rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P10999/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=312689, q=53 ncpus=2)
task:syz-executor.2  state:R  running task     stack:29168 pid:10999 tgid:10993 ppid:5432   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0xedb/0x5af0 kernel/sched/core.c:6688
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6865
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45
 unwind_next_frame+0x1c80/0x2390 arch/x86/kernel/unwind_orc.c:672
 arch_stack_walk+0xfa/0x170 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
 save_stack+0x160/0x1f0 mm/page_owner.c:128
 __reset_page_owner+0x5a/0x190 mm/page_owner.c:149
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1137 [inline]
 free_unref_page_prepare+0x4fa/0xaa0 mm/page_alloc.c:2347
 free_unref_page+0x33/0x3b0 mm/page_alloc.c:2487
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x18e/0x1d0 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x65/0x90 mm/kasan/common.c:305
 kasan_slab_alloc include/linux/kasan.h:188 [inline]
 slab_post_alloc_hook mm/slab.h:763 [inline]
 slab_alloc_node mm/slub.c:3478 [inline]
 slab_alloc mm/slub.c:3486 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
 kmem_cache_alloc_lru+0x219/0x6f0 mm/slub.c:3509
 alloc_inode_sb include/linux/fs.h:2937 [inline]
 sock_alloc_inode+0x25/0x1c0 net/socket.c:308
 alloc_inode+0x5d/0x220 fs/inode.c:259
 new_inode_pseudo+0x16/0x80 fs/inode.c:1004
 sock_alloc+0x40/0x270 net/socket.c:634
 __sock_create+0xbc/0x800 net/socket.c:1533
 sock_create net/socket.c:1620 [inline]
 __sys_socket_create net/socket.c:1657 [inline]
 __sys_socket+0x14c/0x260 net/socket.c:1704
 __do_sys_socket net/socket.c:1718 [inline]
 __se_sys_socket net/socket.c:1716 [inline]
 __x64_sys_socket+0x72/0xb0 net/socket.c:1716
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f1742e7cae9
RSP: 002b:00007f1743bb80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f1742f9c050 RCX: 00007f1742e7cae9
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000010
RBP: 00007f1742ec847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f1742f9c050 R15: 00007f17430bfa48
 </TASK>
rcu: rcu_preempt kthread starved for 9787 jiffies! g312689 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:26256 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0xedb/0x5af0 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6778
 schedule_timeout+0x137/0x290 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x1ec/0xb10 kernel/rcu/tree.c:1631
 rcu_gp_kthread+0x24b/0x380 kernel/rcu/tree.c:1830
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </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 PID: 0 Comm: swapper/0 Not tainted 6.7.0-rc2-syzkaller-00014-gc2d5304e6c64 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:unwind_next_frame+0x622/0x2390 arch/x86/kernel/unwind_orc.c:512
Code: 01 00 00 00 e8 1f 89 4d 00 41 80 fe 01 0f 84 0c fe ff ff e8 e0 8d 4d 00 4d 8d 74 24 04 4c 89 e9 48 b8 00 00 00 00 00 fc ff df <4c> 89 f2 48 c1 e9 03 48 c1 ea 03 0f b6 14 02 0f b6 04 01 4c 89 f1
RSP: 0018:ffffc900000076f8 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffc90000007778 RCX: ffffffff903a2069
RDX: ffffffff8cc95900 RSI: ffffffff8139fc50 RDI: 0000000000000001
RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000002 R11: 0000000000000000 R12: ffffffff903a2064
R13: ffffffff903a2069 R14: ffffffff903a2068 R15: ffffc900000077ad
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff3b692f5b0 CR3: 000000007a65b000 CR4: 00000000003526f0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 arch_stack_walk+0xfa/0x170 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
 kasan_set_track+0x25/0x30 mm/kasan/common.c:52
 __kasan_slab_alloc+0x81/0x90 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:188 [inline]
 slab_post_alloc_hook mm/slab.h:763 [inline]
 slab_alloc_node mm/slub.c:3478 [inline]
 kmem_cache_alloc_node+0x180/0x330 mm/slub.c:3523
 kmalloc_reserve+0x166/0x260 net/core/skbuff.c:560
 __alloc_skb+0x12b/0x330 net/core/skbuff.c:651
 alloc_skb include/linux/skbuff.h:1286 [inline]
 bcm_can_tx+0x250/0x840 net/can/bcm.c:289
 bcm_tx_timeout_handler+0x1e9/0x570 net/can/bcm.c:425
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x203/0xc20 kernel/time/hrtimer.c:1752
 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1769
 __do_softirq+0x21a/0x8de kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
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+0x1b/0x20 drivers/acpi/processor_idle.c:113
Code: ed c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 65 48 8b 04 25 c0 bc 03 00 48 8b 00 a8 08 75 0c 66 90 0f 00 2d b7 a5 ba 00 fb f4 <fa> c3 0f 1f 00 0f b6 47 08 3c 01 74 0b 3c 02 74 05 8b 7f 04 eb 9f
RSP: 0018:ffffffff8cc07d68 EFLAGS: 00000246
RAX: 0000000000004000 RBX: 0000000000000001 RCX: ffffffff8a7f7797
RDX: 0000000000000001 RSI: ffff888141258800 RDI: ffff888141258864
RBP: ffff888141258864 R08: 0000000000000001 R09: ffffed1017306dbd
R10: ffff8880b9836deb R11: 0000000000000000 R12: ffff88814129c800
R13: ffffffff8db1c120 R14: 0000000000000000 R15: 0000000000000000
 acpi_idle_enter+0xc5/0x160 drivers/acpi/processor_idle.c:707
 cpuidle_enter_state+0x83/0x500 drivers/cpuidle/cpuidle.c:267
 cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:388
 cpuidle_idle_call kernel/sched/idle.c:215 [inline]
 do_idle+0x319/0x400 kernel/sched/idle.c:282
 cpu_startup_entry+0x50/0x60 kernel/sched/idle.c:380
 rest_init+0x16f/0x2b0 init/main.c:730
 arch_call_rest_init+0x13/0x30 init/main.c:827
 start_kernel+0x39f/0x480 init/main.c:1072
 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:555
 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:536
 secondary_startup_64_no_verify+0x166/0x16b
 </TASK>