rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 ticks this GP) idle=003/1/0x4000000000000000 softirq=80563/80563 fqs=0 
	(detected by 0, t=10502 jiffies, g=119969, q=1201)
Sending NMI from CPU 0 to CPUs 1:
 entry_SYSCALL_64_after_hwframe+0x44/0xae
NMI backtrace for cpu 1
CPU: 1 PID: 3607 Comm: syz-fuzzer Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:skip_atoi+0x6c/0xe0 lib/vsprintf.c:161
Code: 8d 2c b6 48 89 df 48 83 c3 01 48 89 f8 49 89 5d 00 48 89 fa 01 ed 48 c1 e8 03 83 e2 07 42 0f b6 04 20 38 d0 7f 04 84 c0 75 4b <0f> be 43 ff 48 89 da 83 e2 07 44 8d 74 05 d0 48 89 d8 48 c1 e8 03
RSP: 0000:ffffc90001ccf400 EFLAGS: 00000006
RAX: 0000000000000005 RBX: ffffffff89acc9a9 RCX: 0000000000000100
RDX: 0000000000000000 RSI: ffffffff8400e4d1 RDI: ffffffff89acc9a8
RBP: 0000000000000000 R08: 0000000000000009 R09: ffffffff8401060a
R10: ffffffff84010a61 R11: 0000000000000036 R12: dffffc0000000000
R13: ffffc90001ccf468 R14: 0000000000000000 R15: 0000000000000036
FS:  000000c00002e490(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fca0facb1b8 CR3: 0000000021ba4000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 format_decode+0x882/0xad0 lib/vsprintf.c:2573
 vsnprintf+0x157/0x14f0 lib/vsprintf.c:2757
 sprintf+0xc0/0x100 lib/vsprintf.c:3007
 print_time kernel/printk/printk.c:1261 [inline]
 info_print_prefix+0x248/0x340 kernel/printk/printk.c:1287
 record_print_text+0x14d/0x3e0 kernel/printk/printk.c:1336
 console_unlock+0x2d8/0xb70 kernel/printk/printk.c:2692
 vprintk_emit+0x198/0x4f0 kernel/printk/printk.c:2245
 vprintk+0x80/0x90 kernel/printk/printk_safe.c:50
 _printk+0xba/0xed kernel/printk/printk.c:2266
 stack_trace_print kernel/stacktrace.c:33 [inline]
 stack_trace_print.cold+0x3b/0x5a kernel/stacktrace.c:24
 ref_tracker_dir_exit.cold+0x84/0x1e3 lib/ref_tracker.c:32
 __put_net+0x15/0x70 net/core/net_namespace.c:640
 put_net include/net/net_namespace.h:268 [inline]
 put_net_track include/net/net_namespace.h:342 [inline]
 __sk_destruct+0x6d2/0x920 net/core/sock.c:2042
 sk_destruct+0xbd/0xe0 net/core/sock.c:2058
 __sk_free+0xef/0x3d0 net/core/sock.c:2069
 sk_free+0x78/0xa0 net/core/sock.c:2080
 sock_put include/net/sock.h:1911 [inline]
 tcp_write_timer+0x247/0x2b0 net/ipv4/tcp_timer.c:649
 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
 expire_timers kernel/time/timer.c:1466 [inline]
 __run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734
 __run_timers kernel/time/timer.c:1715 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
 sysvec_apic_timer_interrupt+0x45/0xc0 arch/x86/kernel/apic/apic.c:1097
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0033:0x632be9
Code: 48 29 d0 48 c1 f8 3f 49 21 c0 41 8b 3c 38 0f cf 69 ff bd a7 35 1e c1 ef 0f 89 bb d0 00 0a 00 81 e7 ff ff 01 00 44 8b 44 bb 68 <4c> 89 43 60 4c 8b 8b 70 00 0a 00 49 81 e1 ff 7f 00 00 46 89 84 8b
RSP: 002b:000000c000c957b8 EFLAGS: 00000202
RAX: ffffffffffffffff RBX: 000000c00056c000 RCX: 000000000000e2bb
RDX: 0000000000010000 RSI: 0000000000000e9e RDI: 000000000001e8c7
RBP: 000000c000c95818 R08: 0000000000fd07e2 R09: 0000000000004001
R10: 000000c0004f6000 R11: 0000000000000000 R12: 0000000000004001
R13: 0000000000001d4b R14: 00000000000062b5 R15: ffffffffffff271c
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g119969 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
leaked reference.
