rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1):
 P5317/1:b..l

rcu: 	(detected by 0, t=10502 jiffies, g=9441, q=1414 ncpus=2)
task:udevd           state:R
  running task     stack:25488 pid:5317  tgid:5317  ppid:4544   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7067
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5758
Code: 2b 00 74 08 4c 89 f7 e8 2a 73 89 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc90004ad7280 EFLAGS: 00000206

RAX: 0000000000000001 RBX: 1ffff9200095ae5c RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcaccc0 RDI: ffffffff8c1fe980
RBP: ffffc90004ad73c8 R08: ffffffff92fa7587 R09: 1ffffffff25f4eb0
R10: dffffc0000000000 R11: fffffbfff25f4eb1 R12: 1ffff9200095ae58
R13: dffffc0000000000 R14: ffffc90004ad72e0 R15: 0000000000000246
 rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
 rcu_read_lock include/linux/rcupdate.h:781 [inline]
 is_bpf_text_address+0x46/0x2a0 kernel/bpf/core.c:767
 kernel_text_address+0xa7/0xe0 kernel/extable.c:125
 __kernel_text_address+0xd/0x40 kernel/extable.c:79
 unwind_get_return_address+0x5d/0xc0 arch/x86/kernel/unwind_orc.c:369
 arch_stack_walk+0x125/0x1b0 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
 __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slub.c:4123 [inline]
 __kmalloc_noprof+0x1f9/0x400 mm/slub.c:4136
 kmalloc_noprof include/linux/slab.h:664 [inline]
 tomoyo_realpath_from_path+0xcf/0x5e0 security/tomoyo/realpath.c:251
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0x2b7/0x740 security/tomoyo/file.c:822
 security_inode_getattr+0xda/0x130 security/security.c:2269
 vfs_getattr+0x45/0x430 fs/stat.c:173
 vfs_statx+0x1a5/0x4e0 fs/stat.c:248
 vfs_fstatat+0x135/0x190 fs/stat.c:304
 __do_sys_newfstatat fs/stat.c:468 [inline]
 __se_sys_newfstatat fs/stat.c:462 [inline]
 __x64_sys_newfstatat+0x125/0x1b0 fs/stat.c:462
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f36b71895f4
RSP: 002b:00007ffee918eda8 EFLAGS: 00000246
 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000000000000000e RCX: 00007f36b71895f4
RDX: 00007ffee918edb8 RSI: 00007ffee918ee87 RDI: 00000000ffffff9c
RBP: 00007ffee918fec0 R08: 0000000000000000 R09: 3ce65a0b17381b55
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffee91902e8
R13: 0000000000000000 R14: 00007ffee91902e8 R15: 000056321ba3f160
 </TASK>
rcu: rcu_preempt kthread starved for 10621 jiffies! g9441 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:26448 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2202
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.10.0-rc7-syzkaller-00012-g34afb82a3c67 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline]
RIP: 0010:acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:113
Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 c0 d4 03 00 48 f7 00 08 00 00 00 75 10 eb 07 0f 00 2d 55 5a a3 00 f3 0f 1e fa fb f4 <fa> e9 f4 23 2a 00 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffffff8e007ca8 EFLAGS: 00000246

RAX: ffffffff8e094680 RBX: ffff88801c6e0864 RCX: 000000000005a061
RDX: 0000000000000001 RSI: ffff88801c6e0800 RDI: ffff88801c6e0864
RBP: 000000000003a578 R08: ffff8880b9437ccb R09: 1ffff11017286f99
R10: dffffc0000000000 R11: ffffffff8b8618c0 R12: ffff88801ab0f000
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8eacdc00
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3201dff8 CR3: 000000002ba00000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:707
 cpuidle_enter_state+0x114/0x480 drivers/cpuidle/cpuidle.c:267
 cpuidle_enter+0x5d/0xa0 drivers/cpuidle/cpuidle.c:388
 call_cpuidle kernel/sched/idle.c:155 [inline]
 cpuidle_idle_call kernel/sched/idle.c:236 [inline]
 do_idle+0x375/0x5d0 kernel/sched/idle.c:332
 cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:430
 rest_init+0x2dc/0x300 init/main.c:747
 start_kernel+0x47a/0x500 init/main.c:1103
 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:507
 x86_64_start_kernel+0x99/0xa0 arch/x86/kernel/head64.c:488
 common_startup_64+0x13e/0x147
 </TASK>
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71
usb 1-1: pegasus_irq - nonzero urb status received: -71