Warning: Permanently added '10.128.1.7' (ECDSA) to the list of known hosts. 2021/05/02 23:48:04 fuzzer started 2021/05/02 23:48:05 dialing manager at 10.128.0.169:44661 2021/05/02 23:48:05 syscalls: 3571 2021/05/02 23:48:05 code coverage: enabled 2021/05/02 23:48:05 comparison tracing: enabled 2021/05/02 23:48:05 extra coverage: enabled 2021/05/02 23:48:05 setuid sandbox: enabled 2021/05/02 23:48:05 namespace sandbox: enabled 2021/05/02 23:48:05 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/02 23:48:05 fault injection: enabled 2021/05/02 23:48:05 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/02 23:48:05 net packet injection: enabled 2021/05/02 23:48:05 net device setup: enabled 2021/05/02 23:48:05 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/02 23:48:05 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/02 23:48:05 USB emulation: enabled 2021/05/02 23:48:05 hci packet injection: enabled 2021/05/02 23:48:05 wifi device emulation: enabled 2021/05/02 23:48:05 802.15.4 emulation: enabled 2021/05/02 23:48:05 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/02 23:48:05 fetching corpus: 50, signal 60469/64187 (executing program) 2021/05/02 23:48:05 fetching corpus: 100, signal 90235/95568 (executing program) 2021/05/02 23:48:06 fetching corpus: 150, signal 116516/123345 (executing program) 2021/05/02 23:48:06 fetching corpus: 200, signal 131918/140255 (executing program) 2021/05/02 23:48:06 fetching corpus: 250, signal 147176/156886 (executing program) syzkaller login: [ 71.263993][ T3257] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.270515][ T3257] ieee802154 phy1 wpan1: encryption failed: -22 2021/05/02 23:48:06 fetching corpus: 300, signal 163313/174344 (executing program) 2021/05/02 23:48:06 fetching corpus: 350, signal 172444/184878 (executing program) 2021/05/02 23:48:06 fetching corpus: 400, signal 186856/200518 (executing program) [ 71.740092][ T8443] ================================================================== [ 71.750305][ T8443] BUG: KASAN: wild-memory-access in copyout.part.0+0xd7/0x110 [ 71.758889][ T8443] Read of size 862 at addr 108548c02edd0010 by task syz-fuzzer/8443 [ 71.768474][ T8443] [ 71.770913][ T8443] CPU: 0 PID: 8443 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 71.781078][ T8443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.791593][ T8443] Call Trace: [ 71.795459][ T8443] dump_stack+0x141/0x1d7 [ 71.799993][ T8443] ? copyout.part.0+0xd7/0x110 [ 71.804786][ T8443] kasan_report.cold+0x5f/0xd8 [ 71.809553][ T8443] ? copyout.part.0+0xd7/0x110 [ 71.814314][ T8443] kasan_check_range+0x13d/0x180 [ 71.819248][ T8443] copyout.part.0+0xd7/0x110 [ 71.823840][ T8443] _copy_to_iter+0x2b4/0x1850 [ 71.828518][ T8443] ? lock_chain_count+0x20/0x20 [ 71.833367][ T8443] ? _copy_from_iter_nocache+0x1440/0x1440 [ 71.839165][ T8443] ? tcp_mstamp_refresh+0x12/0xa0 [ 71.844206][ T8443] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.850460][ T8443] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 71.856174][ T8443] ? __virt_addr_valid+0x5d/0x2d0 [ 71.861194][ T8443] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.867448][ T8443] ? __phys_addr_symbol+0x2c/0x70 [ 71.872464][ T8443] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 71.878177][ T8443] ? __check_object_size+0x18a/0x3f0 [ 71.883477][ T8443] simple_copy_to_iter+0x4c/0x70 [ 71.888410][ T8443] __skb_datagram_iter+0x4a7/0x770 [ 71.893515][ T8443] ? zerocopy_sg_from_iter+0x110/0x110 [ 71.898969][ T8443] skb_copy_datagram_iter+0x40/0x50 [ 71.905039][ T8443] tcp_recvmsg_locked+0x1048/0x22f0 [ 71.911320][ T8443] ? tcp_splice_read+0x8b0/0x8b0 [ 71.917240][ T8443] ? mark_held_locks+0x9f/0xe0 [ 71.922385][ T8443] ? __local_bh_enable_ip+0xa0/0x120 [ 71.927843][ T8443] tcp_recvmsg+0x134/0x550 [ 71.932431][ T8443] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 71.938038][ T8443] ? aa_sk_perm+0x311/0xab0 [ 71.942728][ T8443] inet_recvmsg+0x11b/0x5e0 [ 71.947495][ T8443] ? inet_sendpage+0x140/0x140 [ 71.952779][ T8443] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.959017][ T8443] ? security_socket_recvmsg+0x8f/0xc0 [ 71.964924][ T8443] sock_read_iter+0x33c/0x470 [ 71.969862][ T8443] ? ____sys_recvmsg+0x600/0x600 [ 71.975190][ T8443] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.981612][ T8443] ? fsnotify+0xa58/0x1060 [ 71.986391][ T8443] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.992929][ T8443] new_sync_read+0x5b7/0x6e0 [ 71.997800][ T8443] ? ksys_lseek+0x1b0/0x1b0 [ 72.002394][ T8443] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 72.008562][ T8443] vfs_read+0x35c/0x570 [ 72.012716][ T8443] ksys_read+0x1ee/0x250 [ 72.016968][ T8443] ? vfs_write+0xa40/0xa40 [ 72.021392][ T8443] ? syscall_enter_from_user_mode+0x27/0x70 [ 72.027283][ T8443] do_syscall_64+0x3a/0xb0 [ 72.031714][ T8443] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.037603][ T8443] RIP: 0033:0x4af19b [ 72.041486][ T8443] 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 [ 72.062820][ T8443] RSP: 002b:000000c000501850 EFLAGS: 00000206 ORIG_RAX: 0000000000000000 [ 72.071224][ T8443] RAX: ffffffffffffffda RBX: 000000c00001c000 RCX: 00000000004af19b [ 72.079203][ T8443] RDX: 0000000000001000 RSI: 000000c0001a8000 RDI: 0000000000000006 [ 72.087176][ T8443] RBP: 000000c0005018a0 R08: 0000000000000001 R09: 0000000000000002 [ 72.095145][ T8443] R10: 00000000000026a2 R11: 0000000000000206 R12: 000000000000269e [ 72.103111][ T8443] R13: 0000000000000100 R14: 0000000000000040 R15: 0000000000000020 [ 72.111104][ T8443] ================================================================== [ 72.119161][ T8443] Disabling lock debugging due to kernel taint [ 72.128262][ T8443] Kernel panic - not syncing: panic_on_warn set ... [ 72.134868][ T8443] CPU: 0 PID: 8443 Comm: syz-fuzzer Tainted: G B 5.12.0-rc8-next-20210423-syzkaller #0 [ 72.145799][ T8443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.155837][ T8443] Call Trace: [ 72.159127][ T8443] dump_stack+0x141/0x1d7 [ 72.163475][ T8443] panic+0x306/0x73d [ 72.167354][ T8443] ? __warn_printk+0xf3/0xf3 [ 72.171939][ T8443] ? preempt_schedule_common+0x59/0xc0 [ 72.177399][ T8443] ? copyout.part.0+0xd7/0x110 [ 72.182167][ T8443] ? preempt_schedule_thunk+0x16/0x18 [ 72.187537][ T8443] ? trace_hardirqs_on+0x38/0x1c0 [ 72.192541][ T8443] ? trace_hardirqs_on+0x51/0x1c0 [ 72.197561][ T8443] ? copyout.part.0+0xd7/0x110 [ 72.202323][ T8443] ? copyout.part.0+0xd7/0x110 [ 72.207069][ T8443] end_report.cold+0x5a/0x5a [ 72.211663][ T8443] kasan_report.cold+0x6a/0xd8 [ 72.216441][ T8443] ? copyout.part.0+0xd7/0x110 [ 72.221188][ T8443] kasan_check_range+0x13d/0x180 [ 72.226121][ T8443] copyout.part.0+0xd7/0x110 [ 72.230698][ T8443] _copy_to_iter+0x2b4/0x1850 [ 72.235360][ T8443] ? lock_chain_count+0x20/0x20 [ 72.240212][ T8443] ? _copy_from_iter_nocache+0x1440/0x1440 [ 72.245998][ T8443] ? tcp_mstamp_refresh+0x12/0xa0 [ 72.251048][ T8443] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.257315][ T8443] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 72.263019][ T8443] ? __virt_addr_valid+0x5d/0x2d0 [ 72.268028][ T8443] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.274256][ T8443] ? __phys_addr_symbol+0x2c/0x70 [ 72.279266][ T8443] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 72.284968][ T8443] ? __check_object_size+0x18a/0x3f0 [ 72.290239][ T8443] simple_copy_to_iter+0x4c/0x70 [ 72.295178][ T8443] __skb_datagram_iter+0x4a7/0x770 [ 72.300271][ T8443] ? zerocopy_sg_from_iter+0x110/0x110 [ 72.305726][ T8443] skb_copy_datagram_iter+0x40/0x50 [ 72.310907][ T8443] tcp_recvmsg_locked+0x1048/0x22f0 [ 72.316104][ T8443] ? tcp_splice_read+0x8b0/0x8b0 [ 72.321029][ T8443] ? mark_held_locks+0x9f/0xe0 [ 72.325788][ T8443] ? __local_bh_enable_ip+0xa0/0x120 [ 72.331054][ T8443] tcp_recvmsg+0x134/0x550 [ 72.335454][ T8443] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 72.340959][ T8443] ? aa_sk_perm+0x311/0xab0 [ 72.345443][ T8443] inet_recvmsg+0x11b/0x5e0 [ 72.349930][ T8443] ? inet_sendpage+0x140/0x140 [ 72.354763][ T8443] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.360997][ T8443] ? security_socket_recvmsg+0x8f/0xc0 [ 72.366452][ T8443] sock_read_iter+0x33c/0x470 [ 72.371135][ T8443] ? ____sys_recvmsg+0x600/0x600 [ 72.376080][ T8443] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.382309][ T8443] ? fsnotify+0xa58/0x1060 [ 72.386715][ T8443] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.392941][ T8443] new_sync_read+0x5b7/0x6e0 [ 72.397530][ T8443] ? ksys_lseek+0x1b0/0x1b0 [ 72.402186][ T8443] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 72.408155][ T8443] vfs_read+0x35c/0x570 [ 72.412293][ T8443] ksys_read+0x1ee/0x250 [ 72.416532][ T8443] ? vfs_write+0xa40/0xa40 [ 72.420927][ T8443] ? syscall_enter_from_user_mode+0x27/0x70 [ 72.426802][ T8443] do_syscall_64+0x3a/0xb0 [ 72.431201][ T8443] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.437076][ T8443] RIP: 0033:0x4af19b [ 72.440981][ T8443] 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 [ 72.460615][ T8443] RSP: 002b:000000c000501850 EFLAGS: 00000206 ORIG_RAX: 0000000000000000 [ 72.469058][ T8443] RAX: ffffffffffffffda RBX: 000000c00001c000 RCX: 00000000004af19b [ 72.477016][ T8443] RDX: 0000000000001000 RSI: 000000c0001a8000 RDI: 0000000000000006 [ 72.485026][ T8443] RBP: 000000c0005018a0 R08: 0000000000000001 R09: 0000000000000002 [ 72.492983][ T8443] R10: 00000000000026a2 R11: 0000000000000206 R12: 000000000000269e [ 72.500952][ T8443] R13: 0000000000000100 R14: 0000000000000040 R15: 0000000000000020 [ 72.509934][ T8443] Kernel Offset: disabled [ 72.515047][ T8443] Rebooting in 86400 seconds..