IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready ODEBUG: free active (active state 0) object type: rcu_head hint: (null) batman_adv: batadv0: Interface activated: batadv_slave_0 ------------[ cut here ]------------ device veth1_macvtap entered promiscuous mode WARNING: CPU: 0 PID: 8029 at lib/debugobjects.c:287 debug_print_object.cold+0xa7/0xdb lib/debugobjects.c:287 IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8029 Comm: syz-executor.1 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready __warn.cold+0x20/0x44 kernel/panic.c:547 IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 report_bug+0x208/0x250 lib/bug.c:183 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! RIP: 0010:debug_print_object.cold+0xa7/0xdb lib/debugobjects.c:287 RSP: 0018:ffff8880ba407d00 EFLAGS: 00010082 RAX: 0000000000000051 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff878bc880 RDI: ffffed1017480f96 IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready RBP: ffffffff878b1a00 R08: 0000000000000051 R09: 0000000000000000 batman_adv: batadv0: Interface activated: batadv_slave_0 R10: 0000000000000000 R11: ffff88809d862600 R12: 0000000000000000 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 R13: 0000000000000000 R14: ffff888056a80140 R15: ffff888095eabc40 __debug_check_no_obj_freed lib/debugobjects.c:747 [inline] debug_check_no_obj_freed+0x3b7/0x680 lib/debugobjects.c:776 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! kfree+0xb9/0x250 mm/slab.c:3814 __tcindex_destroy+0x2e/0x70 net/sched/cls_tcindex.c:253 IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready __rcu_reclaim kernel/rcu/rcu.h:195 [inline] rcu_do_batch kernel/rcu/tree.c:2699 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2929 [inline] rcu_process_callbacks+0x780/0x1180 kernel/rcu/tree.c:2946 batman_adv: batadv0: Interface activated: batadv_slave_1 __do_softirq+0x24d/0x9ff kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x193/0x240 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:638 [inline] smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1106 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline] RIP: 0010:lock_acquire+0x1ec/0x3f0 kernel/locking/lockdep.c:4001 RSP: 0018:ffff88809ec17718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff11e1341 RBX: ffff88809d862600 RCX: 0000000000000a7c RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000286 RBP: ffff88805804a768 R08: ffffffff8b9a5ee0 R09: 00000000000603fd R10: ffff88809d862eb0 R11: ffff88809d862600 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000001 __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline] _raw_read_lock+0x2d/0x40 kernel/locking/spinlock.c:224 ext4_es_lookup_extent+0x6f/0xac0 fs/ext4/extents_status.c:793 ext4_map_blocks+0x12e/0x1730 fs/ext4/inode.c:546 ext4_getblk+0x314/0x3f0 fs/ext4/inode.c:992 ext4_bread+0x6c/0x1a0 fs/ext4/inode.c:1042 __ext4_read_dirblock+0x33/0x810 fs/ext4/namei.c:110 htree_dirblock_to_tree+0x96/0x520 fs/ext4/namei.c:1010 ext4_htree_fill_tree+0x202/0xa50 fs/ext4/namei.c:1129 ext4_dx_readdir fs/ext4/dir.c:579 [inline] ext4_readdir+0x11c1/0x2810 fs/ext4/dir.c:124 iterate_dir+0x1a0/0x5e0 fs/readdir.c:52 SYSC_getdents64 fs/readdir.c:358 [inline] SyS_getdents64+0x125/0x230 fs/readdir.c:339 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fd8cdbc8087 RSP: 002b:00007ffd8a3787b8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 0000555556800810 RCX: 00007fd8cdbc8087 RDX: 0000000000008000 RSI: 0000555556800840 RDI: 0000000000000003 RBP: 0000555556800840 R08: 0000000000000030 R09: 00007fd8cdc8a640 R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8 R13: 0000555556800814 R14: 0000000000000016 R15: 00007ffd8a3799b0 ======================================================