------------[ cut here ]------------
WARNING: CPU: 0 PID: 16752 at include/net/sock.h:666 sk_del_node_init include/net/sock.h:666 [inline]
WARNING: CPU: 0 PID: 16752 at include/net/sock.h:666 smc_unhash_sk+0x1ea/0x260 net/smc/af_smc.c:96
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 16752 Comm: syz-executor.5 Not tainted 5.4.0-rc6+ #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+0x197/0x210 lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x35 kernel/panic.c:582
 report_bug+0x289/0x300 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028
RIP: 0010:sk_del_node_init include/net/sock.h:666 [inline]
RIP: 0010:smc_unhash_sk+0x1ea/0x260 net/smc/af_smc.c:96
Code: ff ff ff ff e8 f7 bf 89 fe e8 02 ae 5b fa 4c 89 ef e8 3a 85 38 00 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e6 ad 5b fa <0f> 0b eb 86 4c 89 e7 e8 2a 10 97 fa e9 5f ff ff ff e8 40 10 97 fa
RSP: 0018:ffff88806af37cf8 EFLAGS: 00010293
RAX: ffff8880a0baa600 RBX: ffff888090a97480 RCX: ffffffff8717767e
RDX: 0000000000000000 RSI: ffffffff871776fa RDI: 0000000000000005
RBP: ffff88806af37d28 R08: ffff8880a0baa600 R09: ffffed1012152ea1
R10: ffffed1012152ea0 R11: ffff888090a97503 R12: ffff888090a97500
R13: ffffffff89bad1c0 R14: ffff888090a974a8 R15: 0000000000000001
 __smc_release+0x2da/0x570 net/smc/af_smc.c:153
 smc_release+0x10c/0x380 net/smc/af_smc.c:192
 __sock_release+0xce/0x280 net/socket.c:590
 sock_close+0x1e/0x30 net/socket.c:1268
 __fput+0x2ff/0x890 fs/file_table.c:280
 ____fput+0x16/0x20 fs/file_table.c:313
 task_work_run+0x145/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_usermode_loop+0x316/0x380 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:274 [inline]
 do_syscall_64+0x65f/0x760 arch/x86/entry/common.c:300
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x414201
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007ffebc580140 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000414201
RDX: 0000001b2ef20000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000001 R08: 0000001b2ff20000 R09: 00007f71ef1fa2c8
R10: 0000000000000003 R11: 0000000000000293 R12: 000000000075bf20
R13: 000000000033bd37 R14: 0000000000760288 R15: 000000000075bf2c
Kernel Offset: disabled
Rebooting in 86400 seconds..