Warning: Permanently added '10.128.0.38' (ECDSA) to the list of known hosts. 2021/05/02 10:01:08 fuzzer started 2021/05/02 10:01:08 dialing manager at 10.128.0.169:44661 2021/05/02 10:01:09 syscalls: 3571 2021/05/02 10:01:09 code coverage: enabled 2021/05/02 10:01:09 comparison tracing: enabled 2021/05/02 10:01:09 extra coverage: enabled 2021/05/02 10:01:09 setuid sandbox: enabled 2021/05/02 10:01:09 namespace sandbox: enabled 2021/05/02 10:01:09 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/02 10:01:09 fault injection: enabled 2021/05/02 10:01:09 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/02 10:01:09 net packet injection: enabled 2021/05/02 10:01:09 net device setup: enabled 2021/05/02 10:01:09 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/02 10:01:09 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/02 10:01:09 USB emulation: enabled 2021/05/02 10:01:09 hci packet injection: enabled 2021/05/02 10:01:09 wifi device emulation: enabled 2021/05/02 10:01:09 802.15.4 emulation: enabled 2021/05/02 10:01:09 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/02 10:01:09 fetching corpus: 50, signal 53466/57196 (executing program) 2021/05/02 10:01:09 fetching corpus: 100, signal 79196/84586 (executing program) 2021/05/02 10:01:10 fetching corpus: 150, signal 97615/104606 (executing program) 2021/05/02 10:01:10 fetching corpus: 200, signal 123203/131592 (executing program) 2021/05/02 10:01:10 fetching corpus: 250, signal 138921/148761 (executing program) [ 74.028790][ T8444] ================================================================== [ 74.037051][ T8444] BUG: KASAN: wild-memory-access in copyout.part.0+0xd7/0x110 [ 74.044528][ T8444] Read of size 368 at addr 108548c02f270010 by task syz-fuzzer/8444 [ 74.052509][ T8444] [ 74.054921][ T8444] CPU: 0 PID: 8444 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 74.065101][ T8444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.076564][ T8444] Call Trace: [ 74.079847][ T8444] dump_stack+0x141/0x1d7 [ 74.084192][ T8444] ? copyout.part.0+0xd7/0x110 [ 74.088953][ T8444] kasan_report.cold+0x5f/0xd8 [ 74.094430][ T8444] ? copyout.part.0+0xd7/0x110 [ 74.099821][ T8444] kasan_check_range+0x13d/0x180 [ 74.104781][ T8444] copyout.part.0+0xd7/0x110 [ 74.109665][ T8444] _copy_to_iter+0x2b4/0x1850 [ 74.114491][ T8444] ? lock_chain_count+0x20/0x20 [ 74.119343][ T8444] ? _copy_from_iter_nocache+0x1440/0x1440 [ 74.125145][ T8444] ? tcp_mstamp_refresh+0x12/0xa0 [ 74.130169][ T8444] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 74.136422][ T8444] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 74.142244][ T8444] ? __virt_addr_valid+0x5d/0x2d0 [ 74.147270][ T8444] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 74.153510][ T8444] ? __phys_addr_symbol+0x2c/0x70 [ 74.158602][ T8444] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 74.164391][ T8444] ? __check_object_size+0x18a/0x3f0 [ 74.169701][ T8444] simple_copy_to_iter+0x4c/0x70 [ 74.174755][ T8444] __skb_datagram_iter+0x4a7/0x770 [ 74.179878][ T8444] ? zerocopy_sg_from_iter+0x110/0x110 [ 74.185344][ T8444] skb_copy_datagram_iter+0x40/0x50 [ 74.190558][ T8444] tcp_recvmsg_locked+0x1048/0x22f0 [ 74.195893][ T8444] ? tcp_splice_read+0x8b0/0x8b0 [ 74.200888][ T8444] ? mark_held_locks+0x9f/0xe0 [ 74.205662][ T8444] ? __local_bh_enable_ip+0xa0/0x120 [ 74.211159][ T8444] tcp_recvmsg+0x134/0x550 [ 74.215588][ T8444] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 74.221101][ T8444] ? aa_sk_perm+0x311/0xab0 [ 74.225633][ T8444] inet_recvmsg+0x11b/0x5e0 [ 74.230148][ T8444] ? inet_sendpage+0x140/0x140 [ 74.234921][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.241201][ T8444] ? security_socket_recvmsg+0x8f/0xc0 [ 74.247092][ T8444] sock_read_iter+0x33c/0x470 [ 74.252053][ T8444] ? ____sys_recvmsg+0x600/0x600 [ 74.257021][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.263271][ T8444] ? fsnotify+0xa58/0x1060 [ 74.267989][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.274436][ T8444] new_sync_read+0x5b7/0x6e0 [ 74.279094][ T8444] ? ksys_lseek+0x1b0/0x1b0 [ 74.283648][ T8444] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 74.289652][ T8444] vfs_read+0x35c/0x570 [ 74.293823][ T8444] ksys_read+0x1ee/0x250 [ 74.298182][ T8444] ? vfs_write+0xa40/0xa40 [ 74.302719][ T8444] ? syscall_enter_from_user_mode+0x27/0x70 [ 74.308847][ T8444] do_syscall_64+0x3a/0xb0 [ 74.313281][ T8444] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 74.319181][ T8444] RIP: 0033:0x4af19b [ 74.323070][ T8444] 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 [ 74.342977][ T8444] RSP: 