------------[ cut here ]------------
WARNING: CPU: 0 PID: 12226 at include/net/sock.h:666 sk_del_node_init include/net/sock.h:666 [inline]
WARNING: CPU: 0 PID: 12226 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: 12226 Comm: syz-executor.2 Not tainted 5.4.0-rc3+ #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+0x172/0x1f0 lib/dump_stack.c:113
 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 57 79 8b fe e8 b2 a7 5d fa 4c 89 ef e8 ca 7f 38 00 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 96 a7 5d fa <0f> 0b eb 86 4c 89 e7 e8 4a 04 99 fa e9 5f ff ff ff e8 60 04 99 fa
RSP: 0018:ffff888059b8f950 EFLAGS: 00010293
RAX: ffff88805832c2c0 RBX: ffff8880a91cea00 RCX: ffffffff87156cfe
RDX: 0000000000000000 RSI: ffffffff87156d7a RDI: 0000000000000005
RBP: ffff888059b8f980 R08: ffff88805832c2c0 R09: ffffed1015239d51
R10: ffffed1015239d50 R11: ffff8880a91cea83 R12: ffff8880a91cea80
R13: ffffffff89bad300 R14: ffff8880a91cea28 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
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x904/0x2e60 kernel/exit.c:817
 do_group_exit+0x135/0x360 kernel/exit.c:921
 get_signal+0x47c/0x2500 kernel/signal.c:2734
 do_signal+0x87/0x1700 arch/x86/kernel/signal.c:815
 exit_to_usermode_loop+0x286/0x380 arch/x86/entry/common.c:159
 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: 0033:0x459a59
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:0000000000a6fbf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 00000000000003e8 RCX: 0000000000459a59
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf2c
RBP: 000000000000002d R08: ffffffffffffffff R09: ffffffffffffffff
R10: 0000000000a6fcd0 R11: 0000000000000246 R12: 000000000075bf20
R13: 00000000000ec20e R14: 00000000000ec23b R15: 000000000075bf2c
Kernel Offset: disabled
Rebooting in 86400 seconds..