xpad 6-1:179.65: xpad_irq_in - usb_submit_urb failed with result -19 xpad 6-1:179.65: xpad_irq_out - usb_submit_urb failed with result -19 ================================================================== BUG: KASAN: slab-use-after-free in debug_spin_lock_before kernel/locking/spinlock_debug.c:86 [inline] BUG: KASAN: slab-use-after-free in do_raw_spin_lock+0x271/0x2c0 kernel/locking/spinlock_debug.c:115 Read of size 4 at addr ffff8880803a305c by task syz-executor.1/5897 CPU: 1 PID: 5897 Comm: syz-executor.1 Not tainted 6.7.0-next-20240119-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:377 [inline] print_report+0xc3/0x620 mm/kasan/report.c:488 kasan_report+0xd9/0x110 mm/kasan/report.c:601 debug_spin_lock_before kernel/locking/spinlock_debug.c:86 [inline] do_raw_spin_lock+0x271/0x2c0 kernel/locking/spinlock_debug.c:115 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline] _raw_spin_lock_irqsave+0x42/0x60 kernel/locking/spinlock.c:162 __wake_up_common_lock kernel/sched/wait.c:105 [inline] __wake_up+0x1c/0x60 kernel/sched/wait.c:127 __usb_unanchor_urb drivers/usb/core/urb.c:156 [inline] usb_anchor_resume_wakeups+0xc2/0xe0 drivers/usb/core/urb.c:150 __usb_hcd_giveback_urb+0x392/0x5c0 drivers/usb/core/hcd.c:1653 usb_hcd_giveback_urb+0x389/0x430 drivers/usb/core/hcd.c:1733 dummy_timer+0x1415/0x3600 drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x1a0/0x5b0 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x762/0xaa0 kernel/time/timer.c:2038 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2051 __do_softirq+0x218/0x8de kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu kernel/softirq.c:632 [inline] irq_exit_rcu+0xb9/0x120 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:200 Code: be b0 01 00 00 e8 a0 ff ff ff 31 c0 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 65 48 8b 15 f4 9f 77 7e 65 8b 05 f5 9f 77 7e a9 00 01 RSP: 0018:ffffc9001520efa0 EFLAGS: 00000287 RAX: 0000000000000002 RBX: ffffc9001520f028 RCX: ffffffff813c177e RDX: ffff888026f33b80 RSI: ffffc9001520f388 RDI: 0000000000000006 RBP: ffffc9001520f3b0 R08: 0000000000000006 R09: ffffc9001520f388 R10: ffffc9001520f3b0 R11: 0000000000000002 R12: ffffc90015208000 R13: ffffc90015210000 R14: ffffc9001520f3b8 R15: ffffc9001520f388 unwind_next_frame+0x123c/0x2390 arch/x86/kernel/unwind_orc.c:672 arch_stack_walk+0x100/0x170 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:314 [inline] __kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:340 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3813 [inline] slab_alloc_node mm/slub.c:3860 [inline] kmem_cache_alloc+0x136/0x320 mm/slub.c:3867 kmem_cache_zalloc include/linux/slab.h:701 [inline] __kernfs_new_node+0xd3/0x8a0 fs/kernfs/dir.c:615 kernfs_new_node+0x18c/0x240 fs/kernfs/dir.c:691 __kernfs_create_file+0x53/0x340 fs/kernfs/file.c:1025 sysfs_add_file_mode_ns+0x1ff/0x3b0 fs/sysfs/file.c:307 create_files fs/sysfs/group.c:64 [inline] internal_create_group+0x31f/0xb50 fs/sysfs/group.c:152 internal_create_groups+0x9d/0x150 fs/sysfs/group.c:192 create_dir lib/kobject.c:77 [inline] kobject_add_internal+0x4c2/0x970 lib/kobject.c:238 kobject_add_varg lib/kobject.c:372 [inline] kobject_init_and_add+0x11c/0x190 lib/kobject.c:455 netdev_queue_add_kobject net/core/net-sysfs.c:1706 [inline] netdev_queue_update_kobjects+0x20b/0x520 net/core/net-sysfs.c:1758 register_queue_kobjects net/core/net-sysfs.c:1819 [inline] netdev_register_kobject+0x290/0x3f0 net/core/net-sysfs.c:2059 register_netdevice+0x1392/0x1db0 net/core/dev.c:10261 __ip_tunnel_create+0x4a5/0x670 net/ipv4/ip_tunnel.c:267 ip_tunnel_create net/ipv4/ip_tunnel.c:338 [inline] ip_tunnel_ctl+0x517/0x9a0 net/ipv4/ip_tunnel.c:915 ipip_tunnel_ctl+0x11e/0x2a0 net/ipv4/ipip.c:344 ip_tunnel_siocdevprivate+0x11c/0x1d0 net/ipv4/ip_tunnel.c:990 dev_siocdevprivate net/core/dev_ioctl.c:490 [inline] dev_ifsioc+0x535/0x10c0 net/core/dev_ioctl.c:598 dev_ioctl+0x1b2/0x10a0 net/core/dev_ioctl.c:812 sock_ioctl+0x5bf/0x6c0 net/socket.c:1268 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x193/0x220 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7fdebbe7cda9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdebccad0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fdebbfabf80 RCX: 00007fdebbe7cda9 RDX: 0000000020000d80 RSI: 00000000000089f1 RDI: 0000000000000003 RBP: 00007fdebbec947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fdebbfabf80 R15: 00007fffc768ad88 Allocated by task 5165: 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:372 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:389 kmalloc include/linux/slab.h:590 [inline] kzalloc include/linux/slab.h:711 [inline] xpad_probe+0x27e/0x1f50 drivers/input/joystick/xpad.c:2005 usb_probe_interface+0x309/0x940 drivers/usb/core/driver.c:399 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23a/0xcb0 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:457 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:532 device_add+0x1188/0x1ab0 drivers/base/core.c:3625 usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2207 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254 