Warning: Permanently added '10.128.0.122' (ECDSA) to the list of known hosts. 2021/05/02 23:03:08 fuzzer started 2021/05/02 23:03:09 dialing manager at 10.128.0.169:44661 2021/05/02 23:03:09 syscalls: 3571 2021/05/02 23:03:09 code coverage: enabled 2021/05/02 23:03:09 comparison tracing: enabled 2021/05/02 23:03:09 extra coverage: enabled 2021/05/02 23:03:09 setuid sandbox: enabled 2021/05/02 23:03:09 namespace sandbox: enabled 2021/05/02 23:03:09 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/02 23:03:09 fault injection: enabled 2021/05/02 23:03:09 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/02 23:03:09 net packet injection: enabled 2021/05/02 23:03:09 net device setup: enabled 2021/05/02 23:03:09 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/02 23:03:09 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/02 23:03:09 USB emulation: enabled 2021/05/02 23:03:09 hci packet injection: enabled 2021/05/02 23:03:09 wifi device emulation: enabled 2021/05/02 23:03:09 802.15.4 emulation: enabled 2021/05/02 23:03:09 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/02 23:03:09 fetching corpus: 50, signal 55946/59655 (executing program) 2021/05/02 23:03:09 fetching corpus: 100, signal 85630/90978 (executing program) 2021/05/02 23:03:09 fetching corpus: 150, signal 105318/112225 (executing program) 2021/05/02 23:03:10 fetching corpus: 200, signal 119528/127994 (executing program) 2021/05/02 23:03:10 fetching corpus: 250, signal 143988/153777 (executing program) 2021/05/02 23:03:10 fetching corpus: 300, signal 156919/168090 (executing program) 2021/05/02 23:03:10 fetching corpus: 350, signal 171836/184330 (executing program) 2021/05/02 23:03:10 fetching corpus: 400, signal 186116/199862 (executing program) 2021/05/02 23:03:10 fetching corpus: 450, signal 194530/209555 (executing program) syzkaller login: [ 62.128252][ T8439] ================================================================== [ 62.136660][ T8439] BUG: KASAN: wild-memory-access in copyout.part.0+0xd7/0x110 [ 62.144152][ T8439] Read of size 416 at addr 108548c02e268010 by task syz-fuzzer/8439 [ 62.152200][ T8439] [ 62.154500][ T8439] CPU: 0 PID: 8439 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 62.164029][ T8439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.174077][ T8439] Call Trace: [ 62.177348][ T8439] dump_stack+0x141/0x1d7 [ 62.181667][ T8439] ? copyout.part.0+0xd7/0x110 [ 62.186408][ T8439] kasan_report.cold+0x5f/0xd8 [ 62.191150][ T8439] ? copyout.part.0+0xd7/0x110 [ 62.195905][ T8439] kasan_check_range+0x13d/0x180 [ 62.200829][ T8439] copyout.part.0+0xd7/0x110 [ 62.205399][ T8439] _copy_to_iter+0x2b4/0x1850 [ 62.210061][ T8439] ? lock_chain_count+0x20/0x20 [ 62.214891][ T8439] ? ip_local_deliver_finish+0x240/0x370 [ 62.220544][ T8439] ? _copy_from_iter_nocache+0x1440/0x1440 [ 62.226324][ T8439] ? ip_local_deliver+0x195/0x200 [ 62.231326][ T8439] ? ip_sublist_rcv_finish+0x9a/0x2c0 [ 62.236699][ T8439] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 62.242919][ T8439] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 62.248633][ T8439] ? __virt_addr_valid+0x5d/0x2d0 [ 62.253631][ T8439] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 62.259850][ T8439] ? __phys_addr_symbol+0x2c/0x70 [ 62.264851][ T8439] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 62.270566][ T8439] ? __check_object_size+0x18a/0x3f0 [ 62.275836][ T8439] simple_copy_to_iter+0x4c/0x70 [ 62.280752][ T8439] __skb_datagram_iter+0x4a7/0x770 [ 62.285842][ T8439] ? zerocopy_sg_from_iter+0x110/0x110 [ 62.291278][ T8439] skb_copy_datagram_iter+0x40/0x50 [ 62.296475][ T8439] tcp_recvmsg_locked+0x1048/0x22f0 [ 62.301665][ T8439] ? tcp_splice_read+0x8b0/0x8b0 [ 62.306584][ T8439] ? mark_held_locks+0x9f/0xe0 [ 62.311338][ T8439] ? __local_bh_enable_ip+0xa0/0x120 [ 62.316613][ T8439] tcp_recvmsg+0x134/0x550 [ 62.321004][ T8439] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 62.326371][ T8439] ? aa_sk_perm+0x311/0xab0 [ 62.330864][ T8439] inet_recvmsg+0x11b/0x5e0 [ 62.335361][ T8439] ? inet_sendpage+0x140/0x140 [ 62.340107][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 62.346324][ T8439] ? security_socket_recvmsg+0x8f/0xc0 [ 62.351763][ T8439] sock_read_iter+0x33c/0x470 [ 62.356420][ T8439] ? ____sys_recvmsg+0x600/0x600 [ 62.361339][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 62.367559][ T8439] ? fsnotify+0xa58/0x1060 [ 62.371982][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 62.378234][ T8439] new_sync_read+0x5b7/0x6e0 [ 62.382800][ T8439] ? ksys_lseek+0x1b0/0x1b0 [ 62.387287][ T8439] vfs_read+0x35c/0x570 [ 62.391418][ T8439] ksys_read+0x1ee/0x250 [ 62.395638][ T8439] ? vfs_write+0xa40/0xa40 [ 62.400043][ T8439] ? syscall_enter_from_user_mode+0x27/0x70 [ 62.405920][ T8439] do_syscall_64+0x3a/0xb0 [ 62.410317][ T8439] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 62.416185][ T8439] RIP: 0033:0x4af19b [ 62.420055][ 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 [ 62.439635][ T8439] RSP: 002b:000000c00003b828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 62.448031][ T8439] RAX: ffffffffffffffda RBX: 000000c00001e800 RCX: 00000000004af19b [ 62.455976][ T8439] RDX: 0000000000001000 RSI: 000000c0002f1000 RDI: 0000000000000006 [ 62.463937][ T8439] RBP: 000000c00003b878 R08: 0000000000000001 R09: 0000000000000002 [ 62.471886][ T8439] R10: 00000000000050df R11: 0000000000000212 R12: 00000000000050db [ 62.479833][ T8439] R13: 0000000000000200 R14: 0000000000000002 R15: 0000000000000002 [ 62.487789][ T8439] ================================================================== [ 62.495819][ T8439] Disabling lock debugging due to kernel taint [ 62.503698][ T8439] Kernel panic - not syncing: panic_on_warn set ... [ 62.510303][ T8439] CPU: 1 PID: 8439 Comm: syz-fuzzer Tainted: G B 5.12.0-rc8-next-20210423-syzkaller #0 [ 62.521219][ T8439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.531251][ T8439] Call Trace: [ 62.534510][ T8439] dump_stack+0x141/0x1d7 [ 62.538827][ T8439] panic+0x306/0x73d [ 62.542825][ T8439] ? __warn_printk+0xf3/0xf3 [ 62.547414][ T8439] ? preempt_schedule_common+0x59/0xc0 [ 62.552941][ T8439] ? copyout.part.0+0xd7/0x110 [ 62.557688][ T8439] ? preempt_schedule_thunk+0x16/0x18 [ 62.563044][ T8439] ? trace_hardirqs_on+0x38/0x1c0 [ 62.568051][ T8439] ? trace_hardirqs_on+0x51/0x1c0 [ 62.573064][ T8439] ? copyout.part.0+0xd7/0x110 [ 62.577807][ T8439] ? copyout.part.0+0xd7/0x110 [ 62.582562][ T8439] end_report.cold+0x5a/0x5a [ 62.587133][ T8439] kasan_report.cold+0x6a/0xd8 [ 62.591878][ T8439] ? copyout.part.0+0xd7/0x110 [ 62.596621][ T8439] kasan_check_range+0x13d/0x180 [ 62.601536][ T8439] copyout.part.0+0xd7/0x110 [ 62.606105][ T8439] _copy_to_iter+0x2b4/0x1850 [ 62.610764][ T8439] ? lock_chain_count+0x20/0x20 [ 62.615600][ T8439] ? ip_local_deliver_finish+0x240/0x370 [ 62.621251][ T8439] ? _copy_from_iter_nocache+0x1440/0x1440 [ 62.627048][ T8439] ? ip_local_deliver+0x195/0x200 [ 62.632057][ T8439] ? ip_sublist_rcv_finish+0x9a/0x2c0 [ 62.637435][ T8439] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 62.643674][ T8439] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 62.649398][ T8439] ? __virt_addr_valid+0x5d/0x2d0 [ 62.654402][ T8439] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 62.660640][ T8439] ? __phys_addr_symbol+0x2c/0x70 [ 62.665644][ T8439] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 62.671348][ T8439] ? __check_object_size+0x18a/0x3f0 [ 62.676621][ T8439] simple_copy_to_iter+0x4c/0x70 [ 62.681559][ T8439] __skb_datagram_iter+0x4a7/0x770 [ 62.686654][ T8439] ? zerocopy_sg_from_iter+0x110/0x110 [ 62.692718][ T8439] skb_copy_datagram_iter+0x40/0x50 [ 62.697909][ T8439] tcp_recvmsg_locked+0x1048/0x22f0 [ 62.703094][ T8439] ? tcp_splice_read+0x8b0/0x8b0 [ 62.708013][ T8439] ? mark_held_locks+0x9f/0xe0 [ 62.712792][ T8439] ? __local_bh_enable_ip+0xa0/0x120 [ 62.718069][ T8439] tcp_recvmsg+0x134/0x550 [ 62.722473][ T8439] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 62.727830][ T8439] ? aa_sk_perm+0x311/0xab0 [ 62.732315][ T8439] inet_recvmsg+0x11b/0x5e0 [ 62.736803][ T8439] ? inet_sendpage+0x140/0x140 [ 62.741547][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 62.747769][ T8439] ? security_socket_recvmsg+0x8f/0xc0 [ 62.753208][ T8439] sock_read_iter+0x33c/0x470 [ 62.757866][ T8439] ? ____sys_recvmsg+0x600/0x600 [ 62.762786][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 62.769011][ T8439] ? fsnotify+0xa58/0x1060 [ 62.773432][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 62.779658][ T8439] new_sync_read+0x5b7/0x6e0 [ 62.784236][ T8439] ? ksys_lseek+0x1b0/0x1b0 [ 62.788726][ T8439] vfs_read+0x35c/0x570 [ 62.792876][ T8439] ksys_read+0x1ee/0x250 [ 62.797112][ T8439] ? vfs_write+0xa40/0xa40 [ 62.801514][ T8439] ? syscall_enter_from_user_mode+0x27/0x70 [ 62.807418][ T8439] do_syscall_64+0x3a/0xb0 [ 62.811830][ T8439] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 62.817802][ T8439] RIP: 0033:0x4af19b [ 62.821675][ 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 [ 62.841262][ T8439] RSP: 002b:000000c00003b828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 62.849651][ T8439] RAX: ffffffffffffffda RBX: 000000c00001e800 RCX: 00000000004af19b [ 62.857600][ T8439] RDX: 0000000000001000 RSI: 000000c0002f1000 RDI: 0000000000000006 [ 62.865545][ T8439] RBP: 000000c00003b878 R08: 0000000000000001 R09: 0000000000000002 [ 62.873496][ T8439] R10: 00000000000050df R11: 0000000000000212 R12: 00000000000050db [ 62.881446][ T8439] R13: 0000000000000200 R14: 0000000000000002 R15: 0000000000000002 [ 62.889913][ T8439] Kernel Offset: disabled [ 62.894255][ T8439] Rebooting in 86400 seconds..