Warning: Permanently added '10.128.0.223' (ECDSA) to the list of known hosts. 2021/05/03 02:39:36 fuzzer started 2021/05/03 02:39:36 dialing manager at 10.128.0.169:44661 2021/05/03 02:39:36 syscalls: 3571 2021/05/03 02:39:36 code coverage: enabled 2021/05/03 02:39:36 comparison tracing: enabled 2021/05/03 02:39:36 extra coverage: enabled 2021/05/03 02:39:36 setuid sandbox: enabled 2021/05/03 02:39:36 namespace sandbox: enabled 2021/05/03 02:39:36 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/03 02:39:36 fault injection: enabled 2021/05/03 02:39:36 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/03 02:39:36 net packet injection: enabled 2021/05/03 02:39:36 net device setup: enabled 2021/05/03 02:39:36 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/03 02:39:36 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/03 02:39:36 USB emulation: enabled 2021/05/03 02:39:36 hci packet injection: enabled 2021/05/03 02:39:36 wifi device emulation: enabled 2021/05/03 02:39:36 802.15.4 emulation: enabled 2021/05/03 02:39:36 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/03 02:39:37 fetching corpus: 50, signal 36217/40030 (executing program) 2021/05/03 02:39:37 fetching corpus: 100, signal 67715/73176 (executing program) 2021/05/03 02:39:37 fetching corpus: 150, signal 98560/105526 (executing program) syzkaller login: [ 68.922456][ T8454] ================================================================== [ 68.930668][ T8454] BUG: KASAN: wild-memory-access in copyout.part.0+0xd7/0x110 [ 68.938157][ T8454] Read of size 720 at addr 108548c02b1b8010 by task syz-fuzzer/8454 [ 68.946116][ T8454] [ 68.948423][ T8454] CPU: 0 PID: 8454 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 68.957946][ T8454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.967985][ T8454] Call Trace: [ 68.971251][ T8454] dump_stack+0x141/0x1d7 [ 68.975580][ T8454] ? copyout.part.0+0xd7/0x110 [ 68.980328][ T8454] kasan_report.cold+0x5f/0xd8 [ 68.985080][ T8454] ? copyout.part.0+0xd7/0x110 [ 68.989828][ T8454] kasan_check_range+0x13d/0x180 [ 68.994750][ T8454] copyout.part.0+0xd7/0x110 [ 68.999328][ T8454] _copy_to_iter+0x2b4/0x1850 [ 69.004013][ T8454] ? lock_chain_count+0x20/0x20 [ 69.008856][ T8454] ? ip_local_deliver_finish+0x240/0x370 [ 69.014479][ T8454] ? _copy_from_iter_nocache+0x1440/0x1440 [ 69.020271][ T8454] ? ip_local_deliver+0x195/0x200 [ 69.025283][ T8454] ? ip_sublist_rcv_finish+0x9a/0x2c0 [ 69.030641][ T8454] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 69.036869][ T8454] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 69.042574][ T8454] ? __virt_addr_valid+0x5d/0x2d0 [ 69.047583][ T8454] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 69.053826][ T8454] ? __phys_addr_symbol+0x2c/0x70 [ 69.058834][ T8454] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 69.064541][ T8454] ? __check_object_size+0x18a/0x3f0 [ 69.069815][ T8454] simple_copy_to_iter+0x4c/0x70 [ 69.074741][ T8454] __skb_datagram_iter+0x4a7/0x770 [ 69.079838][ T8454] ? zerocopy_sg_from_iter+0x110/0x110 [ 69.085282][ T8454] skb_copy_datagram_iter+0x40/0x50 [ 69.090469][ T8454] tcp_recvmsg_locked+0x1048/0x22f0 [ 69.095684][ T8454] ? tcp_splice_read+0x8b0/0x8b0 [ 69.100608][ T8454] ? mark_held_locks+0x9f/0xe0 [ 69.105362][ T8454] ? __local_bh_enable_ip+0xa0/0x120 [ 69.110635][ T8454] tcp_recvmsg+0x134/0x550 [ 69.115039][ T8454] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 69.120419][ T8454] ? aa_sk_perm+0x311/0xab0 [ 69.124918][ T8454] inet_recvmsg+0x11b/0x5e0 [ 69.129409][ T8454] ? inet_sendpage+0x140/0x140 [ 69.134160][ T8454] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.140390][ T8454] ? security_socket_recvmsg+0x8f/0xc0 [ 69.145836][ T8454] sock_read_iter+0x33c/0x470 [ 69.150499][ T8454] ? ____sys_recvmsg+0x600/0x600 [ 69.155429][ T8454] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.161659][ T8454] ? fsnotify+0xa58/0x1060 [ 69.166060][ T8454] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.172289][ T8454] new_sync_read+0x5b7/0x6e0 [ 69.176864][ T8454] ? ksys_lseek+0x1b0/0x1b0 [ 69.181380][ T8454] vfs_read+0x35c/0x570 [ 69.185524][ T8454] ksys_read+0x1ee/0x250 [ 69.189751][ T8454] ? vfs_write+0xa40/0xa40 [ 69.194151][ T8454] ? syscall_enter_from_user_mode+0x27/0x70 [ 69.200033][ T8454] do_syscall_64+0x3a/0xb0 [ 69.204436][ T8454] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 69.210336][ T8454] RIP: 0033:0x4af19b [ 69.214217][ T8454] 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 [ 69.233808][ T8454] RSP: 002b:000000c000207828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 69.242221][ T8454] RAX: ffffffffffffffda RBX: 000000c00001e800 RCX: 00000000004af19b [ 69.250192][ T8454] RDX: 0000000000001000 RSI: 000000c0002c2000 RDI: 0000000000000006 [ 69.258235][ T8454] RBP: 000000c000207878 R08: 0000000000000001 R09: 0000000000000002 [ 69.266189][ T8454] R10: 000000000000173c R11: 0000000000000212 R12: ffffffffffffffff [ 69.274145][ T8454] R13: 0000000000001000 R14: 0000000000000002 R15: 0000000000000002 [ 69.282113][ T8454] ================================================================== [ 69.290165][ T8454] Disabling lock debugging due to kernel taint [ 69.298071][ T8454] Kernel panic - not syncing: panic_on_warn set ... [ 69.304675][ T8454] CPU: 1 PID: 8454 Comm: syz-fuzzer Tainted: G B 5.12.0-rc8-next-20210423-syzkaller #0 [ 69.315622][ T8454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.325776][ T8454] Call Trace: [ 69.329058][ T8454] dump_stack+0x141/0x1d7 [ 69.333385][ T8454] panic+0x306/0x73d [ 69.337274][ T8454] ? __warn_printk+0xf3/0xf3 [ 69.341857][ T8454] ? preempt_schedule_common+0x59/0xc0 [ 69.347309][ T8454] ? copyout.part.0+0xd7/0x110 [ 69.352063][ T8454] ? preempt_schedule_thunk+0x16/0x18 [ 69.357537][ T8454] ? trace_hardirqs_on+0x38/0x1c0 [ 69.362550][ T8454] ? trace_hardirqs_on+0x51/0x1c0 [ 69.367562][ T8454] ? copyout.part.0+0xd7/0x110 [ 69.372315][ T8454] ? copyout.part.0+0xd7/0x110 [ 69.377067][ T8454] end_report.cold+0x5a/0x5a [ 69.381651][ T8454] kasan_report.cold+0x6a/0xd8 [ 69.386411][ T8454] ? copyout.part.0+0xd7/0x110 [ 69.391164][ T8454] kasan_check_range+0x13d/0x180 [ 69.396089][ T8454] copyout.part.0+0xd7/0x110 [ 69.400672][ T8454] _copy_to_iter+0x2b4/0x1850 [ 69.405341][ T8454] ? lock_chain_count+0x20/0x20 [ 69.410183][ T8454] ? ip_local_deliver_finish+0x240/0x370 [ 69.415919][ T8454] ? _copy_from_iter_nocache+0x1440/0x1440 [ 69.421719][ T8454] ? ip_local_deliver+0x195/0x200 [ 69.426735][ T8454] ? ip_sublist_rcv_finish+0x9a/0x2c0 [ 69.432109][ T8454] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 69.438343][ T8454] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 69.444053][ T8454] ? __virt_addr_valid+0x5d/0x2d0 [ 69.449065][ T8454] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 69.455298][ T8454] ? __phys_addr_symbol+0x2c/0x70 [ 69.460308][ T8454] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 69.466019][ T8454] ? __check_object_size+0x18a/0x3f0 [ 69.471294][ T8454] simple_copy_to_iter+0x4c/0x70 [ 69.476220][ T8454] __skb_datagram_iter+0x4a7/0x770 [ 69.481319][ T8454] ? zerocopy_sg_from_iter+0x110/0x110 [ 69.486768][ T8454] skb_copy_datagram_iter+0x40/0x50 [ 69.491958][ T8454] tcp_recvmsg_locked+0x1048/0x22f0 [ 69.497154][ T8454] ? tcp_splice_read+0x8b0/0x8b0 [ 69.502084][ T8454] ? mark_held_locks+0x9f/0xe0 [ 69.506840][ T8454] ? __local_bh_enable_ip+0xa0/0x120 [ 69.512115][ T8454] tcp_recvmsg+0x134/0x550 [ 69.516523][ T8454] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 69.521890][ T8454] ? aa_sk_perm+0x311/0xab0 [ 69.526388][ T8454] inet_recvmsg+0x11b/0x5e0 [ 69.530918][ T8454] ? inet_sendpage+0x140/0x140 [ 69.535699][ T8454] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.541942][ T8454] ? security_socket_recvmsg+0x8f/0xc0 [ 69.547404][ T8454] sock_read_iter+0x33c/0x470 [ 69.552080][ T8454] ? ____sys_recvmsg+0x600/0x600 [ 69.557014][ T8454] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.563252][ T8454] ? fsnotify+0xa58/0x1060 [ 69.567682][ T8454] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.573920][ T8454] new_sync_read+0x5b7/0x6e0 [ 69.578503][ T8454] ? ksys_lseek+0x1b0/0x1b0 [ 69.583003][ T8454] vfs_read+0x35c/0x570 [ 69.587149][ T8454] ksys_read+0x1ee/0x250 [ 69.591397][ T8454] ? vfs_write+0xa40/0xa40 [ 69.595802][ T8454] ? syscall_enter_from_user_mode+0x27/0x70 [ 69.601688][ T8454] do_syscall_64+0x3a/0xb0 [ 69.606106][ T8454] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 69.611990][ T8454] RIP: 0033:0x4af19b [ 69.615870][ T8454] 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 [ 69.635482][ T8454] RSP: 002b:000000c000207828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 69.643983][ T8454] RAX: ffffffffffffffda RBX: 000000c00001e800 RCX: 00000000004af19b [ 69.651941][ T8454] RDX: 0000000000001000 RSI: 000000c0002c2000 RDI: 0000000000000006 [ 69.659900][ T8454] RBP: 000000c000207878 R08: 0000000000000001 R09: 0000000000000002 [ 69.667865][ T8454] R10: 000000000000173c R11: 0000000000000212 R12: ffffffffffffffff [ 69.675820][ T8454] R13: 0000000000001000 R14: 0000000000000002 R15: 0000000000000002 [ 69.684365][ T8454] Kernel Offset: disabled [ 69.688677][ T8454] Rebooting in 86400 seconds..