Warning: Permanently added '10.128.0.231' (ECDSA) to the list of known hosts. 2021/05/03 17:22:20 fuzzer started 2021/05/03 17:22:21 dialing manager at 10.128.0.169:34381 2021/05/03 17:22:21 syscalls: 3586 2021/05/03 17:22:21 code coverage: enabled 2021/05/03 17:22:21 comparison tracing: enabled 2021/05/03 17:22:21 extra coverage: enabled 2021/05/03 17:22:21 setuid sandbox: enabled 2021/05/03 17:22:21 namespace sandbox: enabled 2021/05/03 17:22:21 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/03 17:22:21 fault injection: enabled 2021/05/03 17:22:21 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/03 17:22:21 net packet injection: enabled 2021/05/03 17:22:21 net device setup: enabled 2021/05/03 17:22:21 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/03 17:22:21 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/03 17:22:21 USB emulation: enabled 2021/05/03 17:22:21 hci packet injection: enabled 2021/05/03 17:22:21 wifi device emulation: enabled 2021/05/03 17:22:21 802.15.4 emulation: enabled 2021/05/03 17:22:21 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/03 17:22:21 fetching corpus: 50, signal 68716/72130 (executing program) 2021/05/03 17:22:21 fetching corpus: 100, signal 94639/99372 (executing program) 2021/05/03 17:22:21 fetching corpus: 150, signal 116265/122113 (executing program) 2021/05/03 17:22:22 fetching corpus: 200, signal 137414/144271 (executing program) 2021/05/03 17:22:22 fetching corpus: 250, signal 152737/160528 (executing program) syzkaller login: [ 70.934045][ T8460] ================================================================== [ 70.942530][ T8460] BUG: KASAN: wild-memory-access in copyout.part.0+0xd7/0x110 [ 70.950068][ T8460] Read of size 1440 at addr 26f25700d61e7eac by task syz-fuzzer/8460 [ 70.958162][ T8460] [ 70.960474][ T8460] CPU: 1 PID: 8460 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 70.970007][ T8460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.980064][ T8460] Call Trace: [ 70.983349][ T8460] dump_stack+0x141/0x1d7 [ 70.987785][ T8460] ? copyout.part.0+0xd7/0x110 [ 70.992580][ T8460] kasan_report.cold+0x5f/0xd8 [ 70.997346][ T8460] ? copyout.part.0+0xd7/0x110 [ 71.002109][ T8460] kasan_check_range+0x13d/0x180 [ 71.007046][ T8460] copyout.part.0+0xd7/0x110 [ 71.011648][ T8460] _copy_to_iter+0x2b4/0x1850 [ 71.016329][ T8460] ? lock_chain_count+0x20/0x20 [ 71.021187][ T8460] ? ip_local_deliver_finish+0x240/0x370 [ 71.026838][ T8460] ? _copy_from_iter_nocache+0x1440/0x1440 [ 71.032639][ T8460] ? ip_local_deliver+0x195/0x200 [ 71.037663][ T8460] ? ip_sublist_rcv_finish+0x9a/0x2c0 [ 71.043034][ T8460] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.049275][ T8460] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 71.055339][ T8460] ? __virt_addr_valid+0x5d/0x2d0 [ 71.060362][ T8460] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.066634][ T8460] ? __phys_addr_symbol+0x2c/0x70 [ 71.071769][ T8460] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 71.077504][ T8460] ? __check_object_size+0x18a/0x3f0 [ 71.082801][ T8460] simple_copy_to_iter+0x4c/0x70 [ 71.087748][ T8460] __skb_datagram_iter+0x4a7/0x770 [ 