haley: catch dev null, urb 0xffff8881cf923d00. ath9k_hif_usb_rx_cb, 658 general protection fault, probably for non-canonical address 0xdffffc0000000015: 0000 [#1] SMP KASAN KASAN: null-ptr-deref in range [0x00000000000000a8-0x00000000000000af] CPU: 0 PID: 155 Comm: systemd-udevd Not tainted 5.6.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:usb_get_intfdata include/linux/usb.h:265 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0x153/0x1050 drivers/net/wireless/ath/ath9k/hif_usb.c:665 Code: 83 3c 24 00 48 89 c3 0f 84 11 04 00 00 e8 e5 bd 6e fe 48 8d bb a8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 0b 0d 00 00 4c 8b b3 a8 00 00 00 4d 85 f6 0f 84 RSP: 0018:ffff8881db209928 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff835eeebc RDX: 0000000000000015 RSI: ffffffff82d09a3b RDI: 00000000000000a8 RBP: ffff8881cf923d40 R08: ffff8881d23e4980 R09: ffffed103b646248 R10: ffffed103b646247 R11: ffff8881db23123f R12: ffff8881d8dc8000 R13: ffff8881d4c8f000 R14: ffff8881d88631c8 R15: ffff8881cf923d00 FS: 00007f003751c8c0(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563119e80d58 CR3: 00000001cf92f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __usb_hcd_giveback_urb+0x1f2/0x470 drivers/usb/core/hcd.c:1648 usb_hcd_giveback_urb+0x368/0x420 drivers/usb/core/hcd.c:1713 dummy_timer+0x1258/0x32ae drivers/usb/gadget/udc/dummy_hcd.c:1966 call_timer_fn+0x195/0x6f0 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x5f9/0x1500 kernel/time/timer.c:1786 __do_softirq+0x21e/0x950 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x178/0x1a0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:546 [inline] smp_apic_timer_interrupt+0x141/0x540 arch/x86/kernel/apic/apic.c:1146 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:unwind_next_frame+0x779/0x19e0 arch/x86/kernel/unwind_orc.c:428 Code: 0f b6 0c 0f 4c 89 cf 83 e7 07 40 38 fe 40 0f 9e c7 40 84 f6 40 0f 95 c6 40 84 f7 0f 85 bd 0b 00 00 83 e2 07 38 d1 40 0f 9e c6 <84> c9 0f 95 c2 40 84 d6 0f 85 a6 0b 00 00 83 e0 0f 3c 09 0f 87 2e RSP: 0018:ffff8881cf8f7530 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000014 RBX: ffff8881cf8f7608 RCX: 0000000000000000 RDX: 0000000000000005 RSI: 0000000000000001 RDI: 0000000000000001 RBP: 1ffff11039f1eeae R08: ffffffff882c6a30 R09: ffffffff882c6a34 R10: 0000000000006790 R11: 000000000004c01a R12: ffff8881cf8f763d R13: ffff8881cf8f7658 R14: ffff8881cf8f7650 R15: 0000000000000001 arch_stack_walk+0x74/0xd0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:123 save_stack+0x1b/0x80 mm/kasan/common.c:72 set_track mm/kasan/common.c:80 [inline] __kasan_kmalloc mm/kasan/common.c:515 [inline] __kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:488 slab_post_alloc_hook mm/slab.h:584 [inline] slab_alloc_node mm/slub.c:2786 [inline] slab_alloc mm/slub.c:2794 [inline] kmem_cache_alloc+0xd8/0x300 mm/slub.c:2799 anon_vma_chain_alloc mm/rmap.c:130 [inline] anon_vma_clone+0x10e/0x5d0 mm/rmap.c:289 anon_vma_fork+0x82/0x490 mm/rmap.c:352 dup_mmap kernel/fork.c:559 [inline] dup_mm+0x8e6/0x1180 kernel/fork.c:1360 copy_mm kernel/fork.c:1416 [inline] copy_process+0x26ef/0x6640 kernel/fork.c:2081 _do_fork+0x12d/0xfd0 kernel/fork.c:2430 __do_sys_clone kernel/fork.c:2585 [inline] __se_sys_clone kernel/fork.c:2566 [inline] __x64_sys_clone+0x182/0x210 kernel/fork.c:2566 do_syscall_64+0xb6/0x5a0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f003636c38b Code: db 45 85 f6 0f 85 95 01 00 00 64 4c 8b 04 25 10 00 00 00 31 d2 4d 8d 90 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 de 00 00 00 85 c0 41 89 c5 0f 85 e5 00 00 RSP: 002b:00007ffd35e3e1b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffd35e3e1b0 RCX: 00007f003636c38b RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffd35e3e200 R08: 00007f003751c8c0 R09: 0000000000000210 R10: 00007f003751cb90 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000020 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace a3086d59686f9a7e ]--- RIP: 0010:usb_get_intfdata include/linux/usb.h:265 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0x153/0x1050 drivers/net/wireless/ath/ath9k/hif_usb.c:665 Code: 83 3c 24 00 48 89 c3 0f 84 11 04 00 00 e8 e5 bd 6e fe 48 8d bb a8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 0b 0d 00 00 4c 8b b3 a8 00 00 00 4d 85 f6 0f 84 RSP: 0018:ffff8881db209928 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff835eeebc RDX: 0000000000000015 RSI: ffffffff82d09a3b RDI: 00000000000000a8 RBP: ffff8881cf923d40 R08: ffff8881d23e4980 R09: ffffed103b646248 R10: ffffed103b646247 R11: ffff8881db23123f R12: ffff8881d8dc8000 R13: ffff8881d4c8f000 R14: ffff8881d88631c8 R15: ffff8881cf923d00 FS: 00007f003751c8c0(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563119e80d58 CR3: 00000001cf92f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400