clocksource: Long readout interval, skipping watchdog check: cs_nsec: 47364976136 wd_nsec: 47364977274
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P6268/3:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=7065, q=562 ncpus=2)
task:syz.1.114       state:R  running task     stack:17928 pid:6268  tgid:6268  ppid:5829   task_flags:0x400640 flags:0x00004002
Call Trace:
 <TASK>
 __schedule+0x16f5/0x4d00
 preempt_schedule_common+0x83/0xd0
 preempt_schedule+0xae/0xc0
 preempt_schedule_thunk+0x16/0x30
 _raw_spin_unlock+0x3f/0x50
 filemap_map_pages+0x1118/0x1740
 __handle_mm_fault+0x368a/0x5620
 handle_mm_fault+0x40a/0x8e0
 __get_user_pages+0x1af4/0x30b0
 get_dump_page+0x1ac/0x3f0
 dump_user_range+0x1de/0xc70
 elf_core_dump+0x32ed/0x3900
 do_coredump+0x2809/0x3440
 get_signal+0x1109/0x1340
 arch_do_signal_or_restart+0x9a/0x750
 irqentry_exit_to_user_mode+0x81/0x120
 exc_page_fault+0x9f/0xf0
 asm_exc_page_fault+0x26/0x30
RIP: 0033:0xfc4e
RSP: 002b:0000200000000078 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f3efd3b6080 RCX: 00007f3efd18e9a9
RDX: 00002000000000c0 RSI: 0000200000000070 RDI: 0000000000100200
RBP: 00007f3efd210d69 R08: 0000200000000140 R09: 0000200000000140
R10: 0000200000000100 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f3efd3b6080 R15: 00007ffce7c50c28
 </TASK>
rcu: rcu_preempt kthread starved for 10490 jiffies! g7065 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:27320 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 __schedule+0x16f5/0x4d00
 schedule+0x165/0x360
 schedule_timeout+0x12b/0x270
 rcu_gp_fqs_loop+0x301/0x1540
 rcu_gp_kthread+0x99/0x390
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 6288 Comm: syz.1.114 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e #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:native_queued_spin_lock_slowpath+0xaf/0x8e0
Code: 00 00 00 c7 44 24 60 00 00 00 00 0f 1f 44 00 00 4c 8d 74 24 60 49 89 df 49 c1 ef 03 41 bd 01 00 00 00 eb 06 89 44 24 60 f3 90 <48> 89 df be 04 00 00 00 e8 94 28 b2 f6 48 b8 00 00 00 00 00 fc ff
RSP: 0018:ffffc90006be4ce0 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffff8880244869c0 RCX: ffffffff8b71260c
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880244869c0
RBP: ffffc90006be4dd8 R08: ffff8880244869c3 R09: 1ffff11004890d38
R10: dffffc0000000000 R11: ffffed1004890d39 R12: 1ffff92000d7c9a4
R13: 0000000000000001 R14: ffffc90006be4d40 R15: 1ffff11004890d38
FS:  00007f3efe08e6c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000000c0 CR3: 000000011036e000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 queued_spin_lock_slowpath+0x43/0x50
 do_raw_spin_lock+0x21f/0x290
 page_vma_mapped_walk+0xf3e/0x2090
 folio_referenced_one+0x202/0x1600
 __rmap_walk_file+0x467/0x620
 folio_referenced+0x3aa/0x5d0
 shrink_folio_list+0xefc/0x4e90
 evict_folios+0x4447/0x5500
 try_to_shrink_lruvec+0x705/0x990
 shrink_lruvec+0x488/0x2920
 shrink_node+0xa4e/0x3760
 do_try_to_free_pages+0x668/0x1960
 try_to_free_mem_cgroup_pages+0x2fa/0x7e0
 try_charge_memcg+0xa40/0x1290
 charge_memcg+0x9f/0x180
 __mem_cgroup_charge+0x25/0x80
 filemap_add_folio+0x49/0x270
 page_cache_ra_unbounded+0x3b8/0x7b0
 filemap_fault+0x59e/0x1200
 __do_fault+0x138/0x390
 __handle_mm_fault+0x37ed/0x5620
 handle_mm_fault+0x40a/0x8e0
 __get_user_pages+0x1af4/0x30b0
 get_dump_page+0x1ac/0x3f0
 dump_user_range+0x1de/0xc70
 elf_core_dump+0x32ed/0x3900
 do_coredump+0x2809/0x3440
 get_signal+0x1109/0x1340
 arch_do_signal_or_restart+0x9a/0x750
 irqentry_exit_to_user_mode+0x81/0x120
 exc_page_fault+0x9f/0xf0
 asm_exc_page_fault+0x26/0x30
RIP: 0033:0xfc4e
Code: Unable to access opcode bytes at 0xfc24.
RSP: 002b:0000200000000078 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f3efd3b6080 RCX: 00007f3efd18e9a9
RDX: 00002000000000c0 RSI: 0000200000000070 RDI: 0000000000100200
RBP: 00007f3efd210d69 R08: 0000200000000140 R09: 0000200000000140
R10: 0000200000000100 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f3efd3b6080 R15: 00007ffce7c50c28
 </TASK>
