Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.75' (ECDSA) to the list of known hosts. 2021/05/01 21:30:22 fuzzer started 2021/05/01 21:30:23 dialing manager at 10.128.0.169:44661 2021/05/01 21:30:23 syscalls: 3571 2021/05/01 21:30:23 code coverage: enabled 2021/05/01 21:30:23 comparison tracing: enabled 2021/05/01 21:30:23 extra coverage: enabled 2021/05/01 21:30:23 setuid sandbox: enabled 2021/05/01 21:30:23 namespace sandbox: enabled 2021/05/01 21:30:23 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/01 21:30:23 fault injection: enabled 2021/05/01 21:30:23 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/01 21:30:23 net packet injection: enabled 2021/05/01 21:30:23 net device setup: enabled 2021/05/01 21:30:23 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/01 21:30:23 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/01 21:30:23 USB emulation: enabled 2021/05/01 21:30:23 hci packet injection: enabled 2021/05/01 21:30:23 wifi device emulation: enabled 2021/05/01 21:30:23 802.15.4 emulation: enabled 2021/05/01 21:30:23 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/01 21:30:23 fetching corpus: 50, signal 55851/59556 (executing program) 2021/05/01 21:30:23 fetching corpus: 100, signal 86567/91883 (executing program) 2021/05/01 21:30:23 fetching corpus: 150, signal 113002/119830 (executing program) 2021/05/01 21:30:24 fetching corpus: 200, signal 130800/139060 (executing program) 2021/05/01 21:30:24 fetching corpus: 250, signal 143643/153360 (executing program) 2021/05/01 21:30:24 fetching corpus: 300, signal 153719/164876 (executing program) 2021/05/01 21:30:24 fetching corpus: 350, signal 168735/181149 (executing program) 2021/05/01 21:30:24 fetching corpus: 400, signal 177185/191005 (executing program) 2021/05/01 21:30:24 fetching corpus: 450, signal 198139/212996 (executing program) 2021/05/01 21:30:24 Manager.Poll call failed: reading body read tcp 10.128.0.75:45476->10.128.0.169:44661: read: bad address syzkaller login: [ 76.006025][ T8474] general protection fault, probably for non-canonical address 0xdffffc0000179441: 0000 [#1] PREEMPT SMP KASAN [ 76.018237][ T8474] KASAN: probably user-memory-access in range [0x0000000000bca208-0x0000000000bca20f] [ 76.027810][ T8474] CPU: 0 PID: 8474 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 76.037510][ T8474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.047603][ T8474] RIP: 0010:skb_release_data+0x3a0/0x750 [ 76.053263][ T8474] 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 [ 76.072914][ T8474] RSP: 0018:ffffc9000170fbb0 EFLAGS: 00010206 [ 76.079089][ T8474] RAX: 0000000000179441 RBX: 0000000000000011 RCX: 0000000000000000 [ 76.087184][ T8474] RDX: ffff88802d3b3900 RSI: ffffffff8703c746 RDI: 0000000000bca208 [ 76.095156][ T8474] RBP: 0000000000bca200 R08: 0000000000000011 R09: 0000000000bca200 [ 76.103125][ T8474] R10: ffffffff8703c733 R11: 0000000000000000 R12: 0000000000000010 [ 76.111097][ T8474] R13: ffff88802f25fecc R14: dffffc0000000000 R15: ffff88803123e3c0 [ 76.119069][ T8474] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 76.128019][ T8474] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.134599][ T8474] CR2: 000000c001698c28 CR3: 000000000bc8e000 CR4: 00000000001506f0 [ 76.142570][ T8474] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.150547][ T8474] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.158537][ T8474] Call Trace: [ 76.161836][ T8474] __kfree_skb+0x46/0x60 [ 76.166098][ T8474] __tcp_close+0x230/0x1170 [ 76.170622][ T8474] tcp_close+0x29/0xc0 [ 76.174717][ T8474] inet_release+0x12e/0x280 [ 76.179242][ T8474] __sock_release+0xcd/0x280 [ 76.184010][ T8474] sock_close+0x18/0x20 [ 76.188309][ T8474] __fput+0x288/0x920 [ 76.192297][ T8474] ? __sock_release+0x280/0x280 [ 76.197293][ T8474] task_work_run+0xdd/0x1a0 [ 76.201891][ T8474] do_exit+0xbfc/0x2a70 [ 76.206170][ T8474] ? io_schedule_timeout+0x140/0x140 [ 76.213123][ T8474] ? mm_update_next_owner+0x7a0/0x7a0 [ 76.218582][ T8474] ? preempt_schedule_thunk+0x16/0x18 [ 76.223970][ T8474] ? preempt_schedule_common+0x59/0xc0 [ 76.230858][ T8474] ? preempt_schedule_thunk+0x16/0x18 [ 76.236964][ T8474] ? trace_hardirqs_on+0x38/0x1c0 [ 76.242003][ T8474] do_group_exit+0x125/0x310 [ 76.246609][ T8474] __x64_sys_exit_group+0x3a/0x50 [ 76.251709][ T8474] do_syscall_64+0x3a/0xb0 [ 76.256120][ T8474] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.262111][ T8474] RIP: 0033:0x46d96b [ 76.266008][ T8474] Code: Unable to access opcode bytes at RIP 0x46d941. [ 76.272851][ T8474] RSP: 002b:000000c000209880 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 76.281252][ T8474] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000046d96b [ 76.289212][ T8474] RDX: 000000000000007d RSI: 0000000000000000 RDI: 0000000000000001 [ 76.297178][ T8474] RBP: 000000c000209890 R08: 0000000000000004 R09: fffff80000000001 [ 76.305136][ T8474] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 76.313093][ T8474] R13: 0000000000000040 R14: 000000000000003c R15: 0000000000000040 [ 76.321069][ T8474] Modules linked in: [ 76.326162][ T8474] ---[ end trace fbe527ab59403788 ]--- [ 76.331629][ T8474] RIP: 0010:skb_release_data+0x3a0/0x750 [ 76.337654][ T8474] 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 [ 76.357349][ T8474] RSP: 0018:ffffc9000170fbb0 EFLAGS: 00010206 [ 76.363430][ T8474] RAX: 0000000000179441 RBX: 0000000000000011 RCX: 0000000000000000 [ 76.371451][ T8474] RDX: ffff88802d3b3900 RSI: ffffffff8703c746 RDI: 0000000000bca208 [ 76.379504][ T8474] RBP: 0000000000bca200 R08: 0000000000000011 R09: 0000000000bca200 [ 76.387562][ T8474] R10: ffffffff8703c733 R11: 0000000000000000 R12: 0000000000000010 [ 76.395598][ T8474] R13: ffff88802f25fecc R14: dffffc0000000000 R15: ffff88803123e3c0 [ 76.403608][ T8474] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 76.412584][ T8474] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.419212][ T8474] CR2: 000000c001698c28 CR3: 000000000bc8e000 CR4: 00000000001506f0 [ 76.427252][ T8474] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.435231][ T8474] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.443579][ T8474] Kernel panic - not syncing: Fatal exception [ 76.450286][ T8474] Kernel Offset: disabled [ 76.454651][ T8474] Rebooting in 86400 seconds..