rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (5825 ticks this GP) idle=5b84/1/0x4000000000000000 softirq=32846/33292 fqs=4877
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1110202       1010            0
rcu: 	cputime:    25187      27295           89   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=26485 q=1932 ncpus=2)
CPU: 1 UID: 0 PID: 9878 Comm: syz.1.1376 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e-dirty #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:tmigr_handle_remote+0x133b/0x13d0
Code: 00 66 43 c7 44 2e 0a 00 00 43 c7 44 2e 13 00 00 00 00 43 c6 44 2e 17 00 65 48 8b 05 6f 2f ed 10 48 3b 84 24 a0 01 00 00 75 2d <48> 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d2 92 be 09 cc e8 1c
RSP: 0018:ffffc900001e0c40 EFLAGS: 00000246
RAX: 42be62bca4ac0500 RBX: 7fffffffffffffff RCX: 0000000000000100
RDX: 0000000000000003 RSI: ffffffff8d99883e RDI: 00000000ffffffff
RBP: ffffc900001e0e30 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: dffffc0000000000 R14: 1ffff9200003c1a4 R15: ffff888136628518
FS:  00007f00e3df66c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000002280 CR3: 000000010a896000 CR4: 00000000000006f0
DR0: 0000200000000380 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_irq_work+0xa3/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+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 1d 21 f6 e8 c6 f0 57 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:ffffc90006aa7260 EFLAGS: 00000286
RAX: 42be62bca4ac0500 RBX: 0000000000000000 RCX: 42be62bca4ac0500
RDX: 0000000000000007 RSI: ffffffff8d99883e RDI: 0000000000000001
RBP: ffffc90006aa7310 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000d54e4c
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:qlist_free_all+0x46/0x140
Code: 45 31 ed 49 89 ef 4d 89 f4 4d 85 f6 75 40 4c 8b 25 07 05 98 0b 4c 89 ff e8 b7 0e 51 ff 48 c1 e8 06 48 83 e0 c0 49 8b 4c 04 08 <f6> c1 01 75 53 49 01 c4 0f 1f 44 00 00 41 0f b6 44 24 33 c1 e0 18
RSP: 0018:ffffc90006aa73d8 EFLAGS: 00000202
RAX: 00000000007d1440 RBX: ffffc90006aa7410 RCX: ffff88801a44b8c0
RDX: ffffc90003ba2000 RSI: 0000000000002431 RDI: 0000000000002432
RBP: ffff88801f451118 R08: 0000000000000047 R09: ffff888039e8d0a8
R10: 0000000000000000 R11: fffffbfff1f43d1f R12: ffffea0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801f451118
 kasan_quarantine_reduce+0x148/0x160
 __kasan_slab_alloc+0x22/0x80
 __kmalloc_node_noprof+0x21b/0x4e0
 qdisc_alloc+0x97/0xaa0
 qdisc_create_dflt+0x8e/0x4e0
 mq_init+0x2dc/0x660
 qdisc_create_dflt+0x13b/0x4e0
 dev_activate+0x1ce/0x1150
 __dev_open+0x69c/0x880
 __dev_change_flags+0x1ea/0x6d0
 netif_change_flags+0x88/0x1a0
 dev_change_flags+0x130/0x260
 devinet_ioctl+0xbb4/0x1b50
 inet_ioctl+0x3c0/0x4c0
 sock_do_ioctl+0xdc/0x300
 sock_ioctl+0x576/0x790
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f00e5f8e9a9
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:00007f00e3df6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f00e61b5fa0 RCX: 00007f00e5f8e9a9
RDX: 0000200000002280 RSI: 0000000000008914 RDI: 000000000000000b
RBP: 00007f00e6010d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f00e61b5fa0 R15: 00007fff08e8aaf8
 </TASK>
sched: DL replenish lagged too much
