cm109 10-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff88802a113800 submitted while active WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x1689/0x19b0 drivers/usb/core/urb.c:379, CPU#0: syz.4.602/7908 Modules linked in: CPU: 0 UID: 0 PID: 7908 Comm: syz.4.602 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:usb_submit_urb+0x168c/0x19b0 drivers/usb/core/urb.c:379 Code: 00 48 8b 04 24 48 8b 90 b0 00 00 00 e9 70 ff ff ff bb ed ff ff ff e9 ac f1 ff ff e8 de 29 7d fa 48 8d 3d e7 63 c3 09 48 89 de <67> 48 0f b9 3a bb f0 ff ff ff e9 8e f1 ff ff c7 44 24 30 00 00 00 RSP: 0018:ffffc90000007af8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff88802a113800 RCX: 0000000000000102 RDX: ffff888032350000 RSI: ffff88802a113800 RDI: ffffffff91525020 RBP: ffff888022bccee0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000046 R13: ffff8880561cc058 R14: 000000000000000f R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880d5b5a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000047 CR3: 00000000405a0000 CR4: 0000000000352ef0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x473/0xa70 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x38e/0x610 drivers/usb/core/hcd.c:1657 usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1741 dummy_timer+0xdb2/0x3700 drivers/usb/gadget/udc/dummy_hcd.c:2019 __run_hrtimer kernel/time/hrtimer.c:2067 [inline] __hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2124 hrtimer_run_softirq+0x1ca/0x360 kernel/time/hrtimer.c:2141 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645 __do_softirq kernel/softirq.c:679 [inline] invoke_softirq kernel/softirq.c:519 [inline] __irq_exit_rcu+0x16a/0x210 kernel/softirq.c:758 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:check_kcov_mode kernel/kcov.c:181 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x40/0x70 kernel/kcov.c:213 Code: 80 12 48 63 c8 a9 00 01 00 ff 74 1e f6 c4 01 74 44 a9 00 00 00 0f 75 3d f7 c1 00 00 00 f0 75 35 8b 82 3c 17 00 00 85 c0 74 2b <8b> 82 10 17 00 00 83 f8 02 75 20 48 8b 8a 18 17 00 00 8b 92 14 17 RSP: 0018:ffffc90003907470 EFLAGS: 00000246 RAX: 8000000000000001 RBX: 000800000004e40b RCX: 0000000000000001 RDX: ffff888032350000 RSI: ffffffff826264ff RDI: ffff888032350000 RBP: 1ffff92000720e8f R08: 0000000000000006 R09: 000000000004e40b R10: 000000000017ffff R11: 0000000000000001 R12: 000000000004e40b R13: 00000000013902c0 R14: 00007ff870808000 R15: 000800000004e40b is_zero_pfn include/linux/pgtable.h:2044 [inline] __vm_normal_page mm/memory.c:808 [inline] vm_normal_page+0x11f/0x380 mm/memory.c:829 zap_present_ptes mm/memory.c:1831 [inline] do_zap_pte_range mm/memory.c:1963 [inline] zap_pte_range mm/memory.c:2065 [inline] zap_pmd_range mm/memory.c:2151 [inline] zap_pud_range mm/memory.c:2179 [inline] zap_p4d_range mm/memory.c:2200 [inline] __zap_vma_range+0xf42/0x48e0 mm/memory.c:2240 unmap_vmas+0x299/0x5f0 mm/memory.c:2309 exit_mmap+0x1ef/0xa00 mm/mmap.c:1315 __mmput+0x12a/0x410 kernel/fork.c:1193 mmput+0x67/0x80 kernel/fork.c:1216 exit_mm kernel/exit.c:617 [inline] do_exit+0x8b1/0x2ae0 kernel/exit.c:999 do_group_exit+0xd5/0x2a0 kernel/exit.c:1154 get_signal+0x1ec7/0x21e0 kernel/signal.c:3051 arch_do_signal_or_restart+0x91/0x7e0 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline] exit_to_user_mode_loop+0x139/0x700 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline] do_syscall_64+0x661/0x790 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff87119e159 Code: Unable to access opcode bytes at 0x7ff87119e12f. RSP: 002b:00007ff87202a028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: 0000000000000038 RBX: 00007ff871426360 RCX: 00007ff87119e159 RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000000000000007 RBP: 00007ff87123503b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff8714263f8 R14: 00007ff871426360 R15: 00007fffb33f5098 ---------------- Code disassembly (best guess): 0: 00 48 8b add %cl,-0x75(%rax) 3: 04 24 add $0x24,%al 5: 48 8b 90 b0 00 00 00 mov 0xb0(%rax),%rdx c: e9 70 ff ff ff jmp 0xffffff81 11: bb ed ff ff ff mov $0xffffffed,%ebx 16: e9 ac f1 ff ff jmp 0xfffff1c7 1b: e8 de 29 7d fa call 0xfa7d29fe 20: 48 8d 3d e7 63 c3 09 lea 0x9c363e7(%rip),%rdi # 0x9c3640e 27: 48 89 de mov %rbx,%rsi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: bb f0 ff ff ff mov $0xfffffff0,%ebx 34: e9 8e f1 ff ff jmp 0xfffff1c7 39: c7 .byte 0xc7 3a: 44 24 30 rex.R and $0x30,%al 3d: 00 00 add %al,(%rax)