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=36910
 netns_tracker_alloc include/net/net_namespace.h:319 [inline]
 tcf_exts_init include/net/pkt_cls.h:222 [inline]
 tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:315 [inline]
 tcindex_alloc_perfect_hash+0x196/0x450 net/sched/cls_tcindex.c:305
rcu: rcu_preempt kthread starved for 10502 jiffies! g119969 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
 tcindex_set_parms+0x1db4/0x23a0 net/sched/cls_tcindex.c:440
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
 tcindex_change+0x1eb/0x320 net/sched/cls_tcindex.c:553
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:I
 tc_new_tfilter+0xa77/0x2350 net/sched/cls_api.c:2122
 stack:28688 pid:   14 ppid:     2 flags:0x00004000
 rtnetlink_rcv_msg+0x80d/0xb80 net/core/rtnetlink.c:5561
Call Trace:
 <TASK>
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
 context_switch kernel/sched/core.c:4972 [inline]
 __schedule+0xa9a/0x4940 kernel/sched/core.c:6253
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 ____sys_sendmsg+0x331/0x810 net/socket.c:2409
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463
 schedule+0xd2/0x260 kernel/sched/core.c:6326
 __sys_sendmmsg+0x195/0x470 net/socket.c:2549
 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881
 __do_sys_sendmmsg net/socket.c:2578 [inline]
 __se_sys_sendmmsg net/socket.c:2575 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2575
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
leaked reference.
 netns_tracker_alloc include/net/net_namespace.h:319 [inline]
 tcf_exts_init include/net/pkt_cls.h:222 [inline]
 tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:315 [inline]
 tcindex_alloc_perfect_hash+0x196/0x450 net/sched/cls_tcindex.c:305
 tcindex_set_parms+0x1db4/0x23a0 net/sched/cls_tcindex.c:440
 rcu_gp_fqs_loop+0x186/0x810 kernel/rcu/tree.c:1955
 tcindex_change+0x1eb/0x320 net/sched/cls_tcindex.c:553
 tc_new_tfilter+0xa77/0x2350 net/sched/cls_api.c:2122
 rtnetlink_rcv_msg+0x80d/0xb80 net/core/rtnetlink.c:5561
 rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2128
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 ____sys_sendmsg+0x331/0x810 net/socket.c:2409
 kthread+0x405/0x4f0 kernel/kthread.c:327
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463
 __sys_sendmmsg+0x195/0x470 net/socket.c:2549
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 __do_sys_sendmmsg net/socket.c:2578 [inline]
 __se_sys_sendmmsg net/socket.c:2575 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2575
 </TASK>
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
 entry_SYSCALL_64_after_hwframe+0x44/0xae
NMI backtrace for cpu 1
CPU: 1 PID: 3607 Comm: syz-fuzzer Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode+0x0/0x40 kernel/kcov.c:166
Code: 48 89 df e8 12 70 47 00 e9 59 fe ff ff 48 8b 7c 24 08 e8 03 70 47 00 e9 61 fd ff ff cc cc cc cc cc cc cc cc cc cc cc cc cc cc <65> 8b 05 d9 c2 8a 7e 89 c2 81 e2 00 01 00 00 a9 00 01 ff 00 74 10
