general protection fault, probably for non-canonical address 0xdffffc00000001f3: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000f98-0x0000000000000f9f] CPU: 0 PID: 9 Comm: kworker/u4:0 Tainted: G W 5.13.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_unbound call_usermodehelper_exec_work RIP: 0010:ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:636 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0x8a2/0x1050 drivers/net/wireless/ath/ath9k/hif_usb.c:680 Code: 00 00 00 48 8d 78 08 48 89 fa 48 c1 ea 03 80 3c 1a 00 0f 85 52 05 00 00 48 8b 40 08 48 8d b8 98 0f 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 1a 84 d2 74 09 80 fa 03 0f 8e 1b 05 00 00 83 80 98 0f 00 RSP: 0018:ffffc90000007920 EFLAGS: 00010006 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000100 RDX: 00000000000001f3 RSI: ffffffff85035dfa RDI: 0000000000000f98 RBP: 0000000000000004 R08: 0000000000000000 R09: ffff88804afd1ce3 R10: ffffffff870bb69f R11: 000000000000003f R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88802c57ae80 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffce7a27d80 CR3: 00000000131b6000 CR4: 00000000001506f0 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:1978 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1431 expire_timers kernel/time/timer.c:1476 [inline] __run_timers.part.0+0x675/0xa50 kernel/time/timer.c:1745 __run_timers kernel/time/timer.c:1726 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1758 __do_softirq+0x29b/0x9bd kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x16e/0x1c0 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:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:get_subtree_max_size mm/vmalloc.c:746 [inline] RIP: 0010:find_vmap_lowest_match mm/vmalloc.c:1159 [inline] RIP: 0010:__alloc_vmap_area mm/vmalloc.c:1383 [inline] RIP: 0010:alloc_vmap_area+0x243/0x1e30 mm/vmalloc.c:1492 Code: 6d 10 45 31 f6 4d 85 ed 74 2a e8 78 c0 c5 ff 49 83 fd 10 74 1f e8 6d c0 c5 ff 49 8d 7d 28 48 89 f8 48 c1 e8 03 42 80 3c 20 00 <0f> 85 0a 18 00 00 4d 8b 75 28 e8 4e c0 c5 ff 48 8d 45 f0 48 89 44 RSP: 0018:ffffc90000eff6b8 EFLAGS: 00000246 RAX: 1ffff110026348f7 RBX: ffff888027f0b250 RCX: 0000000000000000 RDX: ffff8880126c2240 RSI: ffffffff81aefe63 RDI: ffff8880131a47b8 RBP: ffff888027f0b250 R08: 0000000000010fff R09: 0000000000000003 R10: ffffffff81af0076 R11: 0000000000086088 R12: dffffc0000000000 R13: ffff8880131a4790 R14: 0000000000000000 R15: ffffc90000000000 __get_vm_area_node.constprop.0+0x128/0x380 mm/vmalloc.c:2371 __vmalloc_node_range+0x12e/0x960 mm/vmalloc.c:2937 alloc_thread_stack_node kernel/fork.c:245 [inline] dup_task_struct kernel/fork.c:875 [inline] copy_process+0x8db/0x74c0 kernel/fork.c:1952 kernel_clone+0xe7/0xab0 kernel/fork.c:2509 kernel_thread+0xb5/0xf0 kernel/fork.c:2561 call_usermodehelper_exec_work kernel/umh.c:174 [inline] call_usermodehelper_exec_work+0xcc/0x180 kernel/umh.c:160 process_one_work+0x98d/0x1630 kernel/workqueue.c:2276 worker_thread+0x658/0x11f0 kernel/workqueue.c:2422 kthread+0x3e5/0x4d0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace 8a20eefbb8edd5a0 ]--- RIP: 0010:ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:636 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0x8a2/0x1050 drivers/net/wireless/ath/ath9k/hif_usb.c:680 Code: 00 00 00 48 8d 78 08 48 89 fa 48 c1 ea 03 80 3c 1a 00 0f 85 52 05 00 00 48 8b 40 08 48 8d b8 98 0f 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 1a 84 d2 74 09 80 fa 03 0f 8e 1b 05 00 00 83 80 98 0f 00 RSP: 0018:ffffc90000007920 EFLAGS: 00010006 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000100 RDX: 00000000000001f3 RSI: ffffffff85035dfa RDI: 0000000000000f98 RBP: 0000000000000004 R08: 0000000000000000 R09: ffff88804afd1ce3 R10: ffffffff870bb69f R11: 000000000000003f R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88802c57ae80 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffce7a27d80 CR3: 00000000131b6000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400