===================================================== BUG: KMSAN: uninit-value in ieee80211_ac_from_tid net/mac80211/ieee80211_i.h:2050 [inline] BUG: KMSAN: uninit-value in ieee80211_sta_tx_wmm_ac_notify net/mac80211/mlme.c:2524 [inline] BUG: KMSAN: uninit-value in ieee80211_sta_tx_notify+0x3b1/0x920 net/mac80211/mlme.c:2556 CPU: 0 PID: 27704 Comm: kworker/u4:3 Tainted: G W 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy14 ieee80211_beacon_connection_loss_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 ieee80211_ac_from_tid net/mac80211/ieee80211_i.h:2050 [inline] ieee80211_sta_tx_wmm_ac_notify net/mac80211/mlme.c:2524 [inline] ieee80211_sta_tx_notify+0x3b1/0x920 net/mac80211/mlme.c:2556 ieee80211_tx_status_ext+0x1291/0x4fa0 net/mac80211/status.c:1116 ieee80211_tx_status+0x221/0x270 net/mac80211/status.c:1059 ieee80211_tasklet_handler+0x322/0x390 net/mac80211/main.c:239 tasklet_action_common+0x3de/0x640 kernel/softirq.c:557 tasklet_action+0x30/0x40 kernel/softirq.c:577 __do_softirq+0x1b9/0x715 kernel/softirq.c:345 do_softirq+0x123/0x1c0 kernel/softirq.c:248 __local_bh_enable_ip+0xa1/0xb0 kernel/softirq.c:198 local_bh_enable+0x36/0x40 include/linux/bottom_half.h:32 __ieee80211_tx_skb_tid_band+0x28f/0x390 net/mac80211/tx.c:5404 ieee80211_tx_skb_tid net/mac80211/ieee80211_i.h:2019 [inline] ieee80211_tx_skb net/mac80211/ieee80211_i.h:2028 [inline] ieee80211_send_nullfunc+0x59a/0x6e0 net/mac80211/mlme.c:1120 ieee80211_mgd_probe_ap_send+0x88d/0xb30 net/mac80211/mlme.c:2621 ieee80211_mgd_probe_ap+0x52c/0x6e0 net/mac80211/mlme.c:2697 ieee80211_beacon_connection_loss_work+0x19b/0x420 net/mac80211/mlme.c:2830 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Uninit was created at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline] kmsan_internal_poison_shadow+0x5c/0xf0 mm/kmsan/kmsan.c:104 kmsan_slab_alloc+0x8e/0xe0 mm/kmsan/kmsan_hooks.c:76 slab_alloc_node mm/slub.c:2922 [inline] __kmalloc_node_track_caller+0xa4f/0x1470 mm/slub.c:4609 kmalloc_reserve net/core/skbuff.c:353 [inline] __alloc_skb+0x4dd/0xe90 net/core/skbuff.c:424 __netdev_alloc_skb+0x45d/0x810 net/core/skbuff.c:491 netdev_alloc_skb include/linux/skbuff.h:2864 [inline] dev_alloc_skb include/linux/skbuff.h:2877 [inline] ieee80211_nullfunc_get+0x2b6/0x820 net/mac80211/tx.c:5118 ieee80211_send_nullfunc+0x216/0x6e0 net/mac80211/mlme.c:1102 ieee80211_mgd_probe_ap_send+0x88d/0xb30 net/mac80211/mlme.c:2621 ieee80211_mgd_probe_ap+0x52c/0x6e0 net/mac80211/mlme.c:2697 ieee80211_beacon_connection_loss_work+0x19b/0x420 net/mac80211/mlme.c:2830 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 ===================================================== ===================================================== BUG: KMSAN: uninit-value in ieee80211_ac_from_tid net/mac80211/ieee80211_i.h:2050 [inline] BUG: KMSAN: uninit-value in ieee80211_sta_tx_wmm_ac_notify net/mac80211/mlme.c:2524 [inline] BUG: KMSAN: uninit-value in ieee80211_sta_tx_notify+0x3b1/0x920 net/mac80211/mlme.c:2556 CPU: 0 PID: 601 Comm: kworker/u4:6 Tainted: G B W 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy14 ieee80211_beacon_connection_loss_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 ieee80211_ac_from_tid net/mac80211/ieee80211_i.h:2050 [inline] ieee80211_sta_tx_wmm_ac_notify net/mac80211/mlme.c:2524 [inline] ieee80211_sta_tx_notify+0x3b1/0x920 net/mac80211/mlme.c:2556 ieee80211_tx_status_ext+0x1291/0x4fa0 net/mac80211/status.c:1116 ieee80211_tx_status+0x221/0x270 net/mac80211/status.c:1059 ieee80211_tasklet_handler+0x322/0x390 net/mac80211/main.c:239 tasklet_action_common+0x3de/0x640 kernel/softirq.c:557 tasklet_action+0x30/0x40 kernel/softirq.c:577 __do_softirq+0x1b9/0x715 kernel/softirq.c:345 do_softirq+0x123/0x1c0 kernel/softirq.c:248 __local_bh_enable_ip+0xa1/0xb0 kernel/softirq.c:198 local_bh_enable+0x36/0x40 include/linux/bottom_half.h:32 __ieee80211_tx_skb_tid_band+0x28f/0x390 net/mac80211/tx.c:5404 ieee80211_tx_skb_tid net/mac80211/ieee80211_i.h:2019 [inline] ieee80211_tx_skb net/mac80211/ieee80211_i.h:2028 [inline] ieee80211_send_nullfunc+0x59a/0x6e0 net/mac80211/mlme.c:1120 ieee80211_mgd_probe_ap_send+0x88d/0xb30 net/mac80211/mlme.c:2621 ieee80211_mgd_probe_ap+0x52c/0x6e0 net/mac80211/mlme.c:2697 ieee80211_beacon_connection_loss_work+0x19b/0x420 net/mac80211/mlme.c:2830 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Uninit was created at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline] kmsan_internal_poison_shadow+0x5c/0xf0 mm/kmsan/kmsan.c:104 kmsan_slab_alloc+0x8e/0xe0 mm/kmsan/kmsan_hooks.c:76 slab_alloc_node mm/slub.c:2922 [inline] __kmalloc_node_track_caller+0xa4f/0x1470 mm/slub.c:4609 kmalloc_reserve net/core/skbuff.c:353 [inline] __alloc_skb+0x4dd/0xe90 net/core/skbuff.c:424 __netdev_alloc_skb+0x45d/0x810 net/core/skbuff.c:491 netdev_alloc_skb include/linux/skbuff.h:2864 [inline] dev_alloc_skb include/linux/skbuff.h:2877 [inline] ieee80211_nullfunc_get+0x2b6/0x820 net/mac80211/tx.c:5118 ieee80211_send_nullfunc+0x216/0x6e0 net/mac80211/mlme.c:1102 ieee80211_mgd_probe_ap_send+0x88d/0xb30 net/mac80211/mlme.c:2621 ieee80211_mgd_probe_ap+0x52c/0x6e0 net/mac80211/mlme.c:2697 ieee80211_beacon_connection_loss_work+0x19b/0x420 net/mac80211/mlme.c:2830 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 ===================================================== ------------[ cut here ]------------ WARNING: CPU: 0 PID: 601 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x1eb/0x700 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 0 PID: 601 Comm: kworker/u4:6 Tainted: G B W 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy14 ieee80211_beacon_connection_loss_work RIP: 0010:vkms_vblank_simulate+0x1eb/0x700 drivers/gpu/drm/vkms/vkms_crtc.c:21 Code: 22 fb e9 b2 fe ff ff 8b 3a e8 71 77 22 