general protection fault, probably for non-canonical address 0xfc93fc76bc940076: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xe4a003b5e4a003b0-0xe4a003b5e4a003b7] CPU: 1 PID: 8448 Comm: kworker/u4:13 Not tainted 5.9.0-rc2-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+0x31/0x210 net/sched/act_api.c:721 Code: 41 54 53 50 41 89 f5 49 89 fc 49 be 00 00 00 00 00 fc ff df e8 90 97 e3 fa 31 ff 44 89 ee e8 96 9b e3 fa 4c 89 e0 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 e7 e8 b0 71 23 fb 4d 8b 3c 24 4d 85 ff RSP: 0018:ffffc9000219fc38 EFLAGS: 00010a03 RAX: 1c940076bc940076 RBX: 1ffff11002880001 RCX: ffff8880a94d8540 RDX: ffff8880a94d8540 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff8880a6bdd808 R08: ffffffff8691609a R09: fffffbfff12fab22 R10: fffffbfff12fab22 R11: 0000000000000000 R12: e4a003b5e4a003b5 R13: 0000000000000001 R14: dffffc0000000000 R15: e4a003b5e4a003b5 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000746918 CR3: 000000004d13e000 CR4: 00000000001506e0 DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: tcf_exts_destroy+0x50/0xb0 net/sched/cls_api.c:3040 __tcindex_destroy_rexts+0x24/0x1a0 net/sched/cls_tcindex.c:162 tcindex_destroy_rexts_work+0x1a/0x20 net/sched/cls_tcindex.c:175 process_one_work+0x789/0xfc0 kernel/workqueue.c:2269 worker_thread+0xaa4/0x1460 kernel/workqueue.c:2415 kthread+0x37e/0x3a0 drivers/block/aoe/aoecmd.c:1234 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Modules linked in: ---[ end trace 1bc87ad5c3b30fdc ]--- RIP: 0010:tcf_action_destroy+0x31/0x210 net/sched/act_api.c:721 Code: 41 54 53 50 41 89 f5 49 89 fc 49 be 00 00 00 00 00 fc ff df e8 90 97 e3 fa 31 ff 44 89 ee e8 96 9b e3 fa 4c 89 e0 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 e7 e8 b0 71 23 fb 4d 8b 3c 24 4d 85 ff RSP: 0018:ffffc9000219fc38 EFLAGS: 00010a03 RAX: 1c940076bc940076 RBX: 1ffff11002880001 RCX: ffff8880a94d8540 RDX: ffff8880a94d8540 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff8880a6bdd808 R08: ffffffff8691609a R09: fffffbfff12fab22 R10: fffffbfff12fab22 R11: 0000000000000000 R12: e4a003b5e4a003b5 R13: 0000000000000001 R14: dffffc0000000000 R15: e4a003b5e4a003b5 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000746918 CR3: 000000004d13e000 CR4: 00000000001506e0 DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600