loop0: detected capacity change from 0 to 200
Unable to handle kernel paging request at virtual address dead4ead00000400
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
[dead4ead00000400] address between user and kernel address ranges
Internal error: Oops: 96000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 3066 Comm: syz-executor208 Not tainted 6.0.0-rc4-syzkaller-17186-g25050c56fa3c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : slab_alloc mm/slub.c:3251 [inline]
pc : kmem_cache_alloc_trace+0x184/0x324 mm/slub.c:3282
lr : slab_pre_alloc_hook mm/slab.h:702 [inline]
lr : slab_alloc_node mm/slub.c:3157 [inline]
lr : slab_alloc mm/slub.c:3251 [inline]
lr : kmem_cache_alloc_trace+0x8c/0x324 mm/slub.c:3282
sp : ffff8000127f3a80
x29: ffff8000127f3a90 x28: ffff0000c58c0000 x27: ffff80000d379000
x26: ffff80000cdb4419 x25: 0000000000000083 x24: dead4ead00000000
x23: 0000000000000000 x22: ffff800008f7bda0 x21: ffff0000c0001600
x20: 00000000000004d0 x19: 0000000000000dc0 x18: 0000000000000000
x17: 0000000000000000 x16: ffff80000dbb8658 x15: ffff0000c58c0000
x14: 0000000000000010 x13: 0000000000000000 x12: ffff0000c58c0000
x11: 0000000000000001 x10: 0000000000000000 x9 : 0000000000000400
x8 : 0000000000001ec8 x7 : ffff8000084b7800 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000001ed0
x2 : 0000000000000000 x1 : 0000000000000800 x0 : 0000000000000000
Call trace:
next_tid mm/slub.c:2311 [inline]
slab_alloc_node mm/slub.c:3227 [inline]
slab_alloc mm/slub.c:3251 [inline]
kmem_cache_alloc_trace+0x184/0x324 mm/slub.c:3282
kmalloc include/linux/slab.h:600 [inline]
kzalloc include/linux/slab.h:733 [inline]
alloc_nilfs+0x2c/0x13c fs/nilfs2/the_nilfs.c:59
nilfs_fill_super+0x40/0x2e8 fs/nilfs2/super.c:1041
nilfs_mount+0x370/0x52c fs/nilfs2/super.c:1317
legacy_get_tree+0x30/0x74 fs/fs_context.c:610
vfs_get_tree+0x40/0x140 fs/super.c:1530
do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040
path_mount+0x358/0x914 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+0x2f8/0x408 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+0x48/0x154 arch/arm64/kernel/syscall.c:206
el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:624
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642
el0t_64_sync+0x18c/0x190
Code: 54000d41 34000d4b b9402aa9 91002103 (f8696b19)
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
0: 54000d41 b.ne 0x1a8 // b.any
4: 34000d4b cbz w11, 0x1ac
8: b9402aa9 ldr w9, [x21, #40]
c: 91002103 add x3, x8, #0x8
* 10: f8696b19 ldr x25, [x24, x9] <-- trapping instruction