Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.211' (ECDSA) to the list of known hosts. 2021/05/03 08:40:53 fuzzer started 2021/05/03 08:40:53 dialing manager at 10.128.0.169:44661 2021/05/03 08:40:53 syscalls: 3571 2021/05/03 08:40:53 code coverage: enabled 2021/05/03 08:40:53 comparison tracing: enabled 2021/05/03 08:40:53 extra coverage: enabled 2021/05/03 08:40:53 setuid sandbox: enabled 2021/05/03 08:40:53 namespace sandbox: enabled 2021/05/03 08:40:53 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/03 08:40:53 fault injection: enabled 2021/05/03 08:40:53 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/03 08:40:53 net packet injection: enabled 2021/05/03 08:40:53 net device setup: enabled 2021/05/03 08:40:53 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/03 08:40:53 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/03 08:40:53 USB emulation: enabled 2021/05/03 08:40:53 hci packet injection: enabled 2021/05/03 08:40:53 wifi device emulation: enabled 2021/05/03 08:40:53 802.15.4 emulation: enabled 2021/05/03 08:40:53 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/03 08:40:53 Manager.Poll call failed: reading body read tcp 10.128.0.211:45768->10.128.0.169:44661: read: bad address syzkaller login: [ 70.370071][ T8451] general protection fault, probably for non-canonical address 0xdffffc0040199841: 0000 [#1] PREEMPT SMP KASAN [ 70.381965][ T8451] KASAN: probably user-memory-access in range [0x0000000200ccc208-0x0000000200ccc20f] [ 70.391521][ T8451] CPU: 0 PID: 8451 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 70.401168][ T8451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.411221][ T8451] RIP: 0010:skb_release_data+0x3a0/0x750 [ 70.416860][ T8451] 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 [ 70.436446][ T8451] RSP: 0018:ffffc9000168fbb0 EFLAGS: 00010206 [ 70.442506][ T8451] RAX: 0000000040199841 RBX: 0000000000000011 RCX: 0000000000000000 [ 70.450459][ T8451] RDX: ffff888025078000 RSI: ffffffff8703c746 RDI: 0000000200ccc208 [ 70.458415][ T8451] RBP: 0000000200ccc200 R08: 0000000000000011 R09: 0000000000ccc200 [ 70.466377][ T8451] R10: ffffffff8703c733 R11: 0000000000000000 R12: 0000000000000010 [ 70.474340][ T8451] R13: ffff88803467fecc R14: dffffc0000000000 R15: ffff8880134ada00 [ 70.482307][ T8451] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 70.491297][ T8451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.497869][ T8451] CR2: 000055cab3bf01a8 CR3: 000000000bc8e000 CR4: 00000000001506f0 [ 70.505824][ T8451] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.513785][ T8451] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.522055][ T8451] Call Trace: [ 70.525336][ T8451] __kfree_skb+0x46/0x60 [ 70.529578][ T8451] __tcp_close+0x230/0x1170 [ 70.534087][ T8451] tcp_close+0x29/0xc0 [ 70.538160][ T8451] inet_release+0x12e/0x280 [ 70.542661][ T8451] __sock_release+0xcd/0x280 [ 70.547274][ T8451] sock_close+0x18/0x20 [ 70.551483][ T8451] __fput+0x288/0x920 [ 70.555470][ T8451] ? __sock_release+0x280/0x280 [ 70.560307][ T8451] task_work_run+0xdd/0x1a0 [ 70.564793][ T8451] do_exit+0xbfc/0x2a70 [ 70.568956][ T8451] ? io_schedule_timeout+0x140/0x140 [ 70.574243][ T8451] ? mm_update_next_owner+0x7a0/0x7a0 [ 70.579599][ T8451] ? preempt_schedule_thunk+0x16/0x18 [ 70.584963][ T8451] ? preempt_schedule_common+0x59/0xc0 [ 70.590421][ T8451] ? preempt_schedule_thunk+0x16/0x18 [ 70.595787][ T8451] ? trace_hardirqs_on+0x38/0x1c0 [ 70.600804][ T8451] do_group_exit+0x125/0x310 [ 70.605378][ T8451] __x64_sys_exit_group+0x3a/0x50 [ 70.610391][ T8451] do_syscall_64+0x3a/0xb0 [ 70.614807][ T8451] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 70.620683][ T8451] RIP: 0033:0x46d96b [ 70.624569][ T8451] Code: Unable to access opcode bytes at RIP 0x46d941. [ 70.631390][ T8451] RSP: 002b:000000c00009f880 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 70.639781][ T8451] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000046d96b [ 70.647731][ T8451] RDX: 000000000000007e RSI: 0000000000000000 RDI: 0000000000000001 [ 70.655694][ T8451] RBP: 000000c00009f890 R08: 0000000000000004 R09: fffff80000000001 [ 70.663651][ T8451] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 70.671602][ T8451] R13: 0000000000000004 R14: 0000000000000028 R15: 0000000000000040 [ 70.679568][ T8451] Modules linked in: [ 70.684619][ T8451] ---[ end trace acd5d6d81bfd190d ]--- [ 70.690826][ T8451] RIP: 0010:skb_release_data+0x3a0/0x750 [ 70.699167][ T8451] 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 [ 70.724703][ T8451] RSP: 0018:ffffc9000168fbb0 EFLAGS: 00010206 [ 70.731194][ T8451] RAX: 0000000040199841 RBX: 0000000000000011 RCX: 0000000000000000 [ 70.739642][ T8451] RDX: ffff888025078000 RSI: ffffffff8703c746 RDI: 0000000200ccc208 [ 70.747626][ T8451] RBP: 0000000200ccc200 R08: 0000000000000011 R09: 0000000000ccc200 [ 70.756339][ T8451] R10: ffffffff8703c733 R11: 0000000000000000 R12: 0000000000000010 [ 70.765395][ T8451] R13: ffff88803467fecc R14: dffffc0000000000 R15: ffff8880134ada00 [ 70.773780][ T8451] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 70.782994][ T8451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.789660][ T8451] CR2: 000056400302eb98 CR3: 0000000013e10000 CR4: 00000000001506e0 [ 70.797632][ T8451] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.805660][ T8451] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.813689][ T8451] Kernel panic - not syncing: Fatal exception [ 70.820503][ T8451] Kernel Offset: disabled [ 70.824818][ T8451] Rebooting in 86400 seconds..