BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 1de677067 P4D 1de677067 PUD 1df4d9067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4611 Comm: syz.1.1383 Not tainted 5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:0x0
Code: Bad RIP value.
RSP: 0018:ffff8881f6e09d18 EFLAGS: 00010206
RAX: ffffffff8154d7aa RBX: 0000000000000100 RCX: ffff8881e4a80fc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff8881f35c31c0
RBP: ffff8881f6e09ec8 R08: ffffffff8154d3ee R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: 00000000ffffc060
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8881f35c31c0
FS:  00007fa70af006c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000001d1348000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 call_timer_fn+0x36/0x390 kernel/time/timer.c:1448
 expire_timers kernel/time/timer.c:1493 [inline]
 __run_timers+0x879/0xbe0 kernel/time/timer.c:1817
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830
 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x195/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:538 [inline]
 smp_apic_timer_interrupt+0x11a/0x460 arch/x86/kernel/apic/apic.c:1149
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
 </IRQ>
RIP: 0010:unwind_next_frame+0x18d3/0x1ea0 arch/x86/kernel/unwind_orc.c:613
Code: 43 3d 00 00 c6 43 3f 00 65 48 8b 0c 25 28 00 00 00 48 3b 8c 24 a0 02 00 00 0f 85 cd 05 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e <41> 5f 5d c3 49 89 d6 49 89 d5 4c 89 f8 4c 29 e8 48 89 c1 48 c1 f9
RSP: 0018:ffff8881e4bef748 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000080000001 RBX: ffff8881e4bef760 RCX: 3036ab0fd1c25b00
RDX: ffff8881e4bef7a0 RSI: ffff8881e4bef3e0 RDI: 0000000000000001
RBP: ffff8881e4bef750 R08: dffffc0000000000 R09: ffff8881e4bef7b0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881e4a80fc0
R13: ffffffff8153b310 R14: ffff8881e4bef840 R15: ffff8881e4be8000
 arch_stack_walk+0x111/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x118/0x1c0 kernel/stacktrace.c:123
 save_stack mm/kasan/common.c:70 [inline]
 set_track mm/kasan/common.c:78 [inline]
 __kasan_kmalloc+0x171/0x210 mm/kasan/common.c:529
 slab_post_alloc_hook mm/slab.h:584 [inline]
 slab_alloc_node mm/slub.c:2829 [inline]
 slab_alloc mm/slub.c:2837 [inline]
 kmem_cache_alloc+0xd9/0x250 mm/slub.c:2842
 __d_alloc+0x2a/0x6a0 fs/dcache.c:1691
 d_alloc_pseudo+0x19/0x70 fs/dcache.c:1820
 alloc_file_pseudo+0x131/0x2f0 fs/file_table.c:226
 __anon_inode_getfile fs/anon_inodes.c:109 [inline]
 anon_inode_getfile+0xc4/0x180 fs/anon_inodes.c:147
 __do_sys_perf_event_open kernel/events/core.c:11259 [inline]
 __se_sys_perf_event_open+0xf66/0x37c0 kernel/events/core.c:11033
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7fa70bc7ed39
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:00007fa70af00048 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fa70be0cfa0 RCX: 00007fa70bc7ed39
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000240
RBP: 00007fa70bcff766 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fa70be0cfa0 R15: 00007ffdac188198
Modules linked in:
CR2: 0000000000000000
---[ end trace d05588c4b567ecfd ]---
RIP: 0010:0x0
Code: Bad RIP value.
RSP: 0018:ffff8881f6e09d18 EFLAGS: 00010206
RAX: ffffffff8154d7aa RBX: 0000000000000100 RCX: ffff8881e4a80fc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff8881f35c31c0
RBP: ffff8881f6e09ec8 R08: ffffffff8154d3ee R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: 00000000ffffc060
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8881f35c31c0
FS:  00007fa70af006c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000001d1348000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	00 00                	add    %al,(%rax)
   2:	c6 43 3f 00          	movb   $0x0,0x3f(%rbx)
   6:	65 48 8b 0c 25 28 00 	mov    %gs:0x28,%rcx
   d:	00 00
   f:	48 3b 8c 24 a0 02 00 	cmp    0x2a0(%rsp),%rcx
  16:	00
  17:	0f 85 cd 05 00 00    	jne    0x5ea
  1d:	48 8d 65 d8          	lea    -0x28(%rbp),%rsp
  21:	5b                   	pop    %rbx
  22:	41 5c                	pop    %r12
  24:	41 5d                	pop    %r13
  26:	41 5e                	pop    %r14
* 28:	41 5f                	pop    %r15 <-- trapping instruction
  2a:	5d                   	pop    %rbp
  2b:	c3                   	ret
  2c:	49 89 d6             	mov    %rdx,%r14
  2f:	49 89 d5             	mov    %rdx,%r13
  32:	4c 89 f8             	mov    %r15,%rax
  35:	4c 29 e8             	sub    %r13,%rax
  38:	48 89 c1             	mov    %rax,%rcx
  3b:	48                   	rex.W
  3c:	c1                   	.byte 0xc1
  3d:	f9                   	stc