Warning: Permanently added '10.128.1.52' (ECDSA) to the list of known hosts. 2021/05/04 02:00:39 fuzzer started 2021/05/04 02:00:40 dialing manager at 10.128.0.169:34381 2021/05/04 02:00:40 syscalls: 3586 2021/05/04 02:00:40 code coverage: enabled 2021/05/04 02:00:40 comparison tracing: enabled 2021/05/04 02:00:40 extra coverage: enabled 2021/05/04 02:00:40 setuid sandbox: enabled 2021/05/04 02:00:40 namespace sandbox: enabled 2021/05/04 02:00:40 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/04 02:00:40 fault injection: enabled 2021/05/04 02:00:40 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/04 02:00:40 net packet injection: enabled 2021/05/04 02:00:40 net device setup: enabled 2021/05/04 02:00:40 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/04 02:00:40 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/04 02:00:40 USB emulation: enabled 2021/05/04 02:00:40 hci packet injection: enabled 2021/05/04 02:00:40 wifi device emulation: enabled 2021/05/04 02:00:40 802.15.4 emulation: enabled 2021/05/04 02:00:40 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/04 02:00:41 fetching corpus: 50, signal 56842/60465 (executing program) 2021/05/04 02:00:41 fetching corpus: 100, signal 81401/86583 (executing program) 2021/05/04 02:00:41 fetching corpus: 150, signal 103355/110013 (executing program) 2021/05/04 02:00:41 fetching corpus: 200, signal 126729/134636 (executing program) 2021/05/04 02:00:42 fetching corpus: 250, signal 141463/150678 (executing program) 2021/05/04 02:00:42 fetching corpus: 300, signal 154893/165365 (executing program) 2021/05/04 02:00:42 fetching corpus: 350, signal 167650/179287 (executing program) 2021/05/04 02:00:42 fetching corpus: 400, signal 177714/190524 (executing program) 2021/05/04 02:00:43 fetching corpus: 450, signal 184687/198656 (executing program) 2021/05/04 02:00:43 fetching corpus: 500, signal 195624/210616 (executing program) 2021/05/04 02:00:43 fetching corpus: 550, signal 203469/219517 (executing program) 2021/05/04 02:00:43 fetching corpus: 600, signal 213490/230439 (executing program) 2021/05/04 02:00:44 fetching corpus: 650, signal 221461/239376 (executing program) syzkaller login: [ 71.052583][ T3260] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.059149][ T3260] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.069955][ T8444] ================================================================== [ 71.078184][ T8444] BUG: KASAN: wild-memory-access in copyout.part.0+0xd7/0x110 [ 71.085669][ T8444] Read of size 3872 at addr 1dc09580a68d8c55 by task syz-fuzzer/8444 [ 71.093717][ T8444] [ 71.096026][ T8444] CPU: 0 PID: 8444 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 71.105545][ T8444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.115583][ T8444] Call Trace: [ 71.118856][ T8444] dump_stack+0x141/0x1d7 [ 71.123197][ T8444] ? copyout.part.0+0xd7/0x110 [ 71.127954][ T8444] kasan_report.cold+0x5f/0xd8 [ 71.132757][ T8444] ? copyout.part.0+0xd7/0x110 [ 71.137508][ T8444] kasan_check_range+0x13d/0x180 [ 71.142436][ T8444] copyout.part.0+0xd7/0x110 [ 71.147017][ T8444] _copy_to_iter+0x2b4/0x1850 [ 71.151780][ T8444] ? lock_chain_count+0x20/0x20 [ 71.156621][ T8444] ? _copy_from_iter_nocache+0x1440/0x1440 [ 71.162550][ T8444] ? tcp_mstamp_refresh+0x12/0xa0 [ 71.167798][ T8444] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.174065][ T8444] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 71.179770][ T8444] ? __virt_addr_valid+0x5d/0x2d0 [ 71.184779][ T8444] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.191004][ T8444] ? __phys_addr_symbol+0x2c/0x70 [ 71.196013][ T8444] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 71.201759][ T8444] ? __check_object_size+0x18a/0x3f0 [ 71.207033][ T8444] simple_copy_to_iter+0x4c/0x70 [ 71.211957][ T8444] __skb_datagram_iter+0x4a7/0x770 [ 71.217052][ T8444] ? zerocopy_sg_from_iter+0x110/0x110 [ 71.222533][ T8444] skb_copy_datagram_iter+0x40/0x50 [ 71.227723][ T8444] tcp_recvmsg_locked+0x1048/0x22f0 [ 71.232917][ T8444] ? tcp_splice_read+0x8b0/0x8b0 [ 71.237840][ T8444] ? mark_held_locks+0x9f/0xe0 [ 71.242592][ T8444] ? __local_bh_enable_ip+0xa0/0x120 [ 71.247864][ T8444] tcp_recvmsg+0x134/0x550 [ 71.252269][ T8444] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 71.257634][ T8444] ? aa_sk_perm+0x311/0xab0 [ 71.262122][ T8444] inet_recvmsg+0x11b/0x5e0 [ 71.266650][ T8444] ? inet_sendpage+0x140/0x140 [ 71.271401][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.277663][ T8444] ? security_socket_recvmsg+0x8f/0xc0 [ 71.283119][ T8444] sock_read_iter+0x33c/0x470 [ 71.287801][ T8444] ? ____sys_recvmsg+0x600/0x600 [ 71.292757][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.298984][ T8444] ? fsnotify+0xa58/0x1060 [ 71.303416][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.309675][ T8444] new_sync_read+0x5b7/0x6e0 [ 71.314253][ T8444] ? ksys_lseek+0x1b0/0x1b0 [ 71.318738][ T8444] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 71.324714][ T8444] vfs_read+0x35c/0x570 [ 71.328852][ T8444] ksys_read+0x1ee/0x250 [ 71.333077][ T8444] ? vfs_write+0xa40/0xa40 [ 71.337476][ T8444] ? syscall_enter_from_user_mode+0x27/0x70 [ 71.343353][ T8444] do_syscall_64+0x3a/0xb0 [ 71.347755][ T8444] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.353631][ T8444] RIP: 0033:0x4af19b [ 71.357519][ 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 [ 71.377105][ T8444] RSP: 002b:000000c00039b850 EFLAGS: 00000206 ORIG_RAX: 0000000000000000 [ 71.385497][ T8444] RAX: ffffffffffffffda RBX: 000000c00001c000 RCX: 00000000004af19b [ 71.393449][ T8444] RDX: 0000000000001000 RSI: 000000c00057e000 RDI: 0000000000000006 [ 71.401404][ T8444] RBP: 000000c00039b8a0 R08: 0000000000000001 R09: 0000000000000002 [ 71.409353][ T8444] R10: 0000000000000fd4 R11: 0000000000000206 R12: 0000000000000fd0 [ 71.417302][ T8444] R13: 0000000000000400 R14: 0000000000000002 R15: 0000000000000002 [ 71.425263][ T8444] ================================================================== [ 71.433386][ T8444] Disabling lock debugging due to kernel taint [ 71.441303][ T8444] Kernel panic - not syncing: panic_on_warn set ... [ 71.447890][ T8444] CPU: 0 PID: 8444 Comm: syz-fuzzer Tainted: G B 5.12.0-rc8-next-20210423-syzkaller #0 [ 71.458821][ T8444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.468854][ T8444] Call Trace: [ 71.472116][ T8444] dump_stack+0x141/0x1d7 [ 71.476427][ T8444] panic+0x306/0x73d [ 71.480300][ T8444] ? __warn_printk+0xf3/0xf3 [ 71.484893][ T8444] ? preempt_schedule_common+0x59/0xc0 [ 71.490351][ T8444] ? copyout.part.0+0xd7/0x110 [ 71.495099][ T8444] ? preempt_schedule_thunk+0x16/0x18 [ 71.500451][ T8444] ? trace_hardirqs_on+0x38/0x1c0 [ 71.505453][ T8444] ? trace_hardirqs_on+0x51/0x1c0 [ 71.510455][ T8444] ? copyout.part.0+0xd7/0x110 [ 71.515196][ T8444] ? copyout.part.0+0xd7/0x110 [ 71.519939][ T8444] end_report.cold+0x5a/0x5a [ 71.524508][ T8444] kasan_report.cold+0x6a/0xd8 [ 71.529263][ T8444] ? copyout.part.0+0xd7/0x110 [ 71.534007][ T8444] kasan_check_range+0x13d/0x180 [ 71.538922][ T8444] copyout.part.0+0xd7/0x110 [ 71.543490][ T8444] _copy_to_iter+0x2b4/0x1850 [ 71.548145][ T8444] ? lock_chain_count+0x20/0x20 [ 71.552979][ T8444] ? _copy_from_iter_nocache+0x1440/0x1440 [ 71.558884][ T8444] ? tcp_mstamp_refresh+0x12/0xa0 [ 71.563887][ T8444] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.570110][ T8444] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 71.575820][ T8444] ? __virt_addr_valid+0x5d/0x2d0 [ 71.580820][ T8444] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.587040][ T8444] ? __phys_addr_symbol+0x2c/0x70 [ 71.592043][ T8444] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 71.597744][ T8444] ? __check_object_size+0x18a/0x3f0 [ 71.603009][ T8444] simple_copy_to_iter+0x4c/0x70 [ 71.607942][ T8444] __skb_datagram_iter+0x4a7/0x770 [ 71.613043][ T8444] ? zerocopy_sg_from_iter+0x110/0x110 [ 71.618478][ T8444] skb_copy_datagram_iter+0x40/0x50 [ 71.623655][ T8444] tcp_recvmsg_locked+0x1048/0x22f0 [ 71.628848][ T8444] ? tcp_splice_read+0x8b0/0x8b0 [ 71.633874][ T8444] ? mark_held_locks+0x9f/0xe0 [ 71.638620][ T8444] ? __local_bh_enable_ip+0xa0/0x120 [ 71.643885][ T8444] tcp_recvmsg+0x134/0x550 [ 71.648283][ T8444] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 71.653638][ T8444] ? aa_sk_perm+0x311/0xab0 [ 71.658121][ T8444] inet_recvmsg+0x11b/0x5e0 [ 71.662607][ T8444] ? inet_sendpage+0x140/0x140 [ 71.667347][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.673569][ T8444] ? security_socket_recvmsg+0x8f/0xc0 [ 71.679009][ T8444] sock_read_iter+0x33c/0x470 [ 71.683666][ T8444] ? ____sys_recvmsg+0x600/0x600 [ 71.688586][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.694807][ T8444] ? fsnotify+0xa58/0x1060 [ 71.699202][ T8444] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.705430][ T8444] new_sync_read+0x5b7/0x6e0 [ 71.709999][ T8444] ? ksys_lseek+0x1b0/0x1b0 [ 71.714479][ T8444] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 71.720457][ T8444] vfs_read+0x35c/0x570 [ 71.724590][ T8444] ksys_read+0x1ee/0x250 [ 71.728808][ T8444] ? vfs_write+0xa40/0xa40 [ 71.733200][ T8444] ? syscall_enter_from_user_mode+0x27/0x70 [ 71.739073][ T8444] do_syscall_64+0x3a/0xb0 [ 71.743469][ T8444] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.749344][ T8444] RIP: 0033:0x4af19b [ 71.753215][ 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 [ 71.772798][ T8444] RSP: 002b:000000c00039b850 EFLAGS: 00000206 ORIG_RAX: 0000000000000000 [ 71.781188][ T8444] RAX: ffffffffffffffda RBX: 000000c00001c000 RCX: 00000000004af19b [ 71.789139][ T8444] RDX: 0000000000001000 RSI: 000000c00057e000 RDI: 0000000000000006 [ 71.797092][ T8444] RBP: 000000c00039b8a0 R08: 0000000000000001 R09: 0000000000000002 [ 71.805040][ T8444] R10: 0000000000000fd4 R11: 0000000000000206 R12: 0000000000000fd0 [ 71.812992][ T8444] R13: 0000000000000400 R14: 0000000000000002 R15: 0000000000000002 [ 71.821538][ T8444] Kernel Offset: disabled [ 71.825844][ T8444] Rebooting in 86400 seconds..