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=00000001ace37000 [ffff7fbff7e00005] pgd=0000000000000000, p4d=1000000233f02003, pud=1000000233f01003, pmd=1000000233f00003, pte=0000000000000000 Internal error: Oops: 0000000096000007 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 7529 Comm: syz-executor.2 Not tainted 6.10.0-rc7-syzkaller-00109-gc912bf709078 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ptlock_ptr include/linux/mm.h:2936 [inline] pc : pte_lockptr include/linux/mm.h:2960 [inline] pc : __pte_offset_map_lock+0x15c/0x2ac mm/pgtable-generic.c:374 lr : __pte_offset_map_lock+0xe0/0x2ac sp : ffff80009dd37260 x29: ffff80009dd37320 x28: fffeffffc0000000 x27: 0000000020c00000 x26: fffffdffbf000028 x25: ffff700013ba6e54 x24: ffff80009dd372c0 x23: 1ffff00013ba6e5c x22: ffff80009dd372e0 x21: ffff0000c71b2830 x20: dfff800000000000 x19: 0000000000000000 x18: 1fffe000367b11de x17: ffff800124d42000 x16: ffff800082f8f174 x15: 0000000000000002 x14: ffff80008f100568 x13: dfff800000000000 x12: 0000000071f6a2f7 x11: 1fffe00018e36506 x10: ffffc1ffc0000000 x9 : 0000000000000000 x8 : 1fffffbff7e00005 x7 : ffff800080953d88 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000008 x1 : 0000000000000000 x0 : ffff80008ea8e298 Call trace: ptlock_ptr include/linux/mm.h:2936 [inline] pte_lockptr include/linux/mm.h:2960 [inline] __pte_offset_map_lock+0x15c/0x2ac mm/pgtable-generic.c:374 pte_offset_map_lock include/linux/mm.h:3025 [inline] zap_pte_range mm/memory.c:1585 [inline] zap_pmd_range mm/memory.c:1724 [inline] zap_pud_range mm/memory.c:1753 [inline] zap_p4d_range mm/memory.c:1774 [inline] unmap_page_range+0x908/0x2e58 mm/memory.c:1795 unmap_single_vma mm/memory.c:1841 [inline] unmap_vmas+0x378/0x598 mm/memory.c:1885 exit_mmap+0x1cc/0xcb8 mm/mmap.c:3341 __mmput+0xec/0x390 kernel/fork.c:1346 mmput+0x70/0xac kernel/fork.c:1368 exit_mm+0x148/0x210 kernel/exit.c:567 do_exit+0x468/0x1ac8 kernel/exit.c:863 do_group_exit+0x194/0x22c kernel/exit.c:1025 __do_sys_exit_group kernel/exit.c:1036 [inline] __se_sys_exit_group kernel/exit.c:1034 [inline] pid_child_should_wake+0x0/0x1dc kernel/exit.c:1034 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:131 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:150 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 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