Warning: Permanently added '10.128.0.145' (ECDSA) to the list of known hosts. 2021/05/02 11:40:39 fuzzer started 2021/05/02 11:40:39 dialing manager at 10.128.0.169:44661 2021/05/02 11:40:40 syscalls: 3571 2021/05/02 11:40:40 code coverage: enabled 2021/05/02 11:40:40 comparison tracing: enabled 2021/05/02 11:40:40 extra coverage: enabled 2021/05/02 11:40:40 setuid sandbox: enabled 2021/05/02 11:40:40 namespace sandbox: enabled 2021/05/02 11:40:40 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/02 11:40:40 fault injection: enabled 2021/05/02 11:40:40 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/02 11:40:40 net packet injection: enabled 2021/05/02 11:40:40 net device setup: enabled 2021/05/02 11:40:40 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/02 11:40:40 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/02 11:40:40 USB emulation: enabled 2021/05/02 11:40:40 hci packet injection: enabled 2021/05/02 11:40:40 wifi device emulation: enabled 2021/05/02 11:40:40 802.15.4 emulation: enabled 2021/05/02 11:40:40 fetching corpus: 0, signal 0/2000 (executing program) syzkaller login: [ 76.655843][ T8445] ================================================================== [ 76.665470][ T8445] BUG: KASAN: wild-memory-access in copyout.part.0+0xd7/0x110 [ 76.673484][ T8445] Read of size 2400 at addr 108548c01d8e0010 by task syz-fuzzer/8445 [ 76.681788][ T8445] [ 76.684555][ T8445] CPU: 1 PID: 8445 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 76.696932][ T8445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.708124][ T8445] Call Trace: [ 76.711768][ T8445] dump_stack+0x141/0x1d7 [ 76.716579][ T8445] ? copyout.part.0+0xd7/0x110 [ 76.721963][ T8445] kasan_report.cold+0x5f/0xd8 [ 76.727042][ T8445] ? copyout.part.0+0xd7/0x110 [ 76.732026][ T8445] kasan_check_range+0x13d/0x180 [ 76.737852][ T8445] copyout.part.0+0xd7/0x110 [ 76.742806][ T8445] _copy_to_iter+0x2b4/0x1850 [ 76.747788][ T8445] ? lock_chain_count+0x20/0x20 [ 76.753018][ T8445] ? _copy_from_iter_nocache+0x1440/0x1440 [ 76.759552][ T8445] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 76.765953][ T8445] ? __virt_addr_valid+0x5d/0x2d0 [ 76.771493][ T8445] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 76.777914][ T8445] ? __phys_addr_symbol+0x2c/0x70 [ 76.782944][ T8445] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 76.790134][ T8445] ? __check_object_size+0x18a/0x3f0 [ 76.795794][ T8445] simple_copy_to_iter+0x4c/0x70 [ 76.800854][ T8445] __skb_datagram_iter+0x4a7/0x770 [ 76.807559][ T8445] ? zerocopy_sg_from_iter+0x110/0x110 [ 76.813369][ T8445] skb_copy_datagram_iter+0x40/0x50 [ 76.819037][ T8445] tcp_recvmsg_locked+0x1048/0x22f0 [ 76.824706][ T8445] ? tcp_splice_read+0x8b0/0x8b0 [ 76.829889][ T8445] ? mark_held_locks+0x9f/0xe0 [ 76.834776][ T8445] ? __local_bh_enable_ip+0xa0/0x120 [ 76.840169][ T8445] tcp_recvmsg+0x134/0x550 [ 76.844803][ T8445] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 76.850193][ T8445] ? aa_sk_perm+0x311/0xab0 [ 76.854970][ T8445] inet_recvmsg+0x11b/0x5e0 [ 76.859516][ T8445] ? inet_sendpage+0x140/0x140 [ 76.864805][ T8445] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.871342][ T8445] ? security_socket_recvmsg+0x8f/0xc0 [ 76.877171][ T8445] sock_read_iter+0x33c/0x470 [ 76.882261][ T8445] ? ____sys_recvmsg+0x600/0x600 [ 76.888219][ T8445] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.894901][ T8445] ? fsnotify+0xa58/0x1060 [ 76.899541][ T8445] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.906311][ T8445] new_sync_read+0x5b7/0x6e0 [ 76.911169][ T8445] ? ksys_lseek+0x1b0/0x1b0 [ 76.916219][ T8445] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 76.922435][ T8445] vfs_read+0x35c/0x570 [ 76.926943][ T8445] ksys_read+0x1ee/0x250 [ 76.931527][ T8445] ? vfs_write+0xa40/0xa40 [ 76.936055][ T8445] ? syscall_enter_from_user_mode+0x27/0x70 [ 76.942040][ T8445] do_syscall_64+0x3a/0xb0 [ 76.946647][ T8445] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.952557][ T8445] RIP: 0033:0x4af19b [ 76.957208][ T8445] 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 [ 76.978252][ T8445] RSP: 002b:000000c000457828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 76.987393][ T8445] RAX: ffffffffffffffda RBX: 000000c00001c000 RCX: 00000000004af19b [ 76.997119][ T8445] RDX: 0000000000001000 