rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=9adc/1/0x4000000000000000 softirq=24723/24724 fqs=5249
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1034287          0            0
rcu: 	cputime:    25193      27296           89   ==> 52500(ms)
rcu: 	(t=10501 jiffies g=14993 q=2717 ncpus=2)
CPU: 0 UID: 0 PID: 8636 Comm: syz.2.1147 Not tainted 6.16.0-rc6-syzkaller-00434-gcd7c97f4584a-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:process_backlog+0x119a/0x14f0
Code: 48 c7 c7 30 1c a2 8f e8 24 c5 c9 f8 e9 86 f0 ff ff e8 2a 9f 66 f8 48 c7 c7 00 4b 51 8f 48 89 de e8 0b 4f 9d fb e9 09 f1 ff ff <48> c7 c1 e0 52 ab 99 80 e1 07 80 c1 03 38 c1 0f 8c 54 f1 ff ff 48
RSP: 0018:ffffc90000007a60 EFLAGS: 00000202
RAX: 0000000000000004 RBX: ffffffff89596fe5 RCX: e36c2a71d45e4300
RDX: 0000000000000000 RSI: ffffffff8db864db RDI: ffffffff8be29f80
RBP: ffffc90000007b88 R08: 0000000000000000 R09: ffffffff89596fe5
R10: dffffc0000000000 R11: fffffbfff1f43d5f R12: ffff88804b03ba50
R13: dffffc0000000000 R14: ffff88804b03baa8 R15: ffff88804b03bb00
FS:  00007f9b3a7f76c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556189b808 CR3: 000000003b4c2000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __napi_poll+0xc7/0x480
 net_rx_action+0x707/0xe30
 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:seqcount_lockdep_reader_access+0x129/0x180
Code: c4 b0 ff 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4b 41 f7 c5 00 02 00 00 74 01 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 66 43 c7 44 27 09 00 00 43 c6 44 27 0b 00
RSP: 0018:ffffc900049aea20 EFLAGS: 00000206
RAX: e36c2a71d45e4300 RBX: ffff88805fffbc58 RCX: e36c2a71d45e4300
RDX: 0000000000000000 RSI: ffffffff8d9987c6 RDI: ffffffff8be29f80
RBP: ffffc900049aeac8 R08: ffffffff8fa1eaf7 R09: 1ffffffff1f43d5e
R10: dffffc0000000000 R11: fffffbfff1f43d5f R12: dffffc0000000000
R13: 0000000000000a06 R14: ffffffff8216dd8b R15: 1ffff92000935d44
 bad_range+0x8b/0x2c0
 get_page_from_freelist+0x21c2/0x22c0
 __alloc_frozen_pages_noprof+0x181/0x370
 alloc_pages_mpol+0x232/0x4a0
 alloc_pages_noprof+0xa9/0x190
 get_free_pages_noprof+0xf/0x80
 kasan_populate_vmalloc+0x33/0x1a0
 alloc_vmap_area+0xd51/0x1490
 __get_vm_area_node+0x1f8/0x300
 __vmalloc_node_range_noprof+0x301/0x12f0
 vmalloc_noprof+0xb2/0xf0
 bpf_prog_calc_tag+0xb9/0x620
 resolve_pseudo_ldimm64+0xbc/0xc50
 bpf_check+0x1c58/0x1d2e0
 bpf_prog_load+0x1318/0x1930
 __sys_bpf+0x528/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9b3a98e9a9
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:00007f9b3a7f7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f9b3abb5fa0 RCX: 00007f9b3a98e9a9
RDX: 0000000000000094 RSI: 0000200000000400 RDI: 0000000000000005
RBP: 00007f9b3aa10d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9b3abb5fa0 R15: 00007ffe9d6d6de8
 </TASK>
sched: DL replenish lagged too much
