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: 0 PID: 24052 Comm: syz-executor.2 Not tainted 5.5.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:_tcf_ife_cleanup net/sched/act_ife.c:412 [inline] RIP: 0010:tcf_ife_cleanup+0x87/0x2c0 net/sched/act_ife.c:431 Code: ce 0f 84 ee 01 00 00 4c 89 65 c8 48 89 5d c0 48 b8 00 01 00 00 00 00 ad de 48 83 c0 22 48 89 45 b8 66 90 4c 89 f3 48 c1 eb 03 <42> 80 3c 3b 00 74 08 4c 89 f7 e8 6a 25 3f fb 4d 8b 26 4c 89 f7 e8 RSP: 0018:ffffc90002a8f148 EFLAGS: 00010246 RAX: dead000000000122 RBX: 0000000000000000 RCX: ffff888099c8fcf8 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90002a8f0e4 RBP: ffffc90002a8f190 R08: dffffc0000000000 R09: fffff52000551e1d R10: fffff52000551e1d R11: 0000000000000000 R12: ffff888099c8fc88 R13: ffff88809fa2a880 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007fb80e035700(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 0000000055a4a000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tcf_action_cleanup+0x62/0x180 net/sched/act_api.c:119 __tcf_action_put+0xc1/0xf0 net/sched/act_api.c:135 __tcf_idr_release+0x8d/0xc0 net/sched/act_api.c:165 tcf_idr_release include/net/act_api.h:171 [inline] tcf_ife_init+0x10eb/0x1600 net/sched/act_ife.c:616 tcf_action_init_1+0x767/0xc50 net/sched/act_api.c:944 tcf_action_init+0x114/0x3d0 net/sched/act_api.c:1000 tcf_action_add net/sched/act_api.c:1410 [inline] tc_ctl_action+0x2e7/0x810 net/sched/act_api.c:1465 rtnetlink_rcv_msg+0x889/0xd40 net/core/rtnetlink.c:5424 netlink_rcv_skb+0x19e/0x3e0 net/netlink/af_netlink.c:2477 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5442 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x767/0x920 net/netlink/af_netlink.c:1328 netlink_sendmsg+0xa2c/0xd50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:639 [inline] sock_sendmsg net/socket.c:659 [inline] ____sys_sendmsg+0x4f7/0x7f0 net/socket.c:2330 ___sys_sendmsg net/socket.c:2384 [inline] __sys_sendmsg+0x1ed/0x290 net/socket.c:2417 __do_sys_sendmsg net/socket.c:2426 [inline] __se_sys_sendmsg net/socket.c:2424 [inline] __x64_sys_sendmsg+0x7f/0x90 net/socket.c:2424 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45aff9 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fb80e034c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fb80e0356d4 RCX: 000000000045aff9 RDX: 0000000000000000 RSI: 0000000020007300 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000989 R14: 00000000004cac51 R15: 000000000075bf2c Modules linked in: ---[ end trace 69bd08e36373fd92 ]--- RIP: 0010:_tcf_ife_cleanup net/sched/act_ife.c:412 [inline] RIP: 0010:tcf_ife_cleanup+0x87/0x2c0 net/sched/act_ife.c:431 Code: ce 0f 84 ee 01 00 00 4c 89 65 c8 48 89 5d c0 48 b8 00 01 00 00 00 00 ad de 48 83 c0 22 48 89 45 b8 66 90 4c 89 f3 48 c1 eb 03 <42> 80 3c 3b 00 74 08 4c 89 f7 e8 6a 25 3f fb 4d 8b 26 4c 89 f7 e8 RSP: 0018:ffffc90002a8f148 EFLAGS: 00010246 RAX: dead000000000122 RBX: 0000000000000000 RCX: ffff888099c8fcf8 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90002a8f0e4 RBP: ffffc90002a8f190 R08: dffffc0000000000 R09: fffff52000551e1d R10: fffff52000551e1d R11: 0000000000000000 R12: ffff888099c8fc88 R13: ffff88809fa2a880 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007fb80e035700(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 0000000055a4a000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400