cm109 6-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff888055e68700 submitted while active WARNING: CPU: 3 PID: 6475 at drivers/usb/core/urb.c:380 usb_submit_urb+0x16f5/0x1990 drivers/usb/core/urb.c:380 Modules linked in: CPU: 3 UID: 0 PID: 6475 Comm: syz.0.133 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:usb_submit_urb+0x16f5/0x1990 drivers/usb/core/urb.c:380 Code: ff ff ff bb fe ff ff ff e9 c9 f1 ff ff e8 03 0d b5 fa c6 05 2a c9 62 09 01 90 48 c7 c7 40 16 50 8c 48 89 de e8 5c 40 73 fa 90 <0f> 0b 90 90 e9 a6 fe ff ff bb f8 ff ff ff e9 99 f1 ff ff c7 44 24 RSP: 0000:ffffc900006f8a90 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffff888055e68700 RCX: ffffffff817b1cd8 RDX: ffff8880296ba480 RSI: ffffffff817b1ce5 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 R13: ffff888051bb9857 R14: ffff888052176c80 R15: 000000000000000f FS: 000055558c2e0500(0000) GS:ffff8880d6d05000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000300 CR3: 0000000053e57000 CR4: 0000000000352ef0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x2ed/0xb80 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x38b/0x610 drivers/usb/core/hcd.c:1661 usb_hcd_giveback_urb+0x39b/0x450 drivers/usb/core/hcd.c:1745 dummy_timer+0x1809/0x3a00 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x202/0xad0 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1858 handle_softirqs+0x219/0x8e0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1052 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:preempt_schedule_irq+0x4c/0x90 kernel/sched/core.c:7256 Code: df 55 65 48 8b 2d ac b2 3f 08 53 48 89 eb 48 c1 eb 03 48 01 c3 bf 01 00 00 00 e8 4f 96 27 f6 e8 1a ec 62 f6 fb bf 01 00 00 00 af 99 ff ff 9c 58 fa f6 c4 02 75 1e bf 01 00 00 00 e8 3d 21 27 RSP: 0000:ffffc90006daf838 EFLAGS: 00000206 RAX: 00000000000005ed RBX: ffffed10052d7490 RCX: 0000000000000007 RDX: 0000000000000000 RSI: ffffffff8da2c59c RDI: 0000000000000001 RBP: ffff8880296ba480 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff908216d7 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 irqentry_exit+0x36/0x90 kernel/entry/common.c:211 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__ref_is_percpu include/linux/percpu-refcount.h:174 [inline] RIP: 0010:percpu_ref_put_many include/linux/percpu-refcount.h:332 [inline] RIP: 0010:percpu_ref_put include/linux/percpu-refcount.h:351 [inline] RIP: 0010:css_put include/linux/cgroup_refcnt.h:79 [inline] RIP: 0010:css_put include/linux/cgroup_refcnt.h:76 [inline] RIP: 0010:obj_cgroup_charge_pages mm/memcontrol.c:2806 [inline] RIP: 0010:__memcg_kmem_charge_page+0x164/0x420 mm/memcontrol.c:2843 Code: 3c 8e e8 1f 1a 6a ff e8 fa 17 32 09 5a 85 c0 0f 85 84 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8d 75 10 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 52 02 00 00 48 8b 45 10 a8 03 0f 85 a4 01 00 00 RSP: 0000:ffffc90006daf900 EFLAGS: 00000a06 RAX: dffffc0000000000 RBX: ffffea0001638d80 RCX: 00000000b009bc04 RDX: 1ffff11003ad0342 RSI: ffffffff8bf07340 RDI: ffffffff8dcd5ef8 RBP: ffff88801d681a00 R08: 5babb9f47ff77ca6 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888051665200 R14: ffff88801d681a10 R15: 0000000000000001 __alloc_frozen_pages_noprof+0x323/0x2470 mm/page_alloc.c:5195 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2416 alloc_frozen_pages_noprof mm/mempolicy.c:2487 [inline] alloc_pages_noprof+0x131/0x390 mm/mempolicy.c:2507 pagetable_alloc_noprof include/linux/mm.h:2987 [inline] pmd_alloc_one_noprof include/asm-generic/pgalloc.h:142 [inline] __pmd_alloc+0x3b/0x8b0 mm/memory.c:6591 pmd_alloc include/linux/mm.h:2944 [inline] __handle_mm_fault+0xada/0x2aa0 mm/memory.c:6297 handle_mm_fault+0x589/0xd10 mm/memory.c:6505 do_user_addr_fault+0x60c/0x1370 arch/x86/mm/fault.c:1336 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x64/0xc0 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618 RIP: 0033:0x7f7d07358b08 Code: 66 89 74 17 02 88 0f c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 fa 7f 4c 17 f0 c3 0f 1f 44 00 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 62 e1 fe 28 6f 54 16 ff 62 e1 fe 28 6f RSP: 002b:00007fffef13e8e8 EFLAGS: 00010246 RAX: 0000200000000300 RBX: 0000000000000004 RCX: 0030656c69662f2e RDX: 0000000000000008 RSI: 0030656c69662f2e RDI: 0000200000000300 RBP: 0000000000000000 R08: 0000001b2e320000 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000009 R12: 00007f7d075e5fac R13: 00007f7d075e5fa0 R14: fffffffffffffffe R15: 0000000000000003 ---------------- Code disassembly (best guess): 0: df 55 65 fists 0x65(%rbp) 3: 48 8b 2d ac b2 3f 08 mov 0x83fb2ac(%rip),%rbp # 0x83fb2b6 a: 53 push %rbx b: 48 89 eb mov %rbp,%rbx e: 48 c1 eb 03 shr $0x3,%rbx 12: 48 01 c3 add %rax,%rbx 15: bf 01 00 00 00 mov $0x1,%edi 1a: e8 4f 96 27 f6 call 0xf627966e 1f: e8 1a ec 62 f6 call 0xf662ec3e 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 af 99 ff ff call 0xffff99de <-- trapping instruction 2f: 9c pushf 30: 58 pop %rax 31: fa cli 32: f6 c4 02 test $0x2,%ah 35: 75 1e jne 0x55 37: bf 01 00 00 00 mov $0x1,%edi 3c: e8 .byte 0xe8 3d: 3d .byte 0x3d 3e: 21 27 and %esp,(%rdi)