Own node identity ac1414aa, cluster identity 4711 New replicast peer: 172.20.20.187 Enabled bearer , priority 10 ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(class_idx > MAX_LOCKDEP_KEYS) WARNING: CPU: 1 PID: 7283 at kernel/locking/lockdep.c:3315 __lock_acquire+0x13bf/0x4700 kernel/locking/lockdep.c:3315 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7283 Comm: syz-executor.3 Not tainted 5.0.0-rc8+ #89 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+0x2cb/0x65c kernel/panic.c:214 __warn.cold+0x20/0x45 kernel/panic.c:571 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:__lock_acquire+0x13bf/0x4700 kernel/locking/lockdep.c:3315 Code: 8b 1d 69 ab 05 08 45 85 db 0f 85 d6 f4 ff ff 48 c7 c6 e0 a2 6b 87 48 c7 c7 40 77 6b 87 44 89 9c 24 98 00 00 00 e8 ef 29 ec ff <0f> 0b 44 8b 9c 24 98 00 00 00 e9 af f4 ff ff 8b 3d dc 69 fe 08 85 RSP: 0018:ffff88808a907140 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 00000000339133e8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815a9066 RDI: ffffed1011520e1a RBP: ffff88808a907308 R08: ffff888086daa0c0 R09: fffffbfff1133349 R10: fffffbfff1133348 R11: ffffffff88999a43 R12: ffff888086daa980 R13: ffff888086daa98a R14: 00000000339133e8 R15: ffff888086daa0c0 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] __queue_work+0x23d/0x1180 kernel/workqueue.c:1437 __queue_delayed_work+0x1d6/0x270 kernel/workqueue.c:1542 mod_delayed_work_on+0xd8/0x200 kernel/workqueue.c:1616 mod_delayed_work include/linux/workqueue.h:542 [inline] addrconf_mod_dad_work+0x3f/0xa0 net/ipv6/addrconf.c:328 addrconf_dad_start+0x76/0xb0 net/ipv6/addrconf.c:3977 inet6_addr_add+0x4e4/0x970 net/ipv6/addrconf.c:2931 inet6_rtm_newaddr+0xb9f/0x14c0 net/ipv6/addrconf.c:4758 rtnetlink_rcv_msg+0x465/0xb00 net/core/rtnetlink.c:5130 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2477 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5148 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 __sys_sendto+0x262/0x380 net/socket.c:1786 __do_compat_sys_socketcall net/compat.c:890 [inline] __se_compat_sys_socketcall net/compat.c:838 [inline] __ia32_compat_sys_socketcall+0x536/0x720 net/compat.c:838 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x281/0xc98 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f26869 Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 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:000000000845fba0 EFLAGS: 00000202 ORIG_RAX: 0000000000000066 RAX: ffffffffffffffda RBX: 000000000000000b RCX: 000000000845fbb8 RDX: 0000000000000000 RSI: 000000000845fc5c RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..