RSI: 000000c0000b4000 RDI: 0000000000000006 [ 77.006440][ T8445] RBP: 000000c000457878 R08: 0000000000000001 R09: 0000000000000002 [ 77.015310][ T8445] R10: 0000000000007152 R11: 0000000000000212 R12: ffffffffffffffff [ 77.023822][ T8445] R13: 0000000000002000 R14: 0000000000000020 R15: 0000000000000008 [ 77.033063][ T8445] ================================================================== [ 77.042171][ T8445] Disabling lock debugging due to kernel taint [ 77.060630][ T8445] Kernel panic - not syncing: panic_on_warn set ... [ 77.068365][ T8445] CPU: 0 PID: 8445 Comm: syz-fuzzer Tainted: G B 5.12.0-rc8-next-20210423-syzkaller #0 [ 77.079574][ T8445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.090306][ T8445] Call Trace: [ 77.093641][ T8445] dump_stack+0x141/0x1d7 [ 77.098100][ T8445] panic+0x306/0x73d [ 77.102628][ T8445] ? __warn_printk+0xf3/0xf3 [ 77.107503][ T8445] ? preempt_schedule_common+0x59/0xc0 [ 77.113333][ T8445] ? copyout.part.0+0xd7/0x110 [ 77.118397][ T8445] ? preempt_schedule_thunk+0x16/0x18 [ 77.124528][ T8445] ? trace_hardirqs_on+0x38/0x1c0 [ 77.130014][ T8445] ? trace_hardirqs_on+0x51/0x1c0 [ 77.135347][ T8445] ? copyout.part.0+0xd7/0x110 [ 77.140499][ T8445] ? copyout.part.0+0xd7/0x110 [ 77.146083][ T8445] end_report.cold+0x5a/0x5a [ 77.150740][ T8445] kasan_report.cold+0x6a/0xd8 [ 77.156140][ T8445] ? copyout.part.0+0xd7/0x110 [ 77.161395][ T8445] kasan_check_range+0x13d/0x180 [ 77.166801][ T8445] copyout.part.0+0xd7/0x110 [ 77.171813][ T8445] _copy_to_iter+0x2b4/0x1850 [ 77.176873][ T8445] ? lock_chain_count+0x20/0x20 [ 77.182134][ T8445] ? _copy_from_iter_nocache+0x1440/0x1440 [ 77.188036][ T8445] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 77.193949][ T8445] ? __virt_addr_valid+0x5d/0x2d0 [ 77.198971][ T8445] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 77.205389][ T8445] ? __phys_addr_symbol+0x2c/0x70 [ 77.210587][ T8445] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 77.216659][ T8445] ? __check_object_size+0x18a/0x3f0 [ 77.222045][ T8445] simple_copy_to_iter+0x4c/0x70 [ 77.227688][ T8445] __skb_datagram_iter+0x4a7/0x770 [ 77.232918][ T8445] ? zerocopy_sg_from_iter+0x110/0x110 [ 77.238567][ T8445] skb_copy_datagram_iter+0x40/0x50 [ 77.243861][ T8445] tcp_recvmsg_locked+0x1048/0x22f0 [ 77.249256][ T8445] ? tcp_splice_read+0x8b0/0x8b0 [ 77.254549][ T8445] ? mark_held_locks+0x9f/0xe0 [ 77.259414][ T8445] ? __local_bh_enable_ip+0xa0/0x120 [ 77.265396][ T8445] tcp_recvmsg+0x134/0x550 [ 77.270389][ T8445] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 77.276843][ T8445] ? aa_sk_perm+0x311/0xab0 [ 77.282022][ T8445] inet_recvmsg+0x11b/0x5e0 [ 77.286777][ T8445] ? inet_sendpage+0x140/0x140 [ 77.292174][ T8445] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.298952][ T8445] ? security_socket_recvmsg+0x8f/0xc0 [ 77.304903][ T8445] sock_read_iter+0x33c/0x470 [ 77.309864][ T8445] ? ____sys_recvmsg+0x600/0x600 [ 77.315367][ T8445] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.322346][ T8445] ? fsnotify+0xa58/0x1060 [ 77.326855][ T8445] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.333439][ T8445] new_sync_read+0x5b7/0x6e0 [ 77.338768][ T8445] ? ksys_lseek+0x1b0/0x1b0 [ 77.343452][ T8445] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 77.349899][ T8445] vfs_read+0x35c/0x570 [ 77.354567][ T8445] ksys_read+0x1ee/0x250 [ 77.359823][ T8445] ? vfs_write+0xa40/0xa40 [ 77.364863][ T8445] ? syscall_enter_from_user_mode+0x27/0x70 [ 77.371502][ T8445] do_syscall_64+0x3a/0xb0 [ 77.376013][ T8445] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 77.382483][ T8445] RIP: 0033:0x4af19b [ 77.387625][ T8445] 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 [ 77.408797][ T8445] RSP: 002b:000000c000457828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 77.417429][ T8445] RAX: ffffffffffffffda RBX: 000000c00001c000 RCX: 00000000004af19b [ 77.425982][ T8445] RDX: 0000000000001000 RSI: 000000c0000b4000 RDI: 0000000000000006 [ 77.434680][ T8445] RBP: 000000c000457878 R08: 0000000000000001 R09: 0000000000000002 [ 77.443108][ T8445] R10: 0000000000007152 R11: 0000000000000212 R12: ffffffffffffffff [ 77.451384][ T8445] R13: 0000000000002000 R14: 0000000000000020 R15: 0000000000000008 [ 77.461750][ T8445] Kernel Offset: disabled [ 77.466748][ T8445] Rebooting in 86400 seconds..