general protection fault, probably for non-canonical address 0xdffffc00000001f3: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000f98-0x0000000000000f9f] CPU: 1 PID: 24382 Comm: syz-executor.5 Not tainted 5.15.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:615 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0xbe6/0x10b0 drivers/net/wireless/ath/ath9k/hif_usb.c:680 Code: 00 00 00 49 8d 7e 08 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 73 04 00 00 4d 8b 76 08 49 8d be 98 0f 00 00 48 89 f8 48 c1 e8 03 <0f> b6 04 18 84 c0 74 08 3c 03 0f 8e 47 04 00 00 41 83 86 98 0f 00 RSP: 0018:ffffc90000dc0920 EFLAGS: 00010006 RAX: 00000000000001f3 RBX: dffffc0000000000 RCX: ffffc90001e72000 RDX: 0000000000040000 RSI: ffffffff850c7fae RDI: 0000000000000f98 RBP: 0000000000004014 R08: 0000000000000000 R09: ffff888036fbfee3 R10: ffffffff8718222f R11: 000000000000003f R12: ffff888014bdb41c R13: ffff8880293db640 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000002fa26000 CR3: 0000000024fcc000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1656 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1726 dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734 __run_timers kernel/time/timer.c:1715 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:instrument_atomic_read include/linux/instrumented.h:71 [inline] RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline] RIP: 0010:lock_page_memcg+0x1bf/0x7d0 mm/memcontrol.c:1994 Code: 1e c3 81 58 e8 02 32 98 ff 4d 85 ed 0f 85 a7 03 00 00 9c 58 f6 c4 02 0f 85 fc 03 00 00 4d 85 ed 74 01 fb 4c 8d ab 80 10 00 00 04 00 00 00 4c 89 ef e8 d4 38 fa ff 4c 89 e8 48 be 00 00 00 00 RSP: 0018:ffffc900031476e8 EFLAGS: 00000206 RAX: 0000000000000006 RBX: ffff888011e9c000 RCX: 1ffffffff1fa0532 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90003147730 R08: 0000000000000001 R09: ffffffff8fcfb937 R10: 0000000000000001 R11: 0000000000000000 R12: ffffea000213ee48 R13: ffff888011e9d080 R14: fffff94000427dc9 R15: ffffea000213ee40 page_remove_rmap+0x25/0x1480 mm/rmap.c:1348 zap_pte_range mm/memory.c:1362 [inline] zap_pmd_range mm/memory.c:1481 [inline] zap_pud_range mm/memory.c:1510 [inline] zap_p4d_range mm/memory.c:1531 [inline] unmap_page_range+0xed5/0x2a10 mm/memory.c:1552 unmap_single_vma+0x198/0x310 mm/memory.c:1597 unmap_vmas+0x16d/0x2f0 mm/memory.c:1629 exit_mmap+0x1d0/0x630 mm/mmap.c:3171 __mmput+0x122/0x4b0 kernel/fork.c:1115 mmput+0x58/0x60 kernel/fork.c:1136 exit_mm kernel/exit.c:501 [inline] do_exit+0xabc/0x2a30 kernel/exit.c:812 do_group_exit+0x125/0x310 kernel/exit.c:922 get_signal+0x47f/0x2160 kernel/signal.c:2868 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:865 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300 __do_fast_syscall_32+0x72/0xf0 arch/x86/entry/common.c:181 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf6eca549 Code: Unable to access opcode bytes at RIP 0xf6eca51f. RSP: 002b:00000000f44c467c EFLAGS: 00000296 ORIG_RAX: 00000000000000f0 RAX: fffffffffffffe00 RBX: 00000000f7026fa8 RCX: 0000000000000080 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000f7026fac RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace bb0389475da06304 ]--- RIP: 0010:ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:615 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0xbe6/0x10b0 drivers/net/wireless/ath/ath9k/hif_usb.c:680 Code: 00 00 00 49 8d 7e 08 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 73 04 00 00 4d 8b 76 08 49 8d be 98 0f 00 00 48 89 f8 48 c1 e8 03 <0f> b6 04 18 84 c0 74 08 3c 03 0f 8e 47 04 00 00 41 83 86 98 0f 00 RSP: 0018:ffffc90000dc0920 EFLAGS: 00010006 RAX: 00000000000001f3 RBX: dffffc0000000000 RCX: ffffc90001e72000 RDX: 0000000000040000 RSI: ffffffff850c7fae RDI: 0000000000000f98 RBP: 0000000000004014 R08: 0000000000000000 R09: ffff888036fbfee3 R10: ffffffff8718222f R11: 000000000000003f R12: ffff888014bdb41c R13: ffff8880293db640 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000002fa26000 CR3: 0000000024fcc000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 49 8d add %cl,-0x73(%rcx) 5: 7e 08 jle 0xf 7: 48 89 f8 mov %rdi,%rax a: 48 c1 e8 03 shr $0x3,%rax e: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) 12: 0f 85 73 04 00 00 jne 0x48b 18: 4d 8b 76 08 mov 0x8(%r14),%r14 1c: 49 8d be 98 0f 00 00 lea 0xf98(%r14),%rdi 23: 48 89 f8 mov %rdi,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 0f b6 04 18 movzbl (%rax,%rbx,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 74 08 je 0x3a 32: 3c 03 cmp $0x3,%al 34: 0f 8e 47 04 00 00 jle 0x481 3a: 41 rex.B 3b: 83 .byte 0x83 3c: 86 .byte 0x86 3d: 98 cwtl 3e: 0f .byte 0xf