Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.9' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   60.272323][ T7051] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
[   60.284087][ T7051] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
[   60.292479][ T7051] CPU: 1 PID: 7051 Comm: syz-executor625 Not tainted 5.7.0-rc2-syzkaller #0
[   60.301125][ T7051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   60.311194][ T7051] RIP: 0010:fq_codel_enqueue+0xa75/0x11b0
[   60.316898][ T7051] Code: 28 fb 44 3b 64 24 70 0f 83 dd 00 00 00 e8 b3 58 28 fb 48 8b 44 24 40 80 38 00 0f 85 5a 05 00 00 49 8b 06 48 89 c2 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 52 05 00 00 48 8b 10 49 89 16 48 89 c2 48 c1
[   60.336502][ T7051] RSP: 0018:ffffc900015b77e0 EFLAGS: 00010246
[   60.342563][ T7051] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc900015b79c0
[   60.350528][ T7051] RDX: 0000000000000000 RSI: ffffffff864ad5fd RDI: 0000000000000000
[   60.358491][ T7051] RBP: ffffc900015b78f0 R08: ffff88809486e080 R09: fffffbfff185cd54
[   60.366459][ T7051] R10: ffffffff8c2e6a9f R11: fffffbfff185cd53 R12: 0000000000000400
[   60.374425][ T7051] R13: dffffc0000000000 R14: ffff8880895a0000 R15: ffffc900015b79c0
[   60.382399][ T7051] FS:  0000000000000000(0000) GS:ffff8880ae700000(0063) knlGS:0000000009bea840
[   60.391304][ T7051] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[   60.397884][ T7051] CR2: 0000000020000080 CR3: 0000000098298000 CR4: 00000000001406e0
[   60.405839][ T7051] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   60.413810][ T7051] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   60.421825][ T7051] Call Trace:
[   60.425121][ T7051]  ? drop_func+0x60/0x60
[   60.429360][ T7051]  ? rwlock_bug.part.0+0x90/0x90
[   60.434290][ T7051]  ? rcu_read_lock_bh_held+0x5a/0xb0
[   60.439559][ T7051]  ? rcu_read_lock_sched_held+0xd0/0xd0
[   60.445104][ T7051]  __dev_queue_xmit+0x154a/0x30a0
[   60.450113][ T7051]  ? netdev_core_pick_tx+0x2e0/0x2e0
[   60.455400][ T7051]  ? _copy_from_iter+0x300/0xb60
[   60.460318][ T7051]  ? __phys_addr_symbol+0x2c/0x70
[   60.465336][ T7051]  ? __check_object_size+0x171/0x437
[   60.470621][ T7051]  ? packet_parse_headers.isra.0+0x117/0x470
[   60.476580][ T7051]  ? __unregister_prot_hook+0x320/0x320
[   60.482115][ T7051]  ? packet_sendmsg+0x23cc/0x5ce0
[   60.487208][ T7051]  packet_sendmsg+0x23cc/0x5ce0
[   60.492044][ T7051]  ? mark_held_locks+0xe0/0xe0
[   60.496791][ T7051]  ? aa_label_sk_perm+0x89/0xe0
[   60.501627][ T7051]  ? aa_sk_perm+0x319/0xab0
[   60.506111][ T7051]  ? packet_notifier+0x860/0x860
[   60.511026][ T7051]  ? aa_af_perm+0x260/0x260
[   60.515527][ T7051]  ? packet_do_bind+0x452/0xc00
[   60.520361][ T7051]  ? packet_notifier+0x860/0x860
[   60.525280][ T7051]  sock_sendmsg+0xcf/0x120
[   60.529692][ T7051]  __sys_sendto+0x220/0x330
[   60.534200][ T7051]  ? __ia32_sys_getpeername+0xb0/0xb0
[   60.539553][ T7051]  ? packet_do_bind+0x452/0xc00
[   60.544397][ T7051]  ? __sys_bind+0x13e/0x250
[   60.548881][ T7051]  ? __ia32_sys_socketpair+0xf0/0xf0
[   60.554188][ T7051]  ? fpregs_mark_activate+0x320/0x320
[   60.559557][ T7051]  __ia32_sys_sendto+0xdb/0x1b0
[   60.564393][ T7051]  ? lockdep_hardirqs_on+0x463/0x620
[   60.569683][ T7051]  do_fast_syscall_32+0x270/0xe90
[   60.574715][ T7051]  entry_SYSENTER_compat+0x70/0x7f
[   60.579812][ T7051] Modules linked in:
[   60.583758][ T7051] ---[ end trace 8bca91afd8e3b65f ]---
[   60.589227][ T7051] RIP: 0010:fq_codel_enqueue+0xa75/0x11b0
[   60.594997][ T7051] Code: 28 fb 44 3b 64 24 70 0f 83 dd 00 00 00 e8 b3 58 28 fb 48 8b 44 24 40 80 38 00 0f 85 5a 05 00 00 49 8b 06 48 89 c2 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 52 05 00 00 48 8b 10 49 89 16 48 89 c2 48 c1
[   60.614648][ T7051] RSP: 0018:ffffc900015b77e0 EFLAGS: 00010246
[   60.620715][ T7051] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc900015b79c0
[   60.628714][ T7051] RDX: 0000000000000000 RSI: ffffffff864ad5fd RDI: 0000000000000000
[   60.636738][ T7051] RBP: ffffc900015b78f0 R08: ffff88809486e080 R09: fffffbfff185cd54
[   60.644755][ T7051] R10: ffffffff8c2e6a9f R11: fffffbfff185cd53 R12: 0000000000000400
[   60.652755][ T7051] R13: dffffc0000000000 R14: ffff8880895a0000 R15: ffffc900015b79c0
[   60.661611][ T7051] FS:  0000000000000000(0000) GS:ffff8880ae700000(0063) knlGS:0000000009bea840
[   60.670590][ T7051] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[   60.677222][ T7051] CR2: 0000000020000080 CR3: 0000000098298000 CR4: 00000000001406e0
[   60.685226][ T7051] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   60.693337][ T7051] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   60.701306][ T7051] Kernel panic - not syncing: Fatal exception in interrupt
[   60.709972][ T7051] Kernel Offset: disabled
[   60.714355][ T7051] Rebooting in 86400 seconds..