rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10467 ticks this GP) idle=ae2c/1/0x4000000000000000 softirq=16991/17436 fqs=5033
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1187562       1126            0
rcu: 	cputime:    34487      17982           58   ==> 52490(ms)
rcu: 	(t=10501 jiffies g=12793 q=3110 ncpus=2)
CPU: 1 UID: 0 PID: 7014 Comm: syz.2.479 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:unwind_next_frame+0x214/0x2390
Code: ef 08 8b 15 be 24 68 0c 8d 42 ff 44 39 f8 0f 86 65 18 00 00 44 89 f8 4c 8d 2c 85 f8 3a 00 91 4c 89 e8 48 c1 e8 03 0f b6 04 28 <84> c0 48 89 eb 0f 85 1c 1c 00 00 45 8b 6d 00 44 89 f8 ff c0 48 8d
RSP: 0018:ffffc900001e04b8 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 7e4b16f3d0b1bc00
RDX: 00000000000a8218 RSI: ffffffff8c03d4c0 RDI: ffffffff8c03d480
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff81742d25
R10: ffffc900001e05d8 R11: ffffffff81acd5a0 R12: ffffffff81acd54b
R13: ffffffff9102ee4c R14: ffffc900001e0588 R15: 000000000000acd5
FS:  00007fa0a74e16c0(0000) GS:ffff8881a3a03000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000940 CR3: 000000003b4ca000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 ref_tracker_alloc+0x17d/0x460
 dst_init+0xe6/0x460
 dst_alloc+0x12a/0x170
 icmp6_dst_alloc+0x75/0x420
 ndisc_send_skb+0x3f1/0x1510
 addrconf_rs_timer+0x369/0x670
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:console_flush_all+0x105/0xb10
Code: 04 20 84 c0 0f 85 09 0a 00 00 4c 89 74 24 48 48 89 5c 24 10 c6 03 00 8b 44 24 2c 34 01 88 44 24 03 48 c7 44 24 08 00 00 00 00 <48> 8d bc 24 e0 00 00 00 e8 4e c0 ff ff 48 c7 c7 40 8c 21 8e be 02
RSP: 0018:ffffc900068e6980 EFLAGS: 00000283
RAX: ffffffff81a0fef3 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc900202c1000 RSI: 0000000000001d9a RDI: 0000000000001d9b
RBP: ffffc900068e6ad0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1c3a65c R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000081a0fd01 R15: 0000000000000000
 console_unlock+0xbb/0x190
 vprintk_emit+0x4c5/0x590
 _printk+0xcf/0x120
 __nla_validate_parse+0x1719/0x2d40
 __nla_parse+0x40/0x60
 rtnl_newlink+0x1eb/0x1c80
 rtnetlink_rcv_msg+0x7cf/0xb70
 netlink_rcv_skb+0x208/0x470
 netlink_unicast+0x82f/0x9e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa0a658ec29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa0a74e1038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fa0a67d5fa0 RCX: 00007fa0a658ec29
RDX: 0000000000000000 RSI: 0000200000000600 RDI: 0000000000000004
RBP: 00007fa0a6611e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa0a67d6038 R14: 00007fa0a67d5fa0 R15: 00007fff42320e28
 </TASK>
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 7014 Comm: syz.2.479 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:asm_sysvec_apic_timer_interrupt+0x0/0x20
Code: 36 36 7e 0a e9 61 06 00 00 90 f3 0f 1e fa 0f 1f 00 fc 6a ff e8 11 05 00 00 48 89 c4 48 89 e7 e8 46 35 7e 0a e9 41 06 00 00 90 <f3> 0f 1e fa 0f 1f 00 fc 6a ff e8 f1 04 00 00 48 89 c4 48 89 e7 e8
RSP: 0018:ffffc900001e0308 EFLAGS: 00000806
RAX: 0000000000000000 RBX: ffffffff8fd15b0c RCX: dffffc0000000000
RDX: ffffffff8fd15a88 RSI: ffffffff904a8126 RDI: ffffffff8c03d480
RBP: ffffffff8fd15a88 R08: 0000000000000022 R09: ffffffff81742d25
R10: dffffc0000000000 R11: ffffffff81acd5a0 R12: ffffffff8100012f
R13: ffffffff8fd15a88 R14: ffffc900001e0408 R15: ffffffff8fd15ac8
FS:  00007fa0a74e16c0(0000) GS:ffff8881a3a03000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000940 CR3: 000000003b4ca000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
RIP: 0010:unwind_next_frame+0x130e/0x2390
Code: c1 e8 3f 48 01 c8 48 83 e0 fe 4c 8d 3c 45 00 00 00 00 49 01 ef 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 75 27 49 63 07 4c 01 f8 49 8d 4f 04 4c 39 e0 48 0f 46 e9 49
RSP: 0018:ffffc900001e0338 EFLAGS: 00000a06
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_mempool_unpoison_object+0xa0/0x170
 napi_skb_cache_get+0x37b/0x6d0
 __alloc_skb+0x11e/0x2d0
 napi_alloc_skb+0x84/0x7d0
 e1000_clean_rx_irq+0x448/0x1170
 e1000_clean+0xca4/0x2b00
 __napi_poll+0xc7/0x360
 net_rx_action+0x707/0xe30
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:put_dec+0x17/0xe0
Code: 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 41 54 53 48 89 f3 49 89 fe e8 3e 0d 46 f6 bf ff e0 f5 05 <48> 89 de e8 11 12 46 f6 48 81 fb ff e0 f5 05 0f 86 8e 00 00 00 48
