Warning: Permanently added '10.128.1.86' (ECDSA) to the list of known hosts. 2021/05/02 23:52:33 fuzzer started 2021/05/02 23:52:34 dialing manager at 10.128.0.169:44661 2021/05/02 23:52:34 syscalls: 3571 2021/05/02 23:52:34 code coverage: enabled 2021/05/02 23:52:34 comparison tracing: enabled 2021/05/02 23:52:34 extra coverage: enabled 2021/05/02 23:52:34 setuid sandbox: enabled 2021/05/02 23:52:34 namespace sandbox: enabled 2021/05/02 23:52:34 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/02 23:52:34 fault injection: enabled 2021/05/02 23:52:34 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/02 23:52:34 net packet injection: enabled 2021/05/02 23:52:34 net device setup: enabled 2021/05/02 23:52:34 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/02 23:52:34 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/02 23:52:34 USB emulation: enabled 2021/05/02 23:52:34 hci packet injection: enabled 2021/05/02 23:52:34 wifi device emulation: enabled 2021/05/02 23:52:34 802.15.4 emulation: enabled 2021/05/02 23:52:34 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/02 23:52:34 fetching corpus: 50, signal 53419/57127 (executing program) 2021/05/02 23:52:34 fetching corpus: 100, signal 91908/97169 (executing program) 2021/05/02 23:52:34 fetching corpus: 150, signal 120010/126703 (executing program) syzkaller login: [ 68.902097][ T8436] general protection fault, probably for non-canonical address 0xdffffc0000179601: 0000 [#1] PREEMPT SMP KASAN [ 68.913854][ T8436] KASAN: probably user-memory-access in range [0x0000000000bcb008-0x0000000000bcb00f] [ 68.923390][ T8436] CPU: 0 PID: 8436 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 68.932913][ T8436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.942983][ T8436] RIP: 0010:skb_release_data+0x3a0/0x750 [ 68.948618][ T8436] Code: 48 8b 04 24 48 c1 e8 03 42 80 3c 30 00 0f 85 d3 02 00 00 49 63 c4 48 c1 e0 04 4a 8b 6c 28 30 48 8d 7d 08 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 a7 02 00 00 48 8b 45 08 31 ff 48 89 c3 48 89 [ 68.968205][ T8436] RSP: 0018:ffffc9000164f878 EFLAGS: 00010202 [ 68.974265][ T8436] RAX: 0000000000179601 RBX: 0000000000000011 RCX: 0000000000000000 [ 68.982233][ T8436] RDX: ffff8880256c3900 RSI: ffffffff8703c746 RDI: 0000000000bcb008 [ 68.990200][ T8436] RBP: 0000000000bcb000 R08: 0000000000000011 R09: 0000000000bcb000 [ 69.001226][ T8436] R10: ffffffff8703c733 R11: 0000000000000000 R12: 0000000000000010 [ 69.009179][ T8436] R13: ffff88802f2afecc R14: dffffc0000000000 R15: ffff888015041640 [ 69.017136][ T8436] FS: 000000c00009a490(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 69.026047][ T8436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.032610][ T8436] CR2: 00007f86ed553e98 CR3: 0000000024856000 CR4: 00000000001506f0 [ 69.040692][ T8436] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.048641][ T8436] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.056592][ T8436] Call Trace: [ 69.059854][ T8436] __kfree_skb+0x46/0x60 [ 69.064125][ T8436] tcp_recvmsg_locked+0x130f/0x22f0 [ 69.069329][ T8436] ? tcp_splice_read+0x8b0/0x8b0 [ 69.074245][ T8436] ? mark_held_locks+0x9f/0xe0 [ 69.078988][ T8436] ? __local_bh_enable_ip+0xa0/0x120 [ 69.084253][ T8436] tcp_recvmsg+0x134/0x550 [ 69.088649][ T8436] ? tcp_recvmsg_locked+0x22f0/0x22f0 [ 69.094002][ T8436] ? aa_sk_perm+0x311/0xab0 [ 69.098483][ T8436] inet_recvmsg+0x11b/0x5e0 [ 69.102969][ T8436] ? inet_sendpage+0x140/0x140 [ 69.107722][ T8436] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.113948][ T8436] ? security_socket_recvmsg+0x8f/0xc0 [ 69.119384][ T8436] sock_read_iter+0x33c/0x470 [ 69.124043][ T8436] ? ____sys_recvmsg+0x600/0x600 [ 69.128960][ T8436] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.135184][ T8436] ? fsnotify+0xa58/0x1060 [ 69.139579][ T8436] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.145801][ T8436] new_sync_read+0x5b7/0x6e0 [ 69.150371][ T8436] ? ksys_lseek+0x1b0/0x1b0 [ 69.154849][ T8436] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 69.160826][ T8436] vfs_read+0x35c/0x570 [ 69.164958][ T8436] ksys_read+0x1ee/0x250 [ 69.169179][ T8436] ? vfs_write+0xa40/0xa40 [ 69.173613][ T8436] ? syscall_enter_from_user_mode+0x27/0x70 [ 69.179486][ T8436] do_syscall_64+0x3a/0xb0 [ 69.183882][ T8436] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 69.189755][ T8436] RIP: 0033:0x4af19b [ 69.193630][ T8436] 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 [ 69.213265][ T8436] RSP: 002b:000000c0003cd828 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 69.221663][ T8436] RAX: ffffffffffffffda RBX: 000000c00001c000 RCX: 00000000004af19b [ 69.229621][ T8436] RDX: 0000000000001000 RSI: 000000c0001e0000 RDI: 0000000000000006 [ 69.237570][ T8436] RBP: 000000c0003cd878 R08: 0000000000000001 R09: 0000000000000002 [ 69.245519][ T8436] R10: 0000000000003be7 R11: 0000000000000212 R12: 0000000000003be3 [ 69.253555][ T8436] R13: 0000000000000200 R14: 0000000000000002 R15: 0000000000000002 [ 69.261528][ T8436] Modules linked in: [ 69.267041][ T8436] ---[ end trace c5a6ee8054401856 ]--- [ 69.272507][ T8436] RIP: 0010:skb_release_data+0x3a0/0x750 [ 69.278206][ T8436] Code: 48 8b 04 24 48 c1 e8 03 42 80 3c 30 00 0f 85 d3 02 00 00 49 63 c4 48 c1 e0 04 4a 8b 6c 28 30 48 8d 7d 08 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 a7 02 00 00 48 8b 45 08 31 ff 48 89 c3 48 89 [ 69.297864][ T8436] RSP: 0018:ffffc9000164f878 EFLAGS: 00010202 [ 69.303927][ T8436] RAX: 0000000000179601 RBX: 0000000000000011 RCX: 0000000000000000 [ 69.311916][ T8436] RDX: ffff8880256c3900 RSI: ffffffff8703c746 RDI: 0000000000bcb008 [ 69.319938][ T8436] RBP: 0000000000bcb000 R08: 0000000000000011 R09: 0000000000bcb000 [ 69.327930][ T8436] R10: ffffffff8703c733 R11: 0000000000000000 R12: 0000000000000010 [ 69.335949][ T8436] R13: ffff88802f2afecc R14: dffffc0000000000 R15: ffff888015041640 [ 69.344058][ T8436] FS: 000000c00009a490(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 69.353014][ T8436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.359638][ T8436] CR2: 00007ff20c03f038 CR3: 0000000024856000 CR4: 00000000001506f0 [ 69.367636][ T8436] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.375689][ T8436] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.383678][ T8436] Kernel panic - not syncing: Fatal exception [ 69.390305][ T8436] Kernel Offset: disabled [ 69.394631][ T8436] Rebooting in 86400 seconds..