Unable to handle kernel NULL pointer dereference at virtual address 0000000000000098 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 user pgtable: 4k pages, 48-bit VAs, pgdp=0000000108e1f000 [0000000000000098] pgd=0000000000000000, p4d=0000000000000000 Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 2560 Comm: udevd Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 pstate: 004000c5 (nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : dev_driver_string drivers/base/core.c:2180 [inline] pc : __dev_printk+0x4c/0xe4 drivers/base/core.c:4760 lr : __dev_printk+0x28/0xe4 drivers/base/core.c:4757 sp : ffff80000800bb50 x29: ffff80000800bb50 x28: ffff0000cca3fb80 x27: ffff0000c7beb700 x26: ffff0000cca3fb88 x25: 0000000000000000 x24: ffff0000c62e2c40 x23: ffff0000c8fc9000 x22: ffff0000c8e98000 x21: ffff80000cb52ab5 x20: 0000000000000030 x19: ffff80000800bbe8 x18: 0000000000000000 x17: ffff8001f1d7d000 x16: 0000000000000100 x15: 0000000000000100 x14: 0000000000000000 x13: 00000000fffffffe x12: ffff80000d74f770 x11: ff80800009a4794c x10: 0000000000000000 x9 : ffff800009a4794c x8 : 0000000000000034 x7 : ffff8000082a06ac x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff80000800bbe8 x1 : 0000000000000030 x0 : ffff80000cb52ab5 Call trace: __dev_printk+0x4c/0xe4 drivers/base/core.c:4759 _dev_warn+0x70/0x9c drivers/base/core.c:4803 si470x_int_in_callback+0x238/0x554 drivers/media/radio/si470x/radio-si470x-usb.c:378 __usb_hcd_giveback_urb+0x16c/0x244 drivers/usb/core/hcd.c:1671 usb_hcd_giveback_urb+0x74/0x228 drivers/usb/core/hcd.c:1754 dummy_timer+0x3a0/0x111c drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x90/0x144 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers+0x280/0x374 kernel/time/timer.c:1790 run_timer_softirq+0x34/0x5c kernel/time/timer.c:1803 _stext+0x168/0x37c ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79 call_on_irq_stack+0x2c/0x54 arch/arm64/kernel/entry.S:889 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:84 invoke_softirq+0x70/0xbc kernel/softirq.c:452 __irq_exit_rcu+0xf0/0x140 kernel/softirq.c:650 irq_exit_rcu+0x10/0x40 kernel/softirq.c:662 el0_interrupt+0x7c/0x214 arch/arm64/kernel/entry-common.c:716 __el0_irq_handler_common+0x18/0x24 arch/arm64/kernel/entry-common.c:723 el0t_64_irq_handler+0x10/0x1c arch/arm64/kernel/entry-common.c:728 el0t_64_irq+0x18c/0x190 arch/arm64/kernel/entry.S:582 Code: aa1303e2 949589fb 14000022 394006a8 (f9403696) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: aa1303e2 mov x2, x19 4: 949589fb bl 0x25627f0 8: 14000022 b 0x90 c: 394006a8 ldrb w8, [x21, #1] * 10: f9403696 ldr x22, [x20, #104] <-- trapping instruction