rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=309/1/0x4000000000000000 softirq=47077/47078 fqs=5248 
	(detected by 1, t=10502 jiffies, g=65549, q=1429)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 16542 Comm: syz.0.3247 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:check_region_inline mm/kasan/generic.c:172 [inline]
RIP: 0010:kasan_check_range+0x16/0x290 mm/kasan/generic.c:189
Code: 0f 0b b8 ea ff ff ff c3 00 00 cc cc 00 00 cc cc 00 00 cc cc b0 01 48 85 f6 0f 84 ac 01 00 00 55 41 57 41 56 41 54 53 49 89 f8 <49> 01 f0 0f 82 0e 02 00 00 49 89 f8 49 c1 e8 2f 41 81 f8 ff ff 01
RSP: 0018:ffffc90000007848 EFLAGS: 00000002
RAX: ffffffff817f6201 RBX: 0000000000000000 RCX: ffffffff817f62b0
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8d89f828
RBP: 0000000000000000 R08: ffffffff8d89f828 R09: ffffffff8f0eb018
R10: ffffffff8f0eb010 R11: ffffffff8f0eb003 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff89e00e46 R15: 0000000000000000
FS:  00007f5b91a196c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555763d9f8 CR3: 000000006397b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
 cpumask_test_cpu include/linux/cpumask.h:344 [inline]
 cpu_online include/linux/cpumask.h:895 [inline]
 trace_irq_enable_rcuidle+0x60/0x180 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 d2 df 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc90000007960 EFLAGS: 00000206
RAX: 03dd190d9918e800 RBX: 1ffff92000000f30 RCX: 03dd190d9918e800
RDX: dffffc0000000000 RSI: ffffffff8a2b3100 RDI: ffffffff8a7a0700
RBP: ffffc90000007a40 R08: ffffffff901d61c7 R09: 1ffffffff203ac38
R10: dffffc0000000000 R11: fffffbfff203ac39 R12: ffffffff8c323800
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 ipv6_get_lladdr+0x333/0x3b0 net/ipv6/addrconf.c:1896
 addrconf_rs_timer+0x273/0x630 net/ipv6/addrconf.c:3955
 call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648
 expire_timers kernel/time/timer.c:1699 [inline]
 __run_timers+0x53e/0x800 kernel/time/timer.c:1970
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983
 handle_softirqs+0x339/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:preempt_schedule_irq+0xb6/0x160 kernel/sched/core.c:6799
Code: 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 7f bf 01 00 00 00 e8 15 4f 8d f7 e8 e0 3e ba f7 fb bf 01 00 00 00 <e8> 65 b5 ff ff 43 c6 44 37 08 00 48 c7 44 24 40 00 00 00 00 9c 8f
RSP: 0018:ffffc900040974c0 EFLAGS: 00000282
RAX: 03dd190d9918e800 RBX: 0000000000000000 RCX: 03dd190d9918e800
RDX: dffffc0000000000 RSI: ffffffff8a2b3100 RDI: 0000000000000001
RBP: ffffc90004097560 R08: ffffffff901d6177 R09: 1ffffffff203ac2e
R10: dffffc0000000000 R11: fffffbfff203ac2f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000812e98
 irqentry_exit+0x63/0x70 kernel/entry/common.c:432
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:preempt_schedule_common+0xc5/0xd0 kernel/sched/core.c:6580
Code: be 08 00 00 00 e8 4b 36 f9 f7 48 89 d8 48 c1 e8 03 42 80 3c 38 00 0f 84 5a ff ff ff 48 89 df e8 a1 34 f9 f7 e9 4d ff ff ff 5b <41> 5e 41 5f c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 53 48 83
RSP: 0018:ffffc90004097628 EFLAGS: 00000246
RAX: 1ffff1100bfd83b8 RBX: 1ffff92000812ec8 RCX: ffffffff89c52025
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88805fec1dc0
RBP: ffffc900040976b8 R08: ffff88805fec1dc7 R09: 1ffff1100bfd83b8
R10: dffffc0000000000 R11: ffffed100bfd83b9 R12: ffff8880b90364b0
R13: 0000000000000001 R14: ffff88805fec32a8 R15: dffffc0000000000
 preempt_schedule+0xbc/0xd0 kernel/sched/core.c:6596
 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34
 put_obj_stock mm/memcontrol.c:2179 [inline]
 refill_obj_stock+0x3a0/0x470 mm/memcontrol.c:3256
 obj_cgroup_charge+0x1c3/0x320 mm/memcontrol.c:3301
 memcg_slab_pre_alloc_hook mm/slab.h:287 [inline]
 slab_pre_alloc_hook+0x9f/0xc0 mm/slab.h:497
 slab_alloc_node mm/slub.c:3139 [inline]
 slab_alloc mm/slub.c:3233 [inline]
 kmem_cache_alloc+0x3d/0x290 mm/slub.c:3238
 vm_area_dup kernel/fork.c:358 [inline]
 dup_mmap kernel/fork.c:557 [inline]
 dup_mm kernel/fork.c:1466 [inline]
 copy_mm+0x8cd/0x13f0 kernel/fork.c:1518
 copy_process+0x17eb/0x3e20 kernel/fork.c:2290
 kernel_clone+0x23f/0x990 kernel/fork.c:2679
 __do_sys_clone kernel/fork.c:2796 [inline]
 __se_sys_clone kernel/fork.c:2780 [inline]
 __x64_sys_clone+0x19a/0x210 kernel/fork.c:2780
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5b937bfe59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5b91a18fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f5b93a38fa0 RCX: 00007f5b937bfe59
RDX: 0000200000000580 RSI: 0000000000000000 RDI: 0000000000001000
RBP: 00007f5b93855d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f5b93a39038 R14: 00007f5b93a38fa0 R15: 00007fff3a4d51e8
 </TASK>