general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.2.0-rc3-next-20230110-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:pn533_out_complete.cold+0x15/0x44 drivers/nfc/pn533/usb.c:441 Code: df e8 aa 07 fa f7 e9 39 ff ff ff 48 89 df e8 9d 07 fa f7 eb e0 e8 d6 19 ac f7 4c 89 ea b8 ff ff 37 00 48 c1 ea 03 48 c1 e0 2a <80> 3c 02 00 75 1f 49 8b 7d 00 44 89 e2 48 c7 c6 80 be d0 8a 48 81 RSP: 0018:ffffc900001e0a58 EFLAGS: 00010086 RAX: dffffc0000000000 RBX: ffff88801f705800 RCX: 0000000000000100 RDX: 0000000000000000 RSI: ffffffff89d5a3ea RDI: 0000000000000005 RBP: ffffc90000a1ee70 R08: 0000000000000005 R09: 0000000000000000 R10: ffffffffffffffb9 R11: 0000000000000001 R12: ffffffffffffffb9 R13: 0000000000000000 R14: 0100000000000001 R15: 00000000ffffffb9 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffc3520bb0 CR3: 00000000262ac000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __usb_hcd_giveback_urb+0x2b6/0x5c0 drivers/usb/core/hcd.c:1671 usb_hcd_giveback_urb+0x384/0x430 drivers/usb/core/hcd.c:1754 dummy_timer+0x1203/0x32d0 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x1da/0x800 kernel/time/timer.c:1700 expire_timers+0x234/0x330 kernel/time/timer.c:1751 __run_timers kernel/time/timer.c:2022 [inline] __run_timers kernel/time/timer.c:1995 [inline] run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035 __do_softirq+0x1fb/0xaf6 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 irq_exit_rcu+0x9/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline] RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:113 [inline] RIP: 0010:acpi_idle_do_entry+0x1fd/0x2a0 drivers/acpi/processor_idle.c:570 Code: 89 de e8 c6 c5 7a f7 84 db 75 ac e8 4d c9 7a f7 e8 c8 49 81 f7 66 90 e8 41 c9 7a f7 0f 00 2d ba cc aa 00 e8 35 c9 7a f7 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 f0 c5 7a f7 48 85 db RSP: 0018:ffffc90000177d10 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88813fe71d40 RSI: ffffffff8a06f48b RDI: 0000000000000000 RBP: ffff88813ff2a864 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 R13: ffff88813ff2a800 R14: ffff88813ff2a864 R15: ffff88801867f004 acpi_idle_enter+0x368/0x510 drivers/acpi/processor_idle.c:707 cpuidle_enter_state+0x1af/0xd40 drivers/cpuidle/cpuidle.c:239 cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:356 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:236 [inline] do_idle+0x3f7/0x590 kernel/sched/idle.c:303 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:400 start_secondary+0x256/0x300 arch/x86/kernel/smpboot.c:264 secondary_startup_64_no_verify+0xce/0xdb Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:pn533_out_complete.cold+0x15/0x44 drivers/nfc/pn533/usb.c:441 Code: df e8 aa 07 fa f7 e9 39 ff ff ff 48 89 df e8 9d 07 fa f7 eb e0 e8 d6 19 ac f7 4c 89 ea b8 ff ff 37 00 48 c1 ea 03 48 c1 e0 2a <80> 3c 02 00 75 1f 49 8b 7d 00 44 89 e2 48 c7 c6 80 be d0 8a 48 81 RSP: 0018:ffffc900001e0a58 EFLAGS: 00010086 RAX: dffffc0000000000 RBX: ffff88801f705800 RCX: 0000000000000100 RDX: 0000000000000000 RSI: ffffffff89d5a3ea RDI: 0000000000000005 RBP: ffffc90000a1ee70 R08: 0000000000000005 R09: 0000000000000000 R10: ffffffffffffffb9 R11: 0000000000000001 R12: ffffffffffffffb9 R13: 0000000000000000 R14: 0100000000000001 R15: 00000000ffffffb9 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffc3520bb0 CR3: 00000000262ac000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: e8 aa 07 fa f7 callq 0xf7fa07af 5: e9 39 ff ff ff jmpq 0xffffff43 a: 48 89 df mov %rbx,%rdi d: e8 9d 07 fa f7 callq 0xf7fa07af 12: eb e0 jmp 0xfffffff4 14: e8 d6 19 ac f7 callq 0xf7ac19ef 19: 4c 89 ea mov %r13,%rdx 1c: b8 ff ff 37 00 mov $0x37ffff,%eax 21: 48 c1 ea 03 shr $0x3,%rdx 25: 48 c1 e0 2a shl $0x2a,%rax * 29: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2d: 75 1f jne 0x4e 2f: 49 8b 7d 00 mov 0x0(%r13),%rdi 33: 44 89 e2 mov %r12d,%edx 36: 48 c7 c6 80 be d0 8a mov $0xffffffff8ad0be80,%rsi 3d: 48 rex.W 3e: 81 .byte 0x81