clocksource: Long readout interval, skipping watchdog check: cs_nsec: 59513013421 wd_nsec: 59513016269
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (9216 ticks this GP) idle=e834/1/0x4000000000000000 softirq=219120/219123 fqs=4795
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1205424          6            0
rcu: 	cputime:    30239      22260           78   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=179901 q=2020 ncpus=2)
CPU: 1 UID: 0 PID: 31063 Comm: syz.9.6808 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+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:ffffc900001e04d8 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: ffffffff9027ca3c RCX: dffffc0000000000
RDX: ffffffff9027ca04 RSI: ffffffff90dbee7a RDI: ffffffff8be34420
RBP: ffffffff9027ca04 R08: 000000000000000f R09: ffffffff8172d195
R10: ffffc900001e05f8 R11: ffffffff81ac5140 R12: ffffffff8b7b1f05
R13: ffffffff9027ca04 R14: ffffc900001e05a8 R15: ffffffff9027ca20
FS:  00007f6508c1e6c0(0000) GS:ffff8881a3c0f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000010f29e000 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
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_node_noprof+0x1bb/0x3c0
 kmalloc_reserve+0xbd/0x290
 __alloc_skb+0x142/0x2d0
 new_skb+0x2f/0x2b0
 aoecmd_cfg+0x28b/0x7c0
 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 eb be 13 f6 e8 b6 1b 4b f6 fb bf 01 00 00 00 <e8> 5b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90006577ba0 EFLAGS: 00000286
RAX: ecd60ec7c257d400 RBX: 0000000000000000 RCX: ecd60ec7c257d400
RDX: 0000000000000000 RSI: ffffffff8d9bb5e6 RDI: 0000000000000001
RBP: ffffc90006577c40 R08: ffffffff8fa3c237 R09: 1ffffffff1f47846
R10: dffffc0000000000 R11: fffffbfff1f47847 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000caef74
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__dentry_kill+0x220/0x660
Code: 49 83 3f 00 74 0f e8 6f e6 84 ff 48 89 df e8 a7 98 00 00 eb 0d e8 60 e6 84 ff 4c 89 e7 e8 68 de 42 09 65 48 ff 0d a8 7e 67 10 <4c> 8d bb 98 00 00 00 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c
RSP: 0018:ffffc90006577d08 EFLAGS: 00000206
RAX: ecd60ec7c257d400 RBX: ffff888032abb318 RCX: ecd60ec7c257d400
RDX: 0000000000000000 RSI: ffffffff8d9bb5e6 RDI: ffffffff8be34480
RBP: 0000000000000000 R08: ffffffff8fa3c237 R09: 1ffffffff1f47846
R10: dffffc0000000000 R11: fffffbfff1f47847 R12: ffff888032abb3d0
R13: dffffc0000000000 R14: 1ffff11006557663 R15: ffff888032abb380
 dput+0x19f/0x2b0
 __fput+0x68e/0xa70
 fput_close_sync+0x119/0x200
 __x64_sys_close+0x7f/0x110
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6507d8ec29
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:00007f6508c1e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007f6507fd5fa0 RCX: 00007f6507d8ec29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000009
RBP: 00007f6507e11e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6507fd6038 R14: 00007f6507fd5fa0 R15: 00007ffdebfb5618
 </TASK>
sched: DL replenish lagged too much