RSP: 0000:ffffc90001ccf378 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 0000000000000008 RCX: 0000000000000008
RDX: 0000000000000000 RSI: ffff888018715700 RDI: 0000000000000003
RBP: ffffc90001ccf44a R08: 0000000000000009 R09: 000000000000000a
R10: ffffffff8400e7f0 R11: 000000000000000a R12: 0000000000003038
R13: 0000000000000000 R14: ffffc90081ccf7af R15: ffffc90001ccf7b1
FS:  000000c00002e490(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fca0facb1b8 CR3: 0000000021ba4000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 write_comp_data kernel/kcov.c:221 [inline]
 __sanitizer_cov_trace_const_cmp4+0x1c/0x70 kernel/kcov.c:287
 put_dec_trunc8+0x280/0x370 lib/vsprintf.c:250
 number+0x9e4/0xae0 lib/vsprintf.c:503
 vsnprintf+0xf09/0x14f0 lib/vsprintf.c:2871
 sprintf+0xc0/0x100 lib/vsprintf.c:3007
 print_time kernel/printk/printk.c:1261 [inline]
 info_print_prefix+0x248/0x340 kernel/printk/printk.c:1287
 record_print_text+0x14d/0x3e0 kernel/printk/printk.c:1336
 console_unlock+0x2d8/0xb70 kernel/printk/printk.c:2692
 vprintk_emit+0x198/0x4f0 kernel/printk/printk.c:2245
 vprintk+0x80/0x90 kernel/printk/printk_safe.c:50
 _printk+0xba/0xed kernel/printk/printk.c:2266
 stack_trace_print kernel/stacktrace.c:33 [inline]
 stack_trace_print.cold+0x3b/0x5a kernel/stacktrace.c:24
 ref_tracker_dir_exit.cold+0x84/0x1e3 lib/ref_tracker.c:32
 __put_net+0x15/0x70 net/core/net_namespace.c:640
 put_net include/net/net_namespace.h:268 [inline]
 put_net_track include/net/net_namespace.h:342 [inline]
 __sk_destruct+0x6d2/0x920 net/core/sock.c:2042
 sk_destruct+0xbd/0xe0 net/core/sock.c:2058
 __sk_free+0xef/0x3d0 net/core/sock.c:2069
 sk_free+0x78/0xa0 net/core/sock.c:2080
 sock_put include/net/sock.h:1911 [inline]
 tcp_write_timer+0x247/0x2b0 net/ipv4/tcp_timer.c:649
 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
 expire_timers kernel/time/timer.c:1466 [inline]
 __run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734
 __run_timers kernel/time/timer.c:1715 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
 sysvec_apic_timer_interrupt+0x45/0xc0 arch/x86/kernel/apic/apic.c:1097
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0033:0x632be9
Code: 48 29 d0 48 c1 f8 3f 49 21 c0 41 8b 3c 38 0f cf 69 ff bd a7 35 1e c1 ef 0f 89 bb d0 00 0a 00 81 e7 ff ff 01 00 44 8b 44 bb 68 <4c> 89 43 60 4c 8b 8b 70 00 0a 00 49 81 e1 ff 7f 00 00 46 89 84 8b
RSP: 002b:000000c000c957b8 EFLAGS: 00000202
RAX: ffffffffffffffff RBX: 000000c00056c000 RCX: 000000000000e2bb
RDX: 0000000000010000 RSI: 0000000000000e9e RDI: 000000000001e8c7
RBP: 000000c000c95818 R08: 0000000000fd07e2 R09: 0000000000004001
R10: 000000c0004f6000 R11: 0000000000000000 R12: 0000000000004001
R13: 0000000000001d4b R14: 00000000000062b5 R15: ffffffffffff271c
 </TASK>
leaked reference.
