R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0bc84266d4 R13: 00000000004c77fb R14: 00000000004dd098 R15: 0000000000000005 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 13036 Comm: syz-executor.0 Not tainted 4.19.72 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:tcf_action_destroy+0x71/0x160 net/sched/act_api.c:652 Code: c3 08 44 89 ee e8 7f e5 ea fb 41 83 fd 20 0f 84 c9 00 00 00 e8 f0 e3 ea fb 48 89 d8 48 b9 00 00 00 00 00 fc ff df 48 c1 e8 03 <80> 3c 08 00 0f 85 c0 00 00 00 4c 8b 33 4d 85 f6 0f 84 9d 00 00 00 RSP: 0018:ffff8880966bf2f0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000 RDX: 0000000000040000 RSI: ffffffff858072a0 RDI: 0000000000000000 RBP: ffff8880966bf320 R08: ffff88804d7d6540 R09: ffffed1015d24733 R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880966bf438 R15: 0000000000000001 FS: 00007f0bc8426700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc74270ddb8 CR3: 000000004d5e8000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tcf_exts_destroy+0x38/0xb0 net/sched/cls_api.c:2041 cls_bpf_change+0x1141/0x1a3d net/sched/cls_bpf.c:533 tc_new_tfilter+0xc54/0x1790 net/sched/cls_api.c:1320 rtnetlink_rcv_msg+0x463/0xb00 net/core/rtnetlink.c:4747 netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:4765 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline] netlink_unicast+0x537/0x720 net/netlink/af_netlink.c:1343 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 ___sys_sendmsg+0x803/0x920 net/socket.c:2115 __sys_sendmsg+0x105/0x1d0 net/socket.c:2153 __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4598e9 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f0bc8425c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f0bc8425c90 RCX: 00000000004598e9 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0bc84266d4 R13: 00000000004c77fb R14: 00000000004dd098 R15: 0000000000000005 Modules linked in: ---[ end trace 232b567b9ecb1b22 ]--- RIP: 0010:tcf_action_destroy+0x71/0x160 net/sched/act_api.c:652 Code: c3 08 44 89 ee e8 7f e5 ea fb 41 83 fd 20 0f 84 c9 00 00 00 e8 f0 e3 ea fb 48 89 d8 48 b9 00 00 00 00 00 fc ff df 48 c1 e8 03 <80> 3c 08 00 0f 85 c0 00 00 00 4c 8b 33 4d 85 f6 0f 84 9d 00 00 00 RSP: 0018:ffff8880966bf2f0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000 RDX: 0000000000040000 RSI: ffffffff858072a0 RDI: 0000000000000000 RBP: ffff8880966bf320 R08: ffff88804d7d6540 R09: ffffed1015d24733 R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880966bf438 R15: 0000000000000001 FS: 00007f0bc8426700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0687e76db8 CR3: 000000004d5e8000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400