xpad 4-1:179.65: xpad_irq_in - usb_submit_urb failed with result -19 xpad 4-1:179.65: 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+0x299/0x370 kernel/locking/spinlock_debug.c:115 Read of size 4 at addr ffff88802c67b85c by task udevd/4540 CPU: 0 PID: 4540 Comm: udevd Not tainted 6.9.0-rc7-syzkaller-00117-g448b3fe5a0ea #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 debug_spin_lock_before kernel/locking/spinlock_debug.c:86 [inline] do_raw_spin_lock+0x299/0x370 kernel/locking/spinlock_debug.c:115 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline] _raw_spin_lock_irqsave+0xe1/0x120 kernel/locking/spinlock.c:162 __wake_up_common_lock+0x25/0x1e0 kernel/sched/wait.c:105 __usb_hcd_giveback_urb+0x3ac/0x530 drivers/usb/core/hcd.c:1651 dummy_timer+0x833/0x45f0 drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x190/0x650 kernel/time/timer.c:1793 expire_timers kernel/time/timer.c:1844 [inline] __run_timers kernel/time/timer.c:2418 [inline] __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2429 run_timer_base kernel/time/timer.c:2438 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2448 handle_softirqs+0x2d8/0x990 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:unwind_next_frame+0x13ab/0x2a00 Code: 80 3c 28 00 48 8b 5c 24 50 74 08 48 89 df e8 fc 61 b9 00 48 8b 44 24 10 48 89 03 ba 10 00 00 00 4c 89 f7 31 f6 e8 c5 63 b9 00 7d 05 00 00 e8 5b b5 54 00 48 8b 04 24 48 8d 68 28 49 89 ef 49 RSP: 0018:ffffc90008d077c8 EFLAGS: 00000202 RAX: ffffc90008d078f0 RBX: ffffc90008d078d8 RCX: 0000000000000000 RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90008d07900 RBP: ffffc90008d078e8 R08: ffffc90008d078ff R09: ffffc90008d078f0 R10: dffffc0000000000 R11: fffff520011a0f20 R12: ffffc90008d07a18 R13: dffffc0000000000 R14: ffffc90008d078f0 R15: 1ffff920011a0f14 arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:312 [inline] __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:338 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3804 [inline] slab_alloc_node mm/slub.c:3851 [inline] kmem_cache_alloc+0x174/0x350 mm/slub.c:3858 getname_flags+0xbd/0x4f0 fs/namei.c:139 vfs_fstatat+0x11c/0x190 fs/stat.c:303 __do_sys_newfstatat fs/stat.c:468 [inline] __se_sys_newfstatat fs/stat.c:462 [inline] __x64_sys_newfstatat+0x117/0x190 fs/stat.c:462 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f51f7b165f4 Code: 64 c7 00 09 00 00 00 83 c8 ff c3 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 00 00 00 00 41 89 ca b8 06 01 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 10 48 8b 15 03 a8 0d 00 f7 d8 41 83 c8 RSP: 002b:00007fffec588af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 RAX: ffffffffffffffda RBX: 0000559ac67de520 RCX: 00007f51f7b165f4 RDX: 00007fffec588b08 RSI: 00007fffec588f98 RDI: 00000000ffffff9c RBP: 00007fffec588b98 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffec588f98 R13: 00007fffec588b08 R14: 0000559ac67bb910 R15: 0000000000000000 Allocated by task 5187: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:370 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387 kasan_kmalloc include/linux/kasan.h:211 [inline] kmalloc_trace+0x1db/0x370 mm/slub.c:4003 kmalloc include/linux/slab.h:628 [inline] kzalloc include/linux/slab.h:749 [inline] xpad_probe+0x3c8/0x1b90 drivers/input/joystick/xpad.c:2023 usb_probe_interface+0x647/0xbb0 drivers/usb/core/driver.c:399 really_probe+0x2ba/0xad0 drivers/base/dd.c:656 __driver_probe_device+0x1a2/0x390 drivers/base/dd.c:798 driver_probe_device+0x50/0x430 drivers/base/dd.c:828 __device_attach_driver+0x2d6/0x530 drivers/base/dd.c:956 bus_for_each_drv+0x250/0x2e0 drivers/base/bus.c:457 __device_attach+0x333/0x520 drivers/base/dd.c:1028 bus_probe_device+0x189/0x260 drivers/base/bus.c:532 device_add+0x8ff/0xca0 drivers/base/core.c:3720 usb_set_configuration+0x1976/0x1fb0 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0x88/0x140 drivers/usb/core/generic.c:254 usb_probe_device+0x1ba/0x380 drivers/usb/core/driver.c:294 really_probe+0x2ba/0xad0 drivers/base/dd.c:656 __driver_probe_device+0x1a2/0x390 drivers/base/dd.c:798 driver_probe_device+0x50/0x430 drivers/base/dd.c:828 __device_attach_driver+0x2d6/0x530 drivers/base/dd.c:956 bus_for_each_drv+0x250/0x2e0 drivers/base/bus.c:457 __device_attach+0x333/0x520 drivers/base/dd.c:1028 bus_probe_device+0x189/0x260 drivers/base/bus.c:532 device_add+0x8ff/0xca0 drivers/base/core.c:3720 usb_new_device+0x104a/0x19a0 drivers/usb/core/hub.c:2652 hub_port_connect drivers/usb/core/hub.c:5522 [inline] hub_port_connect_change drivers/usb/core/hub.c:5662 [inline] port_event drivers/usb/core/hub.c:5822 [inline] hub_event+0x2d6a/0x5150 drivers/usb/core/hub.c:5904 process_one_work kernel/workqueue.c:3267 [inline] process_scheduled_works+0xa12/0x17c0 kernel/workqueue.c:3348 worker_thread+0x86d/0xd70 kernel/workqueue.c:3429 kthread+0x2f2/0x390 kernel/kthread.c:388 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Freed by task 5177: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object+0xa6/0xe0 mm/kasan/common.c:240 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2111 [inline] slab_free mm/slub.c:4286 [inline] kfree+0x153/0x3b0 mm/slub.c:4396 xpad_disconnect+0x359/0x490 drivers/input/joystick/xpad.c:2204 usb_unbind_interface+0x260/0x940 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:568 [inline] __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x505/0x7c0 drivers/base/dd.c:1293 bus_remove_device+0x34f/0x420 drivers/base/bus.c:574 device_del+0x57a/0x9e0 drivers/base/core.c:3909 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1418 usb_disconnect+0x340/0x950 drivers/usb/core/hub.c:2305 hub_port_connect drivers/usb/core/hub.c:5362 [inline] hub_port_connect_change drivers/usb/core/hub.c:5662 [inline] port_event drivers/usb/core/hub.c:5822 [inline] hub_event+0x1eb9/0x5150 drivers/usb/core/hub.c:5904 process_one_work kernel/workqueue.c:3267 [inline] process_scheduled_works+0xa12/0x17c0 kernel/workqueue.c:3348 worker_thread+0x86d/0xd70 kernel/workqueue.c:3429 kthread+0x2f2/0x390 kernel/kthread.c:388 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 The buggy address belongs to the object at ffff88802c67b800 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 92 bytes inside of freed 1024-byte region [ffff88802c67b800, ffff88802c67bc00) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2c678 head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 ksm flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000840 ffff888015041dc0 ffffea0001796400 0000000000000003 raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 head: 00fff00000000840 ffff888015041dc0 ffffea0001796400 0000000000000003 head: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 head: 00fff00000000003 ffffea0000b19e01 dead000000000122 00000000ffffffff head: 0000000800000000 0000000000000000 00000000ffffffff 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 0x1d2820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 5187, tgid 1820263461 (kworker/0:7), ts 5187, free_ts 212222152742 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1534 