Unable to handle kernel paging request at virtual address dfff80000000005f KASAN: null-ptr-deref in range [0x00000000000002f8-0x00000000000002ff] 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 CM = 0, WnR = 0 [dfff80000000005f] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 5385 Comm: syz.0.298 Not tainted 6.1.136-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : h5_recv+0x11c/0x7c0 drivers/bluetooth/hci_h5.c:569 lr : h5_recv+0xc4/0x7c0 drivers/bluetooth/hci_h5.c:566 sp : ffff800020de7a80 x29: ffff800020de7b70 x28: 0000000000000308 x27: 0000000000000006 x26: dfff800000000000 x25: ffff0000f309c000 x24: dfff800000000000 x23: 00000000000002e8 x22: 00000000000002f8 x21: ffff800020de7c40 x20: 0000000000000001 x19: 000000000000005f x18: 0000000000000000 x17: ffff8000181a0000 x16: ffff8000082d0758 x15: ffff800017c80fc0 x14: ffff0000d3674218 x13: ffff0000d3674268 x12: 0000000000ff0100 x11: ff0080000eaf4424 x10: 0000000000000061 x9 : 1fffe0001e613802 x8 : 000000000000005e x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff8000184700b8 x4 : 0000000000000008 x3 : ffff8000082d0bd8 x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: h5_recv+0x11c/0x7c0 drivers/bluetooth/hci_h5.c:-1 hci_uart_tty_receive+0x140/0x1d4 drivers/bluetooth/hci_ldisc.c:624 tiocsti+0x234/0x2d8 drivers/tty/tty_io.c:2288 tty_ioctl+0x35c/0xd8c drivers/tty/tty_io.c:2690 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: f9001fe9 d343fd29 f90023e8 f9001be9 (387a6a68) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: f9001fe9 str x9, [sp, #56] 4: d343fd29 lsr x9, x9, #3 8: f90023e8 str x8, [sp, #64] c: f9001be9 str x9, [sp, #48] * 10: 387a6a68 ldrb w8, [x19, x26] <-- trapping instruction