fb e9 bf fe ff ff 44 89 e7 e8 64 77 22 fb 49 83 fe 01 0f 84 6e ff ff ff e8 65 86 9f fa <0f> 0b e9 67 ff ff ff 41 8b bf a8 0f 00 00 e8 42 77 22 fb 84 db 75 RSP: 0018:ffff88813fc056e8 EFLAGS: 00010046 RAX: ffffffff871cad8b RBX: 0000000000000000 RCX: ffff888104b60000 RDX: 0000000000010101 RSI: 0000000000000013 RDI: 0000000000000001 RBP: ffff88813fc05768 R08: ffffffff871cacd2 R09: ffff88813fffa000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000013 R15: ffff88813fc27b00 FS: 0000000000000000(0000) GS:ffff88813fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004e4da1 CR3: 000000011693b000 CR4: 00000000001526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0x6a/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:__msan_warning+0x88/0xa0 mm/kmsan/kmsan_instr.c:201 Code: c4 08 e8 db e8 ff ff 8b b0 b0 0f 00 00 ff ce 89 b0 b0 0f 00 00 75 1a e8 86 df 0b ff 41 f7 c6 00 02 00 00 74 01 fb 48 83 c4 08 <5b> 41 5e 5d c3 0f 0b 48 c7 c7 f9 18 7c 90 31 c0 e8 fc f8 25 ff 0f RSP: 0018:ffff88813fc05b08 EFLAGS: 00000282 RAX: ffff88813fc27b00 RBX: 00000000063f0358 RCX: ffff888104b60000 RDX: ffffffff92456000 RSI: 0000000000000000 RDI: ffffffff92455b90 RBP: ffff88813fc05b18 R08: ffffffff8165313c R09: 00000000fffff1ac R10: 3d3d3d3d3d3d3d00 R11: 3d3d3d3d3d3d3d3d R12: 0000000000000100 R13: 0000000000000000 R14: 0000000000000246 R15: 0000000000000000 ieee80211_ac_from_tid net/mac80211/ieee80211_i.h:2050 [inline] ieee80211_sta_tx_wmm_ac_notify net/mac80211/mlme.c:2524 [inline] ieee80211_sta_tx_notify+0x3b1/0x920 net/mac80211/mlme.c:2556 ieee80211_tx_status_ext+0x1291/0x4fa0 net/mac80211/status.c:1116 ieee80211_tx_status+0x221/0x270 net/mac80211/status.c:1059 ieee80211_tasklet_handler+0x322/0x390 net/mac80211/main.c:239 tasklet_action_common+0x3de/0x640 kernel/softirq.c:557 tasklet_action+0x30/0x40 kernel/softirq.c:577 __do_softirq+0x1b9/0x715 kernel/softirq.c:345 do_softirq+0x123/0x1c0 kernel/softirq.c:248 __local_bh_enable_ip+0xa1/0xb0 kernel/softirq.c:198 local_bh_enable+0x36/0x40 include/linux/bottom_half.h:32 __ieee80211_tx_skb_tid_band+0x28f/0x390 net/mac80211/tx.c:5404 ieee80211_tx_skb_tid net/mac80211/ieee80211_i.h:2019 [inline] ieee80211_tx_skb net/mac80211/ieee80211_i.h:2028 [inline] ieee80211_send_nullfunc+0x59a/0x6e0 net/mac80211/mlme.c:1120 ieee80211_mgd_probe_ap_send+0x88d/0xb30 net/mac80211/mlme.c:2621 ieee80211_mgd_probe_ap+0x52c/0x6e0 net/mac80211/mlme.c:2697 ieee80211_beacon_connection_loss_work+0x19b/0x420 net/mac80211/mlme.c:2830 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 ---[ end trace 5137fcdfd8a94f33 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 601 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x1eb/0x700 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 0 PID: 601 Comm: kworker/u4:6 Tainted: G B W 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy14 ieee80211_beacon_connection_loss_work