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ODEBUG: activate active (active state 0) object: ffff888037c51e58 object type: rcu_head hint: 0x0
WARNING: CPU: 0 PID: 16143 at lib/debugobjects.c:612 debug_print_object+0x1a2/0x2b0 lib/debugobjects.c:612
Modules linked in:
CPU: 0 UID: 0 PID: 16143 Comm: syz-executor Not tainted 6.16.0-rc2-syzkaller-00231-g75f5f23f8787 #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:debug_print_object+0x1a2/0x2b0 lib/debugobjects.c:612
Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 54 41 56 48 8b 14 dd 40 8a 15 8c 4c 89 e6 48 c7 c7 c0 7e 15 8c e8 8f 4a 99 fc 90 <0f> 0b 90 90 58 83 05 26 b4 c6 0b 01 48 83 c4 18 5b 5d 41 5c 41 5d
RSP: 0018:ffffc90000007ad8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffffff817ae248
RDX: ffff88802d2f2440 RSI: ffffffff817ae255 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8c1584e0
R13: ffffffff8baeb4a0 R14: 0000000000000000 R15: ffffc90000007b98
FS: 000055555e7ac500(0000) GS:ffff8880d6753000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fee008e56c0 CR3: 0000000048bb4000 CR4: 0000000000352ef0
DR0: 0000000000000002 DR1: 000000000000004a DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
debug_object_activate+0x2bc/0x4c0 lib/debugobjects.c:842
debug_rcu_head_queue kernel/rcu/rcu.h:236 [inline]
__call_rcu_common.constprop.0+0x2c/0x9f0 kernel/rcu/tree.c:3075
radix_tree_node_free lib/radix-tree.c:310 [inline]
delete_node+0x1fc/0x8d0 lib/radix-tree.c:573
__radix_tree_delete+0x193/0x3d0 lib/radix-tree.c:1379
radix_tree_delete_item+0xea/0x230 lib/radix-tree.c:1430
afs_cell_destroy+0x1db/0x310 fs/afs/cell.c:522
rcu_do_batch kernel/rcu/tree.c:2576 [inline]
rcu_core+0x799/0x14e0 kernel/rcu/tree.c:2832
handle_softirqs+0x216/0x8e0 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x62/0x350 kernel/locking/lockdep.c:5875
Code: 53 34 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 62 9b 0f 0f 0f 82 74 02 00 00 8b 35 4a cd 0f 0f 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 f9 52 34 12 0f 85 c7 02 00 00 48 83 c4
RSP: 0018:ffffc9000d4b71c8 EFLAGS: 00000206
RAX: 0000000000000046 RBX: ffffffff8e5c4880 RCX: 000000007f0e5375
RDX: 0000000000000000 RSI: ffffffff8ddf4df3 RDI: ffffffff8c157960
RBP: 0000000000000002 R08: 65b552a6fd109480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
rcu_read_lock include/linux/rcupdate.h:841 [inline]
percpu_ref_tryget_many include/linux/percpu-refcount.h:241 [inline]
percpu_ref_tryget include/linux/percpu-refcount.h:266 [inline]
css_tryget include/linux/cgroup_refcnt.h:45 [inline]
css_tryget include/linux/cgroup_refcnt.h:42 [inline]
get_mem_cgroup_from_objcg+0x197/0x330 include/linux/memcontrol.h:509
obj_cgroup_charge_pages+0x12/0x1f0 mm/memcontrol.c:2801
__memcg_kmem_charge_page+0xc6/0x200 mm/memcontrol.c:2847
__alloc_frozen_pages_noprof+0x325/0x23f0 mm/page_alloc.c:4976
alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2419
alloc_frozen_pages_noprof mm/mempolicy.c:2490 [inline]
alloc_pages_noprof+0x131/0x390 mm/mempolicy.c:2510
pagetable_alloc_noprof include/linux/mm.h:2862 [inline]
__pte_alloc_one_noprof include/asm-generic/pgalloc.h:75 [inline]
pte_alloc_one+0x1c/0x3a0 arch/x86/mm/pgtable.c:18
__pte_alloc+0x6d/0x3c0 mm/memory.c:441
copy_pte_range mm/memory.c:1112 [inline]
copy_pmd_range mm/memory.c:1267 [inline]
copy_pud_range mm/memory.c:1304 [inline]
copy_p4d_range mm/memory.c:1328 [inline]
copy_page_range+0x1aed/0x5740 mm/memory.c:1416
dup_mmap+0xe88/0x21d0 mm/mmap.c:1838
dup_mm kernel/fork.c:1477 [inline]
copy_mm kernel/fork.c:1529 [inline]
copy_process+0x4081/0x76a0 kernel/fork.c:2169
kernel_clone+0xfc/0x960 kernel/fork.c:2599
__do_sys_clone+0xce/0x120 kernel/fork.c:2742
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fedffb85193
Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffdd517b258 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fedffb85193
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001
R10: 000055555e7ac7d0 R11: 0000000000000246 R12: 0000000000000000
R13: 00000000000927c0 R14: 00000000000479dd R15: 00007ffdd517b3f0
----------------
Code disassembly (best guess):
0: 53 push %rbx
1: 34 12 xor $0x12,%al
3: 83 f8 07 cmp $0x7,%eax
6: 0f 87 bc 02 00 00 ja 0x2c8
c: 89 c0 mov %eax,%eax
e: 48 0f a3 05 62 9b 0f bt %rax,0xf0f9b62(%rip) # 0xf0f9b78
15: 0f
16: 0f 82 74 02 00 00 jb 0x290
1c: 8b 35 4a cd 0f 0f mov 0xf0fcd4a(%rip),%esi # 0xf0fcd6c
22: 85 f6 test %esi,%esi
24: 0f 85 8d 00 00 00 jne 0xb7
* 2a: 48 8b 44 24 30 mov 0x30(%rsp),%rax <-- trapping instruction
2f: 65 48 2b 05 f9 52 34 sub %gs:0x123452f9(%rip),%rax # 0x12345330
36: 12
37: 0f 85 c7 02 00 00 jne 0x304
3d: 48 rex.W
3e: 83 .byte 0x83
3f: c4 .byte 0xc4