veth0_vlan: left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 UID: 0 PID: 19137 Comm: kworker/u8:61 Not tainted 6.13.0-rc3-syzkaller-00062-gc061cf420ded #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Workqueue: netns cleanup_net RIP: 0010:strcmp+0x39/0xb0 lib/string.c:276 Code: df 41 54 55 53 48 89 fb 48 83 ec 08 eb 08 40 84 ed 74 61 4c 89 e6 48 89 df 48 83 c3 01 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 <42> 0f b6 04 28 38 d0 7f 04 84 c0 75 58 0f b6 6b ff 4c 8d 66 01 48 RSP: 0018:ffffc9000c217830 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8636e68d RDX: 0000000000000000 RSI: ffffffff8bf34c20 RDI: 0000000000000000 RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000000a R11: 0000000000000004 R12: ffffffff8bf34c20 R13: dffffc0000000000 R14: ffffffff8bf34eb0 R15: ffff88806284ce98 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055caa909fd88 CR3: 000000000db7e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __team_find_option drivers/net/team/team_core.c:124 [inline] __team_options_unregister+0xf1/0x300 drivers/net/team/team_core.c:323 team_uninit+0x107/0x1c0 drivers/net/team/team_core.c:1678 unregister_netdevice_many_notify+0xf77/0x1e60 net/core/dev.c:11548 unregister_netdevice_many net/core/dev.c:11590 [inline] default_device_exit_batch+0x740/0x9c0 net/core/dev.c:12073 ops_exit_list+0x128/0x180 net/core/net_namespace.c:177 cleanup_net+0x5b7/0xbd0 net/core/net_namespace.c:648 process_one_work+0x958/0x1b30 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:strcmp+0x39/0xb0 lib/string.c:276 Code: df 41 54 55 53 48 89 fb 48 83 ec 08 eb 08 40 84 ed 74 61 4c 89 e6 48 89 df 48 83 c3 01 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 <42> 0f b6 04 28 38 d0 7f 04 84 c0 75 58 0f b6 6b ff 4c 8d 66 01 48 RSP: 0018:ffffc9000c217830 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8636e68d RDX: 0000000000000000 RSI: ffffffff8bf34c20 RDI: 0000000000000000 RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000000a R11: 0000000000000004 R12: ffffffff8bf34c20 R13: dffffc0000000000 R14: ffffffff8bf34eb0 R15: ffff88806284ce98 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055caa909c890 CR3: 0000000034764000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: df 41 54 filds 0x54(%rcx) 3: 55 push %rbp 4: 53 push %rbx 5: 48 89 fb mov %rdi,%rbx 8: 48 83 ec 08 sub $0x8,%rsp c: eb 08 jmp 0x16 e: 40 84 ed test %bpl,%bpl 11: 74 61 je 0x74 13: 4c 89 e6 mov %r12,%rsi 16: 48 89 df mov %rbx,%rdi 19: 48 83 c3 01 add $0x1,%rbx 1d: 48 89 f8 mov %rdi,%rax 20: 48 89 fa mov %rdi,%rdx 23: 48 c1 e8 03 shr $0x3,%rax 27: 83 e2 07 and $0x7,%edx * 2a: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax <-- trapping instruction 2f: 38 d0 cmp %dl,%al 31: 7f 04 jg 0x37 33: 84 c0 test %al,%al 35: 75 58 jne 0x8f 37: 0f b6 6b ff movzbl -0x1(%rbx),%ebp 3b: 4c 8d 66 01 lea 0x1(%rsi),%r12 3f: 48 rex.W