RIP: 0010:vkms_vblank_simulate+0x1eb/0x700 drivers/gpu/drm/vkms/vkms_crtc.c:21 Code: 22 fb e9 b2 fe ff ff 8b 3a e8 71 77 22 fb e9 bf fe ff ff 44 89 e7 e8 64 77 22 fb 49 83 fe 01 0f 84 6e ff ff ff e8 65 86 9f fa <0f> 0b e9 67 ff ff ff 41 8b bf a8 0f 00 00 e8 42 77 22 fb 84 db 75 RSP: 0018:ffff88813fc056e8 EFLAGS: 00010046 RAX: ffffffff871cad8b RBX: 0000000000000000 RCX: ffff888104b60000 RDX: 0000000000010101 RSI: 000000000000001c RDI: 0000000000000001 RBP: ffff88813fc05768 R08: ffffffff871cacd2 R09: ffff88813fffa000 R10: 000000004d1d8650 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 000000000000001c R15: ffff88813fc27b00 FS: 0000000000000000(0000) GS:ffff88813fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004e4da1 CR3: 000000011693b000 CR4: 00000000001526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0x6a/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:__msan_warning+0x88/0xa0 mm/kmsan/kmsan_instr.c:201 Code: c4 08 e8 db e8 ff ff 8b b0 b0 0f 00 00 ff ce 89 b0 b0 0f 00 00 75 1a e8 86 df 0b ff 41 f7 c6 00 02 00 00 74 01 fb 48 83 c4 08 <5b> 41 5e 5d c3 0f 0b 48 c7 c7 f9 18 7c 90 31 c0 e8 fc f8 25 ff 0f RSP: 0018:ffff88813fc05b08 EFLAGS: 00000282 RAX: ffff88813fc27b00 RBX: 00000000063f0358 RCX: ffff888104b60000 RDX: ffffffff92456000 RSI: 0000000000000000 RDI: ffffffff92455b90 RBP: ffff88813fc05b18 R08: ffffffff8165313c R09: 00000000fffff1ac R10: 3d3d3d3d3d3d3d00 R11: 3d3d3d3d3d3d3d3d R12: 0000000000000100 R13: 0000000000000000 R14: 0000000000000246 R15: 0000000000000000 ieee80211_ac_from_tid net/mac80211/ieee80211_i.h:2050 [inline] ieee80211_sta_tx_wmm_ac_notify net/mac80211/mlme.c:2524 [inline] ieee80211_sta_tx_notify+0x3b1/0x920 net/mac80211/mlme.c:2556 ieee80211_tx_status_ext+0x1291/0x4fa0 net/mac80211/status.c:1116 ieee80211_tx_status+0x221/0x270 net/mac80211/status.c:1059 ieee80211_tasklet_handler+0x322/0x390 net/mac80211/main.c:239 tasklet_action_common+0x3de/0x640 kernel/softirq.c:557 tasklet_action+0x30/0x40 kernel/softirq.c:577 __do_softirq+0x1b9/0x715 kernel/softirq.c:345 do_softirq+0x123/0x1c0 kernel/softirq.c:248 __local_bh_enable_ip+0xa1/0xb0 kernel/softirq.c:198 local_bh_enable+0x36/0x40 include/linux/bottom_half.h:32 __ieee80211_tx_skb_tid_band+0x28f/0x390 net/mac80211/tx.c:5404 ieee80211_tx_skb_tid net/mac80211/ieee80211_i.h:2019 [inline] ieee80211_tx_skb net/mac80211/ieee80211_i.h:2028 [inline] ieee80211_send_nullfunc+0x59a/0x6e0 net/mac80211/mlme.c:1120 ieee80211_mgd_probe_ap_send+0x88d/0xb30 net/mac80211/mlme.c:2621 ieee80211_mgd_probe_ap+0x52c/0x6e0 net/mac80211/mlme.c:2697 ieee80211_beacon_connection_loss_work+0x19b/0x420 net/mac80211/mlme.c:2830 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 ---[ end trace 5137fcdfd8a94f34 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 601 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x1eb/0x700 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 