prep_new_page mm/page_alloc.c:1541 [inline] get_page_from_freelist+0x3410/0x35b0 mm/page_alloc.c:3317 __alloc_pages+0x256/0x6c0 mm/page_alloc.c:4575 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page+0x5f/0x160 mm/slub.c:2180 allocate_slab mm/slub.c:2343 [inline] new_slab+0x84/0x2f0 mm/slub.c:2396 ___slab_alloc+0xc73/0x1260 mm/slub.c:3530 __slab_alloc mm/slub.c:3615 [inline] __slab_alloc_node mm/slub.c:3668 [inline] slab_alloc_node mm/slub.c:3841 [inline] __do_kmalloc_node mm/slub.c:3971 [inline] __kmalloc_node_track_caller+0x2d6/0x4f0 mm/slub.c:3992 kmalloc_reserve+0x111/0x2a0 net/core/skbuff.c:599 __alloc_skb+0x1f3/0x440 net/core/skbuff.c:668 alloc_skb include/linux/skbuff.h:1313 [inline] nlmsg_new include/net/netlink.h:1010 [inline] inet6_rt_notify+0xdf/0x290 net/ipv6/route.c:6175 fib6_add_rt2node net/ipv6/ip6_fib.c:1261 [inline] fib6_add+0x1e33/0x4430 net/ipv6/ip6_fib.c:1490 __ip6_ins_rt net/ipv6/route.c:1313 [inline] ip6_route_add+0x8b/0x160 net/ipv6/route.c:3855 addrconf_add_mroute net/ipv6/addrconf.c:2548 [inline] addrconf_add_dev+0x35b/0x540 net/ipv6/addrconf.c:2566 addrconf_dev_config net/ipv6/addrconf.c:3480 [inline] addrconf_init_auto_addrs+0x85f/0xeb0 net/ipv6/addrconf.c:3568 addrconf_notify+0xaff/0x1020 net/ipv6/addrconf.c:3741 notifier_call_chain+0x1a1/0x3e0 kernel/notifier.c:93 page last free pid 2835 tgid 2835 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1141 [inline] free_unref_page_prepare+0x986/0xab0 mm/page_alloc.c:2347 free_unref_page+0x37/0x3f0 mm/page_alloc.c:2487 discard_slab mm/slub.c:2442 [inline] __put_partials+0xeb/0x130 mm/slub.c:2911 put_cpu_partial+0x17c/0x250 mm/slub.c:2986 __slab_free+0x2ea/0x3d0 mm/slub.c:4157 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x5e/0xc0 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:322 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3804 [inline] slab_alloc_node mm/slub.c:3851 [inline] kmalloc_trace+0x16f/0x370 mm/slub.c:3998 kmalloc include/linux/slab.h:628 [inline] kzalloc include/linux/slab.h:749 [inline] mca_alloc net/ipv6/mcast.c:880 [inline] __ipv6_dev_mc_inc+0x426/0xa90 net/ipv6/mcast.c:936 addrconf_join_solict net/ipv6/addrconf.c:2239 [inline] addrconf_dad_begin net/ipv6/addrconf.c:4100 [inline] addrconf_dad_work+0x448/0x16f0 net/ipv6/addrconf.c:4225 process_one_work kernel/workqueue.c:3267 [inline] process_scheduled_works+0xa12/0x17c0 kernel/workqueue.c:3348 worker_thread+0x86d/0xd70 kernel/workqueue.c:3429 kthread+0x2f2/0x390 kernel/kthread.c:388 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Memory state around the buggy address: ffff88802c67b700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88802c67b780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88802c67b800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88802c67b880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88802c67b900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ---------------- Code disassembly (best guess): 0: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1) 4: 48 8b 5c 24 50 mov 0x50(%rsp),%rbx 9: 74 08 je 0x13 b: 48 89 df mov %rbx,%rdi e: e8 fc 61 b9 00 call 0xb9620f 13: 48 8b 44 24 10 mov 0x10(%rsp),%rax 18: 48 89 03 mov %rax,(%rbx) 1b: ba 10 00 00 00 mov $0x10,%edx 20: 4c 89 f7 mov %r14,%rdi 23: 31 f6 xor %esi,%esi 25: e8 c5 63 b9 00 call 0xb963ef * 2a: e9 7d 05 00 00 jmp 0x5ac <-- trapping instruction 2f: e8 5b b5 54 00 call 0x54b58f 34: 48 8b 04 24 mov (%rsp),%rax 38: 48 8d 68 28 lea 0x28(%rax),%rbp 3c: 49 89 ef mov %rbp,%r15 3f: 49 rex.WB