SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pid=5537 comm=syz-executor.1 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. syz-executor.2 uses obsolete (PF_INET,SOCK_PACKET) sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.3:5519] Modules linked in: irq event stamp: 9522859 hardirqs last enabled at (9522858): [] __slab_alloc mm/slub.c:2787 [inline] hardirqs last enabled at (9522858): [] slab_alloc_node mm/slub.c:2861 [inline] hardirqs last enabled at (9522858): [] slab_alloc mm/slub.c:2904 [inline] hardirqs last enabled at (9522858): [] kmem_cache_alloc+0x309/0x310 mm/slub.c:2909 hardirqs last disabled at (9522859): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1094 softirqs last enabled at (9519050): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (9519053): [] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 5519 Comm: syz-executor.3 Not tainted 5.10.226 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:slab_alloc_node mm/slub.c:2861 [inline] RIP: 0010:slab_alloc mm/slub.c:2904 [inline] RIP: 0010:kmem_cache_alloc+0x2d5/0x310 mm/slub.c:2909 Code: fe ff ff 0f 0b e9 e9 fe ff ff 9c 5b fa f6 c7 02 75 24 4c 89 e1 ba ff ff ff ff 44 89 f6 48 89 ef e8 40 e1 ff ff 49 89 c7 53 9d <4c> 89 7c 24 08 e9 2d fe ff ff 0f 0b 4c 89 04 24 e8 36 d1 da ff 4c RSP: 0018:ffff88806ce09a28 EFLAGS: 00000246 RAX: 0000000000914eaa RBX: 0000000000000246 RCX: 1ffffffff0d1088a RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff816c3e29 RBP: ffff88800804d640 R08: 0000000000000001 R09: ffffffff8686872f R10: fffffbfff0d0d0e5 R11: 0000000000000001 R12: ffffffff816f3dda R13: 0000000000000000 R14: 0000000000092a20 R15: ffff88804eae2000 FS: 00007f3301c13700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055da2d097e38 CR3: 000000004d564000 CR4: 0000000000350ef0 Call Trace: 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: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 __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:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:memcg_slab_free_hook mm/slab.h:378 [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+0xdb/0x360 mm/slub.c:3156 Code: 48 29 ca 41 8b 4e 20 89 d6 48 0f af f1 41 0f b6 4e 24 48 c1 ee 20 29 f2 d3 ea 41 0f b6 4e 25 01 f2 d3 ea 48 8d 14 d7 48 8b 2a <48> 85 ed 0f 84 fa 00 00 00 48 c7 02 00 00 00 00 41 8b 76 18 48 89 RSP: 0018:ffff8880183ff7b0 EFLAGS: 00000216 RAX: ffffea00006a0800 RBX: ffff88801a8229a0 RCX: 000000000000000a RDX: ffff888017e9ca48 RSI: 0000000000001e60 RDI: ffff888017e9ca00 RBP: ffff888008d12600 R08: 0000000000000000 R09: ffffffff816c9400 R10: ffff88800feb88a0 R11: 0000000000000001 R12: ffff888008801c80 R13: ffffea00006a0800 R14: ffff888008801c80 R15: ffff88801aa28758 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 kmem_cache_zalloc include/linux/slab.h:654 [inline] __kernfs_new_node+0xd4/0x860 fs/kernfs/dir.c:635 kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711 kernfs_create_link+0xcb/0x230 fs/kernfs/symlink.c:39 sysfs_do_create_link_sd+0x90/0x140 fs/sysfs/symlink.c:44 sysfs_do_create_link fs/sysfs/symlink.c:80 [inline] sysfs_create_link+0x5f/0xc0 fs/sysfs/symlink.c:92 device_add_class_symlinks drivers/base/core.c:2754 [inline] device_add+0x703/0x1c50 drivers/base/core.c:2962 wakeup_source_device_create+0x220/0x2b0 drivers/base/power/wakeup_stats.c:161 wakeup_source_sysfs_add+0x1a/0xa0 drivers/base/power/wakeup_stats.c:181 wakeup_source_register+0x9d/0x130 drivers/base/power/wakeup.c:228 ep_create_wakeup_source+0x123/0x2b0 fs/eventpoll.c:1469 ep_insert fs/eventpoll.c:1525 [inline] do_epoll_ctl+0x1f1d/0x2c00 fs/eventpoll.c:2269 __do_sys_epoll_ctl fs/eventpoll.c:2322 [inline] __se_sys_epoll_ctl fs/eventpoll.c:2313 [inline] __x64_sys_epoll_ctl+0x13f/0x1c0 fs/eventpoll.c:2313 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f330469db19 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:00007f3301c13188 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 RAX: ffffffffffffffda RBX: 00007f33047b0f60 RCX: 00007f330469db19 RDX: 0000000000000005 RSI: 0000000000000001 RDI: 0000000000000006 RBP: 00007f33046f7f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000200 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe5a72105f R14: 00007f3301c13300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 5508 Comm: syz-executor.0 Not tainted 5.10.226 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:25 [inline] RIP: 0010:static_key_false include/linux/jump_label.h:200 [inline] RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:162 [inline] RIP: 0010:wrmsrl arch/x86/include/asm/msr.h:281 [inline] RIP: 0010:lapic_next_deadline+0x21/0x50 arch/x86/kernel/apic/apic.c:479 Code: 95 7d ca 02 0f 1f 44 00 00 0f ae f0 0f ae e8 0f 31 48 c1 e2 20 b9 e0 06 00 00 48 09 c2 48 8d 04 fa 48 89 c2 48 c1 ea 20 0f 30 <0f> 1f 44 00 00 31 c0 e9 c3 3b 12 03 48 89 c6 31 d2 bf e0 06 00 00 RSP: 0018:ffff88806cf09840 EFLAGS: 00000013 RAX: 0000012ca7c460f4 RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 000000000000012c RSI: ffff88806cf27980 RDI: 0000000000000555 RBP: ffff88806cf27980 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000555 R13: 0000000000000000 R14: 7fffffffffffffff R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005627f7d07678 CR3: 000000001ac24000 CR4: 0000000000350ee0 Call Trace: clockevents_program_event+0x244/0x360 kernel/time/clockevents.c:334 tick_program_event+0xa0/0x140 kernel/time/tick-oneshot.c:44 hrtimer_interrupt+0x3e1/0x9b0 kernel/time/hrtimer.c:1725 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1083 [inline] __sysvec_apic_timer_interrupt+0xfb/0x310 arch/x86/kernel/apic/apic.c:1100 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline] sysvec_apic_timer_interrupt+0x3e/0xa0 arch/x86/kernel/apic/apic.c:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 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 00 a4 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:ffff88806cf09a38 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffffffff87a04080 RCX: ffffffff81279b47 RDX: fffffbfff0f40811 RSI: 0000000000000004 RDI: ffffffff87a04080 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff87a04083 R10: fffffbfff0f40810 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0f40810 R14: 0000000000000001 R15: 1ffff1100d9e1348 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 __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:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:__sanitizer_cov_trace_pc+0x30/0x60 kernel/kcov.c:197 Code: 8b 14 25 80 6f 02 00 65 8b 05 ec cf c1 7e a9 00 01 ff 00 74 0f f6 c4 01 74 35 8b 82 fc 13 00 00 85 c0 74 2b 8b 82 d8 13 00 00 <83> f8 02 75 20 48 8b 8a e0 13 00 00 8b 92 dc 13 00 00 48 8b 01 48 RSP: 0018:ffff88804d5df968 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88804d5fe350 RCX: ffffffff8167a51a RDX: ffff888018284ec0 RSI: ffffffff8167a528 RDI: 0000000000000001 RBP: ffffea0000d738c0 R08: 0000000000000000 R09: ffffea0000d738c7 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000068 R13: dffffc0000000000 R14: 00000000000000ac R15: 0000000000000001 PageSwapCache include/linux/page-flags.h:402 [inline] free_swap_cache mm/swap_state.c:326 [inline] free_pages_and_swap_cache+0x108/0x290 mm/swap_state.c:354 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:240 [inline] tlb_flush_mmu mm/mmu_gather.c:247 [inline] tlb_finish_mmu+0x165/0x8f0 mm/mmu_gather.c:326 exit_mmap+0x29f/0x4f0 mm/mmap.c:3237 __mmput kernel/fork.c:1101 [inline] mmput+0xca/0x340 kernel/fork.c:1122 exit_mm kernel/exit.c:536 [inline] do_exit+0xa96/0x2600 kernel/exit.c:847 do_group_exit+0x125/0x310 kernel/exit.c:982 get_signal+0x4bc/0x2350 kernel/signal.c:2759 arch_do_signal_or_restart+0x2b7/0x1990 arch/x86/kernel/signal.c:805 handle_signal_work kernel/entry/common.c:145 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x10f/0x190 kernel/entry/common.c:199 syscall_exit_to_user_mode+0x38/0x1d0 kernel/entry/common.c:274 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f3b685efb19 Code: Unable to access opcode bytes at RIP 0x7f3b685efaef. RSP: 002b:00007f3b65b65188 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 RAX: 0000000000000000 RBX: 00007f3b68702f60 RCX: 00007f3b685efb19 RDX: 0000000000000005 RSI: 0000000000000001 RDI: 0000000000000006 RBP: 00007f3b68649f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000200 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc8625ba9f R14: 00007f3b65b65300 R15: 0000000000022000 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: ff 0f decl (%rdi) 2: 0b e9 or %ecx,%ebp 4: e9 fe ff ff 9c jmpq 0x9d000007 9: 5b pop %rbx a: fa cli b: f6 c7 02 test $0x2,%bh e: 75 24 jne 0x34 10: 4c 89 e1 mov %r12,%rcx 13: ba ff ff ff ff mov $0xffffffff,%edx 18: 44 89 f6 mov %r14d,%esi 1b: 48 89 ef mov %rbp,%rdi 1e: e8 40 e1 ff ff callq 0xffffe163 23: 49 89 c7 mov %rax,%r15 26: 53 push %rbx 27: 9d popfq * 28: 4c 89 7c 24 08 mov %r15,0x8(%rsp) <-- trapping instruction 2d: e9 2d fe ff ff jmpq 0xfffffe5f 32: 0f 0b ud2 34: 4c 89 04 24 mov %r8,(%rsp) 38: e8 36 d1 da ff callq 0xffdad173 3d: 4c rex.WR