SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=3957 comm=syz-executor.5 loop0: detected capacity change from 0 to 4096 watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.7:3930] Modules linked in: irq event stamp: 4996219 hardirqs last enabled at (4996218): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (4996219): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1106 softirqs last enabled at (4900252): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (4900255): [] asm_call_irq_on_stack+0x12/0x20 CPU: 1 PID: 3930 Comm: syz-executor.7 Not tainted 5.10.236 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:171 [inline] RIP: 0010:unwind_next_frame+0x25c/0x1a90 arch/x86/kernel/unwind_orc.c:448 Code: 8d 3c 85 10 ed d6 85 49 89 f9 49 c1 e9 03 45 0f b6 0c 11 48 89 fa 83 e2 07 83 c2 03 44 38 ca 7c 09 45 84 c9 0f 85 f7 11 00 00 <89> cf 42 8b 14 85 10 ed d6 85 4c 8d 04 7f 4f 8d 84 00 4c 0d 96 85 RSP: 0000:ffff88806cf09760 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000005cab RDX: 0000000000000003 RSI: 00000000000010ff RDI: ffffffff85d73110 RBP: ffff88806cf0986d R08: 0000000000001100 R09: 0000000000000000 R10: 0000000000032042 R11: 1ffff1100d9e12f4 R12: ffff88806cf09880 R13: ffff88806cf09838 R14: 1ffff1100d9e12f4 R15: ffffffff8110ff0d FS: 00007f19dfa32700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f19dfa31ff8 CR3: 0000000045fd6000 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+0x1c/0x30 mm/kasan/common.c:56 kasan_set_free_info+0x1b/0x30 mm/kasan/generic.c:355 __kasan_slab_free+0x110/0x160 mm/kasan/common.c:422 slab_free_hook mm/slub.c:1542 [inline] slab_free_freelist_hook+0xa9/0x180 mm/slub.c:1576 slab_free mm/slub.c:3149 [inline] kfree+0xd7/0x340 mm/slub.c:4125 skb_free_head net/core/skbuff.c:606 [inline] skb_release_data+0x604/0x820 net/core/skbuff.c:626 skb_release_all net/core/skbuff.c:680 [inline] __kfree_skb net/core/skbuff.c:694 [inline] consume_skb net/core/skbuff.c:850 [inline] consume_skb+0x110/0x2b0 net/core/skbuff.c:844 mac80211_hwsim_tx_frame+0x15a/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1717 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:__kasan_check_read+0x4/0x10 mm/kasan/common.c:71 Code: 66 0f 1f 44 00 00 e9 8b a1 b3 02 66 66 2e 0f 1f 84 00 00 00 00 00 48 c7 c0 fb ff ff ff e9 74 a1 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 ba 01 00 00 RSP: 0000:ffff8880201ffb68 EFLAGS: 00000256 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff812745f8 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff85678ec8 RBP: 1ffff1100403ff70 R08: 0000000000000000 R09: ffffffff8686c6f7 R10: 0000000000000246 R11: 0000000000000001 R12: ffffffff85093d60 R13: 0000000000000000 R14: 0000000000100dca R15: 0000000000000001 instrument_atomic_read include/linux/instrumented.h:71 [inline] test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline] cpumask_test_cpu include/linux/cpumask.h:367 [inline] trace_lock_release include/trace/events/lock.h:58 [inline] lock_release+0x98/0x680 kernel/locking/lockdep.c:5577 prepare_alloc_pages mm/page_alloc.c:4938 [inline] __alloc_pages_nodemask+0x16c/0x600 mm/page_alloc.c:4984 alloc_pages_vma+0xbb/0x410 mm/mempolicy.c:2229 alloc_zeroed_user_highpage_movable include/linux/highmem.h:277 [inline] do_anonymous_page mm/memory.c:3635 [inline] handle_pte_fault mm/memory.c:4495 [inline] __handle_mm_fault mm/memory.c:4632 [inline] handle_mm_fault+0x152f/0x3500 mm/memory.c:4730 do_user_addr_fault+0x56e/0xc60 arch/x86/mm/fault.c:1345 handle_page_fault arch/x86/mm/fault.c:1402 [inline] exc_page_fault+0xa2/0x1a0 arch/x86/mm/fault.c:1458 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571 RIP: 0033:0x7f19e24996dd Code: 84 24 e0 00 00 00 48 89 e1 45 31 c0 48 89 44 24 08 48 8d 44 24 20 c7 04 24 18 00 00 00 c7 44 24 04 30 00 00 00 48 89 44 24 10 7e 9a 00 00 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 75 08 48 RSP: 002b:00007f19dfa32000 EFLAGS: 00010246 RAX: 00007f19dfa32020 RBX: 00007f19e25f1020 RCX: 00007f19dfa32000 RDX: 00007f19e2536d22 RSI: 0000000000000080 RDI: 00007f19dfa320f0 RBP: 00007f19dfa320f0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000032038 R12: 0000000000000000 R13: 00007ffddafdb70f R14: 00007f19dfa32300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline] NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline] NMI backtrace for cpu 0 skipped: idling at default_idle+0xe/0x20 arch/x86/kernel/process.c:711 ---------------- Code disassembly (best guess): 0: 8d 3c 85 10 ed d6 85 lea -0x7a2912f0(,%rax,4),%edi 7: 49 89 f9 mov %rdi,%r9 a: 49 c1 e9 03 shr $0x3,%r9 e: 45 0f b6 0c 11 movzbl (%r9,%rdx,1),%r9d 13: 48 89 fa mov %rdi,%rdx 16: 83 e2 07 and $0x7,%edx 19: 83 c2 03 add $0x3,%edx 1c: 44 38 ca cmp %r9b,%dl 1f: 7c 09 jl 0x2a 21: 45 84 c9 test %r9b,%r9b 24: 0f 85 f7 11 00 00 jne 0x1221 * 2a: 89 cf mov %ecx,%edi <-- trapping instruction 2c: 42 8b 14 85 10 ed d6 mov -0x7a2912f0(,%r8,4),%edx 33: 85 34: 4c 8d 04 7f lea (%rdi,%rdi,2),%r8 38: 4f 8d 84 00 4c 0d 96 lea -0x7a69f2b4(%r8,%r8,1),%r8 3f: 85