------------[ cut here ]------------
WARNING: CPU: 1 PID: 6981 at net/kcm/kcmsock.c:630 kcm_write_msgs+0x1034/0x11a8 net/kcm/kcmsock.c:630
Modules linked in:
CPU: 1 UID: 0 PID: 6981 Comm: syz-executor.1 Not tainted 6.11.0-rc7-syzkaller-00105-g5f5673607153 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : kcm_write_msgs+0x1034/0x11a8 net/kcm/kcmsock.c:630
lr : kcm_write_msgs+0x1034/0x11a8 net/kcm/kcmsock.c:630
sp : ffff8000a3587500
x29: ffff8000a35876c0 x28: ffff0000d9024c0c x27: 1fffe0001b204981
x26: 1fffe0001b2048a5 x25: 0000000000088000 x24: ffff0000db754b00
x23: dfff800000000000 x22: ffff0000d9024c10 x21: 0000000000000000
x20: ffff0000d9024538 x19: ffff0000d11c0140 x18: ffff0000d649e200
x17: ffff800124205000 x16: ffff800080569b84 x15: 000000000000000d
x14: 1ffff000146b0ec0 x13: 0000000000000000 x12: 0000000000000000
x11: ffff7000146b0ecd x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000d4cf8000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 kcm_write_msgs+0x1034/0x11a8 net/kcm/kcmsock.c:630
 kcm_sendmsg+0x1b78/0x2134 net/kcm/kcmsock.c:907
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 sock_write_iter+0x2d8/0x448 net/socket.c:1160
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0x940/0xc80 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: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+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: 11544
hardirqs last  enabled at (11543): [<ffff8000801f812c>] __local_bh_enable_ip+0x224/0x44c kernel/softirq.c:387
hardirqs last disabled at (11544): [<ffff80008b3363f4>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470
softirqs last  enabled at (11542): [<ffff8000894328ac>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (11542): [<ffff8000894328ac>] release_sock+0x154/0x1b8 net/core/sock.c:3567
softirqs last disabled at (11540): [<ffff800089432794>] spin_lock_bh include/linux/spinlock.h:356 [inline]
softirqs last disabled at (11540): [<ffff800089432794>] release_sock+0x3c/0x1b8 net/core/sock.c:3556
---[ end trace 0000000000000000 ]---
KCM: Hard failure on kcm_write_msgs