RSP: 0018:ffffc900068e62b8 EFLAGS: 00000283
RAX: ffffffff8b7a48f2 RBX: 00000000000016db RCX: 0000000000080000
RDX: ffffc900202c1000 RSI: 00000000000024be RDI: 0000000005f5e0ff
RBP: ffffc900068e6400 R08: ffffc900068e6377 R09: 0000000000000000
R10: ffffc900068e6360 R11: fffff52000d1cc6f R12: 00000000000016db
R13: 00000000000016db R14: ffffc900068e6360 R15: 00ffffffffffff0a
 number+0x2f8/0xf60
 vsnprintf+0x91b/0xf00
 snprintf+0xda/0x120
 info_print_prefix+0x1e1/0x310
 record_print_text+0x154/0x420
 printk_get_next_message+0x26d/0x7b0
 console_flush_all+0x4ca/0xb10
 console_unlock+0xbb/0x190
 vprintk_emit+0x4c5/0x590
 _printk+0xcf/0x120
 __nla_validate_parse+0x1719/0x2d40
 __nla_parse+0x40/0x60
 rtnl_newlink+0x1eb/0x1c80
 rtnetlink_rcv_msg+0x7cf/0xb70
 netlink_rcv_skb+0x208/0x470
 netlink_unicast+0x82f/0x9e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa0a658ec29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa0a74e1038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fa0a67d5fa0 RCX: 00007fa0a658ec29
RDX: 0000000000000000 RSI: 0000200000000600 RDI: 0000000000000004
RBP: 00007fa0a6611e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa0a67d6038 R14: 00007fa0a67d5fa0 R15: 00007fff42320e28
 </TASK>
sched: DL replenish lagged too much
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 7014 Comm: syz.2.479 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:clockevents_program_event+0x262/0x360
Code: 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 28 01 00 00 e8 e3 d5 0e 00 eb 0b e8 dc d5 0e 00 41 be c2 ff ff ff 44 89 f0 48 83 c4 08 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 ba d5 0e 00 90 0f
RSP: 0018:ffffc900001e0798 EFLAGS: 00000096
RAX: 0000000000000000 RBX: ffff888136627ac0 RCX: ffff888031eb5700
RDX: 0000000000010100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff81ae9ebe
R10: 0000000000000003 R11: ffffffff817174c0 R12: 000000001000431b
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000020
FS:  00007fa0a74e16c0(0000) GS:ffff8881a3a03000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000940 CR3: 000000003b4ca000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 hrtimer_interrupt+0x620/0xaa0
 __sysvec_apic_timer_interrupt+0x10b/0x410
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 3b 1a 47 f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 23 b5 0f f6 65 8b 05 dc e8 40 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc900001e09e0 EFLAGS: 00000206
RAX: 7e4b16f3d0b1bc00 RBX: 0000000000000a06 RCX: 7e4b16f3d0b1bc00
RDX: 0000000000000002 RSI: ffffffff8db9e917 RDI: 0000000000000001
RBP: ffffc900001e0a70 R08: ffffffff8fc34377 R09: 1ffffffff1f8686e
R10: dffffc0000000000 R11: fffffbfff1f8686f R12: dffffc0000000000
R13: ffff88801f0b4188 R14: ffffffff99efff38 R15: 1ffff9200003c13c
 debug_object_assert_init+0x20e/0x380
 __mod_timer+0x4a/0xf30
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__sanitizer_cov_trace_pc+0x43/0x70
Code: e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 7c 16 00 00 00 74 2c 8b 91 58 16 00 00 83 fa 02 75 21 48 8b 91 60 16 00 00 <48> 8b 32 48 8d 7e 01 8b 89 5c 16 00 00 48 39 cf 73 08 48 89 3a 48
RSP: 0018:ffffc900068e62d8 EFLAGS: 00000246
RAX: ffffffff8b7a6ca1 RBX: 0000000000000000 RCX: ffff888031eb5700
RDX: ffffc900202c1000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc900068e6400 R08: ffffc900068e6377 R09: 0000000000000000
R10: ffffc900068e6360 R11: fffff52000d1cc6f R12: ffffc900068e66e1
R13: 0000000000000003 R14: ffffc900068e66e1 R15: 0000000000000001
 number+0x501/0xf60
 vsnprintf+0x91b/0xf00
 sprintf+0xd9/0x120
 info_print_prefix+0x155/0x310
 record_print_text+0x154/0x420
 printk_get_next_message+0x26d/0x7b0
 console_flush_all+0x4ca/0xb10
 console_unlock+0xbb/0x190
 vprintk_emit+0x4c5/0x590
 _printk+0xcf/0x120
 __nla_validate_parse+0x1719/0x2d40
 __nla_parse+0x40/0x60
 rtnl_newlink+0x1eb/0x1c80
 rtnetlink_rcv_msg+0x7cf/0xb70
 netlink_rcv_skb+0x208/0x470
 netlink_unicast+0x82f/0x9e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa0a658ec29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa0a74e1038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fa0a67d5fa0 RCX: 00007fa0a658ec29
RDX: 0000000000000000 RSI: 0000200000000600 RDI: 0000000000000004
RBP: 00007fa0a6611e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa0a67d6038 R14: 00007fa0a67d5fa0 R15: 00007fff42320e28
 </TASK>