 netns_tracker_alloc include/net/net_namespace.h:319 [inline]
 tcf_exts_init include/net/pkt_cls.h:222 [inline]
 tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:315 [inline]
 tcindex_alloc_perfect_hash+0x196/0x450 net/sched/cls_tcindex.c:305
 tcindex_set_parms+0x1db4/0x23a0 net/sched/cls_tcindex.c:440
 tcindex_change+0x1eb/0x320 net/sched/cls_tcindex.c:553
 tc_new_tfilter+0xa77/0x2350 net/sched/cls_api.c:2122
 rtnetlink_rcv_msg+0x80d/0xb80 net/core/rtnetlink.c:5561
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 ____sys_sendmsg+0x331/0x810 net/socket.c:2409
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463
 __sys_sendmmsg+0x195/0x470 net/socket.c:2549
 __do_sys_sendmmsg net/socket.c:2578 [inline]
 __se_sys_sendmmsg net/socket.c:2575 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2575
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
leaked reference.
 netns_tracker_alloc include/net/net_namespace.h:319 [inline]
 tcf_exts_init include/net/pkt_cls.h:222 [inline]
 tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:315 [inline]
 tcindex_alloc_perfect_hash+0x196/0x450 net/sched/cls_tcindex.c:305
 tcindex_set_parms+0x1db4/0x23a0 net/sched/cls_tcindex.c:440
 tcindex_change+0x1eb/0x320 net/sched/cls_tcindex.c:553
 tc_new_tfilter+0xa77/0x2350 net/sched/cls_api.c:2122
 rtnetlink_rcv_msg+0x80d/0xb80 net/core/rtnetlink.c:5561
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 ____sys_sendmsg+0x331/0x810 net/socket.c:2409
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463
 __sys_sendmmsg+0x195/0x470 net/socket.c:2549
 __do_sys_sendmmsg net/socket.c:2578 [inline]
 __se_sys_sendmmsg net/socket.c:2575 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2575
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
leaked reference.
 netns_tracker_alloc include/net/net_namespace.h:319 [inline]
 tcf_exts_init include/net/pkt_cls.h:222 [inline]
 tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:315 [inline]
 tcindex_alloc_perfect_hash+0x196/0x450 net/sched/cls_tcindex.c:305
 tcindex_set_parms+0x1db4/0x23a0 net/sched/cls_tcindex.c:440
 tcindex_change+0x1eb/0x320 net/sched/cls_tcindex.c:553
 tc_new_tfilter+0xa77/0x2350 net/sched/cls_api.c:2122
 rtnetlink_rcv_msg+0x80d/0xb80 net/core/rtnetlink.c:5561
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 ____sys_sendmsg+0x331/0x810 net/socket.c:2409
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463
 __sys_sendmmsg+0x195/0x470 net/socket.c:2549
 __do_sys_sendmmsg net/socket.c:2578 [inline]
 __se_sys_sendmmsg net/socket.c:2575 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2575
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
leaked reference.
 netns_tracker_alloc include/net/net_namespace.h:319 [inline]
 tcf_exts_init include/net/pkt_cls.h:222 [inline]
 tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:315 [inline]
 tcindex_alloc_perfect_hash+0x196/0x450 net/sched/cls_tcindex.c:305
 tcindex_set_parms+0x1db4/0x23a0 net/sched/cls_tcindex.c:440
 tcindex_change+0x1eb/0x320 net/sched/cls_tcindex.c:553
 tc_new_tfilter+0xa77/0x2350 net/sched/cls_api.c:2122
 rtnetlink_rcv_msg+0x80d/0xb80 net/core/rtnetlink.c:5561
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 ____sys_sendmsg+0x331/0x810 net/socket.c:2409
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463
 __sys_sendmmsg+0x195/0x470 net/socket.c:2549
 __do_sys_sendmmsg net/socket.c:2578 [inline]
 __se_sys_sendmmsg net/socket.c:2575 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2575
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
leaked reference.
