------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(class_idx > MAX_LOCKDEP_KEYS)
WARNING: CPU: 1 PID: 7405 at kernel/locking/lockdep.c:3764 __lock_acquire+0x1844/0x55b0 kernel/locking/lockdep.c:3764
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 7405 Comm: syz-executor.2 Not tainted 5.1.0+ #1
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+0x113/0x167 lib/dump_stack.c:113
 panic+0x212/0x41d kernel/panic.c:214
 __warn.cold.8+0x1b/0x36 kernel/panic.c:566
 report_bug+0x1a4/0x200 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:180 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:273
 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:292
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:972
RIP: 0010:__lock_acquire+0x1844/0x55b0 kernel/locking/lockdep.c:3764
Code: d2 0f 85 68 2b 00 00 44 8b 3d 28 e9 a5 07 45 85 ff 0f 85 80 f3 ff ff 48 c7 c6 20 bd 0a 87 48 c7 c7 00 94 0a 87 e8 1f 44 ed ff <0f> 0b e9 69 f3 ff ff 0f 0b e9 fc f1 ff ff 48 c7 c2 80 2c d5 89 48
RSP: 0018:ffff88807a18f3e0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffff88807a18f5a0 R08: fffffbfff1072309 R09: fffffbfff1072308
R10: fffffbfff1072308 R11: ffffffff88391843 R12: 00000000a3d48cf0
R13: 00000000a3d48cf0 R14: ffff888095a56f5a R15: 0000000000000000
 lock_acquire+0x173/0x3d0 kernel/locking/lockdep.c:4302
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x2d/0x40 kernel/locking/spinlock.c:151
 spin_lock include/linux/spinlock.h:338 [inline]
 rhashtable_walk_enter+0xf4/0x300 lib/rhashtable.c:669
 __tipc_dump_start+0x1bb/0x2c0 net/tipc/socket.c:3414
 tipc_dump_start+0x6e/0x90 net/tipc/socket.c:3396
 __netlink_dump_start+0x485/0x810 net/netlink/af_netlink.c:2351
 netlink_dump_start include/linux/netlink.h:226 [inline]
 tipc_sock_diag_handler_dump+0x186/0x260 net/tipc/diag.c:91
 __sock_diag_cmd net/core/sock_diag.c:232 [inline]
 sock_diag_rcv_msg+0x291/0x380 net/core/sock_diag.c:263
 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2486
 sock_diag_rcv+0x25/0x40 net/core/sock_diag.c:274
 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
 netlink_unicast+0x444/0x640 net/netlink/af_netlink.c:1337
 netlink_sendmsg+0x765/0xc50 net/netlink/af_netlink.c:1926
 sock_sendmsg_nosec net/socket.c:660 [inline]
 sock_sendmsg+0xd6/0x100 net/socket.c:671
 ___sys_sendmsg+0x658/0x960 net/socket.c:2292
 __sys_sendmsg+0xd9/0x180 net/socket.c:2330
 __do_sys_sendmsg net/socket.c:2339 [inline]
 __se_sys_sendmsg net/socket.c:2337 [inline]
 __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2337
 do_syscall_64+0xd6/0x530 arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458da9
Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fd9dfe1ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458da9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd9dfe1f6d4
R13: 00000000004c6790 R14: 00000000004db3e8 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..