[ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.4' (ECDSA) to the list of known hosts. 2021/05/02 01:01:20 fuzzer started 2021/05/02 01:01:21 dialing manager at 10.128.0.169:44661 2021/05/02 01:01:21 syscalls: 3571 2021/05/02 01:01:21 code coverage: enabled 2021/05/02 01:01:21 comparison tracing: enabled 2021/05/02 01:01:21 extra coverage: enabled 2021/05/02 01:01:21 setuid sandbox: enabled 2021/05/02 01:01:21 namespace sandbox: enabled 2021/05/02 01:01:21 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/02 01:01:21 fault injection: enabled 2021/05/02 01:01:21 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/02 01:01:21 net packet injection: enabled 2021/05/02 01:01:21 net device setup: enabled 2021/05/02 01:01:21 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/02 01:01:21 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/02 01:01:21 USB emulation: enabled 2021/05/02 01:01:21 hci packet injection: enabled 2021/05/02 01:01:21 wifi device emulation: enabled 2021/05/02 01:01:21 802.15.4 emulation: enabled 2021/05/02 01:01:21 fetching corpus: 0, signal 0/2000 (executing program) syzkaller login: [ 70.864125][ T8448] ================================================================== [ 70.873002][ T8448] BUG: KASAN: wild-memory-access in copyout.part.0+0xd7/0x110 [ 70.880639][ T8448] Read of size 240 at addr e0b424405fc0391d by task syz-fuzzer/8448 [ 70.888785][ T8448] [ 70.891127][ T8448] CPU: 0 PID: 8448 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 70.900956][ T8448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.911127][ T8448] Call Trace: [ 70.914429][ T8448] dump_stack+0x141/0x1d7 [ 70.918794][ T8448] ? copyout.part.0+0xd7/0x110 [ 70.923699][ T8448] kasan_report.cold+0x5f/0xd8 [ 70.928583][ T8448] ? copyout.part.0+0xd7/0x110 [ 70.933349][ T8448] kasan_check_range+0x13d/0x180 [ 70.938299][ T8448] copyout.part.0+0xd7/0x110 [ 70.943044][ T8448] _copy_to_iter+0x2b4/0x1850 [ 70.947755][ T8448] ? lock_chain_count+0x20/0x20 [ 70.952928][ T8448] ? _copy_from_iter_nocache+0x1440/0x1440 [ 70.958859][ T8448] ? tcp_mstamp_refresh+0x12/0xa0 [ 70.963918][ T8448] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.970364][ T8448] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 70.976210][ T8448] ? __virt_addr_valid+0x5d/0x2d0 [ 70.981410][ T8448] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 70.987669][ T8448] ? __phys_addr_symbol+0x2c/0x70 [ 70.992702][ T8448] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 70.998449][ T8448] ? __check_object_size+0x18a/0x3f0 [ 71.003774][ T8448] simple_copy_to_iter+0x4c/0x70 [ 71.008731][ T8448] __skb_datagram_iter+0x4a7/0x770 [ 71.013856][ T8448] ? zerocopy_sg_from_iter+0x110/0x110 [ 71.019334][ T8448] skb_copy_datagram_iter+0x40/0x50 [ 71.024561][ T8448] tcp_recvmsg_locked+0x1048/0x22f0 [ 71.030025][ T8448] ? tcp_splice_read+0x8b0/0x8b0 [ 71.034970][ T8448] ? mark_held_locks+0x9f/0xe0 [ 71.039933][ T8448] ? __local_bh_enable_ip+0xa0/0x120 [ 71.045325][ T8448] tcp_recvmsg+0x134/0x550 [ 71.049770][ T8448] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 71.055372][ T8448] ? aa_sk_perm+0x311/0xab0 [ 71.059993][ T8448] inet_recvmsg+0x11b/0x5e0 [ 71.064625][ T8448] ? inet_sendpage+0x140/0x140 [ 71.069425][ T8448] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.075826][ T8448] ? security_socket_recvmsg+0x8f/0xc0 [ 71.081422][ T8448] sock_read_iter+0x33c/0x470 [ 71.086316][ T8448] ? ____sys_recvmsg+0x600/0x600 [ 71.091308][ T8448] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.097716][ T8448] ? fsnotify+0xa58/0x1060 [ 71.102171][ T8448] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.108682][ T8448] new_sync_read+0x5b7/0x6e0 [ 71.113324][ T8448] ? ksys_lseek+0x1b0/0x1b0 [ 71.117836][ T8448] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 71.123851][ T8448] vfs_read+0x35c/0x570 [ 71.128030][ T8448] ksys_read+0x1ee/0x250 [ 71.132502][ T8448] ? vfs_write+0xa40/0xa40 [ 71.137194][ T8448] ? syscall_enter_from_user_mode+0x27/0x70 [ 71.143166][ T8448] do_syscall_64+0x3a/0xb0 [ 71.147614][ T8448] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.153797][ T8448] RIP: 0033:0x4af19b [ 71.158088][ T8448] 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 [ 71.177826][ T8448] RSP: 002b:000000c0001ab828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 71.186668][ T8448] RAX: ffffffffffffffda RBX: 000000c00001e800 RCX: 00000000004af19b [ 71.194835][ T8448] RDX: 