------------[ cut here ]------------
WARNING: CPU: 0 PID: 30683 at include/net/sock.h:666 sk_del_node_init include/net/sock.h:666 [inline]
WARNING: CPU: 0 PID: 30683 at include/net/sock.h:666 smc_unhash_sk.cold+0x11/0x18 net/smc/af_smc.c:96
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 30683 Comm: syz-executor.3 Not tainted 5.3.0-rc6 #120
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+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x2dc/0x755 kernel/panic.c:219
 __warn.cold+0x20/0x4c kernel/panic.c:576
 report_bug+0x263/0x2b0 lib/bug.c:186
 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.cold+0x11/0x18 net/smc/af_smc.c:96
Code: 89 ff e8 3f 4b a6 fa e9 d7 f8 ff ff 4c 89 ff e8 32 4b a6 fa e9 57 fa ff ff e8 b8 3b 6c fa 48 c7 c7 a0 3b 42 88 e8 f0 da 55 fa <0f> 0b e9 ad 43 ff ff e8 a0 3b 6c fa 48 c7 c7 a0 3b 42 88 e8 d8 da
RSP: 0018:ffff8880a165fcf0 EFLAGS: 00010282
RAX: 0000000000000024 RBX: ffff88805e689300 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815c2576 RDI: ffffed10142cbf90
RBP: ffff8880a165fd20 R08: 0000000000000024 R09: ffffed1015d060d1
R10: ffffed1015d060d0 R11: ffff8880ae830687 R12: ffff88805e689380
R13: ffffffff8999e200 R14: ffff88805e689328 R15: 0000000000000001
 __smc_release+0x202/0x450 net/smc/af_smc.c:146
 smc_release+0x10c/0x380 net/smc/af_smc.c:185
 __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_32_irqs_on arch/x86/entry/common.c:347 [inline]
 do_fast_syscall_32+0xb87/0xdb3 arch/x86/entry/common.c:403
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f6aa29
Code: b8 80 96 98 00 eb cc 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:000000000847fbfc EFLAGS: 00000212 ORIG_RAX: 0000000000000006
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000004 RSI: 000000000816b680 RDI: 0000000008170298
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..