cm109 1-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff88806cd20500 submitted while active WARNING: CPU: 1 PID: 20070 at drivers/usb/core/urb.c:379 usb_submit_urb+0x1519/0x1770 drivers/usb/core/urb.c:379 Modules linked in: CPU: 1 UID: 0 PID: 20070 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:usb_submit_urb+0x1519/0x1770 drivers/usb/core/urb.c:379 Code: fd eb cb bb fe ff ff ff e9 96 f3 ff ff e8 cf 1f 7a fa c6 05 c0 52 52 09 01 90 48 c7 c7 80 0d 74 8c 48 89 de e8 d8 c2 38 fa 90 <0f> 0b 90 90 e9 ac fe ff ff bb f8 ff ff ff e9 66 f3 ff ff 48 89 ef RSP: 0018:ffffc90000a08a80 EFLAGS: 00010086 RAX: 0000000000000000 RBX: ffff88806cd20500 RCX: ffffc90002392000 RDX: 0000000000040000 RSI: ffffffff817a4395 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: fffffffffffc81c0 R12: 0000000000000001 R13: ffff8880587af857 R14: ffff88801b861fe0 R15: 000000000000000f FS: 00007eff2a980880(0000) GS:ffff8881247b5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007eff2a0513ec CR3: 0000000077f7c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000006800 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 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+0x1814/0x3a30 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1761 [inline] __hrtimer_run_queues+0x1ff/0xad0 kernel/time/hrtimer.c:1825 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1842 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0x109/0x170 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+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x62/0x350 kernel/locking/lockdep.c:5872 Code: d6 3e 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 22 98 13 0f 0f 82 74 02 00 00 8b 35 da c9 13 0f 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 79 d6 3e 12 0f 85 c7 02 00 00 48 83 c4 RSP: 0018:ffffc900032d73e0 EFLAGS: 00000206 RAX: 0000000000000046 RBX: ffffffff8e5c15a0 RCX: 00000000a6c9c1ed RDX: 0000000000000000 RSI: ffffffff8de2d3e8 RDI: ffffffff8c163200 RBP: 0000000000000002 R08: 11332c0815887e97 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:841 [inline] class_rcu_constructor include/linux/rcupdate.h:1155 [inline] unwind_next_frame+0xd1/0x20a0 arch/x86/kernel/unwind_orc.c:479 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:388 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:405 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4376 [inline] __kvmalloc_node_noprof+0x27b/0x620 mm/slub.c:5067 simple_xattr_alloc+0x41/0xa0 fs/xattr.c:1238 simple_xattr_set+0x3d/0x3e0 fs/xattr.c:1358 shmem_xattr_handler_set+0x31b/0x3b0 mm/shmem.c:4392 __vfs_setxattr+0x172/0x1e0 fs/xattr.c:200 __vfs_setxattr_noperm+0x127/0x660 fs/xattr.c:234 __vfs_setxattr_locked+0x182/0x260 fs/xattr.c:295 vfs_setxattr+0x145/0x360 fs/xattr.c:321 do_setxattr+0x145/0x180 fs/xattr.c:636 filename_setxattr+0x16b/0x1d0 fs/xattr.c:665 path_setxattrat+0x1de/0x2a0 fs/xattr.c:713 __do_sys_lsetxattr fs/xattr.c:754 [inline] __se_sys_lsetxattr fs/xattr.c:750 [inline] __x64_sys_lsetxattr+0xc9/0x140 fs/xattr.c:750 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7eff2a31d57a Code: 48 83 c4 08 48 89 d8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 66 0f 1f 44 00 00 31 db eb e4 0f 1f 40 00 49 89 ca b8 bd 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4e 38 0d 00 f7 d8 64 89 01 48 RSP: 002b:00007fff9ba27148 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd RAX: ffffffffffffffda RBX: 0000556371eaf530 RCX: 00007eff2a31d57a RDX: 0000556371eaf530 RSI: 00007eff2aa4029c RDI: 0000556371c614f0 RBP: 0000556371c5e8d0 R08: 0000000000000000 R09: 0000000000000030 R10: 0000000000000021 R11: 0000000000000246 R12: 0000556371c614f0 R13: 0000000000000001 R14: 0000556371c614f0 R15: 0000556371ea00c0 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 3e 12 83 f8 07 0f 87 ds adc -0x78f0f808(%rbx),%al 7: bc 02 00 00 89 mov $0x89000002,%esp c: c0 48 0f a3 rorb $0xa3,0xf(%rax) 10: 05 22 98 13 0f add $0xf139822,%eax 15: 0f 82 74 02 00 00 jb 0x28f 1b: 8b 35 da c9 13 0f mov 0xf13c9da(%rip),%esi # 0xf13c9fb 21: 85 f6 test %esi,%esi 23: 0f 85 8d 00 00 00 jne 0xb6 * 29: 48 8b 44 24 30 mov 0x30(%rsp),%rax <-- trapping instruction 2e: 65 48 2b 05 79 d6 3e sub %gs:0x123ed679(%rip),%rax # 0x123ed6af 35: 12 36: 0f 85 c7 02 00 00 jne 0x303 3c: 48 rex.W 3d: 83 .byte 0x83 3e: c4 .byte 0xc4