------------[ cut here ]------------
WARNING: CPU: 0 PID: 7193 at net/kcm/kcmsock.c:628 kcm_write_msgs+0x1079/0x1320 net/kcm/kcmsock.c:628
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 7193 Comm: syz-executor138 Not tainted 5.7.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1e9/0x30e lib/dump_stack.c:118
 panic+0x264/0x7a0 kernel/panic.c:221
 __warn+0x209/0x210 kernel/panic.c:582
 report_bug+0x1ac/0x2d0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:175 [inline]
 do_error_trap+0xca/0x1c0 arch/x86/kernel/traps.c:267
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:kcm_write_msgs+0x1079/0x1320 net/kcm/kcmsock.c:628
Code: 6c 24 14 89 ee e8 77 d3 05 fa 85 ed 44 0f 45 ed 44 89 e8 48 81 c4 b0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b7 cf 05 fa <0f> 0b 41 bd ea ff ff ff e9 4f ff ff ff e8 a5 cf 05 fa 0f 0b e9 0f
RSP: 0018:ffffc900016f7a60 EFLAGS: 00010293
RAX: ffffffff876d91d9 RBX: ffff8880a29eacc0 RCX: ffff8880887d8600
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff876d89ec R09: fffffbfff16292b6
R10: fffffbfff16292b6 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000008000 R14: ffff8880a2da4080 R15: 0000000000110000
 kcm_sendmsg+0x1b5e/0x2170 net/kcm/kcmsock.c:1034
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg net/socket.c:672 [inline]
 sock_write_iter+0x2b4/0x3d0 net/socket.c:1004
 call_write_iter include/linux/fs.h:1907 [inline]
 new_sync_write fs/read_write.c:484 [inline]
 __vfs_write+0x54c/0x710 fs/read_write.c:497
 vfs_write+0x274/0x580 fs/read_write.c:559
 ksys_write+0x11b/0x220 fs/read_write.c:612
 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x447039
Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 2b 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f31c264ad98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00000000006dcc48 RCX: 0000000000447039
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00000000006dcc40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc4c
R13: 00000000200003c0 R14: 00000000004af628 R15: 000000000000d4f5
Kernel Offset: disabled
Rebooting in 86400 seconds..