 netns_tracker_alloc include/net/net_namespace.h:319 [inline]
 tcf_exts_init include/net/pkt_cls.h:222 [inline]
 tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:315 [inline]
 tcindex_alloc_perfect_hash+0x196/0x450 net/sched/cls_tcindex.c:305
 tcindex_set_parms+0x1db4/0x23a0 net/sched/cls_tcindex.c:440
 tcindex_change+0x1eb/0x320 net/sched/cls_tcindex.c:553
 tc_new_tfilter+0xa77/0x2350 net/sched/cls_api.c:2122
 rtnetlink_rcv_msg+0x80d/0xb80 net/core/rtnetlink.c:5561
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 ____sys_sendmsg+0x331/0x810 net/socket.c:2409
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463
 __sys_sendmmsg+0x195/0x470 net/socket.c:2549
 __do_sys_sendmmsg net/socket.c:2578 [inline]
 __se_sys_sendmmsg net/socket.c:2575 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2575
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
leaked reference.
 netns_tracker_alloc include/net/net_namespace.h:319 [inline]
 tcf_exts_init include/net/pkt_cls.h:222 [inline]
 tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:315 [inline]
 tcindex_alloc_perfect_hash+0x196/0x450 net/sched/cls_tcindex.c:305
 tcindex_set_parms+0x1db4/0x23a0 net/sched/cls_tcindex.c:440
 tcindex_change+0x1eb/0x320 net/sched/cls_tcindex.c:553
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leaked reference.
 netns_tracker_alloc include/net/net_namespace.h:319 [inline]
 tcf_exts_init include/net/pkt_cls.h:222 [inline]
 tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:315 [inline]
 tcindex_alloc_perfect_hash+0x196/0x450 net/sched/cls_tcindex.c:305
 tcindex_set_parms+0x1db4/0x23a0 net/sched/cls_tcindex.c:440
 tcindex_change+0x1eb/0x320 net/sched/cls_tcindex.c:553
 tc_new_tfilter+0xa77/0x2350 net/sched/cls_api.c:2122
 rtnetlink_rcv_msg+0x80d/0xb80 net/core/rtnetlink.c:5561
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 ____sys_sendmsg+0x331/0x810 net/socket.c:2409
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463
 __sys_sendmmsg+0x195/0x470 net/socket.c:2549
 __do_sys_sendmmsg net/socket.c:2578 [inline]
 __se_sys_sendmmsg net/socket.c:2575 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2575
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
leaked reference.
 netns_tracker_alloc include/net/net_namespace.h:319 [inline]
 tcf_exts_init include/net/pkt_cls.h:222 [inline]
 tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:315 [inline]
 tcindex_alloc_perfect_hash+0x196/0x450 net/sched/cls_tcindex.c:305
 tcindex_set_parms+0x1db4/0x23a0 net/sched/cls_tcindex.c:440
 tcindex_change+0x1eb/0x320 net/sched/cls_tcindex.c:553
 tc_new_tfilter+0xa77/0x2350 net/sched/cls_api.c:2122
 rtnetlink_rcv_msg+0x80d/0xb80 net/core/rtnetlink.c:5561
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 ____sys_sendmsg+0x331/0x810 net/socket.c:2409
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463
 __sys_sendmmsg+0x195/0x470 net/socket.c:2549
 __do_sys_sendmmsg net/socket.c:2578 [inline]
 __se_sys_sendmmsg net/socket.c:2575 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2575
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
leaked reference.
 netns_tracker_alloc include/net/net_namespace.h:319 [inline]
 tcf_exts_init include/net/pkt_cls.h:222 [inline]
 tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:315 [inline]
 tcindex_alloc_perfect_hash+0x196/0x450 net/sched/cls_tcindex.c:305
 tcindex_set_parms+0x1db4/0x23a0 net/sched/cls_tcindex.c:440
 tcindex_change+0x1eb/0x320 net/sched/cls_tcindex.c:553
 tc_new_tfilter+0xa77/0x2350 net/sched/cls_api.c:2122
 rtnetlink_rcv_msg+0x80d/0xb80 net/core/rtnetlink.c:5561
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 ____sys_sendmsg+0x331/0x810 net/socket.c:2409
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463
 __sys_sendmmsg+0x195/0x470 net/socket.c:2549
 __do_sys_sendmmsg net/socket.c:2578 [inline]
 __se_sys_sendmmsg net/socket.c:2575 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2575
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
leaked reference.
