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: 174 Comm: kworker/u4:4 Not tainted 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy3 ieee80211_iface_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:ffffc90000007928 EFLAGS: 00010006 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000100 RDX: 00000000000001f3 RSI: ffffffff84f4578a RDI: 0000000000000f98 RBP: 000000000000008c R08: 0000000000000000 R09: ffff88802e0e22e3 R10: ffffffff86f71cff R11: 000000000000003f R12: 0000000000000088 R13: 0000000000000000 R14: 0000000000000088 R15: ffff88801e77b300 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005680c0 CR3: 00000000243ed000 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+0x11f4/0x32a0 drivers/usb/gadget/udc/dummy_hcd.c:1971 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1431 expire_timers kernel/time/timer.c:1476 [inline] __run_timers.part.0+0x67c/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/0x9f6 kernel/softirq.c:345 invoke_softirq kernel/softirq.c:221 [inline] __irq_exit_rcu kernel/softirq.c:422 [inline] irq_exit_rcu+0x134/0x200 kernel/softirq.c:434 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:632 RIP: 0010:preempt_count_sub+0x1a/0x150 kernel/sched/core.c:4755 Code: 00 eb 90 e8 e8 f8 68 00 eb ac 66 0f 1f 44 00 00 48 c7 c0 60 c7 e2 8f 53 89 fb 48 ba 00 00 00 00 00 fc ff df 48 89 c1 83 e0 07 <48> c1 e9 03 83 c0 03 0f b6 14 11 38 d0 7c 08 84 d2 0f 85 e4 00 00 RSP: 0018:ffffc90001646b68 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8fe2c760 RDX: dffffc0000000000 RSI: ffffc90001647f28 RDI: 0000000000000001 RBP: ffffc90001647f58 R08: ffffffff8e3db13e R09: 0000000000000001 R10: fffff520002c8d95 R11: 0000000000084087 R12: ffffc90001640000 R13: ffffc90001646c85 R14: ffffc90001646c50 R15: ffffc90001646c84 unwind_next_frame+0xec8/0x1ce0 arch/x86/kernel/unwind_orc.c:611 arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:427 [inline] ____kasan_kmalloc mm/kasan/common.c:506 [inline] ____kasan_kmalloc mm/kasan/common.c:465 [inline] __kasan_kmalloc+0x96/0xc0 mm/kasan/common.c:515 kasan_kmalloc include/linux/kasan.h:233 [inline] __do_kmalloc mm/slab.c:3695 [inline] __kmalloc+0x221/0x490 mm/slab.c:3704 cfg80211_inform_single_bss_frame_data+0x2fc/0xee0 net/wireless/scan.c:2374 cfg80211_inform_bss_frame_data+0xa7/0xb10 net/wireless/scan.c:2435 ieee80211_bss_info_update+0x3ce/0xb20 net/mac80211/scan.c:190 ieee80211_rx_bss_info net/mac80211/ibss.c:1126 [inline] ieee80211_rx_mgmt_probe_beacon+0xccd/0x16b0 net/mac80211/ibss.c:1615 ieee80211_ibss_rx_queued_mgmt+0xe43/0x1870 net/mac80211/ibss.c:1642 ieee80211_iface_work+0x761/0x9e0 net/mac80211/iface.c:1439 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Modules linked in: ---[ end trace cf7e8076d967312b ]--- 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:ffffc90000007928 EFLAGS: 00010006 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000100 RDX: 00000000000001f3 RSI: ffffffff84f4578a RDI: 0000000000000f98 RBP: 000000000000008c R08: 0000000000000000 R09: ffff88802e0e22e3 R10: ffffffff86f71cff R11: 000000000000003f R12: 0000000000000088 R13: 0000000000000000 R14: 0000000000000088 R15: ffff88801e77b300 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005680c0 CR3: 00000000243ed000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400