xpad 5-1:179.65: xpad_irq_in - usb_submit_urb failed with result -19 xpad 5-1:179.65: 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 ffff8880797c685c by task syz-executor.2/7239 CPU: 1 PID: 7239 Comm: syz-executor.2 Not tainted 6.9.0-rc7-syzkaller-00188-gba16c1cf11c9 #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+0x18e/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+0x2d6/0x990 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:memset_orig+0x79/0xb0 arch/x86/lib/memset_64.S:91 Code: 89 47 38 48 8d 7f 40 75 d8 0f 1f 84 00 00 00 00 00 89 d1 83 e1 38 74 14 c1 e9 03 66 0f 1f 44 00 00 ff c9 48 89 07 48 8d 7f 08 <75> f5 83 e2 07 74 0a ff ca 88 07 48 8d 7f 01 75 f6 4c 89 d0 c3 cc RSP: 0018:ffffc90004aeef70 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffff888078febc00 RCX: 0000000000000002 RDX: 0000000000000060 RSI: 0000000000000000 RDI: ffffc90004aef030 RBP: dffffc0000000000 R08: ffffc90004aef03f R09: 0000000000000000 R10: ffffc90004aeefe0 R11: fffff5200095de08 R12: 0000000000000000 R13: ffffffff8181e7c0 R14: ffffc90004aeefe0 R15: 0000000000000000 __unwind_start+0x3e/0x7c0 arch/x86/kernel/unwind_orc.c:688 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0x103/0x1b0 arch/x86/kernel/stacktrace.c:24 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 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] __do_kmalloc_node mm/slub.c:3972 [inline] __kmalloc_node+0x253/0x4f0 mm/slub.c:3979 kmalloc_node include/linux/slab.h:648 [inline] __vmalloc_area_node mm/vmalloc.c:3623 [inline] __vmalloc_node_range+0x5f9/0x1490 mm/vmalloc.c:3818 __vmalloc_node mm/vmalloc.c:3883 [inline] vzalloc+0x79/0x90 mm/vmalloc.c:3956 alloc_counters+0xd7/0x760 net/ipv4/netfilter/ip_tables.c:799 copy_entries_to_user net/ipv4/netfilter/ip_tables.c:821 [inline] get_entries net/ipv4/netfilter/ip_tables.c:1022 [inline] do_ipt_get_ctl+0xecc/0x1810 net/ipv4/netfilter/ip_tables.c:1668 nf_getsockopt+0x299/0x2c0 net/netfilter/nf_sockopt.c:116 ip_getsockopt+0x222/0x2e0 net/ipv4/ip_sockglue.c:1777 tcp_getsockopt+0x163/0x1c0 net/ipv4/tcp.c:4375 do_sock_getsockopt+0x373/0x850 net/socket.c:2373 __sys_getsockopt+0x271/0x330 net/socket.c:2402 __do_sys_getsockopt net/socket.c:2412 [inline] __se_sys_getsockopt net/socket.c:2409 [inline] __x64_sys_getsockopt+0xb5/0xd0 net/socket.c:2409 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: 0033:0x7fd8d047f90a Code: c4 c1 e0 1a 0d 00 00 04 00 89 01 e9 e0 fe ff ff e8 3b 05 00 00 66 2e 0f 1f 84 00 00 00 00 00 90 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 b0 ff ff ff f7 RSP: 002b:00007fd8d06cf668 EFLAGS: 00000202 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00007fd8d06cf6f0 RCX: 00007fd8d047f90a RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000003 R08: 00007fd8d06cf68c R09: 00007fd8d06cfaa7 R10: 00007fd8d06cf6f0 R11: 0000000000000202 R12: 00007fd8d057d3c0 R13: 00007fd8d06cf68c R14: 0000000000000000 R15: 00007fd8d057eec0 Allocated by task 5162: 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+0x645/0xbb0 drivers/usb/core/driver.c:399 really_probe+0x2b8/0xad0 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+0x24e/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+0x1b8/0x380 drivers/usb/core/driver.c:294 really_probe+0x2b8/0xad0 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+0x24e/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+0xa10/0x17c0 kernel/workqueue.c:3348 