BUG: memory leak unreferenced object 0xffff888041a54000 (size 4096): comm "softirq", pid 0, jiffies 4294761954 (age 251.578s) hex dump (first 32 bytes): 00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de ........"....... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000dbe91dee>] kmalloc include/linux/slab.h:557 [inline] [<00000000dbe91dee>] kzalloc include/linux/slab.h:664 [inline] [<00000000dbe91dee>] sta_info_alloc+0xaa/0x1a70 net/mac80211/sta_info.c:344 [<00000000f4868e14>] ieee80211_ibss_rx_no_sta+0x359/0x790 net/mac80211/ibss.c:1239 [<000000005ba81765>] ieee80211_accept_frame net/mac80211/rx.c:4082 [inline] [<000000005ba81765>] ieee80211_prepare_and_rx_handle+0x21b5/0x57e0 net/mac80211/rx.c:4585 [<0000000069a6930b>] __ieee80211_rx_handle_packet net/mac80211/rx.c:4662 [inline] [<0000000069a6930b>] ieee80211_rx_list+0xde2/0x2350 net/mac80211/rx.c:4842 [<000000005212ca8e>] ieee80211_rx_napi+0xdd/0x380 net/mac80211/rx.c:4863 [<0000000035960f83>] ieee80211_rx include/net/mac80211.h:4502 [inline] [<0000000035960f83>] ieee80211_tasklet_handler+0xd3/0x130 net/mac80211/main.c:235 [<00000000c93c3a12>] tasklet_action_common.constprop.0+0x240/0x2f0 kernel/softirq.c:560 [<000000004665acb7>] __do_softirq+0x1b6/0x86a kernel/softirq.c:298 [<00000000548a5a95>] asm_call_irq_on_stack+0x12/0x20 [<000000002c2adcb2>] __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] [<000000002c2adcb2>] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] [<000000002c2adcb2>] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 [<00000000840fbdb1>] invoke_softirq kernel/softirq.c:393 [inline] [<00000000840fbdb1>] __irq_exit_rcu kernel/softirq.c:423 [inline] [<00000000840fbdb1>] irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:435 [<00000000fb5dd919>] sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1095 [<00000000409ee3d0>] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 [<000000007c89492a>] native_restore_fl arch/x86/include/asm/irqflags.h:41 [inline] [<000000007c89492a>] arch_local_irq_restore arch/x86/include/asm/irqflags.h:84 [inline] [<000000007c89492a>] __call_rcu kernel/rcu/tree.c:2993 [inline] [<000000007c89492a>] call_rcu+0x266/0x9d0 kernel/rcu/tree.c:3034 [<00000000016b5496>] kmemleak_free_recursive include/linux/kmemleak.h:49 [inline] [<00000000016b5496>] slab_free_hook mm/slub.c:1517 [inline] [<00000000016b5496>] slab_free_freelist_hook+0xb0/0x150 mm/slub.c:1575 [<00000000b5081bbe>] slab_free mm/slub.c:3140 [inline] [<00000000b5081bbe>] kfree+0xca/0x360 mm/slub.c:4116 BUG: memory leak unreferenced object 0xffff88800d2a8000 (size 10520): comm "softirq", pid 0, jiffies 4294761954 (age 251.578s) hex dump (first 32 bytes): 48 4e a5 41 80 88 ff ff e3 dd fc ff 00 00 00 00 HN.A............ da 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000006e28f0da>] kmalloc_order_trace+0x14/0xf0 mm/slab_common.c:851 [<0000000032fe0724>] kmalloc_large include/linux/slab.h:481 [inline] [<0000000032fe0724>] kmalloc include/linux/slab.h:545 [inline] [<0000000032fe0724>] kzalloc include/linux/slab.h:664 [inline] [<0000000032fe0724>] minstrel_ht_alloc_sta+0x100/0x250 net/mac80211/rc80211_minstrel_ht.c:1576 [<00000000c0515d71>] rate_control_alloc_sta net/mac80211/rate.h:41 [inline] [<00000000c0515d71>] sta_prepare_rate_control net/mac80211/sta_info.c:328 [inline] [<00000000c0515d71>] sta_info_alloc+0x108b/0x1a70 net/mac80211/sta_info.c:425 [<00000000f4868e14>] ieee80211_ibss_rx_no_sta+0x359/0x790 net/mac80211/ibss.c:1239 [<000000005ba81765>] ieee80211_accept_frame net/mac80211/rx.c:4082 [inline] [<000000005ba81765>] ieee80211_prepare_and_rx_handle+0x21b5/0x57e0 net/mac80211/rx.c:4585 [<0000000069a6930b>] __ieee80211_rx_handle_packet net/mac80211/rx.c:4662 [inline] [<0000000069a6930b>] ieee80211_rx_list+0xde2/0x2350 net/mac80211/rx.c:4842 [<000000005212ca8e>] ieee80211_rx_napi+0xdd/0x380 net/mac80211/rx.c:4863 [<0000000035960f83>] ieee80211_rx