Warning: Permanently added '10.128.0.28' (ECDSA) to the list of known hosts. 2021/05/02 05:07:02 fuzzer started 2021/05/02 05:07:02 dialing manager at 10.128.0.169:44661 2021/05/02 05:07:02 syscalls: 3571 2021/05/02 05:07:02 code coverage: enabled 2021/05/02 05:07:02 comparison tracing: enabled 2021/05/02 05:07:02 extra coverage: enabled 2021/05/02 05:07:02 setuid sandbox: enabled 2021/05/02 05:07:02 namespace sandbox: enabled 2021/05/02 05:07:02 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/02 05:07:02 fault injection: enabled 2021/05/02 05:07:02 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/02 05:07:02 net packet injection: enabled 2021/05/02 05:07:02 net device setup: enabled 2021/05/02 05:07:02 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/02 05:07:02 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/02 05:07:02 USB emulation: enabled 2021/05/02 05:07:02 hci packet injection: enabled 2021/05/02 05:07:02 wifi device emulation: enabled 2021/05/02 05:07:02 802.15.4 emulation: enabled 2021/05/02 05:07:02 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/02 05:07:03 fetching corpus: 50, signal 48042/51836 (executing program) 2021/05/02 05:07:03 fetching corpus: 100, signal 87876/93216 (executing program) 2021/05/02 05:07:03 fetching corpus: 150, signal 107544/114458 (executing program) 2021/05/02 05:07:03 fetching corpus: 200, signal 123910/132296 (executing program) 2021/05/02 05:07:03 fetching corpus: 250, signal 146362/156069 (executing program) 2021/05/02 05:07:03 fetching corpus: 300, signal 157804/168943 (executing program) [ 72.830345][ T8441] ================================================================== [ 72.838810][ T8441] BUG: KASAN: wild-memory-access in copyout.part.0+0xd7/0x110 [ 72.846531][ T8441] Read of size 1120 at addr 108548c01b290010 by task syz-fuzzer/8441 [ 72.854788][ T8441] [ 72.857124][ T8441] CPU: 1 PID: 8441 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 72.866894][ T8441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.879561][ T8441] Call Trace: [ 72.883064][ T8441] dump_stack+0x141/0x1d7 [ 72.887534][ T8441] ? copyout.part.0+0xd7/0x110 [ 72.893731][ T8441] kasan_report.cold+0x5f/0xd8 [ 72.898836][ T8441] ? copyout.part.0+0xd7/0x110 [ 72.904019][ T8441] kasan_check_range+0x13d/0x180 [ 72.909130][ T8441] copyout.part.0+0xd7/0x110 [ 72.913744][ T8441] _copy_to_iter+0x2b4/0x1850 [ 72.918447][ T8441] ? lock_chain_count+0x20/0x20 [ 72.923323][ T8441] ? _copy_from_iter_nocache+0x1440/0x1440 [ 72.929155][ T8441] ? tcp_mstamp_refresh+0x12/0xa0 [ 72.934187][ T8441] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.940458][ T8441] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 72.946211][ T8441] ? __virt_addr_valid+0x5d/0x2d0 [ 72.951245][ T8441] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.957521][ T8441] ? __phys_addr_symbol+0x2c/0x70 [ 72.962570][ T8441] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 72.968296][ T8441] ? __check_object_size+0x18a/0x3f0 [ 72.973603][ T8441] simple_copy_to_iter+0x4c/0x70 [ 72.978563][ T8441] __skb_datagram_iter+0x4a7/0x770 [ 72.983691][ T8441] ? zerocopy_sg_from_iter+0x110/0x110 [ 72.989681][ T8441] skb_copy_datagram_iter+0x40/0x50 [ 72.994891][ T8441] tcp_recvmsg_locked+0x1048/0x22f0 [ 73.000113][ T8441] ? tcp_splice_read+0x8b0/0x8b0 [ 73.005066][ T8441] ? mark_held_locks+0x9f/0xe0 [ 73.009849][ T8441] ? __local_bh_enable_ip+0xa0/0x120 [ 73.015149][ T8441] tcp_recvmsg+0x134/0x550 [ 73.019563][ T8441] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 73.024954][ T8441] ? aa_sk_perm+0x311/0xab0 [ 73.029557][ T8441] inet_recvmsg+0x11b/0x5e0 [ 73.034063][ T8441] ? inet_sendpage+0x140/0x140 [ 73.038828][ T8441] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.045068][ T8441] ? security_socket_recvmsg+0x8f/0xc0 [ 73.050528][ T8441] sock_read_iter+0x33c/0x470 [ 73.055313][ T8441] ? ____sys_recvmsg+0x600/0x600 [ 73.060277][ T8441] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.066538][ T8441] ? fsnotify+0xa58/0x1060 [ 73.070964][ T8441] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.077230][ T8441] new_sync_read+0x5b7/0x6e0 [ 73.081826][ T8441] ? ksys_lseek+0x1b0/0x1b0 [ 73.086397][ T8441] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.092435][ T8441] vfs_read+0x35c/0x570 [ 73.096865][ T8441] ksys_read+0x1ee/0x250 [ 73.101514][ T8441] ? vfs_write+0xa40/0xa40 [ 73.106063][ T8441] ? syscall_enter_from_user_mode+0x27/0x70 [ 73.112496][ T8441] do_syscall_64+0x3a/0xb0 [ 73.117200][ T8441] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.123211][ T8441] RIP: 0033:0x4af19b [ 73.127124][ T8441] 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 [ 73.146753][ T8441] RSP: 002b:000000c0000b1828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 73.155166][ T8441] RAX: ffffffffffffffda RBX: 000000c00001c000 RCX: 00000000004af19b [ 73.163147][ T8441] RDX: 0000000000001000 RSI: 000000c000316000 RDI: 0000000000000006 [ 73.171115][ T8441] RBP: 000000c0000b1878 R08: 0000000000000001 R09: 0000000000000002 [ 73.179104][ T8441] R10: 00000000000032da R11: 0000000000000212 R12: 00000000000032d6 [ 73.187174][ T8441] R13: 0000000000000400 R14: 0000000000000002 R15: 0000000000000002 [ 73.195445][ T8441] ================================================================== [ 73.203515][ T8441] Disabling lock debugging due to kernel taint [ 73.213297][ T8441] Kernel panic - not syncing: panic_on_warn set ... [ 73.219927][ T8441] CPU: 0 PID: 8441 Comm: syz-fuzzer Tainted: G B 5.12.0-rc8-next-20210423-syzkaller #0 [ 73.231827][ T8441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.241877][ T8441] Call Trace: [ 73.245163][ T8441] dump_stack+0x141/0x1d7 [ 73.249499][ T8441] panic+0x306/0x73d [ 73.253383][ T8441] ? __warn_printk+0xf3/0xf3 [ 73.257975][ T8441] ? preempt_schedule_common+0x59/0xc0 [ 73.263786][ T8441] ? copyout.part.0+0xd7/0x110 [ 73.268541][ T8441] ? preempt_schedule_thunk+0x16/0x18 [ 73.273905][ T8441] ? trace_hardirqs_on+0x38/0x1c0 [ 73.278921][ T8441] ? trace_hardirqs_on+0x51/0x1c0 [ 73.283943][ T8441] ? copyout.part.0+0xd7/0x110 [ 73.288880][ T8441] ? copyout.part.0+0xd7/0x110 [ 73.293662][ T8441] end_report.cold+0x5a/0x5a [ 73.298272][ T8441] kasan_report.cold+0x6a/0xd8 [ 73.303058][ T8441] ? copyout.part.0+0xd7/0x110 [ 73.307843][ T8441] kasan_check_range+0x13d/0x180 [ 73.312914][ T8441] copyout.part.0+0xd7/0x110 [ 73.317506][ T8441] _copy_to_iter+0x2b4/0x1850 [ 73.322206][ T8441] ? lock_chain_count+0x20/0x20 [ 73.327067][ T8441] ? _copy_from_iter_nocache+0x1440/0x1440 [ 73.332891][ T8441] ? tcp_mstamp_refresh+0x12/0xa0 [ 73.337989][ T8441] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 73.344235][ T8441] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 73.349982][ T8441] ? __virt_addr_valid+0x5d/0x2d0 [ 73.355105][ T8441] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 73.361363][ T8441] ? __phys_addr_symbol+0x2c/0x70 [ 73.366467][ T8441] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 73.372184][ T8441] ? __check_object_size+0x18a/0x3f0 [ 73.377484][ T8441] simple_copy_to_iter+0x4c/0x70 [ 73.382430][ T8441] __skb_datagram_iter+0x4a7/0x770 [ 73.387555][ T8441] ? zerocopy_sg_from_iter+0x110/0x110 [ 73.393031][ T8441] skb_copy_datagram_iter+0x40/0x50 [ 73.398230][ T8441] tcp_recvmsg_locked+0x1048/0x22f0 [ 73.403447][ T8441] ? tcp_splice_read+0x8b0/0x8b0 [ 73.408405][ T8441] ? mark_held_locks+0x9f/0xe0 [ 73.413179][ T8441] ? __local_bh_enable_ip+0xa0/0x120 [ 73.418477][ T8441] tcp_recvmsg+0x134/0x550 [ 73.422991][ T8441] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 73.428646][ T8441] ? aa_sk_perm+0x311/0xab0 [ 73.433414][ T8441] inet_recvmsg+0x11b/0x5e0 [ 73.437925][ T8441] ? inet_sendpage+0x140/0x140 [ 73.442689][ T8441] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.448966][ T8441] ? security_socket_recvmsg+0x8f/0xc0 [ 73.454433][ T8441] sock_read_iter+0x33c/0x470 [ 73.459311][ T8441] ? ____sys_recvmsg+0x600/0x600 [ 73.464455][ T8441] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.470709][ T8441] ? fsnotify+0xa58/0x1060 [ 73.475164][ T8441] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.481442][ T8441] new_sync_read+0x5b7/0x6e0 [ 73.486043][ T8441] ? ksys_lseek+0x1b0/0x1b0 [ 73.490552][ T8441] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.496558][ T8441] vfs_read+0x35c/0x570 [ 73.500836][ T8441] ksys_read+0x1ee/0x250 [ 73.505098][ T8441] ? vfs_write+0xa40/0xa40 [ 73.509562][ T8441] ? syscall_enter_from_user_mode+0x27/0x70 [ 73.515837][ T8441] do_syscall_64+0x3a/0xb0 [ 73.520271][ T8441] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.526169][ T8441] RIP: 0033:0x4af19b [ 73.530067][ T8441] 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 [ 73.549867][ T8441] RSP: 002b:000000c0000b1828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 73.558577][ T8441] RAX: ffffffffffffffda RBX: 000000c00001c000 RCX: 00000000004af19b [ 73.567002][ T8441] RDX: 0000000000001000 RSI: 000000c000316000 RDI: 0000000000000006 [ 73.574985][ T8441] RBP: 000000c0000b1878 R08: 0000000000000001 R09: 0000000000000002 [ 73.583346][ T8441] R10: 00000000000032da R11: 0000000000000212 R12: 00000000000032d6 [ 73.592139][ T8441] R13: 0000000000000400 R14: 0000000000000002 R15: 0000000000000002 [ 73.603899][ T8441] Kernel Offset: disabled [ 73.608866][ T8441] Rebooting in 86400 seconds..