Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.94' (ECDSA) to the list of known hosts. 2021/05/02 04:57:41 fuzzer started 2021/05/02 04:57:41 dialing manager at 10.128.0.169:44661 2021/05/02 04:57:41 syscalls: 3571 2021/05/02 04:57:41 code coverage: enabled 2021/05/02 04:57:41 comparison tracing: enabled 2021/05/02 04:57:41 extra coverage: enabled 2021/05/02 04:57:41 setuid sandbox: enabled 2021/05/02 04:57:41 namespace sandbox: enabled 2021/05/02 04:57:41 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/02 04:57:41 fault injection: enabled 2021/05/02 04:57:41 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/02 04:57:41 net packet injection: enabled 2021/05/02 04:57:41 net device setup: enabled 2021/05/02 04:57:41 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/02 04:57:41 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/02 04:57:41 USB emulation: enabled 2021/05/02 04:57:41 hci packet injection: enabled 2021/05/02 04:57:41 wifi device emulation: enabled 2021/05/02 04:57:41 802.15.4 emulation: enabled 2021/05/02 04:57:41 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/02 04:57:42 fetching corpus: 50, signal 52985/56739 (executing program) 2021/05/02 04:57:42 fetching corpus: 100, signal 82222/87619 (executing program) 2021/05/02 04:57:42 fetching corpus: 150, signal 111043/117948 (executing program) 2021/05/02 04:57:42 fetching corpus: 200, signal 126280/134716 (executing program) 2021/05/02 04:57:42 fetching corpus: 250, signal 138654/148535 (executing program) 2021/05/02 04:57:42 fetching corpus: 300, signal 156538/167759 (executing program) 2021/05/02 04:57:42 fetching corpus: 350, signal 168490/181052 (executing program) 2021/05/02 04:57:42 Manager.Poll call failed: reading body read tcp 10.128.1.94:54066->10.128.0.169:44661: read: bad address syzkaller login: [ 73.561662][ T8459] general protection fault, probably for non-canonical address 0xdffffc00400e5ac1: 0000 [#1] PREEMPT SMP KASAN [ 73.573729][ T8459] KASAN: probably user-memory-access in range [0x000000020072d608-0x000000020072d60f] [ 73.583542][ T8459] CPU: 1 PID: 8459 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 73.593121][ T8459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.603312][ T8459] RIP: 0010:skb_release_data+0x3a0/0x750 [ 73.610411][ T8459] 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 [ 73.631588][ T8459] RSP: 0018:ffffc9000165fbb0 EFLAGS: 00010202 [ 73.638589][ T8459] RAX: 00000000400e5ac1 RBX: 0000000000000011 RCX: 0000000000000000 [ 73.647235][ T8459] RDX: ffff888023fd5580 RSI: ffffffff8703c746 RDI: 000000020072d608 [ 73.655602][ T8459] RBP: 000000020072d600 R08: 0000000000000011 R09: 000000000072d600 [ 73.664125][ T8459] R10: ffffffff8703c733 R11: 0000000000000000 R12: 0000000000000010 [ 73.672117][ T8459] R13: ffff88802ea6fecc R14: dffffc0000000000 R15: ffff88801500b500 [ 73.680132][ T8459] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 73.689081][ T8459] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.695688][ T8459] CR2: 00007f51a5ab46c8 CR3: 000000000bc8e000 CR4: 00000000001506e0 [ 73.703677][ T8459] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.711656][ T8459] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.719662][ T8459] Call Trace: [ 73.722966][ T8459] __kfree_skb+0x46/0x60 [ 73.727224][ T8459] __tcp_close+0x230/0x1170 [ 73.731766][ T8459] tcp_close+0x29/0xc0 [ 73.735858][ T8459] inet_release+0x12e/0x280 [ 73.740377][ T8459] __sock_release+0xcd/0x280 [ 73.744985][ T8459] sock_close+0x18/0x20 [ 73.749155][ T8459] __fput+0x288/0x920 [ 73.753184][ T8459] ? __sock_release+0x280/0x280 [ 73.758048][ T8459] task_work_run+0xdd/0x1a0 [ 73.762563][ T8459] do_exit+0xbfc/0x2a70 [ 73.766813][ T8459] ? io_schedule_timeout+0x140/0x140 [ 73.772115][ T8459] ? lockdep_hardirqs_on+0x79/0x100 [ 73.777335][ T8459] ? mm_update_next_owner+0x7a0/0x7a0 [ 73.782981][ T8459] ? preempt_schedule_thunk+0x16/0x18 [ 73.788388][ T8459] ? preempt_schedule_common+0x59/0xc0 [ 73.794825][ T8459] ? preempt_schedule_thunk+0x16/0x18 [ 73.800214][ T8459] ? trace_hardirqs_on+0x38/0x1c0 [ 73.805254][ T8459] do_group_exit+0x125/0x310 [ 73.809863][ T8459] __x64_sys_exit_group+0x3a/0x50 [ 73.815179][ T8459] do_syscall_64+0x3a/0xb0 [ 73.819741][ T8459] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.825646][ T8459] RIP: 0033:0x46d96b [ 73.829542][ T8459] Code: Unable to access opcode bytes at RIP 0x46d941. [ 73.836381][ T8459] RSP: 002b:000000c00043b880 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 73.844917][ T8459] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000046d96b [ 73.853070][ T8459] RDX: 000000000000007d RSI: 0000000000000000 RDI: 0000000000000001 [ 73.861068][ T8459] RBP: 000000c00043b890 R08: 0000000000000004 R09: fffff80000000001 [ 73.869043][ T8459] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 73.877033][ T8459] R13: 0000000000000003 R14: 0000000000000002 R15: 0000000000000049 [ 73.885033][ T8459] Modules linked in: [ 73.890795][ T8459] ---[ end trace cdccf63160729962 ]--- [ 73.896281][ T8459] RIP: 0010:skb_release_data+0x3a0/0x750 [ 73.902534][ T8459] 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 [ 73.922357][ T8459] RSP: 0018:ffffc9000165fbb0 EFLAGS: 00010202 [ 73.928481][ T8459] RAX: 00000000400e5ac1 RBX: 0000000000000011 RCX: 0000000000000000 [ 73.936478][ T8459] RDX: ffff888023fd5580 RSI: ffffffff8703c746 RDI: 000000020072d608 [ 73.944827][ T8459] RBP: 000000020072d600 R08: 0000000000000011 R09: 000000000072d600 [ 73.953410][ T8459] R10: ffffffff8703c733 R11: 0000000000000000 R12: 0000000000000010 [ 73.961465][ T8459] R13: ffff88802ea6fecc R14: dffffc0000000000 R15: ffff88801500b500 [ 73.969498][ T8459] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 73.979382][ T8459] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.986004][ T8459] CR2: 00007f51a5b9d368 CR3: 0000000015dc5000 CR4: 00000000001506f0 [ 73.994046][ T8459] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.002360][ T8459] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.010464][ T8459] Kernel panic - not syncing: Fatal exception [ 74.017242][ T8459] Kernel Offset: disabled [ 74.021567][ T8459] Rebooting in 86400 seconds..