tipc: Enabled bearer <eth:ip6gre0>, priority 10
tipc: Enabling of bearer <udp:syz2> rejected, already enabled
Unable to handle kernel paging request at virtual address ffffffffffffffc8
KASAN: maybe wild-memory-access in range [0x0003fffffffffe40-0x0003fffffffffe47]
Mem abort info:
  ESR = 0x0000000096000004
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x04: level 0 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001aef6b000
[ffffffffffffffc8] pgd=0000000000000000, p4d=0000000000000000
Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 6558 Comm: syz-executor.0 Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : memcmp lib/string.c:666 [inline]
pc : bcmp+0x7c/0x1c8 lib/string.c:698
lr : tipc_udp_is_known_peer+0xc8/0x1a8 net/tipc/udp_media.c:292
sp : ffff800096f16f60
x29: ffff800096f16f70 x28: ffff700012de2e60 x27: ffff800096f173d0
x26: ffff0000d934d420 x25: ffff800096f17000 x24: dfff800000000000
x23: ffffffffffffffc8 x22: ffff800096f170c0 x21: ffffffffffffffc8
x20: ffff800096f170c0 x19: 0000000000000014 x18: 0000000000000000
x17: 00000000ffff0000 x16: ffff80008052a264 x15: 000000000000000e
x14: 0000000000000000 x13: 000000000000000a x12: ffff0000c707bc00
x11: 00000000000000e0 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : 1ffff00012de2e18 x7 : 0000000000000000 x6 : 020000e000000002
x5 : ffff800096f17030 x4 : 0000000000000000 x3 : 0000000000000030
x2 : 0000000000000014 x1 : ffff800096f170c0 x0 : ffffffffffffffcf
Call trace:
 memcmp lib/string.c:666 [inline]
 bcmp+0x7c/0x1c8 lib/string.c:698
 tipc_udp_is_known_peer+0xc8/0x1a8 net/tipc/udp_media.c:292
 tipc_udp_nl_bearer_add+0x308/0x48c net/tipc/udp_media.c:646
 tipc_nl_bearer_add+0x23c/0x2fc net/tipc/bearer.c:1089
 genl_family_rcv_msg_doit net/netlink/genetlink.c:1113 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:1193 [inline]
 genl_rcv_msg+0x874/0xb6c net/netlink/genetlink.c:1208
 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2543
 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1217
 netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
 netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1367
 netlink_sendmsg+0x83c/0xb20 net/netlink/af_netlink.c:1908
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0x56c/0x840 net/socket.c:2584
 ___sys_sendmsg net/socket.c:2638 [inline]
 __sys_sendmsg+0x26c/0x33c net/socket.c:2667
 __do_sys_sendmsg net/socket.c:2676 [inline]
 __se_sys_sendmsg net/socket.c:2674 [inline]
 __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2674
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Code: 7a481128 5400052a d343fec8 38f86909 (f94002a8) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	7a481128 	ccmp	w9, w8, #0x8, ne	// ne = any
   4:	5400052a 	b.ge	0xa8  // b.tcont
   8:	d343fec8 	lsr	x8, x22, #3
   c:	38f86909 	ldrsb	w9, [x8, x24]
* 10:	f94002a8 	ldr	x8, [x21] <-- trapping instruction