Unable to handle kernel paging request at virtual address f2c1800000000000
KASAN: maybe wild-memory-access in range [0x9610000000000000-0x9610000000000007]
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, ISS2 = 0x00000000
CM = 0, WnR = 0, TnD = 0, TagAccess = 0
GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[f2c1800000000000] address between user and kernel address ranges
Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 UID: 0 PID: 8456 Comm: syz.4.287 Not tainted 6.12.0-syzkaller-g7b1d1d4cfac0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : memcg_rstat_updated+0xe4/0x288 mm/memcontrol.c:575
lr : memcg_rstat_updated+0x7c/0x288 mm/memcontrol.c:573
sp : ffff80009c567900
x29: ffff80009c567900 x28: 12c2000000000000 x27: ffff80008f8cd000
x26: 00000000000006d8 x25: 1ffff00011f19abd x24: 0000000000000001
x23: dfff800000000000 x22: fffffdffbf72c000 x21: 0000000000000001
x20: 9610000000000000 x19: 0000000000000001 x18: ffff0000f46d2240
x17: 0000000000000000 x16: ffff800083161638 x15: 0000000000000001
x14: 1fffe000366c41c1 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 0000000000ff0100 x9 : 0000000000000003
x8 : 0000000000000000 x7 : ffff80008051ba0c x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008036f2b8
x2 : 0000000000000001 x1 : 0000000000000080 x0 : 0000000000000000
Call trace:
memcg_rstat_updated+0xe4/0x288 mm/memcontrol.c:575 (P)
memcg_rstat_updated+0x7c/0x288 mm/memcontrol.c:573 (L)
__mod_memcg_lruvec_state+0x370/0x57c mm/memcontrol.c:746
__mod_objcg_mlstate+0x160/0x23c mm/memcontrol.c:2405
drain_obj_stock+0x178/0x350 mm/memcontrol.c:2811
refill_obj_stock+0xe8/0x2d8 mm/memcontrol.c:2860
obj_cgroup_charge+0x17c/0x238 mm/memcontrol.c:2920
__memcg_slab_post_alloc_hook+0x238/0x7fc mm/memcontrol.c:2979
memcg_slab_post_alloc_hook mm/slub.c:2156 [inline]
slab_post_alloc_hook mm/slub.c:4095 [inline]
slab_alloc_node mm/slub.c:4134 [inline]
__do_kmalloc_node mm/slub.c:4263 [inline]
__kmalloc_node_noprof+0x368/0x4dc mm/slub.c:4270
__kvmalloc_node_noprof+0x88/0x24c mm/util.c:658
groups_alloc kernel/groups.c:18 [inline]
__do_sys_setgroups kernel/groups.c:208 [inline]
__se_sys_setgroups kernel/groups.c:198 [inline]
__arm64_sys_setgroups+0x130/0x5a0 kernel/groups.c:198
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Code: b4000c14 d343fe9c 12000a89 11000d29 (38f76b88)
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
0: b4000c14 cbz x20, 0x180
4: d343fe9c lsr x28, x20, #3
8: 12000a89 and w9, w20, #0x7
c: 11000d29 add w9, w9, #0x3
* 10: 38f76b88 ldrsb w8, [x28, x23] <-- trapping instruction