usb 1-1: received invalid command response:got 60, instead of 4 ================================================================== BUG: KASAN: stack-out-of-bounds in carl9170_cmd_callback drivers/net/wireless/ath/carl9170/rx.c:153 [inline] BUG: KASAN: stack-out-of-bounds in carl9170_handle_command_response+0x21f/0xc50 drivers/net/wireless/ath/carl9170/rx.c:168 Write of size 60 at addr ffffc9000381fa30 by task syz.0.1115/9416 CPU: 1 UID: 0 PID: 9416 Comm: syz.0.1115 Not tainted syzkaller #0 PREEMPT(lazy) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x13d/0x4b0 mm/kasan/report.c:482 kasan_report+0xdf/0x1c0 mm/kasan/report.c:595 check_region_inline mm/kasan/generic.c:186 [inline] kasan_check_range+0x10f/0x1e0 mm/kasan/generic.c:200 __asan_memcpy+0x3c/0x60 mm/kasan/shadow.c:106 carl9170_cmd_callback drivers/net/wireless/ath/carl9170/rx.c:153 [inline] carl9170_handle_command_response+0x21f/0xc50 drivers/net/wireless/ath/carl9170/rx.c:168 carl9170_usb_rx_irq_complete+0xfc/0x1b0 drivers/net/wireless/ath/carl9170/usb.c:307 __usb_hcd_giveback_urb+0x38d/0x610 drivers/usb/core/hcd.c:1657 usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1741 dummy_timer+0xda1/0x36c0 drivers/usb/gadget/udc/dummy_hcd.c:2005 __run_hrtimer kernel/time/hrtimer.c:2032 [inline] __hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2096 hrtimer_run_softirq+0x17d/0x2c0 kernel/time/hrtimer.c:2113 handle_softirqs+0x1dd/0x990 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x160/0x210 kernel/softirq.c:735 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0x8f/0xb0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:check_region_inline mm/kasan/generic.c:185 [inline] RIP: 0010:kasan_check_range+0x1a/0x1e0 mm/kasan/generic.c:200 Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 85 f6 0f 84 7a 01 00 00 48 89 f8 41 54 41 89 d0 48 01 f0 55 53 <0f> 82 e6 00 00 00 eb 0f cc cc cc 48 b8 00 00 00 00 00 00 00 ff eb RSP: 0018:ffffc9000199fa98 EFLAGS: 00000286 RAX: ffffc9000199fb6c RBX: 0000000000000014 RCX: ffffffff82a8a565 RDX: 0000000000000001 RSI: 0000000000000014 RDI: ffffc9000199fb58 RBP: ffff88810ef5beac R08: 0000000000000001 R09: ffffed1021deb7d7 R10: ffff88810ef5bebf R11: 0000000000000000 R12: ffffc9000199fb58 R13: ffffc9000199fc98 R14: 0000000000000001 R15: ffff88810cb990c8 __asan_memcpy+0x3c/0x60 mm/kasan/shadow.c:106 avc_has_extended_perms+0x275/0x1080 security/selinux/avc.c:1045 ioctl_has_perm.constprop.0.isra.0+0x376/0x540 security/selinux/hooks.c:3890 selinux_file_ioctl+0x13b/0x290 security/selinux/hooks.c:3938 security_file_ioctl+0x48/0x90 security/security.c:2512 __do_sys_ioctl fs/ioctl.c:591 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __x64_sys_ioctl+0xb7/0x210 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x10b/0x7f0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fae8ce8db2b Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 RSP: 002b:00007fae8b8e5f60 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000083 RCX: 00007fae8ce8db2b RDX: 00007fae8b8e5fe0 RSI: 0000000040085507 RDI: 0000000000000003 RBP: 0000000000000003 R08: 00007fae8d240320 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000200000000240 R13: 000000000000000c R14: 00007fae8d115fa0 R15: 00007ffd73fd07d8 The buggy address belongs to a vmalloc virtual mapping