general protection fault, probably for non-canonical address 0xfe23fc7d5e24007d: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xf12003eaf12003e8-0xf12003eaf12003ef] CPU: 1 PID: 8983 Comm: kworker/u4:7 Not tainted 5.9.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: tc_filter_workqueue tcindex_destroy_rexts_work RIP: 0010:tcf_action_destroy+0xbc/0x1b0 net/sched/act_api.c:721 Code: 83 c4 01 bf 20 00 00 00 48 83 c3 08 44 89 e6 e8 6a ea e1 fa 41 83 fc 20 0f 84 ac 00 00 00 e8 fb ed e1 fa 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 0f 85 ac 00 00 00 48 8b 2b 48 85 ed 0f 84 89 00 00 RSP: 0018:ffffc90006517c78 EFLAGS: 00010a06 RAX: 1e24007d5e24007d RBX: f12003eaf12003ea RCX: 0000000000000000 RDX: ffff8880579e4580 RSI: ffffffff86948795 RDI: f12003eaf12003ea RBP: ffff888044800008 R08: 0000000000000000 R09: ffffffff8b173667 R10: fffffbfff162e6cc R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa714591db8 CR3: 000000005a335000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tcf_exts_destroy+0x42/0xc0 net/sched/cls_api.c:3040 __tcindex_destroy_rexts+0x16/0x210 net/sched/cls_tcindex.c:162 tcindex_destroy_rexts_work+0x17/0x20 net/sched/cls_tcindex.c:175 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x3b5/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Modules linked in: ---[ end trace d49aa4e27448d129 ]--- RIP: 0010:tcf_action_destroy+0xbc/0x1b0 net/sched/act_api.c:721 Code: 83 c4 01 bf 20 00 00 00 48 83 c3 08 44 89 e6 e8 6a ea e1 fa 41 83 fc 20 0f 84 ac 00 00 00 e8 fb ed e1 fa 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 0f 85 ac 00 00 00 48 8b 2b 48 85 ed 0f 84 89 00 00 RSP: 0018:ffffc90006517c78 EFLAGS: 00010a06 RAX: 1e24007d5e24007d RBX: f12003eaf12003ea RCX: 0000000000000000 RDX: ffff8880579e4580 RSI: ffffffff86948795 RDI: f12003eaf12003ea RBP: ffff888044800008 R08: 0000000000000000 R09: ffffffff8b173667 R10: fffffbfff162e6cc R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001590004 CR3: 0000000096412000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400