0 PID: 601 Comm: kworker/u4:6 Tainted: G B W 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy14 ieee80211_beacon_connection_loss_work RIP: 0010:vkms_vblank_simulate+0x1eb/0x700 drivers/gpu/drm/vkms/vkms_crtc.c:21 Code: 22 fb e9 b2 fe ff ff 8b 3a e8 71 77 22 fb e9 bf fe ff ff 44 89 e7 e8 64 77 22 fb 49 83 fe 01 0f 84 6e ff ff ff e8 65 86 9f fa <0f> 0b e9 67 ff ff ff 41 8b bf a8 0f 00 00 e8 42 77 22 fb 84 db 75 RSP: 0018:ffff88813fc056e8 EFLAGS: 00010046 RAX: ffffffff871cad8b RBX: 0000000000000000 RCX: ffff888104b60000 RDX: 0000000000010101 RSI: 000000000000001c RDI: 0000000000000001 RBP: ffff88813fc05768 R08: ffffffff871cacd2 R09: ffff88813fffa000 R10: 00000000b56c2fd0 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 000000000000001c R15: ffff88813fc27b00 FS: 0000000000000000(0000) GS:ffff88813fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004e4da1 CR3: 000000011693b000 CR4: 00000000001526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0x6a/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:__msan_warning+0x88/0xa0 mm/kmsan/kmsan_instr.c:201 Code: c4 08 e8 db e8 ff ff 8b b0 b0 0f 00 00 ff ce 89 b0 b0 0f 00 00 75 1a e8 86 df 0b ff 41 f7 c6 00 02 00 00 74 01 fb 48 83 c4 08 <5b> 41 5e 5d c3 0f 0b 48 c7 c7 f9 18 7c 90 31 c0 e8 fc f8 25 ff 0f RSP: 0018:ffff88813fc05b08 EFLAGS: 00000282 RAX: ffff88813fc27b00 RBX: 00000000063f0358 RCX: ffff888104b60000 RDX: ffffffff92456000 RSI: 0000000000000000 RDI: ffffffff92455b90 RBP: ffff88813fc05b18 R08: ffffffff8165313c R09: 00000000fffff1ac R10: 3d3d3d3d3d3d3d00 R11: 3d3d3d3d3d3d3d3d R12: 0000000000000100 R13: 0000000000000000 R14: 0000000000000246 R15: 0000000000000000 ieee80211_ac_from_tid net/mac80211/ieee80211_i.h:2050 [inline] ieee80211_sta_tx_wmm_ac_notify net/mac80211/mlme.c:2524 [inline] ieee80211_sta_tx_notify+0x3b1/0x920 net/mac80211/mlme.c:2556 ieee80211_tx_status_ext+0x1291/0x4fa0 net/mac80211/status.c:1116 ieee80211_tx_status+0x221/0x270 net/mac80211/status.c:1059 ieee80211_tasklet_handler+0x322/0x390 net/mac80211/main.c:239 tasklet_action_common+0x3de/0x640 kernel/softirq.c:557 tasklet_action+0x30/0x40 kernel/softirq.c:577 __do_softirq+0x1b9/0x715 kernel/softirq.c:345 do_softirq+0x123/0x1c0 kernel/softirq.c:248 __local_bh_enable_ip+0xa1/0xb0 kernel/softirq.c:198 local_bh_enable+0x36/0x40 include/linux/bottom_half.h:32 __ieee80211_tx_skb_tid_band+0x28f/0x390 net/mac80211/tx.c:5404 ieee80211_tx_skb_tid net/mac80211/ieee80211_i.h:2019 [inline] ieee80211_tx_skb net/mac80211/ieee80211_i.h:2028 [inline] ieee80211_send_nullfunc+0x59a/0x6e0 net/mac80211/mlme.c:1120 ieee80211_mgd_probe_ap_send+0x88d/0xb30 net/mac80211/mlme.c:2621 ieee80211_mgd_probe_ap+0x52c/0x6e0 net/mac80211/mlme.c:2697 ieee80211_beacon_connection_loss_work+0x19b/0x420 net/mac80211/mlme.c:2830 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 ---[ end trace 5137fcdfd8a94f35 ]---