Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 6990 Comm: syz.4.259 Not tainted 6.14.0-rc5-syzkaller-00214-g21e4543a2e2f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:llc_conn_state_process+0xc5d/0x12e0
Code: 0f 94 c0 4c 8b 75 00 44 8d 64 00 01 b8 01 00 00 00 bd 07 00 00 00 0f 44 e8 4c 89 f0 48 c1 e8 03 48 ba 00 00 00 00 00 fc ff df <0f> b6 04 10 84 c0 0f 85 c1 05 00 00 45 89 26 0f b6 04 13 84 c0 0f
RSP: 0018:ffffc90000a28ac8 EFLAGS: 00010256
RAX: 0000000000000000 RBX: 1ffff1100467e602 RCX: ffff88802f049e00
RDX: dffffc0000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 0000000000000007 R08: ffffffff89e99ab1 R09: ffffffff89e99898
R10: 0000000000000005 R11: ffff88802f049e00 R12: 0000000000000001
R13: ffff8880233f3000 R14: 0000000000000000 R15: ffff8880233f3012
FS:  00007f1ba9c996c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c31120f CR3: 000000002a896000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 llc_process_tmr_ev net/llc/llc_c_ac.c:1445 [inline]
 llc_conn_tmr_common_cb+0x34c/0x850 net/llc/llc_c_ac.c:1331
 call_timer_fn+0x189/0x650 kernel/time/timer.c:1789
 expire_timers kernel/time/timer.c:1840 [inline]
 __run_timers kernel/time/timer.c:2414 [inline]
 __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2426
 run_timer_base kernel/time/timer.c:2435 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2445
 handle_softirqs+0x2d6/0x9b0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_is_held_type+0x13b/0x190
Code: 75 44 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 42 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc9001f77f168 EFLAGS: 00000206
RAX: 6969cd21bb32fb00 RBX: 0000000000000001 RCX: 0000000080000001
RDX: ffff88802f049e00 RSI: ffffffff8c2ac500 RDI: ffffffff8c80ff20
RBP: 0000000000000001 R08: ffffffff81fa4605 R09: 1ffffd40002a83fe
R10: dffffc0000000000 R11: fffff940002a83ff R12: 0000000000000246
R13: ffff88802f049e00 R14: 00000000ffffffff R15: ffffffff8eb39320
 xa_entry include/linux/xarray.h:1220 [inline]
 xas_next_entry+0x270/0x3d0 include/linux/xarray.h:1712
 next_uptodate_folio+0x33/0x5f0 mm/filemap.c:3627
 filemap_map_pages+0x12d0/0x1900 mm/filemap.c:3820
 do_fault_around mm/memory.c:5361 [inline]
 do_read_fault mm/memory.c:5394 [inline]
 do_fault mm/memory.c:5537 [inline]
 do_pte_missing mm/memory.c:4058 [inline]
 handle_pte_fault mm/memory.c:5900 [inline]
 __handle_mm_fault+0x4acd/0x70f0 mm/memory.c:6043
 handle_mm_fault+0x3e5/0x8d0 mm/memory.c:6212
 faultin_page mm/gup.c:1196 [inline]
 __get_user_pages+0x1a92/0x4140 mm/gup.c:1491
 populate_vma_page_range+0x264/0x330 mm/gup.c:1929
 __mm_populate+0x27a/0x460 mm/gup.c:2032
 mm_populate include/linux/mm.h:3386 [inline]
 vm_mmap_pgoff+0x303/0x430 mm/util.c:580
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1ba8d8d169
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1ba9c99038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f1ba8fa5fa0 RCX: 00007f1ba8d8d169
RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000400000000000
RBP: 00007f1ba8e0e2a0 R08: ffffffffffffffff R09: 000000006770c000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1ba8fa5fa0 R15: 00007ffca31b27b8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:llc_conn_state_process+0xc5d/0x12e0
Code: 0f 94 c0 4c 8b 75 00 44 8d 64 00 01 b8 01 00 00 00 bd 07 00 00 00 0f 44 e8 4c 89 f0 48 c1 e8 03 48 ba 00 00 00 00 00 fc ff df <0f> b6 04 10 84 c0 0f 85 c1 05 00 00 45 89 26 0f b6 04 13 84 c0 0f
RSP: 0018:ffffc90000a28ac8 EFLAGS: 00010256
RAX: 0000000000000000 RBX: 1ffff1100467e602 RCX: ffff88802f049e00
RDX: dffffc0000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 0000000000000007 R08: ffffffff89e99ab1 R09: ffffffff89e99898
R10: 0000000000000005 R11: ffff88802f049e00 R12: 0000000000000001
R13: ffff8880233f3000 R14: 0000000000000000 R15: ffff8880233f3012
FS:  00007f1ba9c996c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c31120f CR3: 000000002a896000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	0f 94 c0             	sete   %al
   3:	4c 8b 75 00          	mov    0x0(%rbp),%r14
   7:	44 8d 64 00 01       	lea    0x1(%rax,%rax,1),%r12d
   c:	b8 01 00 00 00       	mov    $0x1,%eax
  11:	bd 07 00 00 00       	mov    $0x7,%ebp
  16:	0f 44 e8             	cmove  %eax,%ebp
  19:	4c 89 f0             	mov    %r14,%rax
  1c:	48 c1 e8 03          	shr    $0x3,%rax
  20:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  27:	fc ff df
* 2a:	0f b6 04 10          	movzbl (%rax,%rdx,1),%eax <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	0f 85 c1 05 00 00    	jne    0x5f7
  36:	45 89 26             	mov    %r12d,(%r14)
  39:	0f b6 04 13          	movzbl (%rbx,%rdx,1),%eax
  3d:	84 c0                	test   %al,%al
  3f:	0f                   	.byte 0xf