hsr_slave_1: left promiscuous mode bridge_slave_0: left allmulticast mode bridge_slave_0: left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state general protection fault, probably for non-canonical address 0xdffffc02000000c4: 0000 [#1] PREEMPT SMP KASAN KASAN: probably user-memory-access in range [0x0000001000000620-0x0000001000000627] CPU: 1 PID: 41 Comm: kworker/u4:2 Not tainted 6.5.0-rc3-syzkaller-00824-gb23ec2bd7b84 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Workqueue: netns cleanup_net RIP: 0010:mini_qdisc_pair_swap+0x14c/0x1f0 net/sched/sch_generic.c:1581 Code: 23 e8 98 b0 41 f9 4d 85 ed 74 29 e8 8e b0 41 f9 e8 59 99 2a f9 49 8d 7d 20 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 11 00 75 67 49 89 45 20 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e RSP: 0018:ffffc90000b27810 EFLAGS: 00010203 RAX: 0000000000045394 RBX: ffff88804455bb68 RCX: 00000002000000c4 RDX: dffffc0000000000 RSI: ffffffff8a6c7880 RDI: 0000001000000624 RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff230a9f2 R10: ffffffff91854f97 R11: ffffffff90f33058 R12: ffff88802a3f6000 R13: 0000001000000604 R14: ffff88804455baf0 R15: ffff88804455bbb8 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f76c3f77978 CR3: 000000000c776000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tcf_chain_head_change_item net/sched/cls_api.c:493 [inline] tcf_chain0_head_change_cb_del+0x19c/0x3d0 net/sched/cls_api.c:940 tcf_block_put_ext.part.0+0x30/0x2e0 net/sched/cls_api.c:1505 tcf_block_put_ext+0x2e/0x40 net/sched/cls_api.c:1503 clsact_destroy+0x2bb/0x990 net/sched/sch_ingress.c:301 __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:10916 unregister_netdevice_many net/core/dev.c:10982 [inline] default_device_exit_batch+0x584/0x740 net/core/dev.c:11441 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:mini_qdisc_pair_swap+0x14c/0x1f0 net/sched/sch_generic.c:1581 Code: 23 e8 98 b0 41 f9 4d 85 ed 74 29 e8 8e b0 41 f9 e8 59 99 2a f9 49 8d 7d 20 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 11 00 75 67 49 89 45 20 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e RSP: 0018:ffffc90000b27810 EFLAGS: 00010203 RAX: 0000000000045394 RBX: ffff88804455bb68 RCX: 00000002000000c4 RDX: dffffc0000000000 RSI: ffffffff8a6c7880 RDI: 0000001000000624 RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff230a9f2 R10: ffffffff91854f97 R11: ffffffff90f33058 R12: ffff88802a3f6000 R13: 0000001000000604 R14: ffff88804455baf0 R15: ffff88804455bbb8 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f692d4df5b0 CR3: 0000000029da6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 23 e8 and %eax,%ebp 2: 98 cwtl 3: b0 41 mov $0x41,%al 5: f9 stc 6: 4d 85 ed test %r13,%r13 9: 74 29 je 0x34 b: e8 8e b0 41 f9 call 0xf941b09e 10: e8 59 99 2a f9 call 0xf92a996e 15: 49 8d 7d 20 lea 0x20(%r13),%rdi 19: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 20: fc ff df 23: 48 89 f9 mov %rdi,%rcx 26: 48 c1 e9 03 shr $0x3,%rcx * 2a: 80 3c 11 00 cmpb $0x0,(%rcx,%rdx,1) <-- trapping instruction 2e: 75 67 jne 0x97 30: 49 89 45 20 mov %rax,0x20(%r13) 34: 48 83 c4 08 add $0x8,%rsp 38: 5b pop %rbx 39: 5d pop %rbp 3a: 41 5c pop %r12 3c: 41 5d pop %r13 3e: 41 5e pop %r14