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
kasan: CONFIG_KASAN_INLINE enabled
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 8112 Comm: kworker/0:4 Not tainted 4.19.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
Workqueue: pencrypt padata_parallel_worker
RIP: 0010:padata_reorder+0x303/0x740 kernel/padata.c:263
Code: 00 0f 85 7f 03 00 00 4c 89 21 e8 88 21 e7 ff 4c 89 f7 e8 30 23 d1 05 48 8b 45 c0 48 8d 53 48 48 8d 78 10 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 cd 02 00 00 48 8b 45 c0 8b 7d d0 48 8b 70 10
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
RSP: 0018:ffff88805670fb58 EFLAGS: 00010202
RAX: 0000000000000002 RBX: ffffe8ffffd26150 RCX: 0000000000000000
RDX: ffffe8ffffd26198 RSI: 0000000000000004 RDI: 0000000000000010
RBP: ffff88805670fbe0 R08: 1ffffd1ffffa4c2c R09: fffff91ffffa4c2d
R10: fffff91ffffa4c2c R11: ffffe8ffffd26163 R12: ffff888054a7d150
R13: dffffc0000000000 R14: ffffe8ffffd26160 R15: ffff8882196b6400
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c123000 CR3: 0000000089bd5000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 padata_do_serial+0x298/0x370 kernel/padata.c:418
IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready
 pcrypt_aead_enc+0x10a/0x190 crypto/pcrypt.c:147
 padata_parallel_worker+0x292/0x470 kernel/padata.c:88
 process_one_work+0x989/0x1750 kernel/workqueue.c:2153
 worker_thread+0x98/0xe40 kernel/workqueue.c:2296
batman_adv: batadv0: Interface activated: batadv_slave_0
 kthread+0x354/0x420 kernel/kthread.c:246
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
Modules linked in:
---[ end trace cb7404589ac1506d ]---
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
RIP: 0010:padata_reorder+0x303/0x740 kernel/padata.c:263
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
Code: 00 0f 85 7f 03 00 00 4c 89 21 e8 88 21 e7 ff 4c 89 f7 e8 30 23 d1 05 48 8b 45 c0 48 8d 53 48 48 8d 78 10 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 cd 02 00 00 48 8b 45 c0 8b 7d d0 48 8b 70 10
RSP: 0018:ffff88805670fb58 EFLAGS: 00010202
RAX: 0000000000000002 RBX: ffffe8ffffd26150 RCX: 0000000000000000
RDX: ffffe8ffffd26198 RSI: 0000000000000004 RDI: 0000000000000010
RBP: ffff88805670fbe0 R08: 1ffffd1ffffa4c2c R09: fffff91ffffa4c2d
R10: fffff91ffffa4c2c R11: ffffe8ffffd26163 R12: ffff888054a7d150
R13: dffffc0000000000 R14: ffffe8ffffd26160 R15: ffff8882196b6400
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c123000 CR3: 0000000089bd5000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400