EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue Bluetooth: hci7: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.4:5228] Modules linked in: irq event stamp: 5288945 hardirqs last enabled at (5288944): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (5288945): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1106 softirqs last enabled at (5284630): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (5284635): [] asm_call_irq_on_stack+0x12/0x20 CPU: 1 PID: 5228 Comm: syz-executor.4 Not tainted 5.10.237 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0xce6/0x1a90 arch/x86/kernel/unwind_orc.c:582 Code: c1 ea 03 0f b6 14 02 0f b6 04 06 4c 89 fe 83 e6 07 40 38 f2 40 0f 9e c6 84 d2 0f 95 c2 40 84 d6 0f 85 7f 08 00 00 41 83 e0 07 <44> 38 c0 0f 9e c2 84 c0 0f 95 c0 84 c2 0f 85 68 08 00 00 0f b6 41 RSP: 0018:ffff88806cf095d8 EFLAGS: 00000206 RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffffffff85bf75d0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88806cf09708 RBP: ffff88806cf096e5 R08: 0000000000000005 R09: ffff88806cf09cf8 R10: 0000000000032042 R11: 1ffff1100d9e12c3 R12: ffff88806cf09cf8 R13: ffff88806cf096b0 R14: 1ffff1100d9e12c3 R15: ffffffff85bf75d4 FS: 00007f7ca3f35700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005640cab33008 CR3: 000000000d668000 CR4: 0000000000350ee0 Call Trace: 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] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x13b/0x310 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+0x169/0x330 mm/slub.c:2932 __alloc_skb+0x6d/0x5b0 net/core/skbuff.c:200 skb_copy+0x183/0x350 net/core/skbuff.c:1530 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb50/0x1410 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:1588 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1652 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1669 __do_softirq+0x1b8/0x7c9 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:1106 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:rcu_read_unlock include/linux/rcupdate.h:767 [inline] RIP: 0010:mod_objcg_state mm/slab.h:314 [inline] RIP: 0010:memcg_slab_free_hook mm/slab.h:383 [inline] RIP: 0010:memcg_slab_free_hook mm/slab.h:351 [inline] RIP: 0010:do_slab_free mm/slub.c:3105 [inline] RIP: 0010:___cache_free+0x1aa/0x360 mm/slub.c:3156 Code: af 80 00 00 00 0f 85 c3 00 00 00 9c 41 5d fa 41 f7 c5 00 02 00 00 0f 85 5d 01 00 00 44 89 fa 44 89 f6 e8 09 11 02 00 41 55 9d 11 ff 7a 02 85 c0 0f 85 f7 00 00 00 65 ff 0d 32 e1 95 7e e8 9d RSP: 0018:ffff8880471c75e0 EFLAGS: 00000246 RAX: 000000000050a319 RBX: ffff88800cadad80 RCX: 1ffffffff0d0e54a RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff816c8f68 RBP: ffff88801ca14000 R08: 0000000000000001 R09: ffffffff8686c6af R10: fffffbfff0d0d8d5 R11: 0000000000000001 R12: ffff888008041a00 R13: 0000000000000246 R14: 0000000000000006 R15: 00000000ffffffb8 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] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x13b/0x310 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] slab_alloc mm/slub.c:2904 [inline] __kmalloc_track_caller+0x177/0x370 mm/slub.c:4465 kmemdup+0x23/0x50 mm/util.c:128 kmemdup include/linux/string.h:465 [inline] xfrm_sysctl_init+0x106/0x310 net/xfrm/xfrm_sysctl.c:50 xfrm_net_init+0x7a7/0xac0 net/xfrm/xfrm_policy.c:4211 ops_init+0xbb/0x6b0 net/core/net_namespace.c:156 setup_net+0x2f4/0x900 net/core/net_namespace.c:348 copy_net_ns+0x2c0/0x5d0 net/core/net_namespace.c:518 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110 copy_namespaces+0x3fb/0x4f0 kernel/nsproxy.c:179 copy_process+0x385b/0x7800 kernel/fork.c:2129 kernel_clone+0xe7/0x980 kernel/fork.c:2506 __do_sys_clone3+0x1e5/0x320 kernel/fork.c:2781 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f7ca69bfb19 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:00007f7ca3f35188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f7ca6ad2f60 RCX: 00007f7ca69bfb19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200001c0 RBP: 00007f7ca6a19f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcd95fbcdf R14: 00007f7ca3f35300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.237 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__kasan_check_read+0x0/0x10 mm/kasan/common.c:71 Code: 31 ed eb c5 66 0f 1f 44 00 00 e9 2b a3 b3 02 66 66 2e 0f 1f 84 00 00 00 00 00 48 c7 c0 fb ff ff ff e9 14 a3 b3 02 cc cc cc cc <48> 8b 0c 24 89 f6 31 d2 e9 83 22 00 00 0f 1f 00 48 8b 0c 24 89 f6 RSP: 0018:ffff88806ce09a30 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffffffff87a08080 RCX: ffffffff8127ab97 RDX: fffffbfff0f41011 RSI: 0000000000000004 RDI: ffffffff87a08080 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff87a08083 R10: fffffbfff0f41010 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0f41010 R14: 0000000000000001 R15: 1ffff1100d9c1348 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcbe818ee70 CR3: 000000000d654000 CR4: 0000000000350ef0 Call Trace: instrument_atomic_read include/linux/instrumented.h:71 [inline] atomic_read include/asm-generic/atomic-instrumented.h:27 [inline] virt_spin_lock arch/x86/include/asm/qspinlock.h:99 [inline] queued_spin_lock_slowpath+0xa7/0x8c0 kernel/locking/qspinlock.c:326 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+0x6c8/0x1410 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:1588 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1652 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1669 __do_softirq+0x1b8/0x7c9 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: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:712 Code: 4e ff ff ff 4c 89 e7 e8 40 af 83 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 24 2c 59 00 fb f4 1d 2c 37 00 cc cc cc cc cc cc cc cc cc cc cc cc cc 41 55 41 54 RSP: 0018:ffffffff84e07e38 EFLAGS: 00000206 RAX: ffffffff83e91390 RBX: 0000000000000000 RCX: ffffffff83e78f2c RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83e91998 RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88806ce3c12b R10: ffffed100d9c7825 R11: 0000000000000001 R12: 0000000000000000 R13: ffffffff85678748 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+0x3b3/0x520 kernel/sched/idle.c:306 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:402 start_kernel+0x464/0x489 init/main.c:1046 secondary_startup_64_no_verify+0xbe/0xcb ---------------- Code disassembly (best guess): 0: c1 ea 03 shr $0x3,%edx 3: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx 7: 0f b6 04 06 movzbl (%rsi,%rax,1),%eax b: 4c 89 fe mov %r15,%rsi e: 83 e6 07 and $0x7,%esi 11: 40 38 f2 cmp %sil,%dl 14: 40 0f 9e c6 setle %sil 18: 84 d2 test %dl,%dl 1a: 0f 95 c2 setne %dl 1d: 40 84 d6 test %dl,%sil 20: 0f 85 7f 08 00 00 jne 0x8a5 26: 41 83 e0 07 and $0x7,%r8d * 2a: 44 38 c0 cmp %r8b,%al <-- trapping instruction 2d: 0f 9e c2 setle %dl 30: 84 c0 test %al,%al 32: 0f 95 c0 setne %al 35: 84 c2 test %al,%dl 37: 0f 85 68 08 00 00 jne 0x8a5 3d: 0f .byte 0xf 3e: b6 41 mov $0x41,%dh