hpet_rtc_timer_reinit: 9 callbacks suppressed hpet: Lost 2 RTC interrupts hpet: Lost 1 RTC interrupts watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.4:4796] Modules linked in: irq event stamp: 8318239 hardirqs last enabled at (8318238): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (8318239): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1095 softirqs last enabled at (8284242): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (8284245): [] asm_call_irq_on_stack+0x12/0x20 CPU: 1 PID: 4796 Comm: syz-executor.4 Not tainted 5.10.159 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_trace_save+0x5a/0xc0 kernel/stacktrace.c:113 Code: 10 90 ca 2f 81 48 01 c3 c7 03 f1 f1 f1 f1 c7 43 04 00 00 00 f3 c7 43 08 f3 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 44 24 78 <31> c0 48 89 7c 24 20 48 c7 c7 30 c9 2f 81 89 74 24 28 48 8d 74 24 RSP: 0018:ffff88806cf09748 EFLAGS: 00000282 RAX: 1ac9a056e066b500 RBX: ffffed100d9e12e9 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000040 RDI: ffff88806cf097d8 RBP: 0000000000092a20 R08: ffffed1008be6544 R09: ffffed1008be6572 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000092a20 R13: 0000000000000000 R14: ffff888007c4d640 R15: 0000000000000170 FS: 00007fdad8f99700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f416bc3f3b0 CR3: 000000003fad8000 CR4: 0000000000350ee0 Call Trace: 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] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x13b/0x360 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] kmem_cache_alloc_node+0x169/0x370 mm/slub.c:2932 __alloc_skb+0x6d/0x620 net/core/skbuff.c:198 skb_copy+0x137/0x2f0 net/core/skbuff.c:1522 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+0x494/0x8f0 drivers/net/wireless/mac80211_hwsim.c:1770 __iterate_interfaces+0x1f0/0x530 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x72/0x180 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1583 [inline] __hrtimer_run_queues+0x5e8/0xb50 kernel/time/hrtimer.c:1647 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1664 __do_softirq+0x1b8/0x86b kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __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:1095 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:put_cpu_partial+0x79/0x130 mm/slub.c:2411 Code: 00 65 48 03 35 f0 b3 96 7e 48 89 ef e8 10 fe ff ff 4d 85 f6 0f 85 83 00 00 00 41 55 9d 31 c0 44 89 e6 31 ff 31 c9 0f b7 53 2a <44> 0f b7 43 28 89 73 10 48 89 4b 08 81 e2 ff 7f 00 00 44 29 c2 01 RSP: 0018:ffff88804583f5b8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffea00005b0900 RCX: 0000000000000000 RDX: 0000000000008012 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff888007c4d640 R08: 0000000000000000 R09: ffffffff816bdc01 R10: ffff888016c25290 R11: 0000000000000001 R12: 0000000000000001 R13: 0000000080000000 R14: ffffffff80000000 R15: ffff888017ee3b00 qlink_free mm/kasan/quarantine.c:151 [inline] qlist_free_all+0x59/0xe0 mm/kasan/quarantine.c:170 quarantine_reduce+0x184/0x210 mm/kasan/quarantine.c:267 __kasan_kmalloc.constprop.0+0xa2/0xd0 mm/kasan/common.c:442 slab_post_alloc_hook mm/slab.h:532 [inline] slab_alloc_node mm/slub.c:2896 [inline] kmem_cache_alloc_node+0x14b/0x370 mm/slub.c:2932 __alloc_skb+0x6d/0x620 net/core/skbuff.c:198 alloc_skb include/linux/skbuff.h:1096 [inline] alloc_skb_with_frags+0x92/0x570 net/core/skbuff.c:5896 sock_alloc_send_pskb+0x741/0x8a0 net/core/sock.c:2348 dgram_sendmsg+0x4aa/0xdf0 net/ieee802154/socket.c:662 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0x154/0x190 net/socket.c:671 ____sys_sendmsg+0x334/0x870 net/socket.c:2342 ___sys_sendmsg+0xf3/0x170 net/socket.c:2396 __sys_sendmmsg+0x195/0x470 net/socket.c:2486 __do_sys_sendmmsg net/socket.c:2515 [inline] __se_sys_sendmmsg net/socket.c:2512 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2512 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7fdadba23b19 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:00007fdad8f99188 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007fdadbb36f60 RCX: 00007fdadba23b19 RDX: 0000000000000324 RSI: 00000000200021c0 RDI: 0000000000000004 RBP: 00007fdadba7df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc774a30af R14: 00007fdad8f99300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.159 #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 d0 de f8 02 f3 90 73 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e1 00 00 RSP: 0018:ffff88806ce09a38 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffffffff87930da0 RCX: ffffffff812760b7 RDX: fffffbfff0f261b5 RSI: 0000000000000004 RDI: ffffffff87930da0 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff87930da3 R10: fffffbfff0f261b4 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0f261b4 R14: 0000000000000001 R15: 1ffff1100d9c1348 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005603239e3678 CR3: 0000000016d9e000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: 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+0x494/0x8f0 drivers/net/wireless/mac80211_hwsim.c:1770 __iterate_interfaces+0x1f0/0x530 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x72/0x180 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1583 [inline] __hrtimer_run_queues+0x5e8/0xb50 kernel/time/hrtimer.c:1647 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1664 __do_softirq+0x1b8/0x86b kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __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:1095 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:690 Code: 89 fd e9 4b ff ff ff 4c 89 e7 e8 fd d0 89 fd eb 8f 66 66 2e 0f 1f 84 00 00 00 00 00 e9 07 00 00 00 0f 00 2d c4 38 60 00 fb f4 3d 37 3e 00 cc cc cc cc cc cc cc cc cc cc cc cc cc 41 55 41 54 RSP: 0018:ffffffff84e07e40 EFLAGS: 00000206 RAX: ffffffff83e208b0 RBX: ffffffff84e322c0 RCX: ffffffff83e085fc RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83e20c73 RBP: fffffbfff09c6458 R08: 0000000000000001 R09: ffff88806ce3c12b R10: ffffed100d9c7825 R11: 0000000000000001 R12: 0000000000000000 R13: ffffffff85670a88 R14: 0000000000000000 R15: dffffc0000000000 default_idle_call+0x8b/0xd0 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 start_kernel+0x469/0x48e init/main.c:1055 secondary_startup_64_no_verify+0xc2/0xcb hpet: Lost 3 RTC interrupts ---------------- Code disassembly (best guess): 0: 10 90 ca 2f 81 48 adc %dl,0x48812fca(%rax) 6: 01 c3 add %eax,%ebx 8: c7 03 f1 f1 f1 f1 movl $0xf1f1f1f1,(%rbx) e: c7 43 04 00 00 00 f3 movl $0xf3000000,0x4(%rbx) 15: c7 43 08 f3 f3 f3 f3 movl $0xf3f3f3f3,0x8(%rbx) 1c: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax 23: 00 00 25: 48 89 44 24 78 mov %rax,0x78(%rsp) * 2a: 31 c0 xor %eax,%eax <-- trapping instruction 2c: 48 89 7c 24 20 mov %rdi,0x20(%rsp) 31: 48 c7 c7 30 c9 2f 81 mov $0xffffffff812fc930,%rdi 38: 89 74 24 28 mov %esi,0x28(%rsp) 3c: 48 rex.W 3d: 8d .byte 0x8d 3e: 74 24 je 0x64