Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.253' (ECDSA) to the list of known hosts. 2021/05/03 03:57:35 fuzzer started 2021/05/03 03:57:35 dialing manager at 10.128.0.169:44661 2021/05/03 03:57:35 syscalls: 3571 2021/05/03 03:57:35 code coverage: enabled 2021/05/03 03:57:35 comparison tracing: enabled 2021/05/03 03:57:35 extra coverage: enabled 2021/05/03 03:57:35 setuid sandbox: enabled 2021/05/03 03:57:35 namespace sandbox: enabled 2021/05/03 03:57:35 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/03 03:57:35 fault injection: enabled 2021/05/03 03:57:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/03 03:57:35 net packet injection: enabled 2021/05/03 03:57:35 net device setup: enabled 2021/05/03 03:57:35 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/03 03:57:35 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/03 03:57:35 USB emulation: enabled 2021/05/03 03:57:35 hci packet injection: enabled 2021/05/03 03:57:35 wifi device emulation: enabled 2021/05/03 03:57:35 802.15.4 emulation: enabled 2021/05/03 03:57:35 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/03 03:57:35 fetching corpus: 50, signal 50415/54140 (executing program) 2021/05/03 03:57:36 fetching corpus: 100, signal 80144/85467 (executing program) 2021/05/03 03:57:36 fetching corpus: 150, signal 105773/112622 (executing program) 2021/05/03 03:57:36 fetching corpus: 200, signal 123922/132247 (executing program) 2021/05/03 03:57:36 fetching corpus: 250, signal 138986/148773 (executing program) 2021/05/03 03:57:36 fetching corpus: 300, signal 155796/166924 (executing program) 2021/05/03 03:57:36 fetching corpus: 350, signal 167644/180148 (executing program) 2021/05/03 03:57:36 fetching corpus: 400, signal 180698/194472 (executing program) 2021/05/03 03:57:37 Manager.Poll call failed: reading body read tcp 10.128.0.253:53350->10.128.0.169:44661: read: bad address syzkaller login: [ 76.627493][ T8470] general protection fault, probably for non-canonical address 0xdffffc00000e7fc1: 0000 [#1] PREEMPT SMP KASAN [ 76.639240][ T8470] KASAN: probably user-memory-access in range [0x000000000073fe08-0x000000000073fe0f] [ 76.648759][ T8470] CPU: 0 PID: 8470 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 76.658277][ T8470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.668315][ T8470] RIP: 0010:skb_release_data+0x3a0/0x750 [ 76.673983][ T8470] 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 [ 76.693602][ T8470] RSP: 0018:ffffc900016afbb0 EFLAGS: 00010202 [ 76.699664][ T8470] RAX: 00000000000e7fc1 RBX: 0000000000000011 RCX: 0000000000000000 [ 76.707622][ T8470] RDX: ffff888014bcd580 RSI: ffffffff8703c746 RDI: 000000000073fe08 [ 76.715574][ T8470] RBP: 000000000073fe00 R08: 0000000000000011 R09: 000000000073fe00 [ 76.723526][ T8470] R10: ffffffff8703c733 R11: 0000000000000000 R12: 0000000000000010 [ 76.731478][ T8470] R13: ffff88802e16fecc R14: dffffc0000000000 R15: ffff8880206908c0 [ 76.739432][ T8470] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 76.748347][ T8470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.754971][ T8470] CR2: 00007fcbec498d80 CR3: 000000000bc8e000 CR4: 00000000001506f0 [ 76.762934][ T8470] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.770893][ T8470] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.778869][ T8470] Call Trace: [ 76.782133][ T8470] __kfree_skb+0x46/0x60 [ 76.786363][ T8470] __tcp_close+0x230/0x1170 [ 76.790876][ T8470] tcp_close+0x29/0xc0 [ 76.794930][ T8470] inet_release+0x12e/0x280 [ 76.799430][ T8470] __sock_release+0xcd/0x280 [ 76.804092][ T8470] sock_close+0x18/0x20 [ 76.808227][ T8470] __fput+0x288/0x920 [ 76.812191][ T8470] ? __sock_release+0x280/0x280 [ 76.817023][ T8470] task_work_run+0xdd/0x1a0 [ 76.821508][ T8470] do_exit+0xbfc/0x2a70 [ 76.825644][ T8470] ? io_schedule_timeout+0x140/0x140 [ 76.830913][ T8470] ? lockdep_hardirqs_on+0x79/0x100 [ 76.836095][ T8470] ? mm_update_next_owner+0x7a0/0x7a0 [ 76.841448][ T8470] ? preempt_schedule_thunk+0x16/0x18 [ 76.846818][ T8470] ? preempt_schedule_common+0x59/0xc0 [ 76.852274][ T8470] ? preempt_schedule_thunk+0x16/0x18 [ 76.857644][ T8470] ? trace_hardirqs_on+0x38/0x1c0 [ 76.862664][ T8470] do_group_exit+0x125/0x310 [ 76.867245][ T8470] __x64_sys_exit_group+0x3a/0x50 [ 76.872257][ T8470] do_syscall_64+0x3a/0xb0 [ 76.876665][ T8470] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.882544][ T8470] RIP: 0033:0x46d96b [ 76.886470][ T8470] Code: Unable to access opcode bytes at RIP 0x46d941. [ 76.893391][ T8470] RSP: 002b:000000c0003cb880 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 76.901783][ T8470] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000046d96b [ 76.909733][ T8470] RDX: 000000000000007e RSI: 0000000000000000 RDI: 0000000000000001 [ 76.917797][ T8470] RBP: 000000c0003cb890 R08: 0000000000000004 R09: fffff80000000001 [ 76.925749][ T8470] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 76.933716][ T8470] R13: 0000000000000016 R14: 0000000000000015 R15: 0000000000000049 [ 76.941671][ T8470] Modules linked in: [ 76.946655][ T8470] ---[ end trace 7ccd675ce4c30fae ]--- [ 76.952167][ T8470] RIP: 0010:skb_release_data+0x3a0/0x750 [ 76.957823][ T8470] 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 [ 76.977678][ T8470] RSP: 0018:ffffc900016afbb0 EFLAGS: 00010202 [ 76.983795][ T8470] RAX: 00000000000e7fc1 RBX: 0000000000000011 RCX: 0000000000000000 [ 76.991794][ T8470] RDX: ffff888014bcd580 RSI: ffffffff8703c746 RDI: 000000000073fe08 [ 76.999826][ T8470] RBP: 000000000073fe00 R08: 0000000000000011 R09: 000000000073fe00 [ 77.007792][ T8470] R10: ffffffff8703c733 R11: 0000000000000000 R12: 0000000000000010 [ 77.015780][ T8470] R13: ffff88802e16fecc R14: dffffc0000000000 R15: ffff8880206908c0 [ 77.023790][ T8470] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 77.032781][ T8470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.039434][ T8470] CR2: 00007fcbec498d80 CR3: 000000000bc8e000 CR4: 00000000001506f0 [ 77.047418][ T8470] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.055544][ T8470] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.063634][ T8470] Kernel panic - not syncing: Fatal exception [ 77.070264][ T8470] Kernel Offset: disabled [ 77.074590][ T8470] Rebooting in 86400 seconds..