worker_thread+0x86d/0xd70 kernel/workqueue.c:3429 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Freed by task 5155: 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+0x25e/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+0x503/0x7c0 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+0xa10/0x17c0 kernel/workqueue.c:3348 worker_thread+0x86d/0xd70 kernel/workqueue.c:3429 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/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 ffff8880797c6800 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 92 bytes inside of freed 1024-byte region [ffff8880797c6800, ffff8880797c6c00) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x797c0 head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000840 ffff888015041dc0 dead000000000100 dead000000000122 raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 head: 00fff00000000840 ffff888015041dc0 dead000000000100 dead000000000122 head: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 head: 00fff00000000003 ffffea0001e5f001 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 2888, tgid 2888 (kworker/u8:14), ts 133943067536, free_ts 133904021198 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_del_route net/ipv6/ip6_fib.c:2007 [inline] fib6_del+0x10c5/0x1600 net/ipv6/ip6_fib.c:2042 fib6_clean_node+0x2f7/0x5e0 net/ipv6/ip6_fib.c:2204 fib6_walk_continue+0x658/0x8f0 net/ipv6/ip6_fib.c:2126 fib6_walk+0x168/0x2b0 net/ipv6/ip6_fib.c:2174 fib6_clean_tree net/ipv6/ip6_fib.c:2254 [inline] __fib6_clean_all+0x31f/0x4b0 net/ipv6/ip6_fib.c:2270 rt6_sync_down_dev net/ipv6/route.c:4903 [inline] rt6_disable_ip+0x170/0x890 net/ipv6/route.c:4908 page last free pid 2888 tgid 2888 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] mld_add_delrec net/ipv6/mcast.c:742 [inline] igmp6_leave_group net/ipv6/mcast.c:2624 [inline] igmp6_group_dropped+0x3a6/0xef0 net/ipv6/mcast.c:722 __ipv6_dev_mc_dec+0x2bd/0x340 net/ipv6/mcast.c:978 addrconf_leave_solict net/ipv6/addrconf.c:2251 [inline] __ipv6_ifa_notify+0x912/0x11f0 net/ipv6/addrconf.c:6282 addrconf_ifdown+0xeea/0x1bc0 net/ipv6/addrconf.c:3978 addrconf_notify+0x3cb/0x1020 notifier_call_chain+0x19f/0x3e0 kernel/notifier.c:93 call_netdevice_notifiers_extack net/core/dev.c:1988 [inline] call_netdevice_notifiers net/core/dev.c:2002 [inline] dev_close_many+0x33c/0x4c0 net/core/dev.c:1543 Memory state around the buggy address: ffff8880797c6700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8880797c6780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8880797c6800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880797c6880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880797c6900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ---------------- Code disassembly (best guess): 0: 89 47 38 mov %eax,0x38(%rdi) 3: 48 8d 7f 40 lea 0x40(%rdi),%rdi 7: 75 d8 jne 0xffffffe1 9: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 10: 00 11: 89 d1 mov %edx,%ecx 13: 83 e1 38 and $0x38,%ecx 16: 74 14 je 0x2c 18: c1 e9 03 shr $0x3,%ecx 1b: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 21: ff c9 dec %ecx 23: 48 89 07 mov %rax,(%rdi) 26: 48 8d 7f 08 lea 0x8(%rdi),%rdi * 2a: 75 f5 jne 0x21 <-- trapping instruction 2c: 83 e2 07 and $0x7,%edx 2f: 74 0a je 0x3b 31: ff ca dec %edx 33: 88 07 mov %al,(%rdi) 35: 48 8d 7f 01 lea 0x1(%rdi),%rdi 39: 75 f6 jne 0x31 3b: 4c 89 d0 mov %r10,%rax 3e: c3 ret 3f: cc int3