usb_probe_device+0xec/0x360 drivers/usb/core/driver.c:294 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23a/0xcb0 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:457 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:532 device_add+0x1188/0x1ab0 drivers/base/core.c:3625 usb_new_device+0xd80/0x1a00 drivers/usb/core/hub.c:2596 hub_port_connect drivers/usb/core/hub.c:5465 [inline] hub_port_connect_change drivers/usb/core/hub.c:5605 [inline] port_event drivers/usb/core/hub.c:5765 [inline] hub_event+0x2db0/0x4e20 drivers/usb/core/hub.c:5847 process_one_work+0x8d5/0x16e0 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2707 [inline] worker_thread+0x8b6/0x1290 kernel/workqueue.c:2788 kthread+0x2c1/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:242 Freed by task 1141: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3f/0x60 mm/kasan/generic.c:640 poison_slab_object mm/kasan/common.c:241 [inline] __kasan_slab_free+0x121/0x1c0 mm/kasan/common.c:257 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2121 [inline] slab_free mm/slub.c:4299 [inline] kfree+0x129/0x370 mm/slub.c:4409 xpad_disconnect+0x1cf/0x580 drivers/input/joystick/xpad.c:2186 usb_unbind_interface+0x1e0/0x8d0 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:569 [inline] device_remove+0x122/0x170 drivers/base/dd.c:561 __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1295 bus_remove_device+0x22f/0x420 drivers/base/bus.c:574 device_del+0x39b/0xa50 drivers/base/core.c:3814 usb_disable_device+0x36c/0x7f0 drivers/usb/core/message.c:1416 usb_disconnect+0x2e1/0x920 drivers/usb/core/hub.c:2257 hub_port_connect drivers/usb/core/hub.c:5305 [inline] hub_port_connect_change drivers/usb/core/hub.c:5605 [inline] port_event drivers/usb/core/hub.c:5765 [inline] hub_event+0x1dbb/0x4e20 drivers/usb/core/hub.c:5847 process_one_work+0x8d5/0x16e0 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2707 [inline] worker_thread+0x8b6/0x1290 kernel/workqueue.c:2788 kthread+0x2c1/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:242 The buggy address belongs to the object at ffff8880803a3000 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 92 bytes inside of freed 1024-byte region [ffff8880803a3000, ffff8880803a3400) The buggy address belongs to the physical page: page:ffffea000200e800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x803a0 head:ffffea000200e800 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff80000000840(slab|head|node=0|zone=1|lastcpupid=0xfff) page_type: 0xffffffff() raw: 00fff80000000840 ffff888014c41dc0 dead000000000100 dead000000000122 raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5102, tgid 5102 (syz-executor.1), ts 320449139490, free_ts 0 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x2d4/0x350 mm/page_alloc.c:1533 prep_new_page mm/page_alloc.c:1540 [inline] get_page_from_freelist+0xa19/0x3740 mm/page_alloc.c:3347 __alloc_pages+0x22e/0x2420 mm/page_alloc.c:4603 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page mm/slub.c:2190 [inline] allocate_slab mm/slub.c:2354 [inline] new_slab+0xcc/0x3a0 mm/slub.c:2407 ___slab_alloc+0x4ab/0x1990 mm/slub.c:3540 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3625 __slab_alloc_node mm/slub.c:3678 [inline] slab_alloc_node mm/slub.c:3850 [inline] __do_kmalloc_node mm/slub.c:3980 [inline] __kmalloc_node+0x372/0x480 mm/slub.c:3988 kmalloc_node include/linux/slab.h:610 [inline] kzalloc_node include/linux/slab.h:722 [inline] qdisc_alloc+0xb3/0xa90 net/sched/sch_generic.c:940 qdisc_create_dflt+0x73/0x400 net/sched/sch_generic.c:998 attach_one_default_qdisc net/sched/sch_generic.c:1163 [inline] netdev_for_each_tx_queue include/linux/netdevice.h:2578 [inline] attach_default_qdiscs net/sched/sch_generic.c:1181 [inline] dev_activate+0x667/0x1310 net/sched/sch_generic.c:1240 __dev_open+0x396/0x4f0 net/core/dev.c:1455 dev_open net/core/dev.c:1482 [inline] dev_open+0xf4/0x160 net/core/dev.c:1475 bond_enslave+0xa01/0x5da0 drivers/net/bonding/bond_main.c:2010 do_set_master+0x1bc/0x230 net/core/rtnetlink.c:2704 do_setlink+0xaed/0x40c0 net/core/rtnetlink.c:2910 __rtnl_newlink+0xc35/0x1960 net/core/rtnetlink.c:3701 page_owner free stack trace missing Memory state around the buggy address: ffff8880803a2f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8880803a2f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8880803a3000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880803a3080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880803a3100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ---------------- Code disassembly (best guess): 0: be b0 01 00 00 mov $0x1b0,%esi 5: e8 a0 ff ff ff call 0xffffffaa a: 31 c0 xor %eax,%eax c: c3 ret d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 18: 00 00 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop 27: 90 nop 28: 90 nop 29: 90 nop * 2a: f3 0f 1e fa endbr64 <-- trapping instruction 2e: 65 48 8b 15 f4 9f 77 mov %gs:0x7e779ff4(%rip),%rdx # 0x7e77a02a 35: 7e 36: 65 8b 05 f5 9f 77 7e mov %gs:0x7e779ff5(%rip),%eax # 0x7e77a032 3d: a9 .byte 0xa9 3e: 00 01 add %al,(%rcx)