------------[ cut here ]------------ WARNING: CPU: 3 PID: 2616 at drivers/base/component.c:767 component_del+0x40c/0x540 drivers/base/component.c:765 Modules linked in: CPU: 3 PID: 2616 Comm: syz-executor.0 Not tainted 5.16.0-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:component_del+0x40c/0x540 drivers/base/component.c:767 Code: 00 48 39 6b 20 75 82 e8 12 83 05 fd 48 c7 43 20 00 00 00 00 e9 70 ff ff ff e8 00 83 05 fd 48 c7 c7 00 39 68 8c e8 44 08 da 04 <0f> 0b 31 ed e8 eb 82 05 fd 48 89 ef 5b 5d 41 5c 41 5d 41 5e 41 5f RSP: 0018:ffffc9002604f880 EFLAGS: 00010286 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff88801b6e1d00 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffc9002604f7c8 RBP: ffffffff8c6838c0 R08: 0000000000000001 R09: ffffc9002604f7cf R10: fffff52004c09ef9 R11: 0000000000000001 R12: ffff88806e2ac008 R13: ffffffff8a4c04a0 R14: ffff88806e2ad1c0 R15: ffff88806e2ac000 FS: 0000000000000000(0000) GS:ffff88802cb00000(0063) knlGS:00000000f5892b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020200000 CR3: 00000000711ef000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: usb_hub_remove_port_device+0x272/0x370 drivers/usb/core/port.c:653 hub_disconnect+0x171/0x510 drivers/usb/core/hub.c:1737 usb_unbind_interface+0x1d8/0x8e0 drivers/usb/core/driver.c:458 __device_release_driver+0x5d7/0x700 drivers/base/dd.c:1206 device_release_driver_internal drivers/base/dd.c:1237 [inline] device_release_driver+0x26/0x40 drivers/base/dd.c:1260 usb_driver_release_interface+0x102/0x180 drivers/usb/core/driver.c:627 proc_disconnect_claim+0x217/0x380 drivers/usb/core/devio.c:2464 usbdev_do_ioctl drivers/usb/core/devio.c:2747 [inline] usbdev_ioctl+0x2b43/0x36c0 drivers/usb/core/devio.c:2791 compat_ptr_ioctl+0x67/0x90 fs/ioctl.c:910 __do_compat_sys_ioctl+0x1c7/0x290 fs/ioctl.c:972 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf6eb9549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f58925cc EFLAGS: 00000296 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000008108551b RDX: 0000000020000380 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 03 74 c0 01 add 0x1(%rax,%rax,8),%esi 4: 10 05 03 74 b8 01 adc %al,0x1b87403(%rip) # 0x1b8740d a: 10 06 adc %al,(%rsi) c: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 10: 10 07 adc %al,(%rdi) 12: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi 16: 10 08 adc %cl,(%rax) 18: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1c: 00 00 add %al,(%rax) 1e: 00 00 add %al,(%rax) 20: 00 51 52 add %dl,0x52(%rcx) 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 retq 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 39: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi