batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: batadv0: Interface activated: batadv_slave_1 Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: prb_reserve+0x129d/0x12e0 BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 800000007bfe1067 P4D 800000007bfe1067 PUD 785a6067 PMD 0 Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI CPU: 0 UID: 0 PID: 5233 Comm: syz-executor Not tainted 6.11.0-rc4-next-20240822-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90003fa5da0 EFLAGS: 00010046 RAX: 0000000000000064 RBX: 0000000000000000 RCX: 252bc1a63c199d00 RDX: 0000000040000000 RSI: 0000000080000005 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8174567c R09: 1ffff920007f4b50 R10: dffffc0000000000 R11: fffff520007f4b51 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000555583889500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000078d44000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90003fa5da0 EFLAGS: 00010046 RAX: 0000000000000064 RBX: 0000000000000000 RCX: 252bc1a63c199d00 RDX: 0000000040000000 RSI: 0000000080000005 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8174567c R09: 1ffff920007f4b50 R10: dffffc0000000000 R11: fffff520007f4b51 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000555583889500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000078d44000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400