0000000000001000 RSI: 000000c00020c000 RDI: 0000000000000006 [ 71.203378][ T8448] RBP: 000000c0001ab878 R08: 0000000000000001 R09: 0000000000000002 [ 71.211377][ T8448] R10: 0000000000006fdc R11: 0000000000000212 R12: 0000000000006fd7 [ 71.219377][ T8448] R13: 0000000000000800 R14: 0000000000000020 R15: 0000000000000008 [ 71.227535][ T8448] ================================================================== [ 71.235614][ T8448] Disabling lock debugging due to kernel taint [ 71.244612][ T8448] Kernel panic - not syncing: panic_on_warn set ... [ 71.251433][ T8448] CPU: 1 PID: 8448 Comm: syz-fuzzer Tainted: G B 5.12.0-rc8-next-20210423-syzkaller #0 [ 71.262599][ T8448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.272666][ T8448] Call Trace: [ 71.275950][ T8448] dump_stack+0x141/0x1d7 [ 71.280303][ T8448] panic+0x306/0x73d [ 71.284339][ T8448] ? __warn_printk+0xf3/0xf3 [ 71.288931][ T8448] ? preempt_schedule_common+0x59/0xc0 [ 71.294392][ T8448] ? copyout.part.0+0xd7/0x110 [ 71.299296][ T8448] ? preempt_schedule_thunk+0x16/0x18 [ 71.304670][ T8448] ? trace_hardirqs_on+0x38/0x1c0 [ 71.309695][ T8448] ? trace_hardirqs_on+0x51/0x1c0 [ 71.314716][ T8448] ? copyout.part.0+0xd7/0x110 [ 71.319568][ T8448] ? copyout.part.0+0xd7/0x110 [ 71.324331][ T8448] end_report.cold+0x5a/0x5a [ 71.328925][ T8448] kasan_report.cold+0x6a/0xd8 [ 71.333687][ T8448] ? copyout.part.0+0xd7/0x110 [ 71.338449][ T8448] kasan_check_range+0x13d/0x180 [ 71.343503][ T8448] copyout.part.0+0xd7/0x110 [ 71.348135][ T8448] _copy_to_iter+0x2b4/0x1850 [ 71.352861][ T8448] ? lock_chain_count+0x20/0x20 [ 71.357761][ T8448] ? _copy_from_iter_nocache+0x1440/0x1440 [ 71.363570][ T8448] ? tcp_mstamp_refresh+0x12/0xa0 [ 71.368686][ T8448] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.375016][ T8448] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 71.380910][ T8448] ? __virt_addr_valid+0x5d/0x2d0 [ 71.385934][ T8448] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.392260][ T8448] ? __phys_addr_symbol+0x2c/0x70 [ 71.397307][ T8448] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 71.403030][ T8448] ? __check_object_size+0x18a/0x3f0 [ 71.408322][ T8448] simple_copy_to_iter+0x4c/0x70 [ 71.413263][ T8448] __skb_datagram_iter+0x4a7/0x770 [ 71.418372][ T8448] ? zerocopy_sg_from_iter+0x110/0x110 [ 71.423834][ T8448] skb_copy_datagram_iter+0x40/0x50 [ 71.429034][ T8448] tcp_recvmsg_locked+0x1048/0x22f0 [ 71.434238][ T8448] ? tcp_splice_read+0x8b0/0x8b0 [ 71.439194][ T8448] ? mark_held_locks+0x9f/0xe0 [ 71.443963][ T8448] ? __local_bh_enable_ip+0xa0/0x120 [ 71.449428][ T8448] tcp_recvmsg+0x134/0x550 [ 71.453866][ T8448] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 71.459368][ T8448] ? aa_sk_perm+0x311/0xab0 [ 71.463922][ T8448] inet_recvmsg+0x11b/0x5e0 [ 71.468530][ T8448] ? inet_sendpage+0x140/0x140 [ 71.473337][ T8448] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.480240][ T8448] ? security_socket_recvmsg+0x8f/0xc0 [ 71.485712][ T8448] sock_read_iter+0x33c/0x470 [ 71.490399][ T8448] ? ____sys_recvmsg+0x600/0x600 [ 71.495352][ T8448] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.501594][ T8448] ? fsnotify+0xa58/0x1060 [ 71.506008][ T8448] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.512344][ T8448] new_sync_read+0x5b7/0x6e0 [ 71.516935][ T8448] ? ksys_lseek+0x1b0/0x1b0 [ 71.521438][ T8448] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 71.527529][ T8448] vfs_read+0x35c/0x570 [ 71.531689][ T8448] ksys_read+0x1ee/0x250 [ 71.535947][ T8448] ? vfs_write+0xa40/0xa40 [ 71.540363][ T8448] ? syscall_enter_from_user_mode+0x27/0x70 [ 71.546436][ T8448] do_syscall_64+0x3a/0xb0 [ 71.550861][ T8448] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.556755][ T8448] RIP: 0033:0x4af19b [ 71.560645][ T8448] 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 [ 71.580778][ T8448] RSP: 002b:000000c0001ab828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 71.589444][ T8448] RAX: ffffffffffffffda RBX: 000000c00001e800 RCX: 00000000004af19b [ 71.597428][ T8448] RDX: 0000000000001000 RSI: 000000c00020c000 RDI: 0000000000000006 [ 71.605408][ T8448] RBP: 000000c0001ab878 R08: 0000000000000001 R09: 0000000000000002 [ 71.613520][ T8448] R10: 0000000000006fdc R11: 0000000000000212 R12: 0000000000006fd7 [ 71.621967][ T8448] R13: 0000000000000800 R14: 0000000000000020 R15: 0000000000000008 [ 71.630889][ T8448] Kernel Offset: disabled [ 71.635223][ T8448] Rebooting in 86400 seconds..