Unable to handle kernel paging request at virtual address ffffffffc8a4e090 KASAN: maybe wild-memory-access in range [0x0003fffe45270480-0x0003fffe45270487] Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006, 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=0000000206d55000 [ffffffffc8a4e090] pgd=0000000000000000, p4d=000000020aaef403, pud=000000020aaf0403, pmd=0000000000000000 Internal error: Oops: 0000000096000006 [#1] SMP Modules linked in: CPU: 0 UID: 0 PID: 7265 Comm: syz.0.117 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ovl_seek_cursor fs/overlayfs/readdir.c:471 [inline] pc : ovl_iterate_merged fs/overlayfs/readdir.c:851 [inline] pc : ovl_iterate+0xff8/0x1ca4 fs/overlayfs/readdir.c:906 lr : ovl_cache_get fs/overlayfs/readdir.c:505 [inline] lr : ovl_iterate_merged fs/overlayfs/readdir.c:845 [inline] lr : ovl_iterate+0xcbc/0x1ca4 fs/overlayfs/readdir.c:906 sp : ffff8000a3cb7860 x29: ffff8000a3cb7b70 x28: ffff0000c8a4e380 x27: 0000000000000000 x26: 0000000000000000 x25: ffffffffc8a4e080 x24: ffff0000c8a4e388 x23: ffffffffc8a4e090 x22: ffff8000a3cb7cc8 x21: dfff800000000000 x20: ffff0000d8fa605c x19: ffffffffc8a4e090 x18: 00000000ffffffff x17: ffff0001fea8d870 x16: ffff80008053826c x15: 0000000000000001 x14: 00000000ffff8000 x13: 0000000074bfa048 x12: ffff800080021d9c x11: ffff800093397d48 x10: 0000000000ff0100 x9 : f80e8684351f1e00 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000001 x3 : 0000000000000010 x2 : 0000000000000006 x1 : 0000000000000080 x0 : 0000000000000001 Call trace: ovl_seek_cursor fs/overlayfs/readdir.c:471 [inline] (P) ovl_iterate_merged fs/overlayfs/readdir.c:851 [inline] (P) ovl_iterate+0xff8/0x1ca4 fs/overlayfs/readdir.c:906 (P) wrap_directory_iterator+0x90/0xf0 fs/readdir.c:65 shared_ovl_iterate+0x30/0x40 fs/overlayfs/readdir.c:1065 iterate_dir+0x2dc/0x478 fs/readdir.c:108 __do_sys_getdents64 fs/readdir.c:410 [inline] __se_sys_getdents64 fs/readdir.c:396 [inline] __arm64_sys_getdents64+0x110/0x2fc fs/readdir.c:396 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x26c arch/arm64/kernel/entry-common.c:724 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 Code: 38756908 34000068 aa1703e0 97c3a4c7 (f94002f7) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 38756908 ldrb w8, [x8, x21] 4: 34000068 cbz w8, 0x10 8: aa1703e0 mov x0, x23 c: 97c3a4c7 bl 0xffffffffff0e9328 * 10: f94002f7 ldr x23, [x23] <-- trapping instruction