The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11eda7 flags: 0x200000000000000(node=0|zone=2) raw: 0200000000000000 0000000000000000 ffffea00047b69c8 0000000000000000 raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x29c2(GFP_NOWAIT|__GFP_HIGHMEM|__GFP_IO|__GFP_FS|__GFP_ZERO), pid 2968, tgid 2968 (syz-executor), ts 92325019995, free_ts 65307104722 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859 prep_new_page mm/page_alloc.c:1867 [inline] get_page_from_freelist+0xf25/0x3400 mm/page_alloc.c:3946 __alloc_frozen_pages_noprof+0x28f/0x2b90 mm/page_alloc.c:5304 alloc_pages_mpol+0xe8/0x410 mm/mempolicy.c:2490 alloc_pages_noprof+0x1a/0x160 mm/mempolicy.c:2581 vm_area_alloc_pages mm/vmalloc.c:3667 [inline] __vmalloc_area_node mm/vmalloc.c:3892 [inline] __vmalloc_node_range_noprof+0xf9a/0x1630 mm/vmalloc.c:4082 __vmalloc_node_noprof+0xad/0xf0 mm/vmalloc.c:4143 alloc_thread_stack_node kernel/fork.c:359 [inline] dup_task_struct kernel/fork.c:929 [inline] copy_process+0x7fb/0x7dd0 kernel/fork.c:2115 kernel_clone+0x176/0x9d0 kernel/fork.c:2748 __do_sys_clone+0xd9/0x120 kernel/fork.c:2889 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x10b/0x7f0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 4163 tgid 4163 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] __free_pages_prepare mm/page_alloc.c:1406 [inline] __free_frozen_pages+0x716/0xf50 mm/page_alloc.c:2950 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x4e/0x70 mm/kasan/common.c:350 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4612 [inline] slab_alloc_node mm/slub.c:4945 [inline] kmem_cache_alloc_noprof+0x2e2/0x640 mm/slub.c:4959 anon_vma_chain_alloc mm/rmap.c:142 [inline] __anon_vma_prepare+0xae/0x5e0 mm/rmap.c:194 __vmf_anon_prepare+0x11f/0x250 mm/memory.c:3829 vmf_anon_prepare mm/internal.h:494 [inline] do_anonymous_page mm/memory.c:5338 [inline] do_pte_missing mm/memory.c:4564 [inline] handle_pte_fault mm/memory.c:6379 [inline] __handle_mm_fault+0x14ec/0x2780 mm/memory.c:6517 handle_mm_fault+0x37b/0xa30 mm/memory.c:6686 do_user_addr_fault+0x5ae/0x11d0 arch/x86/mm/fault.c:1343 handle_page_fault arch/x86/mm/fault.c:1483 [inline] exc_page_fault+0x66/0xc0 arch/x86/mm/fault.c:1536 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595 Memory state around the buggy address: ffffc9000381f900: f1 f1 00 00 00 f3 f3 f3 f3 f3 00 00 00 00 00 00 ffffc9000381f980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffffc9000381fa00: f1 f1 f1 f1 f1 f1 04 f2 04 f3 f3 f3 00 00 00 00 ^ ffffc9000381fa80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffc9000381fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ================================================================== ---------------- Code disassembly (best guess): 0: 90 nop 1: 90 nop 2: 90 nop 3: 90 nop 4: 90 nop 5: 90 nop 6: 90 nop 7: 90 nop 8: 90 nop 9: 90 nop a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 0f 1f 40 d6 nopl -0x2a(%rax) 14: 48 85 f6 test %rsi,%rsi 17: 0f 84 7a 01 00 00 je 0x197 1d: 48 89 f8 mov %rdi,%rax 20: 41 54 push %r12 22: 41 89 d0 mov %edx,%r8d 25: 48 01 f0 add %rsi,%rax 28: 55 push %rbp 29: 53 push %rbx * 2a: 0f 82 e6 00 00 00 jb 0x116 <-- trapping instruction 30: eb 0f jmp 0x41 32: cc int3 33: cc int3 34: cc int3 35: 48 b8 00 00 00 00 00 movabs $0xff00000000000000,%rax 3c: 00 00 ff 3f: eb .byte 0xeb