rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P1042/1:b..l P16029/1:b..l
(detected by 0, t=10502 jiffies, g=79341, q=79 ncpus=2)
task:dhcpcd-run-hook state:R running task stack:23880 pid:16029 ppid:3917 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6558
preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6870
irqentry_exit+0x53/0x80 kernel/entry/common.c:439
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__sanitizer_cov_trace_switch+0xb/0xe0 kernel/kcov.c:332
Code: c7 44 11 08 07 00 00 00 48 89 7c 11 10 48 89 74 11 18 4c 89 44 11 20 c3 0f 1f 80 00 00 00 00 41 57 41 56 41 54 53 48 8b 46 08 <48> 83 c0 f8 48 c1 c0 3d 48 83 f8 07 0f 87 ac 00 00 00 b9 8b 00 00
RSP: 0018:ffffc90003347778 EFLAGS: 00000206
RAX: 0000000000000020 RBX: 0000000000000003 RCX: ffff888064998000
RDX: ffff888064998000 RSI: ffffffff8e898e70 RDI: 0000000000000003
RBP: ffffc900033479a8 R08: ffffffff8aa95aeb R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffffffffffffffff
R13: ffffc90003347980 R14: dffffc0000000000 R15: ffff888024750400
ma_pivots lib/maple_tree.c:630 [inline]
mas_next_node+0x163/0x950 lib/maple_tree.c:4672
mas_dfs_postorder lib/maple_tree.c:6768 [inline]
mt_validate+0x42aa/0x5ad0 lib/maple_tree.c:7252
validate_mm_mt+0x165/0x670 mm/mmap.c:294
validate_mm+0x16e/0x380 mm/mmap.c:331
do_mmap+0xc7/0xf60 mm/mmap.c:1261
vm_mmap_pgoff+0x1ca/0x2d0 mm/util.c:520
ksys_mmap_pgoff+0x4f5/0x6d0 mm/mmap.c:1470
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fdb07a06b74
RSP: 002b:00007ffeefd2ba58 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ffeefd2bb08 RCX: 00007fdb07a06b74
RDX: 0000000000000003 RSI: 0000000000006000 RDI: 00007fdb07913000
RBP: 00007ffeefd2c1f0 R08: 0000000000000003 R09: 000000000019d000
R10: 0000000000000812 R11: 0000000000000246 R12: 00007fdb079e95c0
R13: 00007ffeefd2c278 R14: 000000000019d264 R15: 0000000000000000
task:kworker/1:1H state:R running task stack:24536 pid:1042 ppid:2 flags:0x00004000
Workqueue: kblockd blk_mq_timeout_work
Call Trace:
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6558
preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6870
irqentry_exit+0x53/0x80 kernel/entry/common.c:439
asm_sysvec_reschedule_ipi+0x16/0x20 arch/x86/include/asm/idtentry.h:696
RIP: 0010:xas_find+0x157/0xaa0 lib/xarray.c:1284
Code: f7 48 c7 03 01 00 00 00 43 80 3c 37 00 74 08 4c 89 ef e8 3c c2 34 f7 49 c7 45 00 01 00 00 00 45 31 ff 4c 89 f8 48 83 c4 40 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 4c 89 6c 24 30 48 8b 5c 24 18 48 89
RSP: 0018:ffffc90004fcf790 EFLAGS: 00000286
RAX: 0000000000000000 RBX: ffffc90004fcf858 RCX: ffff8880269c0000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff8aad29e2 R09: ffffffff8aad277c
R10: 0000000000000002 R11: ffff8880269c0000 R12: 0000000000000001
R13: ffffc90004fcf858 R14: dffffc0000000000 R15: 0000000000000000
xa_find_after+0x2e7/0x700 lib/xarray.c:2090
blk_mq_queue_tag_busy_iter+0x5d6/0xa40 block/blk-mq-tag.c:522
blk_mq_timeout_work+0x138/0x400 block/blk-mq.c:1663
process_one_work+0x917/0x1260 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
rcu: rcu_preempt kthread starved for 9519 jiffies! g79341 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:25592 pid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1965
rcu_gp_fqs_loop+0x2d2/0x1150 kernel/rcu/tree.c:1706
rcu_gp_kthread+0xa3/0x3b0 kernel/rcu/tree.c:1905
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.1.128-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:22 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline]
RIP: 0010:acpi_idle_do_entry+0x10f/0x340 drivers/acpi/processor_idle.c:567
Code: 91 cf f6 48 83 e3 08 0f 85 0b 01 00 00 4c 8d 74 24 20 e8 44 4e d6 f6 0f 1f 44 00 00 e8 7a 8d cf f6 0f 00 2d 63 b0 ae 00 fb f4 <4c> 89 f3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 6b e4 26 f7
RSP: 0018:ffffffff8d007b20 EFLAGS: 000002d3
RAX: ffffffff8abb0576 RBX: 0000000000000000 RCX: ffffffff8d0bd980
RDX: 0000000000000000 RSI: ffffffff8b0c1d20 RDI: ffffffff8b5f6d00
RBP: ffffffff8d007bb0 R08: ffffffff8abb0558 R09: fffffbfff1a17b31
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1a00f64
R13: ffff88801db90804 R14: ffffffff8d007b40 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd2054f3a61 CR3: 0000000030c8d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
acpi_idle_enter+0x352/0x4f0 drivers/acpi/processor_idle.c:704
cpuidle_enter_state+0x516/0xf80 drivers/cpuidle/cpuidle.c:239
cpuidle_enter+0x59/0x90 drivers/cpuidle/cpuidle.c:356
call_cpuidle kernel/sched/idle.c:155 [inline]
cpuidle_idle_call kernel/sched/idle.c:236 [inline]
do_idle+0x3ce/0x680 kernel/sched/idle.c:303
cpu_startup_entry+0x3d/0x60 kernel/sched/idle.c:401
rest_init+0x2da/0x300 init/main.c:733
arch_call_rest_init+0xa/0xa init/main.c:893
start_kernel+0x496/0x53f init/main.c:1140
secondary_startup_64_no_verify+0xcf/0xdb