Warning: Permanently added '10.128.1.4' (ECDSA) to the list of known hosts. 2021/05/02 08:57:35 fuzzer started 2021/05/02 08:57:36 dialing manager at 10.128.0.169:44661 2021/05/02 08:57:36 syscalls: 3571 2021/05/02 08:57:36 code coverage: enabled 2021/05/02 08:57:36 comparison tracing: enabled 2021/05/02 08:57:36 extra coverage: enabled 2021/05/02 08:57:36 setuid sandbox: enabled 2021/05/02 08:57:36 namespace sandbox: enabled 2021/05/02 08:57:36 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/02 08:57:36 fault injection: enabled 2021/05/02 08:57:36 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/02 08:57:36 net packet injection: enabled 2021/05/02 08:57:36 net device setup: enabled 2021/05/02 08:57:36 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/02 08:57:36 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/02 08:57:36 USB emulation: enabled 2021/05/02 08:57:36 hci packet injection: enabled 2021/05/02 08:57:36 wifi device emulation: enabled 2021/05/02 08:57:36 802.15.4 emulation: enabled 2021/05/02 08:57:36 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/02 08:57:36 fetching corpus: 50, signal 43673/47462 (executing program) 2021/05/02 08:57:36 fetching corpus: 100, signal 79532/84922 (executing program) 2021/05/02 08:57:36 fetching corpus: 150, signal 110860/117720 (executing program) 2021/05/02 08:57:37 fetching corpus: 200, signal 130887/139183 (executing program) 2021/05/02 08:57:37 fetching corpus: 250, signal 152849/162490 (executing program) 2021/05/02 08:57:37 fetching corpus: 300, signal 163863/174915 (executing program) [ 77.151127][ T8469] ================================================================== [ 77.159431][ T8469] BUG: KASAN: wild-memory-access in copyout.part.0+0xd7/0x110 [ 77.166905][ T8469] Read of size 2160 at addr 108548c034328010 by task syz-fuzzer/8469 [ 77.174958][ T8469] [ 77.177359][ T8469] CPU: 1 PID: 8469 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 77.186904][ T8469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.196994][ T8469] Call Trace: [ 77.200266][ T8469] dump_stack+0x141/0x1d7 [ 77.204604][ T8469] ? copyout.part.0+0xd7/0x110 [ 77.209357][ T8469] kasan_report.cold+0x5f/0xd8 [ 77.214116][ T8469] ? copyout.part.0+0xd7/0x110 [ 77.218866][ T8469] kasan_check_range+0x13d/0x180 [ 77.223792][ T8469] copyout.part.0+0xd7/0x110 [ 77.228390][ T8469] _copy_to_iter+0x2b4/0x1850 [ 77.233066][ T8469] ? lock_chain_count+0x20/0x20 [ 77.237919][ T8469] ? _copy_from_iter_nocache+0x1440/0x1440 [ 77.243718][ T8469] ? tcp_mstamp_refresh+0x12/0xa0 [ 77.248742][ T8469] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 77.254980][ T8469] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 77.260700][ T8469] ? __virt_addr_valid+0x5d/0x2d0 [ 77.265721][ T8469] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 77.271957][ T8469] ? __phys_addr_symbol+0x2c/0x70 [ 77.276972][ T8469] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 77.282687][ T8469] ? __check_object_size+0x18a/0x3f0 [ 77.287971][ T8469] simple_copy_to_iter+0x4c/0x70 [ 77.292905][ T8469] __skb_datagram_iter+0x4a7/0x770 [ 77.298011][ T8469] ? zerocopy_sg_from_iter+0x110/0x110 [ 77.303469][ T8469] skb_copy_datagram_iter+0x40/0x50 [ 77.308750][ T8469] tcp_recvmsg_locked+0x1048/0x22f0 [ 77.313957][ T8469] ? tcp_splice_read+0x8b0/0x8b0 [ 77.318890][ T8469] ? mark_held_locks+0x9f/0xe0 [ 77.323653][ T8469] ? __local_bh_enable_ip+0xa0/0x120 [ 77.328937][ T8469] tcp_recvmsg+0x134/0x550 [ 77.333349][ T8469] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 77.338728][ T8469] ? aa_sk_perm+0x311/0xab0 [ 77.343229][ T8469] inet_recvmsg+0x11b/0x5e0 [ 77.347730][ T8469] ? inet_sendpage+0x140/0x140 [ 77.352492][ T8469] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.358730][ T8469] ? security_socket_recvmsg+0x8f/0xc0 [ 77.364189][ T8469] sock_read_iter+0x33c/0x470 [ 77.368864][ T8469] ? ____sys_recvmsg+0x600/0x600 [ 77.373804][ T8469] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.380046][ T8469] ? fsnotify+0xa58/0x1060 [ 77.384461][ T8469] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.390704][ T8469] new_sync_read+0x5b7/0x6e0 [ 77.395290][ T8469] ? ksys_lseek+0x1b0/0x1b0 [ 77.399786][ T8469] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 77.405780][ T8469] vfs_read+0x35c/0x570 [ 77.409930][ T8469] ksys_read+0x1ee/0x250 [ 77.414166][ T8469] ? vfs_write+0xa40/0xa40 [ 77.418575][ T8469] ? syscall_enter_from_user_mode+0x27/0x70 [ 77.424466][ T8469] do_syscall_64+0x3a/0xb0 [ 77.428880][ T8469] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 77.434767][ T8469] RIP: 0033:0x4af19b [ 77.438659][ T8469] 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 [ 77.458261][ T8469] RSP: 002b:000000c000391840 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 77.466670][ T8469] RAX: ffffffffffffffda RBX: 000000c00001e800 RCX: 00000000004af19b [ 77.474717][ T8469] RDX: 0000000000001000 RSI: 000000c000198000 RDI: 0000000000000006 [ 77.482678][ T8469] RBP: 000000c000391890 R08: 0000000000000001 R09: 0000000000000002 [ 77.490638][ T8469] R10: 0000000000000bca R11: 0000000000000202 R12: 0000000000000bc6 [ 77.498598][ T8469] R13: 0000000000000004 R14: 0000000000000002 R15: 0000000000000002 [ 77.506579][ T8469] ================================================================== [ 77.514624][ T8469] Disabling lock debugging due to kernel taint [ 77.521075][ T8469] Kernel panic - not syncing: panic_on_warn set ... [ 77.527671][ T8469] CPU: 0 PID: 8469 Comm: syz-fuzzer Tainted: G B 5.12.0-rc8-next-20210423-syzkaller #0 [ 77.542271][ T8469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.552415][ T8469] Call Trace: [ 77.555682][ T8469] dump_stack+0x141/0x1d7 [ 77.560000][ T8469] panic+0x306/0x73d [ 77.563921][ T8469] ? __warn_printk+0xf3/0xf3 [ 77.568540][ T8469] ? preempt_schedule_common+0x59/0xc0 [ 77.573987][ T8469] ? copyout.part.0+0xd7/0x110 [ 77.578735][ T8469] ? preempt_schedule_thunk+0x16/0x18 [ 77.584093][ T8469] ? trace_hardirqs_on+0x38/0x1c0 [ 77.589110][ T8469] ? trace_hardirqs_on+0x51/0x1c0 [ 77.594321][ T8469] ? copyout.part.0+0xd7/0x110 [ 77.599086][ T8469] ? copyout.part.0+0xd7/0x110 [ 77.603845][ T8469] end_report.cold+0x5a/0x5a [ 77.608474][ T8469] kasan_report.cold+0x6a/0xd8 [ 77.613272][ T8469] ? copyout.part.0+0xd7/0x110 [ 77.618029][ T8469] kasan_check_range+0x13d/0x180 [ 77.622955][ T8469] copyout.part.0+0xd7/0x110 [ 77.627568][ T8469] _copy_to_iter+0x2b4/0x1850 [ 77.632231][ T8469] ? lock_chain_count+0x20/0x20 [ 77.637070][ T8469] ? _copy_from_iter_nocache+0x1440/0x1440 [ 77.642857][ T8469] ? tcp_mstamp_refresh+0x12/0xa0 [ 77.647869][ T8469] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 77.654096][ T8469] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 77.659802][ T8469] ? __virt_addr_valid+0x5d/0x2d0 [ 77.664810][ T8469] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 77.671059][ T8469] ? __phys_addr_symbol+0x2c/0x70 [ 77.676065][ T8469] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 77.681768][ T8469] ? __check_object_size+0x18a/0x3f0 [ 77.687057][ T8469] simple_copy_to_iter+0x4c/0x70 [ 77.691997][ T8469] __skb_datagram_iter+0x4a7/0x770 [ 77.697094][ T8469] ? zerocopy_sg_from_iter+0x110/0x110 [ 77.702534][ T8469] skb_copy_datagram_iter+0x40/0x50 [ 77.707714][ T8469] tcp_recvmsg_locked+0x1048/0x22f0 [ 77.712899][ T8469] ? tcp_splice_read+0x8b0/0x8b0 [ 77.717822][ T8469] ? mark_held_locks+0x9f/0xe0 [ 77.722586][ T8469] ? __local_bh_enable_ip+0xa0/0x120 [ 77.727872][ T8469] tcp_recvmsg+0x134/0x550 [ 77.732273][ T8469] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 77.737631][ T8469] ? aa_sk_perm+0x311/0xab0 [ 77.742141][ T8469] inet_recvmsg+0x11b/0x5e0 [ 77.746630][ T8469] ? inet_sendpage+0x140/0x140 [ 77.751379][ T8469] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.757608][ T8469] ? security_socket_recvmsg+0x8f/0xc0 [ 77.763056][ T8469] sock_read_iter+0x33c/0x470 [ 77.767720][ T8469] ? ____sys_recvmsg+0x600/0x600 [ 77.772668][ T8469] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.778916][ T8469] ? fsnotify+0xa58/0x1060 [ 77.783317][ T8469] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.789567][ T8469] new_sync_read+0x5b7/0x6e0 [ 77.794142][ T8469] ? ksys_lseek+0x1b0/0x1b0 [ 77.798679][ T8469] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 77.804706][ T8469] vfs_read+0x35c/0x570 [ 77.808859][ T8469] ksys_read+0x1ee/0x250 [ 77.813093][ T8469] ? vfs_write+0xa40/0xa40 [ 77.817492][ T8469] ? syscall_enter_from_user_mode+0x27/0x70 [ 77.823371][ T8469] do_syscall_64+0x3a/0xb0 [ 77.827778][ T8469] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 77.833658][ T8469] RIP: 0033:0x4af19b [ 77.837592][ T8469] 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 [ 77.857201][ T8469] RSP: 002b:000000c000391840 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 77.865617][ T8469] RAX: ffffffffffffffda RBX: 000000c00001e800 RCX: 00000000004af19b [ 77.873581][ T8469] RDX: 0000000000001000 RSI: 000000c000198000 RDI: 0000000000000006 [ 77.881535][ T8469] RBP: 000000c000391890 R08: 0000000000000001 R09: 0000000000000002 [ 77.889486][ T8469] R10: 0000000000000bca R11: 0000000000000202 R12: 0000000000000bc6 [ 77.897438][ T8469] R13: 0000000000000004 R14: 0000000000000002 R15: 0000000000000002 [ 77.906076][ T8469] Kernel Offset: disabled [ 77.910394][ T8469] Rebooting in 86400 seconds..