======================================
|
| WAIT TIMEOUT stdout
| [ 6090.207288][T11781] Oops: general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] SMP KASAN
| [ 6090.207879][T11781] KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f]
[ 6090.208547][T11781] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[6090.208764][T11781] RIP: 0010:__mkroute_output (net/ipv4/route.c:2663) 
[ 6090.208950][T11781] Code: 24 30 48 c1 ea 03 80 3c 02 00 0f 85 c3 06 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5c 24 18 48 8d 7b 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 95 06 00 00 48 8b 5b 58 49 8d 7f 10 48 b8 00 00
All code
========
   0:	24 30                	and    $0x30,%al
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   a:	0f 85 c3 06 00 00    	jne    0x6d3
  10:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  17:	fc ff df 
  1a:	49 8b 5c 24 18       	mov    0x18(%r12),%rbx
  1f:	48 8d 7b 58          	lea    0x58(%rbx),%rdi
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
  2a:*	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)		<-- trapping instruction
  2e:	0f 85 95 06 00 00    	jne    0x6c9
  34:	48 8b 5b 58          	mov    0x58(%rbx),%rbx
  38:	49 8d 7f 10          	lea    0x10(%r15),%rdi
  3c:	48                   	rex.W
  3d:	b8                   	.byte 0xb8
	...

Code starting with the faulting instruction
===========================================
   0:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   4:	0f 85 95 06 00 00    	jne    0x69f
   a:	48 8b 5b 58          	mov    0x58(%rbx),%rbx
   e:	49 8d 7f 10          	lea    0x10(%r15),%rdi
  12:	48                   	rex.W
  13:	b8                   	.byte 0xb8
	...
[ 6090.209568][T11781] RSP: 0018:ffffc900057ffbc0 EFLAGS: 00010202
[ 6090.209872][T11781] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffffa749252f
[ 6090.210206][T11781] RDX: 000000000000000b RSI: 0000000000000004 RDI: 0000000000000058
[ 6090.210455][T11781] RBP: ffff8880058e5e08 R08: 0000000000000000 R09: ffffed10009ea4c5
[ 6090.210706][T11781] R10: ffff888004f5262f R11: ffff8880207515f0 R12: ffffc900057ffc60
[ 6090.210962][T11781] R13: ffff88800a84e800 R14: 0000000090000000 R15: ffff888020396340
[ 6090.211213][T11781] FS:  00007fdbb2805300(0000) GS:ffff8880c30ad000(0000) knlGS:0000000000000000
[ 6090.211509][T11781] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6090.211719][T11781] CR2: 00007fdbb2ab1ac0 CR3: 0000000004a33002 CR4: 0000000000772ef0
[ 6090.211970][T11781] PKRU: 55555554
[ 6090.212103][T11781] Call Trace:
[ 6090.212231][T11781]  <TASK>
[6090.212320][T11781] ip_route_output_key_hash (net/ipv4/route.c:2701) 
[6090.212493][T11781] ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2688) 
[6090.212705][T11781] ip_route_output_flow (net/ipv4/route.c:2930) 
[6090.212878][T11781] __ip4_datagram_connect (./include/net/route.h:355 net/ipv4/datagram.c:49) 
[6090.213049][T11781] ? inet_autobind (net/ipv4/af_inet.c:570) 
[6090.213217][T11781] udp_connect (net/ipv4/udp.c:2153) 
[6090.213351][T11781] __sys_connect (./include/linux/file.h:62 ./include/linux/file.h:83 net/socket.c:2095) 
[6090.213521][T11781] ? __sys_connect_file (net/socket.c:2093) 
[6090.213688][T11781] ? fd_install (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 fs/file.c:676) 
[6090.213860][T11781] ? fd_install (./arch/x86/include/asm/preempt.h:104 ./include/linux/rcupdate.h:955 fs/file.c:676) 
[6090.214026][T11781] ? __sys_socket (net/socket.c:503 net/socket.c:1740) 
[6090.214197][T11781] ? update_socket_protocol+0x10/0x10 
[6090.214363][T11781] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:143 ./include/linux/mmap_lock.h:267 arch/x86/mm/fault.c:1338) 
[6090.214540][T11781] __x64_sys_connect (net/socket.c:2108) 
[6090.214754][T11781] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) 
[6090.214989][T11781] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[6090.215237][T11781] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 6090.215443][T11781] RIP: 0033:0x7fdbb2a9bd77
[ 6090.215618][T11781] Code: 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 18 89 54 24 0c 48 89 34 24 89
All code
========
   0:	64 89 01             	mov    %eax,%fs:(%rcx)
   3:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
   7:	c3                   	ret
   8:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   f:	00 00 00 
  12:	90                   	nop
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2a 00 00 00       	mov    $0x2a,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 18          	sub    $0x18,%rsp
  37:	89 54 24 0c          	mov    %edx,0xc(%rsp)
  3b:	48 89 34 24          	mov    %rsi,(%rsp)
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 18          	sub    $0x18,%rsp
   d:	89 54 24 0c          	mov    %edx,0xc(%rsp)
  11:	48 89 34 24          	mov    %rsi,(%rsp)
  15:	89                   	.byte 0x89
[ 6090.216211][T11781] RSP: 002b:00007fff10139b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 6090.216464][T11781] RAX: ffffffffffffffda RBX: 00007fff1013b972 RCX: 00007fdbb2a9bd77
[ 6090.216717][T11781] RDX: 0000000000000010 RSI: 00007fff10139b90 RDI: 0000000000000007
[ 6090.216972][T11781] RBP: 00007fff1013a1e0 R08: 00000000000000ff R09: 0000000000000000
[ 6090.217222][T11781] R10: 00007fdbb29935a0 R11: 0000000000000246 R12: 00007fff1013a538


Finger prints:
__mkroute_output:ip_route_output_key_hash:ip_route_output_flow:__ip4_datagram_connect:udp_connect