 netns_tracker_alloc include/net/net_namespace.h:319 [inline]
 tcf_exts_init include/net/pkt_cls.h:222 [inline]
 tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:315 [inline]
 tcindex_alloc_perfect_hash+0x196/0x450 net/sched/cls_tcindex.c:305
 tcindex_set_parms+0x1db4/0x23a0 net/sched/cls_tcindex.c:440
 tcindex_change+0x1eb/0x320 net/sched/cls_tcindex.c:553
 tc_new_tfilter+0xa77/0x2350 net/sched/cls_api.c:2122
 rtnetlink_rcv_msg+0x80d/0xb80 net/core/rtnetlink.c:5561
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 ____sys_sendmsg+0x331/0x810 net/socket.c:2409
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463
 __sys_sendmmsg+0x195/0x470 net/socket.c:2549
 __do_sys_sendmmsg net/socket.c:2578 [inline]
 __se_sys_sendmmsg net/socket.c:2575 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2575
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
leaked reference.
 netns_tracker_alloc include/net/net_namespace.h:319 [inline]
 tcf_exts_init include/net/pkt_cls.h:222 [inline]
 tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:315 [inline]
 tcindex_alloc_perfect_hash+0x196/0x450 net/sched/cls_tcindex.c:305
 tcindex_set_parms+0x1db4/0x23a0 net/sched/cls_tcindex.c:440
 tcindex_change+0x1eb/0x320 net/sched/cls_tcindex.c:553
 tc_new_tfilter+0xa77/0x2350 net/sched/cls_api.c:2122
 rtnetlink_rcv_msg+0x80d/0xb80 net/core/rtnetlink.c:5561
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 ____sys_sendmsg+0x331/0x810 net/socket.c:2409
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463
 __sys_sendmmsg+0x195/0x470 net/socket.c:2549
 __do_sys_sendmmsg net/socket.c:2578 [inline]
 __se_sys_sendmmsg net/socket.c:2575 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2575
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
leaked reference.
 netns_tracker_alloc include/net/net_namespace.h:319 [inline]
 tcf_exts_init include/net/pkt_cls.h:222 [inline]
 tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:315 [inline]
 tcindex_alloc_perfect_hash+0x196/0x450 net/sched/cls_tcindex.c:305
 tcindex_set_parms+0x1db4/0x23a0 net/sched/cls_tcindex.c:440
 tcindex_change+0x1eb/0x320 net/sched/cls_tcindex.c:553
 tc_new_tfilter+0xa77/0x2350 net/sched/cls_api.c:2122
 rtnetlink_rcv_msg+0x80d/0xb80 net/core/rtnetlink.c:5561
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 ____sys_sendmsg+0x331/0x810 net/socket.c:2409
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463
 __sys_sendmmsg+0x195/0x470 net/socket.c:2549
 __do_sys_sendmmsg net/socket.c:2578 [inline]
 __se_sys_sendmmsg net/socket.c:2575 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2575
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
leaked reference.
 netns_tracker_alloc include/net/net_namespace.h:319 [inline]
 tcf_exts_init include/net/pkt_cls.h:222 [inline]
 tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:315 [inline]
 tcindex_alloc_perfect_hash+0x196/0x450 net/sched/cls_tcindex.c:305
 tcindex_set_parms+0x1db4/0x23a0 net/sched/cls_tcindex.c:440
 tcindex_change+0x1eb/0x320 net/sched/cls_tcindex.c:553
 tc_new_tfilter+0xa77/0x2350 net/sched/cls_api.c:2122
 rtnetlink_rcv_msg+0x80d/0xb80 net/core/rtnetlink.c:5561
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 ____sys_sendmsg+0x331/0x810 net/socket.c:2409
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463
 __sys_sendmmsg+0x195/0x470 net/socket.c:2549
 __do_sys_sendmmsg net/socket.c:2578 [inline]
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 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2575
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
leaked reference.
