Unable to handle kernel paging request at virtual address bf908d5e7640333a
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
[bf908d5e7640333a] address between user and kernel address ranges
Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 3084 Comm: syz-executor291 Not tainted 6.1.0-rc5-syzkaller-32269-g9500fc6e9e60 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022
pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __kmem_cache_alloc_node+0x17c/0x350 mm/slub.c:3437
lr : slab_pre_alloc_hook mm/slab.h:712 [inline]
lr : slab_alloc_node mm/slub.c:3318 [inline]
lr : __kmem_cache_alloc_node+0x80/0x350 mm/slub.c:3437
sp : ffff80000ff636c0
x29: ffff80000ff636d0 x28: ffff0000c9848000 x27: 0000000000000000
x26: 0000000000001000 x25: 00000000ffffffff x24: ffff80000bea07bc
x23: 0000000000001000 x22: bf908d5e76402b3a x21: 0000000000000000
x20: 0000000000000c40 x19: ffff0000c0001700 x18: 000000000000ba7e
x17: 000000000000b67e x16: ffff80000dc18158 x15: ffff0000c9848000
x14: 0000000000000010 x13: 0000000000000000 x12: ffff0000c9848000
x11: 0000000000000001 x10: 0000000000000000 x9 : 0000000000000800
x8 : 00000000000613f9 x7 : ffff8000084c0640 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000061401
x2 : 0000000000000000 x1 : 0000000000000c40 x0 : fffffc00032ed000
Call trace:
next_tid mm/slub.c:2349 [inline]
slab_alloc_node mm/slub.c:3382 [inline]
__kmem_cache_alloc_node+0x17c/0x350 mm/slub.c:3437
__do_kmalloc_node mm/slab_common.c:954 [inline]
__kmalloc+0xb4/0x140 mm/slab_common.c:968
kmalloc include/linux/slab.h:558 [inline]
p9_fcall_init net/9p/client.c:228 [inline]
p9_tag_alloc net/9p/client.c:293 [inline]
p9_client_prepare_req+0x2b0/0x53c net/9p/client.c:631
p9_client_rpc+0xbc/0x548 net/9p/client.c:678
p9_client_flush+0x118/0x1b0 net/9p/client.c:596
p9_client_rpc+0x4cc/0x548 net/9p/client.c:724
p9_client_create+0x4d8/0x758 net/9p/client.c:1015
v9fs_session_init+0xa4/0x9f0 fs/9p/v9fs.c:408
v9fs_mount+0x6c/0x568 fs/9p/vfs_super.c:126
legacy_get_tree+0x30/0x74 fs/fs_context.c:610
vfs_get_tree+0x40/0x140 fs/super.c:1531
do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040
path_mount+0x358/0x890 fs/namespace.c:3370
do_mount fs/namespace.c:3383 [inline]
__do_sys_mount fs/namespace.c:3591 [inline]
__se_sys_mount fs/namespace.c:3568 [inline]
__arm64_sys_mount+0x2c4/0x3c4 fs/namespace.c:3568
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584
Code: 54000ee1 34000eeb b9402a69 91002103 (f8696ada)
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
0: 54000ee1 b.ne 0x1dc // b.any
4: 34000eeb cbz w11, 0x1e0
8: b9402a69 ldr w9, [x19, #40]
c: 91002103 add x3, x8, #0x8
* 10: f8696ada ldr x26, [x22, x9] <-- trapping instruction