 70.192362][ T8439] tcp_recvmsg+0x134/0x550 [ 70.196776][ T8439] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 70.202147][ T8439] ? aa_sk_perm+0x311/0xab0 [ 70.206643][ T8439] inet_recvmsg+0x11b/0x5e0 [ 70.211141][ T8439] ? inet_sendpage+0x140/0x140 [ 70.215914][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.222163][ T8439] ? security_socket_recvmsg+0x8f/0xc0 [ 70.227616][ T8439] sock_read_iter+0x33c/0x470 [ 70.232314][ T8439] ? ____sys_recvmsg+0x600/0x600 [ 70.237255][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.243489][ T8439] ? fsnotify+0xa58/0x1060 [ 70.247897][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.254138][ T8439] new_sync_read+0x5b7/0x6e0 [ 70.258732][ T8439] ? ksys_lseek+0x1b0/0x1b0 [ 70.263231][ T8439] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 70.269236][ T8439] vfs_read+0x35c/0x570 [ 70.273388][ T8439] ksys_read+0x1ee/0x250 [ 70.277620][ T8439] ? vfs_write+0xa40/0xa40 [ 70.282028][ T8439] ? syscall_enter_from_user_mode+0x27/0x70 [ 70.287916][ T8439] do_syscall_64+0x3a/0xb0 [ 70.292329][ T8439] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 70.298219][ T8439] RIP: 0033:0x4af19b [ 70.302104][ T8439] 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 [ 70.321701][ T8439] RSP: 002b:000000c00003b828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 70.330103][ T8439] RAX: ffffffffffffffda RBX: 000000c00001e800 RCX: 00000000004af19b [ 70.338083][ T8439] RDX: 0000000000001000 RSI: 000000c000302000 RDI: 0000000000000006 [ 70.346050][ T8439] RBP: 000000c00003b878 R08: 0000000000000001 R09: 0000000000000002 [ 70.354015][ T8439] R10: 0000000000001bcf R11: 0000000000000212 R12: 0000000000001bcb [ 70.362067][ T8439] R13: 0000000000000020 R14: 0000000000000002 R15: 0000000000000002 [ 70.370048][ T8439] ================================================================== [ 70.378092][ T8439] Disabling lock debugging due to kernel taint [ 70.386399][ T8439] Kernel panic - not syncing: panic_on_warn set ... [ 70.393001][ T8439] CPU: 1 PID: 8439 Comm: syz-fuzzer Tainted: G B 5.12.0-rc8-next-20210423-syzkaller #0 [ 70.403933][ T8439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.413975][ T8439] Call Trace: [ 70.417237][ T8439] dump_stack+0x141/0x1d7 [ 70.421561][ T8439] panic+0x306/0x73d [ 70.425446][ T8439] ? __warn_printk+0xf3/0xf3 [ 70.430025][ T8439] ? preempt_schedule_common+0x59/0xc0 [ 70.435490][ T8439] ? copyout.part.0+0xd7/0x110 [ 70.440243][ T8439] ? preempt_schedule_thunk+0x16/0x18 [ 70.445602][ T8439] ? trace_hardirqs_on+0x38/0x1c0 [ 70.450611][ T8439] ? trace_hardirqs_on+0x51/0x1c0 [ 70.455619][ T8439] ? copyout.part.0+0xd7/0x110 [ 70.460368][ T8439] ? copyout.part.0+0xd7/0x110 [ 70.465116][ T8439] end_report.cold+0x5a/0x5a [ 70.469696][ T8439] kasan_report.cold+0x6a/0xd8 [ 70.474446][ T8439] ? copyout.part.0+0xd7/0x110 [ 70.479197][ T8439] kasan_check_range+0x13d/0x180 [ 70.484119][ T8439] copyout.part.0+0xd7/0x110 [ 70.488695][ T8439] _copy_to_iter+0x2b4/0x1850 [ 70.493361][ T8439] ? lock_chain_count+0x20/0x20 [ 70.498201][ T8439] ? _copy_from_iter_nocache+0x1440/0x1440 [ 70.503999][ T8439] ? tcp_mstamp_refresh+0x12/0xa0 [ 70.509025][ T8439] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.515266][ T8439] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 70.520987][ T8439] ? __virt_addr_valid+0x5d/0x2d0 [ 70.526001][ T8439] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 70.532238][ T8439] ? __phys_addr_symbol+0x2c/0x70 [ 70.537252][ T8439] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 70.542965][ T8439] ? __check_object_size+0x18a/0x3f0 [ 70.548245][ T8439] simple_copy_to_iter+0x4c/0x70 [ 70.553173][ T8439] __skb_datagram_iter+0x4a7/0x770 [ 70.558305][ T8439] ? zerocopy_sg_from_iter+0x110/0x110 [ 70.563756][ T8439] skb_copy_datagram_iter+0x40/0x50 [ 70.568944][ T8439] tcp_recvmsg_locked+0x1048/0x22f0 [ 70.574138][ T8439] ? tcp_splice_read+0x8b0/0x8b0 [ 70.579066][ T8439] ? mark_held_locks+0x9f/0xe0 [ 70.583822][ T8439] ? __local_bh_enable_ip+0xa0/0x120 [ 70.589097][ T8439] tcp_recvmsg+0x134/0x550 [ 70.593506][ T8439] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 70.598871][ T8439] ? aa_sk_perm+0x311/0xab0 [ 70.603375][ T8439] inet_recvmsg+0x11b/0x5e0 [ 70.607886][ T8439] ? inet_sendpage+0x140/0x140 [ 70.612660][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.618905][ T8439] ? security_socket_recvmsg+0x8f/0xc0 [ 70.624364][ T8439] sock_read_iter+0x33c/0x470 [ 70.629035][ T8439] ? ____sys_recvmsg+0x600/0x600 [ 70.633966][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.640200][ T8439] ? fsnotify+0xa58/0x1060 [ 70.644613][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.650849][ T8439] new_sync_read+0x5b7/0x6e0 [ 70.655435][ T8439] ? ksys_lseek+0x1b0/0x1b0 [ 70.664789][ T8439] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 70.670772][ T8439] vfs_read+0x35c/0x570 [ 70.674915][ T8439] ksys_read+0x1ee/0x250 [ 70.679142][ T8439] ? vfs_write+0xa40/0xa40 [ 70.683544][ T8439] ? syscall_enter_from_user_mode+0x27/0x70 [ 70.689426][ T8439] do_syscall_64+0x3a/0xb0 [ 70.693832][ T8439] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 70.699714][ T8439] RIP: 0033:0x4af19b [ 70.703590][ T8439] 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 [ 70.723182][ T8439] RSP: 002b:000000c00003b828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 70.731581][ T8439] RAX: ffffffffffffffda RBX: 000000c00001e800 RCX: 00000000004af19b [ 70.739536][ T8439] RDX: 0000000000001000 RSI: 000000c000302000 RDI: 0000000000000006 [ 70.747492][ T8439] RBP: 000000c00003b878 R08: 0000000000000001 R09: 0000000000000002 [ 70.755460][ T8439] R10: 0000000000001bcf R11: 0000000000000212 R12: 0000000000001bcb [ 70.763413][ T8439] R13: 0000000000000020 R14: 0000000000000002 R15: 0000000000000002 [ 70.772026][ T8439] Kernel Offset: disabled [ 70.776335][ T8439] Rebooting in 86400 seconds..