IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready WARNING: CPU: 1 PID: 11694 at kernel/locking/lockdep.c:698 arch_local_save_flags arch/x86/include/asm/paravirt.h:784 [inline] WARNING: CPU: 1 PID: 11694 at kernel/locking/lockdep.c:698 look_up_lock_class kernel/locking/lockdep.c:689 [inline] WARNING: CPU: 1 PID: 11694 at kernel/locking/lockdep.c:698 register_lock_class+0x77b/0x11c0 kernel/locking/lockdep.c:748 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 11694 Comm: syz-executor.4 Not tainted 4.19.163-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+0x1fc/0x2fe lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x61 kernel/panic.c:541 report_bug+0x262/0x2b0 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+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:look_up_lock_class kernel/locking/lockdep.c:698 [inline] RIP: 0010:register_lock_class+0x77b/0x11c0 kernel/locking/lockdep.c:748 Code: 8b 05 99 77 ea 0b 85 c0 0f 85 17 ff ff ff 48 c7 c6 40 1b 6a 88 48 c7 c7 00 19 6a 88 e8 39 cf ec ff 0f 0b e9 fd fe ff ff 0f 0b <0f> 0b e9 b3 fa ff ff 48 8d 70 01 48 69 c0 50 01 00 00 48 89 35 3c RSP: 0018:ffff8880af3d7600 EFLAGS: 00010087 RAX: dffffc0000000000 RBX: ffff88809c315160 RCX: 0000000000000000 RDX: 1ffff11013862a2f RSI: 0000000000000000 RDI: ffff88809c315178 RBP: 0000000000000000 R08: 0000000000000000 R09: 1ffff11015e7aec8 R10: ffffffff8d239720 R11: 0000000000000000 R12: ffffffff8cdc9bb0 R13: ffffffff894bb020 R14: 1ffff11015e7aec8 R15: 0000000000000000 __lock_acquire+0x17d/0x3ff0 kernel/locking/lockdep.c:3303 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3907 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:168 spin_lock_bh include/linux/spinlock.h:334 [inline] release_sock+0x1b/0x1b0 net/core/sock.c:2879 do_ipv6_setsockopt.constprop.0+0x504/0x3ed0 net/ipv6/ipv6_sockglue.c:916 ipv6_setsockopt+0xb9/0x160 net/ipv6/ipv6_sockglue.c:940 udpv6_setsockopt+0x5d/0xa0 net/ipv6/udp.c:1501 __sys_setsockopt+0x14d/0x240 net/socket.c:1901 __do_sys_setsockopt net/socket.c:1912 [inline] __se_sys_setsockopt net/socket.c:1909 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:1909 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45e229 Code: 0d b4 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ff0bcc75c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045e229 RDX: 000000000000003b RSI: 0000000000000029 RDI: 0000000000000005 RBP: 000000000119c078 R08: 0000000000000008 R09: 0000000000000000 R10: 0000000020000380 R11: 0000000000000246 R12: 000000000119c034 R13: 00007ffc12fec39f R14: 00007ff0bcc769c0 R15: 000000000119c034 Kernel Offset: disabled Rebooting in 86400 seconds..