Unable to handle kernel paging request at virtual address 003ec94ccab13f0d
Mem abort info:
ESR = 0x0000000096000004
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x04: level 0 translation fault
Data abort info:
ISV = 0, ISS = 0x00000004
CM = 0, WnR = 0
[003ec94ccab13f0d] address between user and kernel address ranges
Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 6.1.0-rc2-syzkaller-154433-g247f34f7b803 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
pstate: 204000c5 (nzCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __ref_is_percpu include/linux/percpu-refcount.h:174 [inline]
pc : percpu_ref_get_many+0x64/0x140 include/linux/percpu-refcount.h:204
lr : rcu_read_lock include/linux/rcupdate.h:739 [inline]
lr : percpu_ref_get_many+0x2c/0x140 include/linux/percpu-refcount.h:202
sp : ffff80000f2cbad0
x29: ffff80000f2cbad0 x28: 0000000000000005 x27: 00000000fffffff8
x26: ffff80000d2de560 x25: ffff80000d37d050 x24: 0000000000000000
x23: ffff0001fefcc560 x22: 0000000000000001 x21: ffff000119f5fc00
x20: ef3ec94ccab13f0d x19: 0000000000000001 x18: 0000000000000080
x17: 000000000000b67e x16: 0000000000000100 x15: 0000000000000100
x14: 0000000000000000 x13: 00000000c0000000 x12: 0000000000000c01
x11: ff808000095d4118 x10: 0000000000000000 x9 : ffff80000d2dd658
x8 : 0000000100000100 x7 : 0000000000000000 x6 : ffff800008579b18
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002
x2 : 0000000000000000
x1 : ffff80000ce889e3 x0 : 0000000000000001
Call trace:
rcu_read_lock include/linux/rcupdate.h:739 [inline]
percpu_ref_get_many+0x64/0x140 include/linux/percpu-refcount.h:202
percpu_ref_get include/linux/percpu-refcount.h:222 [inline]
obj_cgroup_get include/linux/memcontrol.h:779 [inline]
refill_obj_stock+0x8c/0x254 mm/memcontrol.c:3327
obj_cgroup_uncharge+0x14/0x20 mm/memcontrol.c:3394
memcg_slab_free_hook+0x118/0x188 mm/slab.h:569
slab_free mm/slub.c:3656 [inline]
kmem_cache_free+0xd8/0x3a4 mm/slub.c:3683
free_task_struct kernel/fork.c:176 [inline]
free_task kernel/fork.c:559 [inline]
__put_task_struct+0x138/0x154 kernel/fork.c:845
put_task_struct include/linux/sched/task.h:119 [inline]
delayed_put_task_struct+0x70/0xd8 kernel/exit.c:178
rcu_do_batch+0x1a4/0x584 kernel/rcu/tree.c:2248
rcu_core+0x2bc/0x5b4 kernel/rcu/tree.c:2508
rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2525
_stext+0x168/0x37c
run_ksoftirqd+0x4c/0x21c kernel/softirq.c:934
smpboot_thread_fn+0x248/0x3ec kernel/smpboot.c:164
kthread+0x12c/0x158 kernel/kthread.c:376
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
Code: 913d9042 52805c81 39285909 97f0ad5f (f9400289)
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
0: 913d9042 add x2, x2, #0xf64
4: 52805c81 mov w1, #0x2e4 // #740
8: 39285909 strb w9, [x8, #2582]
c: 97f0ad5f bl 0xffffffffffc2b588
* 10: f9400289 ldr x9, [x20] <-- trapping instruction