cm109 4-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff88801da87e00 submitted while active
WARNING: CPU: 1 PID: 6174 at drivers/usb/core/urb.c:379 usb_submit_urb+0xfc1/0x1830 drivers/usb/core/urb.c:379
Modules linked in:
CPU: 1 UID: 0 PID: 6174 Comm: syz.4.42 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:usb_submit_urb+0xfc1/0x1830 drivers/usb/core/urb.c:379
Code: 44 89 f2 e8 91 b8 00 fa e9 13 fc ff ff e8 27 d2 93 fa c6 05 7e a9 61 08 01 90 48 c7 c7 c0 fe 34 8c 48 89 de e8 30 6e 57 fa 90 <0f> 0b 90 90 e9 b7 f0 ff ff e8 01 d2 93 fa eb 11 e8 fa d1 93 fa bd
RSP: 0018:ffffc90000a08868 EFLAGS: 00010046
RAX: 490596be4a307900 RBX: ffff88801da87e00 RCX: 0000000000040000
RDX: ffffc900023c1000 RSI: 00000000000004e4 RDI: 00000000000004e5
RBP: 000000000000000f R08: ffff8880b8724253 R09: 1ffff110170e484a
R10: dffffc0000000000 R11: ffffed10170e484b R12: dffffc0000000000
R13: ffff888050e7a830 R14: ffff88801da87e08 R15: 0000000000000820
FS: 0000000000000000(0000) GS:ffff888125d18000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9ee6ba17e0 CR3: 0000000052d62000 CR4: 0000000000350ef0
Call Trace:
cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline]
cm109_urb_irq_callback+0x709/0xca0 drivers/input/misc/cm109.c:431
__usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1661
dummy_timer+0x862/0x4550 drivers/usb/gadget/udc/dummy_hcd.c:1995
__run_hrtimer kernel/time/hrtimer.c:1761 [inline]
__hrtimer_run_queues+0x52c/0xc60 kernel/time/hrtimer.c:1825
hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1842
handle_softirqs+0x286/0x870 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:23 [inline]
RIP: 0010:raw_atomic_read include/linux/atomic/atomic-arch-fallback.h:457 [inline]
RIP: 0010:rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline]
RIP: 0010:rcu_is_watching+0x5a/0xb0 kernel/rcu/tree.c:751
Code: f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 3c bc 7c 00 48 c7 c3 98 af a1 92 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 38 <84> c0 75 34 8b 03 65 ff 0d 19 20 fa 10 74 11 83 e0 04 c1 e8 02 5b
RSP: 0018:ffffc90005327538 EFLAGS: 00000216
RAX: 0000000000000000 RBX: ffff8880b8732f98 RCX: 490596be4a307900
RDX: ffff88802c4a0000 RSI: ffffffff8be33860 RDI: ffffffff8be33820
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff822e619a
R10: dffffc0000000000 R11: fffff9400034c4c1 R12: dffffc0000000000
R13: 1ffffd400034c4c3 R14: ffffffff8dbdfd18 R15: dffffc0000000000
rcu_read_lock_sched include/linux/rcupdate.h:933 [inline]
pfn_valid+0xf3/0x490 include/linux/mmzone.h:2162
page_table_check_clear+0x21/0x700 mm/page_table_check.c:70
ptep_get_and_clear_full arch/x86/include/asm/jump_label.h:-1 [inline]
get_and_clear_full_ptes include/linux/pgtable.h:725 [inline]
zap_present_folio_ptes mm/memory.c:1499 [inline]
zap_present_ptes mm/memory.c:1581 [inline]
do_zap_pte_range mm/memory.c:1682 [inline]
zap_pte_range mm/memory.c:1726 [inline]
zap_pmd_range mm/memory.c:1818 [inline]
zap_pud_range mm/memory.c:1847 [inline]
zap_p4d_range mm/memory.c:1868 [inline]
unmap_page_range+0x3445/0x4370 mm/memory.c:1889
unmap_single_vma mm/memory.c:1932 [inline]
unmap_vmas+0x399/0x580 mm/memory.c:1976
exit_mmap+0x248/0xb50 mm/mmap.c:1280
__mmput+0x118/0x420 kernel/fork.c:1130
exit_mm+0x1da/0x2c0 kernel/exit.c:582
do_exit+0x648/0x2300 kernel/exit.c:949
do_group_exit+0x21c/0x2d0 kernel/exit.c:1102
__do_sys_exit_group kernel/exit.c:1113 [inline]
__se_sys_exit_group kernel/exit.c:1111 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1111
x64_sys_call+0x21f7/0x2200 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd8b7b8ebe9
Code: Unable to access opcode bytes at 0x7fd8b7b8ebbf.
RSP: 002b:00007ffd1e0818b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8b7b8ebe9
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffd1e08191c R08: 0000000a1e0819af R09: 00000000000927c0
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000009
R13: 00000000000927c0 R14: 000000000001b7fc R15: 00007ffd1e081970
----------------
Code disassembly (best guess):
0: f0 48 c1 e8 03 lock shr $0x3,%rax
5: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
a: 74 08 je 0x14
c: 4c 89 f7 mov %r14,%rdi
f: e8 3c bc 7c 00 call 0x7cbc50
14: 48 c7 c3 98 af a1 92 mov $0xffffffff92a1af98,%rbx
1b: 49 03 1e add (%r14),%rbx
1e: 48 89 d8 mov %rbx,%rax
21: 48 c1 e8 03 shr $0x3,%rax
25: 42 0f b6 04 38 movzbl (%rax,%r15,1),%eax
* 2a: 84 c0 test %al,%al <-- trapping instruction
2c: 75 34 jne 0x62
2e: 8b 03 mov (%rbx),%eax
30: 65 ff 0d 19 20 fa 10 decl %gs:0x10fa2019(%rip) # 0x10fa2050
37: 74 11 je 0x4a
39: 83 e0 04 and $0x4,%eax
3c: c1 e8 02 shr $0x2,%eax
3f: 5b pop %rbx