Unable to handle kernel paging request at virtual address dfff800000000000
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
Mem abort info:
  ESR = 0x0000000096000005
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x05: level 1 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfff800000000000] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 7753 Comm: syz.1.165 Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : free_all kernel/bpf/memalloc.c:268 [inline]
pc : drain_mem_cache+0x90/0x494 kernel/bpf/memalloc.c:638
lr : free_all kernel/bpf/memalloc.c:268 [inline]
lr : drain_mem_cache+0x88/0x494 kernel/bpf/memalloc.c:638
sp : ffff80009b7679b0
x29: ffff80009b7679b0 x28: 1fffe0001e296e3a x27: ffffffffffffffff
x26: 0000000000000001 x25: dfff800000000000 x24: fffffdffbf6e18e0
x23: dfff800000000000 x22: fffffdffbf7058c0 x21: 0000000000000001
x20: fffffdffbf705818 x19: 0000000000000000 x18: 00000000ffffffff
x17: ffff0001fea8b870 x16: ffff80008051c10c x15: 0000000000000001
x14: 1fffffbff7ee0b18 x13: 0000000000000000 x12: 0000000000000000
x11: ffff7fbff7ee0b19 x10: 0000000000ff0100 x9 : 0000000000000002
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000001 x3 : ffff800080916aa8
x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 free_all kernel/bpf/memalloc.c:268 [inline] (P)
 drain_mem_cache+0x90/0x494 kernel/bpf/memalloc.c:638 (P)
 bpf_mem_alloc_destroy+0x120/0x450 kernel/bpf/memalloc.c:754
 htab_map_free+0x6dc/0x7ac kernel/bpf/hashtab.c:1551
 bpf_map_free+0x98/0xc4 kernel/bpf/syscall.c:861
 map_create+0xaf0/0xe60 kernel/bpf/syscall.c:1557
 __sys_bpf+0x210/0x614 kernel/bpf/syscall.c:5816
 __do_sys_bpf kernel/bpf/syscall.c:5941 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5939 [inline]
 __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:5939
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767
 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Code: aa1503e1 97f80957 b4000375 d343fea8 (38776908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	aa1503e1 	mov	x1, x21
   4:	97f80957 	bl	0xffffffffffe02560
   8:	b4000375 	cbz	x21, 0x74
   c:	d343fea8 	lsr	x8, x21, #3
* 10:	38776908 	ldrb	w8, [x8, x23] <-- trapping instruction