002b:000000c000467828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 74.351412][ T8444] RAX: ffffffffffffffda RBX: 000000c00001c000 RCX: 00000000004af19b [ 74.359726][ T8444] RDX: 0000000000001000 RSI: 000000c000222000 RDI: 0000000000000006 [ 74.367709][ T8444] RBP: 000000c000467878 R08: 0000000000000001 R09: 0000000000000002 [ 74.375841][ T8444] R10: 0000000000005d60 R11: 0000000000000212 R12: 0000000000005d5a [ 74.383945][ T8444] R13: 0000000000002000 R14: 0000000000000002 R15: 0000000000000002 [ 74.391927][ T8444] ================================================================== [ 74.400010][ T8444] Disabling lock debugging due to kernel taint [ 74.408135][ T8444] Kernel panic - not syncing: panic_on_warn set ... [ 74.414772][ T8444] CPU: 1 PID: 8444 Comm: syz-fuzzer Tainted: G B 5.12.0-rc8-next-20210423-syzkaller #0 [ 74.425745][ T8444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.435825][ T8444] Call Trace: [ 74.439141][ T8444] dump_stack+0x141/0x1d7 [ 74.443583][ T8444] panic+0x306/0x73d [ 74.447518][ T8444] ? __warn_printk+0xf3/0xf3 [ 74.452141][ T8444] ? preempt_schedule_common+0x59/0xc0 [ 74.457620][ T8444] ? copyout.part.0+0xd7/0x110 [ 74.462692][ T8444] ? preempt_schedule_thunk+0x16/0x18 [ 74.468079][ T8444] ? trace_hardirqs_on+0x38/0x1c0 [ 74.473128][ T8444] ? trace_hardirqs_on+0x51/0x1c0 [ 74.478162][ T8444] ? copyout.part.0+0xd7/0x110 [ 74.483128][ T8444] ? copyout.part.0+0xd7/0x110 [ 74.487919][ T8444] end_report.cold+0x5a/0x5a [ 74.492551][ T8444] kasan_report.cold+0x6a/0xd8 [ 74.497326][ T8444] ? copyout.part.0+0xd7/0x110 [ 74.502115][ T8444] kasan_check_range+0x13d/0x180 [ 74.507075][ T8444] copyout.part.0+0xd7/0x110 [ 74.511691][ T8444] _copy_to_iter+0x2b4/0x1850 [ 74.516382][ T8444] ? lock_chain_count+0x20/0x20 [ 74.521271][ T8444] ? _copy_from_iter_nocache+0x1440/0x1440 [ 74.527104][ T8444] ? tcp_mstamp_refresh+0x12/0xa0 [ 74.532405][ T8444] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 74.538666][ T8444] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 74.544404][ T8444] ? __virt_addr_valid+0x5d/0x2d0 [ 74.549444][ T8444] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 74.555715][ T8444] ? __phys_addr_symbol+0x2c/0x70 [ 74.560753][ T8444] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 74.566512][ T8444] ? __check_object_size+0x18a/0x3f0 [ 74.571846][ T8444] simple_copy_to_iter+0x4c/0x70 [ 74.576831][ T8444] __skb_datagram_iter+0x4a7/0x770 [ 74.581983][ T8444] ? zerocopy_sg_from_iter+0x110/0x110 [ 74.587466][ T8444] skb_copy_datagram_iter+0x40/0x50 [ 74.592710][ T8444] tcp_recvmsg_locked+0x1048/0x22f0 [ 74.598234][ T8444] ? tcp_splice_read+0x8b0/0x8b0 [ 74.603307][ T8444] ? mark_held_locks+0x9f/0xe0 [ 74.608293][ T8444] ? __local_bh_enable_ip+0xa0/0x120 [ 74.613708][ T8444] tcp_recvmsg+0x134/0x550 [ 74.618266][ T8444] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 74.623670][ T8444] ? aa_sk_perm+0x311/0xab0 [ 74.628303][ T8444] inet_recvmsg+0x11b/0x5e0 [ 74.632852][ T8444] ? inet_sendpage+0x140/0x140 [ 74.637645][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.643911][ T8444] ? security_socket_recvmsg+0x8f/0xc0 [ 74.649392][ T8444] sock_read_iter+0x33c/0x470 [ 74.654106][ T8444] ? ____sys_recvmsg+0x600/0x600 [ 74.659066][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.665419][ T8444] ? fsnotify+0xa58/0x1060 [ 74.670117][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.676736][ T8444] new_sync_read+0x5b7/0x6e0 [ 74.681358][ T8444] ? ksys_lseek+0x1b0/0x1b0 [ 74.685985][ T8444] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 74.692019][ T8444] vfs_read+0x35c/0x570 [ 74.696207][ T8444] ksys_read+0x1ee/0x250 [ 74.700474][ T8444] ? vfs_write+0xa40/0xa40 [ 74.705049][ T8444] ? syscall_enter_from_user_mode+0x27/0x70 [ 74.712293][ T8444] do_syscall_64+0x3a/0xb0 [ 74.716867][ T8444] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 74.722834][ T8444] RIP: 0033:0x4af19b [ 74.726742][ T8444] 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 [ 74.746541][ T8444] RSP: 002b:000000c000467828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 74.755067][ T8444] RAX: ffffffffffffffda RBX: 000000c00001c000 RCX: 00000000004af19b [ 74.763056][ T8444] RDX: 0000000000001000 RSI: 000000c000222000 RDI: 0000000000000006 [ 74.771836][ T8444] RBP: 000000c000467878 R08: 0000000000000001 R09: 0000000000000002 [ 74.779822][ T8444] R10: 0000000000005d60 R11: 0000000000000212 R12: 0000000000005d5a [ 74.788067][ T8444] R13: 0000000000002000 R14: 0000000000000002 R15: 0000000000000002 [ 74.796841][ T8444] Kernel Offset: disabled [ 74.801475][ T8444] Rebooting in 86400 seconds..