loop4: detected capacity change from 0 to 32768
Unable to handle kernel paging request at virtual address ffff7fbff7e00005
KASAN: probably wild-memory-access in range [0xfffffdffbf000028-0xfffffdffbf00002f]
Mem abort info:
  ESR = 0x0000000096000007
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x07: level 3 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000007, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001a5af6000
[ffff7fbff7e00005] pgd=0000000000000000, p4d=10000002337d9003, pud=10000002337d8003, pmd=10000002337d7003, pte=0000000000000000
Internal error: Oops: 0000000096000007 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 UID: 0 PID: 10197 Comm: syz-executor.4 Not tainted 6.12.0-rc1-syzkaller-00044-g80cb3fb61135 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : ptlock_ptr include/linux/mm.h:2926 [inline]
pc : pte_lockptr include/linux/mm.h:2950 [inline]
pc : __pte_offset_map_lock+0x15c/0x2ac mm/pgtable-generic.c:374
lr : __pte_offset_map_lock+0xe0/0x2ac
sp : ffff8000a1156c80
x29: ffff8000a1156d40 x28: fffeffffc0000000 x27: 0000000020e00000
x26: fffffdffbf000028 x25: ffff70001422ad98 x24: ffff8000a1156ce0
x23: 1ffff0001422ada0 x22: ffff8000a1156d00 x21: ffff0000d8412838
x20: dfff800000000000 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000830b4c50 x15: 0000000000000002
x14: ffff80008f7f05c8 x13: dfff800000000000 x12: 00000000b867b441
x11: 1fffe0001b082507 x10: ffffc1ffc0000000 x9 : 0000000000000000
x8 : 1fffffbff7e00005 x7 : ffff8000809aeaac x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002
x2 : 0000000000000008 x1 : 0000000000000000 x0 : ffff80008f12d1c8
Call trace:
 ptlock_ptr include/linux/mm.h:2926 [inline]
 pte_lockptr include/linux/mm.h:2950 [inline]
 __pte_offset_map_lock+0x15c/0x2ac mm/pgtable-generic.c:374
 pte_offset_map_lock include/linux/mm.h:3026 [inline]
 zap_pte_range mm/memory.c:1600 [inline]
 zap_pmd_range mm/memory.c:1739 [inline]
 zap_pud_range mm/memory.c:1768 [inline]
 zap_p4d_range mm/memory.c:1789 [inline]
 unmap_page_range+0x900/0x2e14 mm/memory.c:1810
 unmap_single_vma mm/memory.c:1856 [inline]
 zap_page_range_single+0x3d8/0x5d4 mm/memory.c:1935
 unmap_mapping_range_vma mm/memory.c:3752 [inline]
 unmap_mapping_range_tree mm/memory.c:3769 [inline]
 unmap_mapping_pages mm/memory.c:3835 [inline]
 unmap_mapping_range+0x204/0x24c mm/memory.c:3872
 shmem_fallocate+0x304/0xc14 mm/shmem.c:3417
 vfs_fallocate+0x484/0x5c0 fs/open.c:333
 madvise_remove mm/madvise.c:1012 [inline]
 madvise_vma_behavior mm/madvise.c:1039 [inline]
 madvise_walk_vmas mm/madvise.c:1274 [inline]
 do_madvise+0x1a64/0x31dc mm/madvise.c:1461
 __do_sys_madvise mm/madvise.c:1477 [inline]
 __se_sys_madvise mm/madvise.c:1475 [inline]
 __arm64_sys_madvise+0xa4/0xc0 mm/madvise.c:1475
 __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:732
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:750
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Code: aa09a908 8b481b48 9100a11a d343ff48 (38746908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	aa09a908 	orr	x8, x8, x9, lsl #42
   4:	8b481b48 	add	x8, x26, x8, lsr #6
   8:	9100a11a 	add	x26, x8, #0x28
   c:	d343ff48 	lsr	x8, x26, #3
* 10:	38746908 	ldrb	w8, [x8, x20] <-- trapping instruction