======================================
|
| WAIT TIMEOUT stdout
| [ 5909.838236][  T730] Oops: general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] SMP KASAN
| [ 5909.838734][  T730] KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f]
[ 5909.839485][  T730] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 5909.839786][ T730] RIP: 0010:__mkroute_output (net/ipv4/route.c:2663) 
[ 5909.840034][ T730] 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
	...
[ 5909.840858][  T730] RSP: 0018:ffffc90005d17bc0 EFLAGS: 00010202
[ 5909.841154][  T730] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffffad09259f
[ 5909.841507][  T730] RDX: 000000000000000b RSI: 0000000000000004 RDI: 0000000000000058
[ 5909.841852][  T730] RBP: ffff888014a95608 R08: 0000000000000000 R09: ffffed1002935bd5
[ 5909.842199][  T730] R10: ffff8880149adeaf R11: ffff888023de15f0 R12: ffffc90005d17c60
[ 5909.842544][  T730] R13: ffff88800b7dd000 R14: 0000000090000000 R15: ffff88801e500f40
[ 5909.842894][  T730] FS:  00007effb2ade300(0000) GS:ffff8880bd32c000(0000) knlGS:0000000000000000
[ 5909.843300][  T730] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5909.843607][  T730] CR2: 00007effb2d93730 CR3: 000000000e49a002 CR4: 0000000000772ef0
[ 5909.843961][  T730] PKRU: 55555554
[ 5909.844137][  T730] Call Trace:
[ 5909.844320][  T730]  <TASK>
[ 5909.844445][ T730] ip_route_output_key_hash (net/ipv4/route.c:2701) 
[ 5909.844684][ T730] ? ip_route_output_key_hash_rcu (net/ipv4/route.c:2688) 
[ 5909.844986][ T730] ip_route_output_flow (net/ipv4/route.c:2930) 
[ 5909.845219][ T730] __ip4_datagram_connect (./include/net/route.h:355 net/ipv4/datagram.c:49) 
[ 5909.845458][ T730] ? inet_autobind (net/ipv4/af_inet.c:570) 
[ 5909.845689][ T730] udp_connect (net/ipv4/udp.c:2153) 
[ 5909.845868][ T730] __sys_connect (./include/linux/file.h:62 ./include/linux/file.h:83 net/socket.c:2095) 
[ 5909.846107][ T730] ? __sys_connect_file (net/socket.c:2093) 
[ 5909.846337][ T730] ? fd_install (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 fs/file.c:676) 
[ 5909.846570][ T730] ? fd_install (./arch/x86/include/asm/preempt.h:104 ./include/linux/rcupdate.h:955 fs/file.c:676) 
[ 5909.846810][ T730] ? __sys_socket (net/socket.c:503 net/socket.c:1740) 
[ 5909.847044][ T730] ? update_socket_protocol+0x10/0x10 
[ 5909.847280][ T730] ? 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) 
[ 5909.847519][ T730] __x64_sys_connect (net/socket.c:2108) 
[ 5909.847756][ T730] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) 
[ 5909.847991][ T730] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 5909.848225][ T730] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 5909.848514][  T730] RIP: 0033:0x7effb2d74d77
[ 5909.848759][ T730] 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
[ 5909.849597][  T730] RSP: 002b:00007ffe852c6008 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 5909.849955][  T730] RAX: ffffffffffffffda RBX: 00007ffe852c8972 RCX: 00007effb2d74d77
[ 5909.850309][  T730] RDX: 0000000000000010 RSI: 00007ffe852c6070 RDI: 0000000000000007
[ 5909.850663][  T730] RBP: 00007ffe852c66c0 R08: 00000000000000ff R09: 0000000000000000
[ 5909.851022][  T730] R10: 00007effb2c6c5a0 R11: 0000000000000246 R12: 00007ffe852c6a18


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