Unable to handle kernel paging request at virtual address dfff800000000018
Mem abort info:
  ESR = 0x96000004
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
Data abort info:
  ISV = 0, ISS = 0x00000004
  CM = 0, WnR = 0
[dfff800000000018] address between user and kernel address ranges
Internal error: Oops: 96000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 5821 Comm: syz-executor.0 Not tainted 5.13.0-rc6-syzkaller-00078-gb1edae0d5f2e #0
Hardware name: linux,dummy-virt (DT)
pstate: 10000005 (nzcV daif -PAN -UAO -TCO BTYPE=--)
pc : skb_end_pointer include/linux/skbuff.h:1419 [inline]
pc : skb_has_frag_list include/linux/skbuff.h:3566 [inline]
pc : kcm_sendmsg+0xa9c/0x1eb4 net/kcm/kcmsock.c:1069
lr : kcm_sendmsg+0x1394/0x1eb4 net/kcm/kcmsock.c:928
sp : ffff80001b217760
x29: ffff80001b217760 x28: 00000000fffffe00 x27: ffff00002e125480
x26: ffff00002e125a2a x25: 0000000000000000 x24: 00000000000000c0
x23: 0000000000000018 x22: 1ffff00003642fa6 x21: ffff80001b217d20
x20: ffff0000185b9508 x19: 0000000000000000 x18: ffff00006a9efb48
x17: 0000000000000000 x16: 0000000000000000 x15: ffff00006a9efb7c
x14: 1ffff00003642e76 x13: 0000000000000001 x12: ffff700003642e95
x11: 1ffff00003642e94 x10: ffff700003642e94 x9 : 1fffe00001b9e47b
x8 : ffff00000dcf23d8 x7 : ffff80001745a7a0 x6 : 00000000f3f3f3f3
x5 : 00000000f2f2f200 x4 : 1fffe00001b9e349 x3 : dfff800000000000
x2 : 1fffe00005c24b45 x1 : 0000000000000000 x0 : dfff800000000000
Call trace:
 skb_end_pointer include/linux/skbuff.h:1419 [inline]
 skb_has_frag_list include/linux/skbuff.h:3566 [inline]
 kcm_sendmsg+0xa9c/0x1eb4 net/kcm/kcmsock.c:1069
 sock_sendmsg_nosec net/socket.c:654 [inline]
 sock_sendmsg+0xc0/0xf4 net/socket.c:674
 ____sys_sendmsg+0x548/0x6d0 net/socket.c:2350
 ___sys_sendmsg+0xf4/0x170 net/socket.c:2404
 __sys_sendmsg+0xbc/0x150 net/socket.c:2433
 __do_sys_sendmsg net/socket.c:2442 [inline]
 __se_sys_sendmsg net/socket.c:2440 [inline]
 __arm64_sys_sendmsg+0x70/0xa0 net/socket.c:2440
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x6c/0x260 arch/arm64/kernel/syscall.c:52
 el0_svc_common.constprop.0+0xc4/0x1e4 arch/arm64/kernel/syscall.c:145
 do_el0_svc+0xa0/0xcc arch/arm64/kernel/syscall.c:184
 el0_svc+0x24/0x3c arch/arm64/kernel/entry-common.c:408
 el0_sync_handler+0x1a4/0x1b0 arch/arm64/kernel/entry-common.c:424
 el0_sync+0x198/0x1c0 arch/arm64/kernel/entry.S:734
Code: 91030278 d2d00000 f2fbffe0 d343ff17 (38e06ae0) 
---[ end trace fd2d68ef7c7dae10 ]---