------------[ cut here ]------------
WARNING: CPU: 1 PID: 6755 at net/kcm/kcmsock.c:630 kcm_write_msgs+0x1074/0x11dc net/kcm/kcmsock.c:630
Modules linked in:
CPU: 1 PID: 6755 Comm: syz-executor.1 Not tainted 6.8.0-rc7-syzkaller-00135-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : kcm_write_msgs+0x1074/0x11dc net/kcm/kcmsock.c:630
lr : kcm_write_msgs+0x1074/0x11dc net/kcm/kcmsock.c:630
sp : ffff800097ab7500
x29: ffff800097ab76c0
 x28: ffff0000d1a8098c
 x27: 1fffe0001a350131

x26: ffff0000d1a80174
 x25: 0000000000088000
 x24: ffff0000e72202c0

x23: dfff800000000000
 x22: ffff0000d1a80990
 x21: 0000000000000000

x20: ffff0000d1a80178
 x19: ffff0000da024900
 x18: 0000000000000000

x17: 0000000000001000
 x16: ffff800080529618
 x15: 000000000000000d

x14: 1ffff00012f56ec0
 x13: 0000000000000000
 x12: 0000000000000000

x11: ffff700012f56ecd
 x10: 0000000000ff0100
 x9 : 0000000000000000

x8 : ffff0000d59c8000
 x7 : 0000000000000000
 x6 : 0000000000000000

x5 : 0000000000000000
 x4 : 0000000000000000
 x3 : 0000000000000020

x2 : 0000000000000008
 x1 : 0000000000000000
 x0 : 0000000000000000

Call trace:
 kcm_write_msgs+0x1074/0x11dc net/kcm/kcmsock.c:630
 kcm_sendmsg+0x1c08/0x2124 net/kcm/kcmsock.c:905
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 sock_write_iter+0x2d8/0x448 net/socket.c:1160
 call_write_iter include/linux/fs.h:2087 [inline]
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0x968/0xc3c fs/read_write.c:590
 ksys_write+0x15c/0x26c fs/read_write.c:643
 __do_sys_write fs/read_write.c:655 [inline]
 __se_sys_write fs/read_write.c:652 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:652
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 10064
hardirqs last  enabled at (10063): [<ffff8000801dae10>] __local_bh_enable_ip+0x224/0x44c kernel/softirq.c:386
hardirqs last disabled at (10064): [<ffff80008ad66988>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470
softirqs last  enabled at (10062): [<ffff800088e9a56c>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (10062): [<ffff800088e9a56c>] release_sock+0x154/0x1b8 net/core/sock.c:3547
softirqs last disabled at (10060): [<ffff800088e9a454>] spin_lock_bh include/linux/spinlock.h:356 [inline]
softirqs last disabled at (10060): [<ffff800088e9a454>] release_sock+0x3c/0x1b8 net/core/sock.c:3536
---[ end trace 0000000000000000 ]---
KCM: Hard failure on kcm_write_msgs