rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=ae64/1/0x4000000000000000 softirq=14665/14666 fqs=5249
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1002114          0            0
rcu: 	cputime:    24051      28438           89   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=6765 q=2464 ncpus=2)
CPU: 1 UID: 0 PID: 6046 Comm: syz.2.52 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e #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:__sanitizer_cov_trace_const_cmp4+0x0/0x90
Code: 7c 11 10 48 89 74 11 18 48 89 44 11 20 e9 88 36 b1 09 cc 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 14 25 08 10 a0 92 65 8b 0d e8 e2
RSP: 0018:ffffc900001e0b48 EFLAGS: 00000246
RAX: 0000000052ed936b RBX: 0000000052ed936b RCX: e72d068f2d568200
RDX: 0000000000000100 RSI: 0000000000000014 RDI: 0000000000000000
RBP: 0000000000000014 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 1ffff9200003c178
R13: ffff888029794010 R14: ffff8880297940a0 R15: ffff888029794000
FS:  00007f288e1f66c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000003000 CR3: 000000010e432000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 __get_random_u32_below+0x1f/0x90
 garp_join_timer+0xd5/0x120
 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:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 8b 2d 21 f6 e8 c6 00 58 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc900039ef040 EFLAGS: 00000286
RAX: e72d068f2d568200 RBX: 0000000000000000 RCX: e72d068f2d568200
RDX: 0000000000000006 RSI: ffffffff8d998836 RDI: 0000000000000001
RBP: ffffc900039ef0f0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200073de08
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__sanitizer_cov_trace_cmp4+0x31/0x90
Code: 24 65 48 8b 14 25 08 10 a0 92 65 8b 0d 68 e5 df 10 81 e1 00 01 ff 00 74 11 81 f9 00 01 00 00 75 5b 83 ba 3c 16 00 00 00 74 52 <8b> 8a 18 16 00 00 83 f9 03 75 47 48 8b 8a 20 16 00 00 44 8b 8a 1c
RSP: 0018:ffffc900039ef1b0 EFLAGS: 00000246
RAX: ffffffff84f5b289 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888107ce9cc0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffff8881058ce667 R09: 1ffff11020b19ccc
R10: dffffc0000000000 R11: ffffed1020b19ccd R12: 0000000000000000
R13: ffff8881058ce1c4 R14: ffff8881058ce668 R15: ffff8881058ce1c8
 csum_partial+0x149/0x2c0
 csum_and_copy_from_iter_full+0x4e7/0x1eb0
 ip_generic_getfrag+0x12f/0x2b0
 __ip6_append_data+0x3846/0x3de0
 ip6_append_data+0x1c4/0x380
 rawv6_sendmsg+0x124b/0x17f0
 __sock_sendmsg+0x19c/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f289038e9a9
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:00007f288e1f6038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f28905b5fa0 RCX: 00007f289038e9a9
RDX: 0000000000000000 RSI: 0000200000001180 RDI: 0000000000000009
RBP: 00007f2890410d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f28905b5fa0 R15: 00007fff537a5528
 </TASK>
sched: DL replenish lagged too much