include/net/mac80211.h:4502 [inline] [<0000000035960f83>] ieee80211_tasklet_handler+0xd3/0x130 net/mac80211/main.c:235 [<00000000c93c3a12>] tasklet_action_common.constprop.0+0x240/0x2f0 kernel/softirq.c:560 [<000000004665acb7>] __do_softirq+0x1b6/0x86a kernel/softirq.c:298 [<00000000548a5a95>] asm_call_irq_on_stack+0x12/0x20 [<000000002c2adcb2>] __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] [<000000002c2adcb2>] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] [<000000002c2adcb2>] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 [<00000000840fbdb1>] invoke_softirq kernel/softirq.c:393 [inline] [<00000000840fbdb1>] __irq_exit_rcu kernel/softirq.c:423 [inline] [<00000000840fbdb1>] irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:435 [<00000000fb5dd919>] sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1095 [<00000000409ee3d0>] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 [<000000007c89492a>] native_restore_fl arch/x86/include/asm/irqflags.h:41 [inline] [<000000007c89492a>] arch_local_irq_restore arch/x86/include/asm/irqflags.h:84 [inline] [<000000007c89492a>] __call_rcu kernel/rcu/tree.c:2993 [inline] [<000000007c89492a>] call_rcu+0x266/0x9d0 kernel/rcu/tree.c:3034 BUG: memory leak unreferenced object 0xffff88801b197800 (size 1024): comm "softirq", pid 0, jiffies 4294761954 (age 251.578s) hex dump (first 32 bytes): 02 00 00 00 00 01 01 00 0a 26 00 00 da 00 00 00 .........&...... ff ff ff ff 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000394267cb>] kmalloc_array include/linux/slab.h:592 [inline] [<00000000394267cb>] kcalloc include/linux/slab.h:603 [inline] [<00000000394267cb>] minstrel_ht_alloc_sta+0x12e/0x250 net/mac80211/rc80211_minstrel_ht.c:1580 [<00000000c0515d71>] rate_control_alloc_sta net/mac80211/rate.h:41 [inline] [<00000000c0515d71>] sta_prepare_rate_control net/mac80211/sta_info.c:328 [inline] [<00000000c0515d71>] sta_info_alloc+0x108b/0x1a70 net/mac80211/sta_info.c:425 [<00000000f4868e14>] ieee80211_ibss_rx_no_sta+0x359/0x790 net/mac80211/ibss.c:1239 [<000000005ba81765>] ieee80211_accept_frame net/mac80211/rx.c:4082 [inline] [<000000005ba81765>] ieee80211_prepare_and_rx_handle+0x21b5/0x57e0 net/mac80211/rx.c:4585 [<0000000069a6930b>] __ieee80211_rx_handle_packet net/mac80211/rx.c:4662 [inline] [<0000000069a6930b>] ieee80211_rx_list+0xde2/0x2350 net/mac80211/rx.c:4842 [<000000005212ca8e>] ieee80211_rx_napi+0xdd/0x380 net/mac80211/rx.c:4863 [<0000000035960f83>] ieee80211_rx include/net/mac80211.h:4502 [inline] [<0000000035960f83>] ieee80211_tasklet_handler+0xd3/0x130 net/mac80211/main.c:235 [<00000000c93c3a12>] tasklet_action_common.constprop.0+0x240/0x2f0 kernel/softirq.c:560 [<000000004665acb7>] __do_softirq+0x1b6/0x86a kernel/softirq.c:298 [<00000000548a5a95>] asm_call_irq_on_stack+0x12/0x20 [<000000002c2adcb2>] __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] [<000000002c2adcb2>] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] [<000000002c2adcb2>] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 [<00000000840fbdb1>] invoke_softirq kernel/softirq.c:393 [inline] [<00000000840fbdb1>] __irq_exit_rcu kernel/softirq.c:423 [inline] [<00000000840fbdb1>] irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:435 [<00000000fb5dd919>] sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1095 [<00000000409ee3d0>] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 [<000000007c89492a>] native_restore_fl arch/x86/include/asm/irqflags.h:41 [inline] [<000000007c89492a>] arch_local_irq_restore arch/x86/include/asm/irqflags.h:84 [inline] [<000000007c89492a>] __call_rcu kernel/rcu/tree.c:2993 [inline] [<000000007c89492a>] call_rcu+0x266/0x9d0 kernel/rcu/tree.c:3034 [<00000000016b5496>] kmemleak_free_recursive include/linux/kmemleak.h:49 [inline] [<00000000016b5496>] slab_free_hook mm/slub.c:1517 [inline] [<00000000016b5496>] slab_free_freelist_hook+0xb0/0x150 mm/slub.c:1575 BUG: leak checking failed