bond1 (unregistering): (slave bridge5): Releasing backup interface bridge5 (unregistering): left promiscuous mode bridge5 (unregistering): left allmulticast mode bond1 (unregistering): Released all slaves general protection fault, probably for non-canonical address 0xdffffc00000000c5: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000628-0x000000000000062f] CPU: 0 PID: 31 Comm: kworker/u4:2 Not tainted 6.5.0-rc2-syzkaller-00559-gf5f80e32de12 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Workqueue: netns cleanup_net RIP: 0010:tcx_miniq_set_active include/net/tcx.h:136 [inline] RIP: 0010:ingress_destroy+0x21c/0x520 net/sched/sch_ingress.c:124 Code: 03 80 3c 02 00 0f 85 cf 02 00 00 48 8b 9d 00 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 28 06 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 06 0f 8e af 02 00 00 c6 83 28 06 00 00 00 e8 RSP: 0018:ffffc90000a7f918 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 00000000000000c5 RSI: ffffffff8851818b RDI: 0000000000000628 RBP: ffff88804a844008 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: ffff8880b9829358 R12: ffff88804b85e000 R13: ffff88804a844208 R14: ffff88804b85e448 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6727f7d866 CR3: 000000000c776000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __qdisc_destroy+0xc4/0x450 net/sched/sch_generic.c:1063 qdisc_put+0xd1/0xf0 net/sched/sch_generic.c:1090 shutdown_scheduler_queue+0xa5/0x160 net/sched/sch_generic.c:1143 dev_shutdown+0x17e/0x430 net/sched/sch_generic.c:1477 unregister_netdevice_many_notify+0x5bd/0x1a20 net/core/dev.c:10898 unregister_netdevice_many net/core/dev.c:10964 [inline] default_device_exit_batch+0x584/0x740 net/core/dev.c:11417 ops_exit_list+0x125/0x170 net/core/net_namespace.c:175 cleanup_net+0x505/0xb20 net/core/net_namespace.c:614 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2597 worker_thread+0x687/0x1110 kernel/workqueue.c:2748 kthread+0x33a/0x430 kernel/kthread.c:389 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296 RIP: 0000:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:tcx_miniq_set_active include/net/tcx.h:136 [inline] RIP: 0010:ingress_destroy+0x21c/0x520 net/sched/sch_ingress.c:124 Code: 03 80 3c 02 00 0f 85 cf 02 00 00 48 8b 9d 00 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 28 06 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 06 0f 8e af 02 00 00 c6 83 28 06 00 00 00 e8 RSP: 0018:ffffc90000a7f918 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 00000000000000c5 RSI: ffffffff8851818b RDI: 0000000000000628 RBP: ffff88804a844008 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: ffff8880b9829358 R12: ffff88804b85e000 R13: ffff88804a844208 R14: ffff88804b85e448 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6727f7d866 CR3: 0000000028482000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 03 80 3c 02 00 0f add 0xf00023c(%rax),%eax 6: 85 cf test %ecx,%edi 8: 02 00 add (%rax),%al a: 00 48 8b add %cl,-0x75(%rax) d: 9d popf e: 00 02 add %al,(%rdx) 10: 00 00 add %al,(%rax) 12: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 19: fc ff df 1c: 48 8d bb 28 06 00 00 lea 0x628(%rbx),%rdi 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 74 06 je 0x38 32: 0f 8e af 02 00 00 jle 0x2e7 38: c6 83 28 06 00 00 00 movb $0x0,0x628(%rbx) 3f: e8 .byte 0xe8