 netns_tracker_alloc include/net/net_namespace.h:319 [inline]
 tcf_exts_init include/net/pkt_cls.h:222 [inline]
 tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:315 [inline]
 tcindex_alloc_perfect_hash+0x196/0x450 net/sched/cls_tcindex.c:305
 tcindex_set_parms+0x1db4/0x23a0 net/sched/cls_tcindex.c:440
 tcindex_change+0x1eb/0x320 net/sched/cls_tcindex.c:553
 tc_new_tfilter+0xa77/0x2350 net/sched/cls_api.c:2122
 rtnetlink_rcv_msg+0x80d/0xb80 net/core/rtnetlink.c:5561
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 ____sys_sendmsg+0x331/0x810 net/socket.c:2409
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463
 __sys_sendmmsg+0x195/0x470 net/socket.c:2549
 __do_sys_sendmmsg net/socket.c:2578 [inline]
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 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2575
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
leaked reference.
 netns_tracker_alloc include/net/net_namespace.h:319 [inline]
 tcf_exts_init include/net/pkt_cls.h:222 [inline]
 tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:315 [inline]
 tcindex_alloc_perfect_hash+0x196/0x450 net/sched/cls_tcindex.c:305
 tcindex_set_parms+0x1db4/0x23a0 net/sched/cls_tcindex.c:440
 tcindex_change+0x1eb/0x320 net/sched/cls_tcindex.c:553
 tc_new_tfilter+0xa77/0x2350 net/sched/cls_api.c:2122
 rtnetlink_rcv_msg+0x80d/0xb80 net/core/rtnetlink.c:5561
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 ____sys_sendmsg+0x331/0x810 net/socket.c:2409
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463
 __sys_sendmmsg+0x195/0x470 net/socket.c:2549
 __do_sys_sendmmsg net/socket.c:2578 [inline]
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 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2575
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
leaked reference.
 netns_tracker_alloc include/net/net_namespace.h:319 [inline]
 tcf_exts_init include/net/pkt_cls.h:222 [inline]
 tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:315 [inline]
 tcindex_alloc_perfect_hash+0x196/0x450 net/sched/cls_tcindex.c:305
 tcindex_set_parms+0x1db4/0x23a0 net/sched/cls_tcindex.c:440
 tcindex_change+0x1eb/0x320 net/sched/cls_tcindex.c:553
 tc_new_tfilter+0xa77/0x2350 net/sched/cls_api.c:2122
 rtnetlink_rcv_msg+0x80d/0xb80 net/core/rtnetlink.c:5561
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
----------------
Code disassembly (best guess):
   0:	8d 2c b6             	lea    (%rsi,%rsi,4),%ebp
   3:	48 89 df             	mov    %rbx,%rdi
   6:	48 83 c3 01          	add    $0x1,%rbx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	49 89 5d 00          	mov    %rbx,0x0(%r13)
  11:	48 89 fa             	mov    %rdi,%rdx
  14:	01 ed                	add    %ebp,%ebp
  16:	48 c1 e8 03          	shr    $0x3,%rax
  1a:	83 e2 07             	and    $0x7,%edx
  1d:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax
  22:	38 d0                	cmp    %dl,%al
  24:	7f 04                	jg     0x2a
  26:	84 c0                	test   %al,%al
  28:	75 4b                	jne    0x75
* 2a:	0f be 43 ff          	movsbl -0x1(%rbx),%eax <-- trapping instruction
  2e:	48 89 da             	mov    %rbx,%rdx
  31:	83 e2 07             	and    $0x7,%edx
  34:	44 8d 74 05 d0       	lea    -0x30(%rbp,%rax,1),%r14d
  39:	48 89 d8             	mov    %rbx,%rax
  3c:	48 c1 e8 03          	shr    $0x3,%rax