rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10496 ticks this GP) idle=6b94/1/0x4000000000000000 softirq=37322/37323 fqs=5142
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1010415          4            0
rcu: 	cputime:    31863      20626           50   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=28085 q=11486 ncpus=2)
CPU: 1 UID: 0 PID: 10550 Comm: syz.5.1273 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:in_gate_area_no_mm+0x4/0x60
Code: c6 44 89 f0 5b 41 5e 41 5f 5d e9 47 2c 7d 0a cc 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 <55> 53 48 89 fb e8 32 f1 91 00 8b 2d 7c 83 e6 0c bf 02 00 00 00 89
RSP: 0018:ffffc90000a08670 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f2a9139c799 RCX: 0000000000000101
RDX: 0000000000000004 RSI: ffffffff8e165502 RDI: 00007f2a9139c799
RBP: 0000000000000001 R08: 0000000000000022 R09: ffffffff8e75e3e0
R10: ffffc90000a08718 R11: ffffffff81b0bfa0 R12: ffff88810ad01d40
R13: 00000000000002c0 R14: dffffc0000000000 R15: 1ffff920001410e2
FS:  00007f2a922076c0(0000) GS:ffff8882a9463000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f03ad39a440 CR3: 0000000025ec6000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 kernel_text_address+0x2d/0xe0
 __kernel_text_address+0xd/0x30
 unwind_get_return_address+0x4d/0x90
 arch_stack_walk+0xfb/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_node_noprof+0x384/0x690
 __alloc_skb+0x27d/0x7d0
 new_skb+0x2f/0x2b0
 aoecmd_cfg+0x2b1/0x800
 call_timer_fn+0x192/0x640
 __run_timer_base+0x652/0x8b0
 run_timer_softirq+0xb7/0x170
 handle_softirqs+0x22a/0x870
 __irq_exit_rcu+0x5f/0x150
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:unwind_next_frame+0x138f/0x23c0
Code: 14 24 4d 89 3c 24 41 0f b6 44 2d 00 84 c0 0f 85 02 0e 00 00 c6 03 00 4c 8b 64 24 48 4c 8b 7c 24 28 48 8b 44 24 40 0f b6 04 28 <84> c0 0f 85 6c 0b 00 00 41 0f b6 04 2f 84 c0 0f 85 83 0b 00 00 0f
RSP: 0018:ffffc900031c6f38 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc900031c7040 RCX: 0000000000000000
RDX: ffffffff90b5afb8 RSI: 0000000000000000 RDI: ffffc900031c7068
RBP: dffffc0000000000 R08: ffffc900031c7067 R09: 0000000000000000
R10: ffffc900031c7058 R11: fffff52000638e0d R12: ffffc900031c7058
R13: 1ffff92000638e03 R14: ffffc900031c7008 R15: 1ffffffff216b5f7
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 call_rcu+0xee/0x890
 __schedule+0x15e5/0x52d0
 preempt_schedule_irq+0x4d/0xa0
 irqentry_exit+0x599/0x620
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:save_stack+0x122/0x230
Code: 00 00 43 0f b6 44 25 00 84 c0 0f 85 ee 00 00 00 44 89 33 4c 8d 74 24 40 4c 89 f7 be 10 00 00 00 ba 02 00 00 00 e8 be 84 76 ff <4c> 89 f7 89 c6 8b 54 24 1c e8 40 57 b0 02 41 89 c6 31 ff 89 c6 e8
RSP: 0018:ffffc900031c7740 EFLAGS: 00000246
RAX: 000000000000000d RBX: ffff88810ad02330 RCX: da5f5daf451b8200
RDX: 0000000000000000 RSI: ffffffff8e165502 RDI: ffff88810ad01d40
RBP: ffffc900031c7880 R08: ffffffff81d54476 R09: ffffffff8e75e3e0
R10: ffffc900031c7658 R11: ffffffff81b0bfa0 R12: dffffc0000000000
R13: 1ffff110215a0466 R14: ffffc900031c7780 R15: 1ffff92000638eec
 __reset_page_owner+0x71/0x1f0
 __free_frozen_pages+0xc2b/0xdb0
 __slab_free+0x263/0x2b0
 qlist_free_all+0x97/0x100
 kasan_quarantine_reduce+0x148/0x160
 __kasan_slab_alloc+0x22/0x80
 __kmalloc_cache_noprof+0x2ba/0x660
 dev_ethtool+0x132/0x1ae0
 dev_ioctl+0x392/0x1150
 sock_do_ioctl+0x23e/0x320
 sock_ioctl+0x5c6/0x7f0
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2a9139c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2a92207028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f2a91615fa0 RCX: 00007f2a9139c799
RDX: 0000200000000080 RSI: 0000000000008946 RDI: 000000000000000c
RBP: 00007f2a91432c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2a91616038 R14: 00007f2a91615fa0 R15: 00007ffe30130168
 </TASK>
sched: DL replenish lagged too much