71.092876][ T8460] ? zerocopy_sg_from_iter+0x110/0x110 [ 71.098334][ T8460] skb_copy_datagram_iter+0x40/0x50 [ 71.103538][ T8460] tcp_recvmsg_locked+0x1048/0x22f0 [ 71.108760][ T8460] ? tcp_splice_read+0x8b0/0x8b0 [ 71.113696][ T8460] ? mark_held_locks+0x9f/0xe0 [ 71.118464][ T8460] ? __local_bh_enable_ip+0xa0/0x120 [ 71.123751][ T8460] tcp_recvmsg+0x134/0x550 [ 71.128168][ T8460] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 71.133549][ T8460] ? aa_sk_perm+0x311/0xab0 [ 71.138052][ T8460] inet_recvmsg+0x11b/0x5e0 [ 71.142558][ T8460] ? inet_sendpage+0x140/0x140 [ 71.147346][ T8460] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.153612][ T8460] ? security_socket_recvmsg+0x8f/0xc0 [ 71.159076][ T8460] sock_read_iter+0x33c/0x470 [ 71.163852][ T8460] ? ____sys_recvmsg+0x600/0x600 [ 71.168807][ T8460] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.175434][ T8460] ? fsnotify+0xa58/0x1060 [ 71.179859][ T8460] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.186111][ T8460] new_sync_read+0x5b7/0x6e0 [ 71.190702][ T8460] ? ksys_lseek+0x1b0/0x1b0 [ 71.195219][ T8460] vfs_read+0x35c/0x570 [ 71.199377][ T8460] ksys_read+0x1ee/0x250 [ 71.203616][ T8460] ? vfs_write+0xa40/0xa40 [ 71.208028][ T8460] ? syscall_enter_from_user_mode+0x27/0x70 [ 71.213919][ T8460] do_syscall_64+0x3a/0xb0 [ 71.218332][ T8460] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.224240][ T8460] RIP: 0033:0x4af19b [ 71.228126][ T8460] 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 [ 71.247727][ T8460] RSP: 002b:000000c00006b850 EFLAGS: 00000206 ORIG_RAX: 0000000000000000 [ 71.256323][ T8460] RAX: ffffffffffffffda RBX: 000000c00001e800 RCX: 00000000004af19b [ 71.264304][ T8460] RDX: 0000000000001000 RSI: 000000c0001a0000 RDI: 0000000000000006 [ 71.272289][ T8460] RBP: 000000c00006b8a0 R08: 0000000000000001 R09: 0000000000000002 [ 71.280347][ T8460] R10: 0000000000000ec6 R11: 0000000000000206 R12: 0000000000000ec2 [ 71.288308][ T8460] R13: 0000000000000400 R14: 0000000000000008 R15: 0000000000000002 [ 71.296284][ T8460] ================================================================== [ 71.304415][ T8460] Disabling lock debugging due to kernel taint [ 71.311067][ T3261] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.317370][ T3261] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.324970][ T8460] Kernel panic - not syncing: panic_on_warn set ... [ 71.331581][ T8460] CPU: 1 PID: 8460 Comm: syz-fuzzer Tainted: G B 5.12.0-rc8-next-20210423-syzkaller #0 [ 71.342617][ T8460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.352663][ T8460] Call Trace: [ 71.355932][ T8460] dump_stack+0x141/0x1d7 [ 71.360260][ T8460] panic+0x306/0x73d [ 71.364146][ T8460] ? __warn_printk+0xf3/0xf3 [ 71.368729][ T8460] ? preempt_schedule_common+0x59/0xc0 [ 71.374182][ T8460] ? copyout.part.0+0xd7/0x110 [ 71.378939][ T8460] ? preempt_schedule_thunk+0x16/0x18 [ 71.384302][ T8460] ? trace_hardirqs_on+0x38/0x1c0 [ 71.389317][ T8460] ? trace_hardirqs_on+0x51/0x1c0 [ 71.394331][ T8460] ? copyout.part.0+0xd7/0x110 [ 71.399086][ T8460] ? copyout.part.0+0xd7/0x110 [ 71.403839][ T8460] end_report.cold+0x5a/0x5a [ 71.408682][ T8460] kasan_report.cold+0x6a/0xd8 [ 71.413454][ T8460] ? copyout.part.0+0xd7/0x110 [ 71.418208][ T8460] kasan_check_range+0x13d/0x180 [ 71.423152][ T8460] copyout.part.0+0xd7/0x110 [ 71.427732][ T8460] _copy_to_iter+0x2b4/0x1850 [ 71.432577][ T8460] ? lock_chain_count+0x20/0x20 [ 71.437421][ T8460] ? ip_local_deliver_finish+0x240/0x370 [ 71.443047][ T8460] ? _copy_from_iter_nocache+0x1440/0x1440 [ 71.448845][ T8460] ? ip_local_deliver+0x195/0x200 [ 71.453864][ T8460] ? ip_sublist_rcv_finish+0x9a/0x2c0 [ 71.459230][ T8460] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.465465][ T8460] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 71.471177][ T8460] ? __virt_addr_valid+0x5d/0x2d0 [ 71.476191][ T8460] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.482423][ T8460] ? __phys_addr_symbol+0x2c/0x70 [ 71.487441][ T8460] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 71.493151][ T8460] ? __check_object_size+0x18a/0x3f0 [ 71.498429][ T8460] simple_copy_to_iter+0x4c/0x70 [ 71.503360][ T8460] __skb_datagram_iter+0x4a7/0x770 [ 71.508462][ T8460] ? zerocopy_sg_from_iter+0x110/0x110 [ 71.513915][ T8460] skb_copy_datagram_iter+0x40/0x50 [ 71.519104][ T8460] tcp_recvmsg_locked+0x1048/0x22f0 [ 71.524301][ T8460] ? tcp_splice_read+0x8b0/0x8b0 [ 71.529248][ T8460] ? mark_held_locks+0x9f/0xe0 [ 71.534013][ T8460] ? __local_bh_enable_ip+0xa0/0x120 [ 71.539290][ T8460] tcp_recvmsg+0x134/0x550 [ 71.543699][ T8460] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 71.549151][ T8460] ? aa_sk_perm+0x311/0xab0 [ 71.553662][ T8460] inet_recvmsg+0x11b/0x5e0 [ 71.558158][ T8460] ? inet_sendpage+0x140/0x140 [ 71.562947][ T8460] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.569181][ T8460] ? security_socket_recvmsg+0x8f/0xc0 [ 71.574649][ T8460] sock_read_iter+0x33c/0x470 [ 71.579320][ T8460] ? ____sys_recvmsg+0x600/0x600 [ 71.584253][ T8460] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.590505][ T8460] ? fsnotify+0xa58/0x1060 [ 71.594916][ T8460] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.601161][ T8460] new_sync_read+0x5b7/0x6e0 [ 71.605745][ T8460] ? ksys_lseek+0x1b0/0x1b0 [ 71.610243][ T8460] vfs_read+0x35c/0x570 [ 71.614401][ T8460] ksys_read+0x1ee/0x250 [ 71.618633][ T8460] ? vfs_write+0xa40/0xa40 [ 71.623048][ T8460] ? syscall_enter_from_user_mode+0x27/0x70 [ 71.628952][ T8460] do_syscall_64+0x3a/0xb0 [ 71.633385][ T8460] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.639269][ T8460] RIP: 0033:0x4af19b [ 71.643497][ T8460] 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 [ 71.663097][ T8460] RSP: 002b:000000c00006b850 EFLAGS: 00000206 ORIG_RAX: 0000000000000000 [ 71.671498][ T8460] RAX: ffffffffffffffda RBX: 000000c00001e800 RCX: 00000000004af19b [ 71.679457][ T8460] RDX: 0000000000001000 RSI: 000000c0001a0000 RDI: 0000000000000006 [ 71.687418][ T8460] RBP: 000000c00006b8a0 R08: 0000000000000001 R09: 0000000000000002 [ 71.695374][ T8460] R10: 0000000000000ec6 R11: 0000000000000206 R12: 0000000000000ec2 [ 71.703331][ T8460] R13: 0000000000000400 R14: 0000000000000008 R15: 0000000000000002 [ 71.711849][ T8460] Kernel Offset: disabled [ 71.716166][ T8460] Rebooting in 86400 seconds..