rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10490 ticks this GP) idle=853c/1/0x4000000000000000 softirq=53827/54463 fqs=5210
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1210943       1632            0
rcu: 	cputime:    31946      20537           42   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=43457 q=1897 ncpus=2)
CPU: 0 UID: 0 PID: 14460 Comm: syz.0.2480 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:kasan_check_range+0x97/0x2c0
Code: 00 fc ff df 4d 8d 34 19 4d 89 f4 4d 29 dc 49 83 fc 10 7f 29 4d 85 e4 0f 84 3d 01 00 00 4c 89 cb 48 f7 d3 4c 01 fb 41 80 3b 00 <0f> 85 9e 01 00 00 49 ff c3 48 ff c3 75 ee e9 1d 01 00 00 44 89 dd
RSP: 0000:ffffc90000007348 EFLAGS: 00000246
RAX: ffff88817086af01 RBX: ffffffffffffffff RCX: ffffffff8234234f
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88817086afdc
RBP: ffffc90000007428 R08: ffff88817086afdf R09: 1ffff1102e10d5fb
R10: dffffc0000000000 R11: ffffed102e10d5fb R12: 0000000000000001
R13: 0000000000000001 R14: ffffed102e10d5fc R15: 1ffff1102e10d5fb
FS:  0000555583799500(0000) GS:ffff88818e328000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f10fff8 CR3: 00000001730aa000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __set_page_owner+0x15f/0x4c0
 post_alloc_hook+0x228/0x280
 get_page_from_freelist+0x24dc/0x2580
 __alloc_frozen_pages_noprof+0x18d/0x380
 alloc_pages_mpol+0x232/0x4a0
 allocate_slab+0x86/0x3a0
 ___slab_alloc+0xd82/0x1760
 __slab_alloc+0x65/0x100
 __kmalloc_cache_noprof+0x40d/0x6e0
 dst_cow_metrics_generic+0x56/0x1c0
 icmp6_dst_alloc+0x264/0x420
 ndisc_send_skb+0x42d/0x14e0
 addrconf_rs_timer+0x395/0x6d0
 call_timer_fn+0x192/0x5a0
 __run_timer_base+0x652/0x8b0
 run_timer_softirq+0xb7/0x170
 handle_softirqs+0x22a/0x7c0
 __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:crc32c+0x39a/0x470
Code: b6 0c 2e 31 c1 4c 8d 24 8d c0 ad e6 8b 4c 89 e0 48 c1 e8 03 0f b6 04 28 84 c0 75 7a 48 8b 04 24 4c 01 e8 c1 eb 08 41 33 1c 24 <48> 83 f8 01 0f 84 80 00 00 00 e8 b7 c7 28 fd 49 83 c5 02 49 83 c7
RSP: 0000:ffffc900046575c0 EFLAGS: 00000282
RAX: ffffffffffffffdb RBX: 000000009ed3a8c7 RCX: 00000000000000dc
RDX: 0000000000000000 RSI: 000000000000007c RDI: ffff888119f78ed9
RBP: dffffc0000000000 R08: ffff8881be982b0f R09: 1ffff11037d30561
R10: dffffc0000000000 R11: ffffed1037d30562 R12: ffffffff8be6b130
R13: 0000000000000055 R14: ffff888119f78e84 R15: ffff888119f78ed8
 ext4_inode_csum+0x273/0x340
 ext4_fill_raw_inode+0x1584/0x2330
 ext4_mark_iloc_dirty+0x54c/0x1c90
 __ext4_mark_inode_dirty+0x4ae/0x6e0
 ext4_dirty_inode+0xd0/0x110
 __mark_inode_dirty+0x390/0x1320
 file_update_time_flags+0x42d/0x4d0
 ext4_page_mkwrite+0x219/0x11a0
 do_page_mkwrite+0x14d/0x310
 do_pte_missing+0x795/0x3310
 handle_mm_fault+0x1b8c/0x32a0
 do_user_addr_fault+0xa73/0x1360
 exc_page_fault+0x6a/0xc0
 asm_exc_page_fault+0x26/0x30
RIP: 0033:0x7fe184c6f4c0
Code: 83 e6 07 0f 85 19 01 00 00 be 08 00 00 00 4c 89 ff 83 c5 01 e8 11 95 fe ff 49 8b 47 40 41 83 47 30 08 48 8d 48 f8 49 89 4f 40 <48> 89 58 f8 49 83 c5 01 45 3b 6c 24 04 0f 82 fd fe ff ff 41 80 7f
RSP: 002b:00007ffd94763ea0 EFLAGS: 00010202
RAX: 0000001b2f110000 RBX: ffffffff8874cfb5 RCX: 0000001b2f10fff8
RDX: 0000001b2ed24220 RSI: 0000000000000008 RDI: 00007fe185b45720
RBP: 0000000000000534 R08: 00007fe185000000 R09: 00007fe185002000
R10: 000000008874cfb9 R11: 000000000000001a R12: 00007fe185016038
R13: 0000000000002f7b R14: ffffffff8874cfb5 R15: 00007fe185b45720
 </TASK>
sched: DL replenish lagged too much
