------------[ cut here ]------------
WARNING: CPU: 0 PID: 15804 at net/netfilter/nf_conntrack_core.c:600 nf_ct_tmpl_free net/netfilter/nf_conntrack_core.c:580 [inline]
WARNING: CPU: 0 PID: 15804 at net/netfilter/nf_conntrack_core.c:600 destroy_conntrack+0x198/0x210 net/netfilter/nf_conntrack_core.c:603
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 15804 Comm: syz-executor.5 Not tainted 5.6.0-rc5-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+0x96/0xe0 lib/dump_stack.c:118
 panic+0x2a1/0x52a kernel/panic.c:221
 __warn.cold.10+0x25/0x2f kernel/panic.c:582
 report_bug+0x1aa/0x260 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x12d/0x1e0 arch/x86/kernel/traps.c:267
 do_invalid_op+0x31/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x2d/0x40 arch/x86/entry/entry_64.S:1027
RIP: 0010:destroy_conntrack+0x198/0x210 net/netfilter/nf_conntrack_core.c:600
Code: 6e 69 dd fc 48 89 df 5b 5d e9 44 8e ff ff 48 89 ef e8 ec 62 fd ff eb ac 48 89 df e8 22 3a 02 00 48 89 df 5b 5d e9 f8 8b e7 fa <0f> 0b e9 ac fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1
RSP: 0018:ffffc900098df090 EFLAGS: 00010286
RAX: 00000000ffffffff RBX: ffff8880b049e800 RCX: ffffffff86b7bb97
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880b049e800
RBP: ffffc900098df0c0 R08: ffffed1016093d01 R09: ffffed1016093d01
R10: ffffed1016093d00 R11: ffff8880b049e803 R12: 0000000000000000
R13: ffff8880b049e800 R14: ffff8880b049e800 R15: 0000000000000000
 nf_conntrack_destroy+0x92/0x19d net/netfilter/core.c:600
 nf_conntrack_put include/linux/netfilter/nf_conntrack_common.h:34 [inline]
 nf_ct_put include/net/netfilter/nf_conntrack.h:162 [inline]
 nft_ct_tmpl_put_pcpu+0x14e/0x260 net/netfilter/nft_ct.c:358
 __nft_ct_set_destroy net/netfilter/nft_ct.c:523 [inline]
 nft_ct_set_init+0x385/0x710 net/netfilter/nft_ct.c:617
 nf_tables_newexpr net/netfilter/nf_tables_api.c:2505 [inline]
 nft_expr_init+0x10e/0x280 net/netfilter/nf_tables_api.c:2543
 nft_set_elem_expr_alloc+0x16/0x1e0 net/netfilter/nf_tables_api.c:4831
 nf_tables_newset+0x12d3/0x2080 net/netfilter/nf_tables_api.c:4090
 nfnetlink_rcv_batch+0x876/0x15e0 net/netfilter/nfnetlink.c:433
 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:543 [inline]
 nfnetlink_rcv+0x2bc/0x340 net/netfilter/nfnetlink.c:561
 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
 netlink_unicast+0x434/0x630 net/netlink/af_netlink.c:1329
 netlink_sendmsg+0x766/0xc10 net/netlink/af_netlink.c:1918
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xac/0xf0 net/socket.c:672
 ____sys_sendmsg+0x54e/0x760 net/socket.c:2343
 ___sys_sendmsg+0xe4/0x160 net/socket.c:2397
 __sys_sendmsg+0xce/0x170 net/socket.c:2430
 do_syscall_64+0x98/0x560 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4665e9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5b30aa1188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffccc6422ef R14: 00007f5b30aa1300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..