Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 6031 Comm: syz.1.14 Not tainted 6.17.0-rc1-syzkaller-ge4414b01c1cd #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:___pcpu_freelist_pop kernel/bpf/percpu_freelist.c:114 [inline]
RIP: 0010:__pcpu_freelist_pop+0x6b7/0x8c0 kernel/bpf/percpu_freelist.c:125
Code: 10 48 3b 8c 24 80 00 00 00 0f 85 b4 01 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 89 f8 48 c1 e8 03 <80> 3c 18 00 48 89 7c 24 20 74 0a e8 29 3f 41 00 48 8b 7c 24 20 48
RSP: 0018:ffffc900000077a0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffe8ffffd6a7b8
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc90000007870 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000000f00 R12: 1ffffd1ffffad4f6
R13: ffffe8ffffd6a7b0 R14: 0000000000000001 R15: 0000000000000000
FS:  00007f2eb71206c0(0000) GS:ffff888125c1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000007815e000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 pcpu_freelist_pop+0xca/0x170 kernel/bpf/percpu_freelist.c:134
 __bpf_get_stackid+0x574/0xcf0 kernel/bpf/stackmap.c:259
 ____bpf_get_stackid_raw_tp kernel/trace/bpf_trace.c:1810 [inline]
 bpf_get_stackid_raw_tp+0x196/0x210 kernel/trace/bpf_trace.c:1799
 bpf_prog_b724608cae728045+0x27/0x2f
 bpf_dispatcher_nop_func include/linux/bpf.h:1332 [inline]
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run include/linux/filter.h:725 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2257 [inline]
 bpf_trace_run2+0x284/0x4b0 kernel/trace/bpf_trace.c:2298
 __do_trace_kfree include/trace/events/kmem.h:94 [inline]
 trace_kfree include/trace/events/kmem.h:94 [inline]
 kfree+0x3a0/0x440 mm/slub.c:4866
 deferred_put_nlk_sk+0x43/0xf0 net/netlink/af_netlink.c:710
 rcu_do_batch kernel/rcu/tree.c:2605 [inline]
 rcu_core+0xca8/0x1770 kernel/rcu/tree.c:2861
 handle_softirqs+0x283/0x870 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__kasan_check_byte+0x7/0x40 mm/kasan/common.c:566
Code: da fe ff ff 48 ff c8 49 89 c4 e9 cf fe ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 56 53 <48> 89 f3 49 89 fe e8 5e 14 00 00 84 c0 75 16 be 01 00 00 00 4c 89
RSP: 0018:ffffc900047defc0 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: bc510d9753f50f00
RDX: 0000000000000000 RSI: ffffffff8172c1b2 RDI: ffffffff8e139ee0
RBP: ffffffff8172c195 R08: 0000000000000000 R09: 0000000000000000
R10: ffffc900047df198 R11: ffffffff81ac3890 R12: 0000000000000002
R13: ffffffff8e139ee0 R14: 0000000000000000 R15: 0000000000000000
 kasan_check_byte include/linux/kasan.h:399 [inline]
 lock_acquire+0x8d/0x360 kernel/locking/lockdep.c:5842
 rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 rcu_read_lock include/linux/rcupdate.h:841 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1155 [inline]
 unwind_next_frame+0xc2/0x2390 arch/x86/kernel/unwind_orc.c:479
 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:388 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:405
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __kmalloc_cache_noprof+0x230/0x3d0 mm/slub.c:4396
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 do_check_common+0x209/0x24f0 kernel/bpf/verifier.c:23158
 do_check_main kernel/bpf/verifier.c:23343 [inline]
 bpf_check+0x1746a/0x1d2d0 kernel/bpf/verifier.c:24703
 bpf_prog_load+0x1318/0x1930 kernel/bpf/syscall.c:2979
 __sys_bpf+0x528/0x870 kernel/bpf/syscall.c:6029
 __do_sys_bpf kernel/bpf/syscall.c:6139 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6137 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6137
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2eb638ebe9
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:00007f2eb7120038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f2eb65b5fa0 RCX: 00007f2eb638ebe9
RDX: 0000000000000048 RSI: 00002000000017c0 RDI: 0000000000000005
RBP: 00007f2eb6411e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2eb65b6038 R14: 00007f2eb65b5fa0 R15: 00007fff1392a978
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:___pcpu_freelist_pop kernel/bpf/percpu_freelist.c:114 [inline]
RIP: 0010:__pcpu_freelist_pop+0x6b7/0x8c0 kernel/bpf/percpu_freelist.c:125
Code: 10 48 3b 8c 24 80 00 00 00 0f 85 b4 01 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 89 f8 48 c1 e8 03 <80> 3c 18 00 48 89 7c 24 20 74 0a e8 29 3f 41 00 48 8b 7c 24 20 48
RSP: 0018:ffffc900000077a0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffe8ffffd6a7b8
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc90000007870 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000000f00 R12: 1ffffd1ffffad4f6
R13: ffffe8ffffd6a7b0 R14: 0000000000000001 R15: 0000000000000000
FS:  00007f2eb71206c0(0000) GS:ffff888125c1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000007815e000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	10 48 3b             	adc    %cl,0x3b(%rax)
   3:	8c 24 80             	mov    %fs,(%rax,%rax,4)
   6:	00 00                	add    %al,(%rax)
   8:	00 0f                	add    %cl,(%rdi)
   a:	85 b4 01 00 00 48 8d 	test   %esi,-0x72b80000(%rcx,%rax,1)
  11:	65 d8 5b 41          	fcomps %gs:0x41(%rbx)
  15:	5c                   	pop    %rsp
  16:	41 5d                	pop    %r13
  18:	41 5e                	pop    %r14
  1a:	41 5f                	pop    %r15
  1c:	5d                   	pop    %rbp
  1d:	c3                   	ret
  1e:	cc                   	int3
  1f:	cc                   	int3
  20:	cc                   	int3
  21:	cc                   	int3
  22:	cc                   	int3
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1) <-- trapping instruction
  2e:	48 89 7c 24 20       	mov    %rdi,0x20(%rsp)
  33:	74 0a                	je     0x3f
  35:	e8 29 3f 41 00       	call   0x413f63
  3a:	48 8b 7c 24 20       	mov    0x20(%rsp),%rdi
  3f:	48                   	rex.W