Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.5:4316] Modules linked in: irq event stamp: 3992753 hardirqs last enabled at (3992752): [<ffffffff84000d02>] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (3992753): [<ffffffff83e6275b>] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1106 softirqs last enabled at (3923832): [<ffffffff84001092>] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (3923835): [<ffffffff84001092>] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 4316 Comm: syz-executor.5 Not tainted 5.10.228 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:deref_stack_regs arch/x86/kernel/unwind_orc.c:376 [inline] RIP: 0010:unwind_next_frame+0x1135/0x1a90 arch/x86/kernel/unwind_orc.c:549 Code: ff ff 48 c1 ee 03 48 8b 4c 24 20 80 3c 16 00 0f 85 86 08 00 00 49 89 45 48 49 8d bf 98 00 00 00 48 ba 00 00 00 00 00 fc ff df <e8> 36 e7 ff ff 48 8b 74 24 08 48 c1 ee 03 80 3c 16 00 0f 85 36 08 RSP: 0018:ffff88806ce09670 EFLAGS: 00000246 RAX: 00007f936a306b19 RBX: 0000000000000001 RCX: ffffffff85d43454 RDX: dffffc0000000000 RSI: 1ffff1100d9c12f2 RDI: ffff888046ca7ff0 RBP: ffff88806ce0977d R08: ffffffff85d43459 R09: ffff888046ca7f58 R10: 0000000000032042 R11: 1ffff1100d9c12d6 R12: ffff88806ce09790 R13: ffff88806ce09748 R14: 1ffff1100d9c12d6 R15: ffff888046ca7f58 FS: 00007f936787c700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d122000 CR3: 000000004667a000 CR4: 0000000000350ef0 Call Trace: <IRQ> arch_stack_walk+0x83/0xf0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48 kasan_set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc.constprop.0+0xc9/0xd0 mm/kasan/common.c:461 slab_post_alloc_hook mm/slab.h:532 [inline] slab_alloc_node mm/slub.c:2896 [inline] kmem_cache_alloc_node+0x14b/0x330 mm/slub.c:2932 __alloc_skb+0x6d/0x5b0 net/core/skbuff.c:199 skb_copy+0x183/0x350 net/core/skbuff.c:1529 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb1d/0x13d0 drivers/net/wireless/mac80211_hwsim.c:1499 mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1716 mac80211_hwsim_beacon_tx+0x494/0x940 drivers/net/wireless/mac80211_hwsim.c:1770 __iterate_interfaces+0x1f0/0x550 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x71/0x1c0 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1586 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1650 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1667 __do_softirq+0x1b8/0x7c9 kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 </IRQ> __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:compound_head include/linux/page-flags.h:185 [inline] RIP: 0010:PageUptodate include/linux/page-flags.h:516 [inline] RIP: 0010:ext4_mb_load_buddy_gfp+0x2bd/0x1350 fs/ext4/mballoc.c:1217 Code: 85 c0 0f 84 69 01 00 00 e8 80 70 a3 ff 48 8d 45 08 48 89 c2 48 89 04 24 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 <0f> 85 d1 0e 00 00 48 8b 45 08 31 ff 49 89 ef 48 89 44 24 48 83 e0 RSP: 0018:ffff888046ca7668 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff888046ca7780 RCX: ffffc9000a459000 RDX: 1ffffd400006d239 RSI: ffffffff819d4e00 RDI: 0000000000000005 RBP: ffffea00003691c0 R08: 0000000000000000 R09: ffffea00003691c7 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800fa7c000 R13: ffff88800b6916e8 R14: 0000000000000004 R15: 000000000000000c ext4_discard_preallocations+0x883/0xd80 fs/ext4/mballoc.c:4585 ext4_truncate+0xbdd/0x1160 fs/ext4/inode.c:4332 ext4_setattr+0x1659/0x20f0 fs/ext4/inode.c:5618 notify_change+0xc28/0x1160 fs/attr.c:410 do_truncate+0x134/0x1f0 fs/open.c:64 handle_truncate fs/namei.c:2970 [inline] do_open fs/namei.c:3311 [inline] path_openat+0x1dcd/0x2770 fs/namei.c:3425 do_filp_open+0x190/0x3e0 fs/namei.c:3452 do_sys_openat2+0x171/0x4d0 fs/open.c:1227 do_sys_open fs/open.c:1243 [inline] __do_sys_creat fs/open.c:1317 [inline] __se_sys_creat fs/open.c:1311 [inline] __x64_sys_creat+0xc9/0x120 fs/open.c:1311 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f936a306b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f936787c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f936a419f60 RCX: 00007f936a306b19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000020000100 RBP: 00007f936a360f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe1dbef47f R14: 00007f936787c300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.10.228 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:cpu_relax arch/x86/include/asm/vdso/processor.h:19 [inline] RIP: 0010:virt_spin_lock arch/x86/include/asm/qspinlock.h:100 [inline] RIP: 0010:queued_spin_lock_slowpath+0x122/0x8c0 kernel/locking/qspinlock.c:326 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 09 07 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 40 8a f8 02 f3 90 <e9> 73 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e1 00 00 RSP: 0018:ffff88806cf09a38 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffffffff87a06080 RCX: ffffffff8127b507 RDX: fffffbfff0f40c11 RSI: 0000000000000004 RDI: ffffffff87a06080 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff87a06083 R10: fffffbfff0f40c10 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0f40c10 R14: 0000000000000001 R15: 1ffff1100d9e1348 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd7fbe0dd08 CR3: 000000000d6f8000 CR4: 0000000000350ee0 Call Trace: <NMI> </NMI> <IRQ> queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x1dc/0x260 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:354 [inline] mac80211_hwsim_tx_frame_no_nl.isra.0+0x695/0x13d0 drivers/net/wireless/mac80211_hwsim.c:1450 mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1716 mac80211_hwsim_beacon_tx+0x494/0x940 drivers/net/wireless/mac80211_hwsim.c:1770 __iterate_interfaces+0x1f0/0x550 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x71/0x1c0 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1586 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1650 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1667 __do_softirq+0x1b8/0x7c9 kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 </IRQ> __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:default_idle+0xe/0x20 arch/x86/kernel/process.c:707 Code: 4e ff ff ff 4c 89 e7 e8 20 fa 84 fd eb 8f 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 e9 07 00 00 00 0f 00 2d 64 85 5a 00 fb f4 <e9> 9d 86 38 00 cc cc cc cc cc cc cc cc cc cc cc cc cc 41 55 41 54 RSP: 0018:ffff888008987e70 EFLAGS: 00000206 RAX: ffffffff83e7b910 RBX: 0000000000000001 RCX: ffffffff83e634ec RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83e7bf18 RBP: ffffed100112f000 R08: 0000000000000001 R09: ffff88806cf3c12b R10: ffffed100d9e7825 R11: 0000000000000001 R12: 0000000000000001 R13: ffffffff85677708 R14: 0000000000000000 R15: dffffc0000000000 default_idle_call+0xbf/0x2c0 kernel/sched/idle.c:112 cpuidle_idle_call kernel/sched/idle.c:194 [inline] do_idle+0x3ad/0x520 kernel/sched/idle.c:300 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:396 secondary_startup_64_no_verify+0xbe/0xcb ---------------- Code disassembly (best guess), 1 bytes skipped: 0: ff 48 c1 decl -0x3f(%rax) 3: ee out %al,(%dx) 4: 03 48 8b add -0x75(%rax),%ecx 7: 4c 24 20 rex.WR and $0x20,%al a: 80 3c 16 00 cmpb $0x0,(%rsi,%rdx,1) e: 0f 85 86 08 00 00 jne 0x89a 14: 49 89 45 48 mov %rax,0x48(%r13) 18: 49 8d bf 98 00 00 00 lea 0x98(%r15),%rdi 1f: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 26: fc ff df * 29: e8 36 e7 ff ff callq 0xffffe764 <-- trapping instruction 2e: 48 8b 74 24 08 mov 0x8(%rsp),%rsi 33: 48 c1 ee 03 shr $0x3,%rsi 37: 80 3c 16 00 cmpb $0x0,(%rsi,%rdx,1) 3b: 0f .byte 0xf 3c: 85 36 test %esi,(%rsi) 3e: 08 .byte 0x8