------------[ cut here ]------------
WARNING: CPU: 1 PID: 3701 at net/kcm/kcmsock.c:634 kcm_write_msgs+0x584/0x5e0 net/kcm/kcmsock.c:634
Modules linked in:
CPU: 1 PID: 3701 Comm: syz-executor105 Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : kcm_write_msgs+0x584/0x5e0 net/kcm/kcmsock.c:634
lr : kcm_write_msgs+0x584/0x5e0 net/kcm/kcmsock.c:634
sp : ffff800012eb3ad0
x29: ffff800012eb3b00 x28: ffff0000cb340c00 x27: 00000000000000c0
x26: 0000000000000000 x25: 0000000000008000 x24: 0000000000220000
x23: ffff0000d0be4240 x22: 00000000000000c0 x21: ffff0000d0b1b300
x20: 0000000000000011 x19: ffff0000c0fd5dc0 x18: 0000000000000000
x17: ffff8001f1d0d000 x16: ffff80000dbe6158 x15: ffff0000d0f09a40
x14: 00000000000000a8 x13: 00000000ffffffff x12: ffff0000d0f09a40
x11: ff8080000bb0fce0 x10: 0000000000000000 x9 : ffff80000bb0fce0
x8 : ffff0000d0f09a40 x7 : ffff80000b225440 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 kcm_write_msgs+0x584/0x5e0 net/kcm/kcmsock.c:634
 kcm_sendmsg+0xa1c/0xcdc net/kcm/kcmsock.c:1040
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg net/socket.c:734 [inline]
 sock_write_iter+0x140/0x1bc net/socket.c:1108
 call_write_iter include/linux/fs.h:2199 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x2dc/0x46c fs/read_write.c:584
 ksys_write+0xb4/0x160 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x24/0x34 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x140 arch/arm64/kernel/syscall.c:197
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584
irq event stamp: 10396
hardirqs last  enabled at (10395): [<ffff800008106f78>] __local_bh_enable_ip+0x13c/0x1a4 kernel/softirq.c:401
hardirqs last disabled at (10396): [<ffff80000c084084>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (10394): [<ffff80000b225508>] spin_unlock_bh include/linux/spinlock.h:395 [inline]
softirqs last  enabled at (10394): [<ffff80000b225508>] release_sock+0xf4/0x108 net/core/sock.c:3473
softirqs last disabled at (10392): [<ffff80000b225440>] spin_lock_bh include/linux/spinlock.h:355 [inline]
softirqs last disabled at (10392): [<ffff80000b225440>] release_sock+0x2c/0x108 net/core/sock.c:3460
---[ end trace 0000000000000000 ]---
KCM: Hard failure on kcm_write_msgs