general protection fault, probably for non-canonical address 0xdffffc000000006c: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000360-0x0000000000000367]
CPU: 1 PID: 854 Comm: syz-executor.5 Not tainted 6.0.0-rc2-syzkaller-00194-gebe5555c2f34 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:ax25_dev_ax25dev include/net/ax25.h:342 [inline]
RIP: 0010:ax25_send_frame+0xe4/0x640 net/ax25/ax25_out.c:56
Code: 00 48 85 c0 49 89 c4 0f 85 fb 03 00 00 e8 34 39 2c f9 49 8d bd 60 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 b1 04 00 00 4d 8b ad 60 03 00 00 4d 85 ed 0f 84
RSP: 0018:ffffc900001e0ab8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8880269bb408 RCX: 0000000000000100
RDX: 000000000000006c RSI: ffffffff884fd1fc RDI: 0000000000000360
RBP: ffffffff9155a520 R08: 0000000000000001 R09: ffffffff908ddaaf
R10: 0000000000000001 R11: 1ffffffff2015c1a R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000104 R15: 0000000000000000
FS:  00007fd4433f6700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555558fc108 CR3: 000000001cf3f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rose_send_frame+0xcc/0x2f0 net/rose/rose_link.c:106
 rose_transmit_clear_request+0x1d5/0x290 net/rose/rose_link.c:255
 rose_rx_call_request+0x4c0/0x1bc0 net/rose/af_rose.c:1009
 rose_loopback_timer+0x19e/0x590 net/rose/rose_loopback.c:111
 call_timer_fn+0x1a0/0x6b0 kernel/time/timer.c:1474
 expire_timers kernel/time/timer.c:1519 [inline]
 __run_timers.part.0+0x674/0xa80 kernel/time/timer.c:1790
 __run_timers kernel/time/timer.c:1768 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803
 __do_softirq+0x1d3/0x9c6 kernel/softirq.c:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:stack_access_ok+0xe1/0x1d0 arch/x86/kernel/unwind_orc.c:347
Code: c1 ea 03 80 3c 02 00 0f 85 e1 00 00 00 48 8b 73 28 48 89 da 48 89 ef e8 ed a9 f5 ff 85 c0 74 0f 31 c0 48 83 c4 08 5b 5d 41 5c <41> 5d 41 5e c3 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa
RSP: 0018:ffffc900155af888 EFLAGS: 00000292
RAX: ffffc900155b0001 RBX: 0000000000000001 RCX: 0000000000000001
RDX: ffffc900155af901 RSI: ffffc900155af958 RDI: ffffc900155af970
RBP: ffffc900155af9a8 R08: ffffffff8e5cd3dc R09: ffffc900155af960
R10: fffff52002ab5f37 R11: ffffc900155af958 R12: ffffc900155af995
R13: ffffc900155a8000 R14: ffffc900155af960 R15: ffffffff8e5cd3e0
 deref_stack_reg arch/x86/kernel/unwind_orc.c:352 [inline]
 unwind_next_frame+0xc3f/0x1cc0 arch/x86/kernel/unwind_orc.c:534
 __unwind_start+0x51b/0x800 arch/x86/kernel/unwind_orc.c:712
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0x5c/0xe0 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:437 [inline]
 __kasan_slab_alloc+0x90/0xc0 mm/kasan/common.c:470
 kasan_slab_alloc include/linux/kasan.h:224 [inline]
 slab_post_alloc_hook mm/slab.h:727 [inline]
 slab_alloc_node mm/slub.c:3243 [inline]
 slab_alloc mm/slub.c:3251 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3258 [inline]
 kmem_cache_alloc_lru+0x376/0x720 mm/slub.c:3275
 __d_alloc+0x32/0x960 fs/dcache.c:1769
 d_alloc_pseudo+0x19/0x70 fs/dcache.c:1899
 alloc_file_pseudo+0xc6/0x250 fs/file_table.c:265
 sock_alloc_file+0x4f/0x190 net/socket.c:463
 sock_map_fd net/socket.c:487 [inline]
 __sys_socket+0x1a4/0x240 net/socket.c:1644
 __do_sys_socket net/socket.c:1649 [inline]
 __se_sys_socket net/socket.c:1647 [inline]
 __x64_sys_socket+0x6f/0xb0 net/socket.c:1647
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fd442289279
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd4433f6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007fd44239c120 RCX: 00007fd442289279
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000010
RBP: 00007fd4422e3189 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc6c28116f R14: 00007fd4433f6300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ax25_dev_ax25dev include/net/ax25.h:342 [inline]
RIP: 0010:ax25_send_frame+0xe4/0x640 net/ax25/ax25_out.c:56
Code: 00 48 85 c0 49 89 c4 0f 85 fb 03 00 00 e8 34 39 2c f9 49 8d bd 60 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 b1 04 00 00 4d 8b ad 60 03 00 00 4d 85 ed 0f 84
RSP: 0018:ffffc900001e0ab8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8880269bb408 RCX: 0000000000000100
RDX: 000000000000006c RSI: ffffffff884fd1fc RDI: 0000000000000360
RBP: ffffffff9155a520 R08: 0000000000000001 R09: ffffffff908ddaaf
R10: 0000000000000001 R11: 1ffffffff2015c1a R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000104 R15: 0000000000000000
FS:  00007fd4433f6700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555558fc108 CR3: 000000001cf3f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 48 85             	add    %cl,-0x7b(%rax)
   3:	c0 49 89 c4          	rorb   $0xc4,-0x77(%rcx)
   7:	0f 85 fb 03 00 00    	jne    0x408
   d:	e8 34 39 2c f9       	callq  0xf92c3946
  12:	49 8d bd 60 03 00 00 	lea    0x360(%r13),%rdi
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  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 b1 04 00 00    	jne    0x4e5
  34:	4d 8b ad 60 03 00 00 	mov    0x360(%r13),%r13
  3b:	4d 85 ed             	test   %r13,%r13
  3e:	0f                   	.byte 0xf
  3f:	84                   	.byte 0x84