BUG: unable to handle kernel paging request at 0000000000005688 PGD 1c1927067 P4D 1c1927067 PUD 1b7d2b067 PMD 0 Oops: 0002 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 6894 Comm: syz-executor6 Not tainted 4.17.0-rc7+ #76 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:vmx_vcpu_run+0x942/0x25c0 arch/x86/kvm/vmx.c:9741 RSP: 0018:ffff8801bb4e7398 EFLAGS: 00010002 ================================================================== BUG: KASAN: stack-out-of-bounds in __show_regs.cold.7+0x4e/0x54a arch/x86/kernel/process_64.c:79 Read of size 8 at addr ffff8801bb4e7310 by task syz-executor6/6894 CPU: 1 PID: 6894 Comm: syz-executor6 Not tainted 4.17.0-rc7+ #76 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 print_address_description+0x6c/0x20b mm/kasan/report.c:256 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433 __show_regs.cold.7+0x4e/0x54a arch/x86/kernel/process_64.c:79 show_regs+0x2b/0x40 arch/x86/kernel/dumpstack.c:389 __die+0x90/0xc4 arch/x86/kernel/dumpstack.c:326 no_context+0x3ab/0x960 arch/x86/mm/fault.c:814 __bad_area_nosemaphore+0x2d3/0x370 arch/x86/mm/fault.c:905 bad_area_nosemaphore+0x33/0x40 arch/x86/mm/fault.c:912 __do_page_fault+0x1d3/0xe40 arch/x86/mm/fault.c:1331 do_page_fault+0xee/0x8a7 arch/x86/mm/fault.c:1474 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1160 RIP: 0010:vmx_vcpu_run+0x942/0x25c0 arch/x86/kvm/vmx.c:9741 RSP: 0018:ffff8801bb4e7398 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: 1ffff1003769cd29 RCX: 0000000000000000 RDX: 1ffff10036cae600 RSI: ffffffff8110983b RDI: 0000000000000007 RBP: ffff8801bb4e6a10 R08: ffff8801b471e640 R09: ffffed003b5e46d2 R10: ffffed003b5e46d2 R11: ffff8801daf23693 R12: 1ffff1003769cd2d R13: ffff8801b6573000 R14: ffff8801bb4e69e8 R15: 0000000000000000 WARNING: kernel stack regs at (ptrval) in syz-executor6:6894 has bad 'bp' value (ptrval) unwind stack type:1 next_sp: (null) mask:0x2 graph_idx:0 (ptrval): ffff8801bb4e6d18 (0xffff8801bb4e6d18) (ptrval): ffffffff8129e9d1 (show_trace_log_lvl+0x1dd/0x25c) (ptrval): ffffffff811f7452 (vmx_vcpu_run+0x942/0x25c0) (ptrval): ffff8801bb4e7368 (0xffff8801bb4e7368) (ptrval): 0000000000000002 (0x2) (ptrval): 0000000000000001 (0x1) (ptrval): ffff8801bb4e0000 (0xffff8801bb4e0000) (ptrval): ffff8801bb4e8000 (0xffff8801bb4e8000) (ptrval): 0000000000000000 ... (ptrval): 0000000000000001 (0x1) (ptrval): ffff8801bb4e0000 (0xffff8801bb4e0000) (ptrval): ffff8801bb4e8000 (0xffff8801bb4e8000) (ptrval): 0000000000000000 ... (ptrval): 0000000000000002 (0x2) (ptrval): ffff8801b471e640 (0xffff8801b471e640) (ptrval): 0000010100000000 (0x10100000000) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e6c50 (0xffff8801bb4e6c50) (ptrval): ffffffff811f7452 (vmx_vcpu_run+0x942/0x25c0) (ptrval): ffff8801bb4e72e8 (0xffff8801bb4e72e8) (ptrval): 0000000000000093 (0x93) (ptrval): 0000000000000000 ... (ptrval): ffffffff88d18d60 (pv_cpu_ops+0x120/0x120) (ptrval): 00000000ffffffff (0xffffffff) (ptrval): ffff8801bb4e6d28 (0xffff8801bb4e6d28) (ptrval): ffffffff8129ea88 (show_stack+0x38/0x3a) (ptrval): ffff8801bb4e6dd8 (0xffff8801bb4e6dd8) (ptrval): ffffffff876824d5 (dump_stack+0x1b9/0x294) (ptrval): fffffbfff11a31ac (0xfffffbfff11a31ac) (ptrval): dffffc0000000000 (0xdffffc0000000000) (ptrval): 1ffff1003769cdaa (0x1ffff1003769cdaa) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889a5d6c (regoff.33625+0x35bbcc/0x36e380) (ptrval): ffffffff8768231c (dump_stack_print_info.cold.2+0x52/0x52) (ptrval): ffffffff8160f782 (printk+0x9e/0xba) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889bb5fa (K512_4+0x127a/0x11bdbc) (ptrval): ffffffff8160f6e4 (kmsg_dump_rewind_nolock+0xe4/0xe4) (ptrval): ffffffff88e23780 (kmem_cache_boot+0x320/0x320) (ptrval): ffffffff00000008 (0xffffffff00000008) (ptrval): ffff8801bb4e6e20 (0xffff8801bb4e6e20) (ptrval): ffff8801bb4e6dd0 (0xffff8801bb4e6dd0) (ptrval): ffffffff81b5a244 (kasan_check_write+0x14/0x20) (ptrval): ffffea0006ed39c0 (0xffffea0006ed39c0) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e7310 (0xffff8801bb4e7310) (ptrval): 0000000000000008 (0x8) (ptrval): ffff8801bb4e7310 (0xffff8801bb4e7310) (ptrval): ffff8801bb4e6e10 (0xffff8801bb4e6e10) (ptrval): ffffffff81b5b531 (print_address_description+0x6c/0x20b) (ptrval): ffff8801bb4e7310 (0xffff8801bb4e7310) (ptrval): 0000000000000000 ... (ptrval): ffffffff8128c4d4 (__show_regs.cold.7+0x4e/0x54a) (ptrval): 0000000000000008 (0x8) (ptrval): ffff8801bb4e7310 (0xffff8801bb4e7310) (ptrval): ffff8801bb4e6e50 (0xffff8801bb4e6e50) (ptrval): ffffffff81b5b912 (kasan_report.cold.7+0x242/0x2fe) (ptrval): 0000000000000086 (0x86) (ptrval): ffff8801bb4e72e8 (0xffff8801bb4e72e8) (ptrval): 0000000000000001 (0x1) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e72e8 (0xffff8801bb4e72e8) (ptrval): ffff8801bb4e6e60 (0xffff8801bb4e6e60) (ptrval): ffffffff81b5b214 (__asan_report_load8_noabort+0x14/0x20) (ptrval): ffff8801bb4e6ec8 (0xffff8801bb4e6ec8) (ptrval): ffffffff8128c4d4 (__show_regs.cold.7+0x4e/0x54a) (ptrval): ffff8801bb4e6eb0 (0xffff8801bb4e6eb0) (ptrval): ffffffff8768230d (dump_stack_print_info.cold.2+0x43/0x52) (ptrval): ffff8801bb4e72e8 (0xffff8801bb4e72e8) (ptrval): ffffffff889b2919 (regoff.33625+0x368779/0x36e380) (ptrval): ffffffff87c79800 (__func__.46292+0x680/0x940) (ptrval): 0000000000000002 (0x2) (ptrval): ffff8801bb4e72e8 (0xffff8801bb4e72e8) (ptrval): ffffffff87c79800 (__func__.46292+0x680/0x940) (ptrval): 0000000000000002 (0x2) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e72e8 (0xffff8801bb4e72e8) (ptrval): ffff8801bb4e6f00 (0xffff8801bb4e6f00) (ptrval): ffffffff8129e71b (show_regs+0x2b/0x40) (ptrval): ffff8801bb4e72e8 (0xffff8801bb4e72e8) (ptrval): ffff8801bb4e72e8 (0xffff8801bb4e72e8) (ptrval): ffffffff87c79800 (__func__.46292+0x680/0x940) (ptrval): 0000000000000002 (0x2) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e6f28 (0xffff8801bb4e6f28) (ptrval): ffffffff8129ec5c (__die+0x90/0xc4) (ptrval): 1ffff1003769cdee (0x1ffff1003769cdee) (ptrval): 0000000057ac6e9d (0x57ac6e9d) (ptrval): ffff8801b471e640 (0xffff8801b471e640) (ptrval): ffff8801bb4e6ff8 (0xffff8801bb4e6ff8) (ptrval): ffffffff8135423b (no_context+0x3ab/0x960) (ptrval): ffffffff81071959 (kvm_mmu_notifier_release+0x59/0x90) (ptrval): ffffffff81071900 (kvm_dying_cpu+0x50/0x50) (ptrval): 0000000000000086 (0x86) (ptrval): dffffc0000000001 (0xdffffc0000000001) (ptrval): ffffed000000000b (0xffffed000000000b) (ptrval): 0000000000005688 (0x5688) (ptrval): 0000000000000002 (0x2) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889b0969 (regoff.33625+0x3667c9/0x36e380) (ptrval): ffffffff81353e90 (pgtable_bad+0x130/0x130) (ptrval): ffff8801bb4e6f98 (0xffff8801bb4e6f98) (ptrval): 1ffff1003769cdf7 (0x1ffff1003769cdf7) (ptrval): 00000001bb4e6fd0 (0x1bb4e6fd0) (ptrval): ffff8801bb4e7018 (0xffff8801bb4e7018) (ptrval): ffff8801b565b228 (0xffff8801b565b228) (ptrval): ffff8801b565ad00 (0xffff8801b565ad00) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889a59e8 (regoff.33625+0x35b848/0x36e380) (ptrval): ffffffff81b3b730 (__mmu_notifier_invalidate_range_end+0x380/0x380) (ptrval): 0000000000000002 (0x2) (ptrval): ffff8801b471e640 (0xffff8801b471e640) (ptrval): 0000000000005688 (0x5688) (ptrval): ffff8801bb4e72e8 (0xffff8801bb4e72e8) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e7058 (0xffff8801bb4e7058) (ptrval): ffffffff81354ac3 (__bad_area_nosemaphore+0x2d3/0x370) (ptrval): ffffffff00000001 (0xffffffff00000001) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffff880181609ed0 (0xffff880181609ed0) (ptrval): 0000000000000000 ... (ptrval): 00000001daf23680 (0x1daf23680) (ptrval): ffff8801bb4e72e8 (0xffff8801bb4e72e8) (ptrval): 0000000000000002 (0x2) (ptrval): 0000000000005688 (0x5688) (ptrval): 0000000000000000 ... (ptrval): 0000000000000002 (0x2) (ptrval): ffff8801bb4e7088 (0xffff8801bb4e7088) (ptrval): ffffffff81354b93 (bad_area_nosemaphore+0x33/0x40) (ptrval): 0000000000005688 (0x5688) (ptrval): ffff8801bb4e72e8 (0xffff8801bb4e72e8) (ptrval): 0000000000000000 ... (ptrval): 0000000000000001 (0x1) (ptrval): ffff8801bb4e7170 (0xffff8801bb4e7170) (ptrval): ffffffff81355643 (__do_page_fault+0x1d3/0xe40) (ptrval): ffff8801b471e640 (0xffff8801b471e640) (ptrval): ffffffff88d8e520 (rcu_callback_map+0x40/0x40) (ptrval): ffffffff81ba59c1 (__khugepaged_exit+0x421/0x680) (ptrval): ffff8801bb4e7200 (0xffff8801bb4e7200) (ptrval): ffff880100000001 (0xffff880100000001) (ptrval): 0000000000000286 (0x286) (ptrval): 1ffff1003769ce1d (0x1ffff1003769ce1d) (ptrval): 00000000000000a8 (0xa8) (ptrval): 0000000000000000 ... (ptrval): ffff8801b471e640 (0xffff8801b471e640) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889b7583 (regoff.33625+0x36d3e3/0x36e380) (ptrval): ffffffff81355470 (mm_fault_error+0x380/0x380) (ptrval): ffff8801bb4e7228 (0xffff8801bb4e7228) (ptrval): ffffffff81a9b854 (exit_mmap+0xa4/0x5a0) (ptrval): ffff8801b5d46b00 (0xffff8801b5d46b00) (ptrval): 1ffff1003769ce24 (0x1ffff1003769ce24) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889cdfa4 (K512_4+0x13c24/0x11bdbc) (ptrval): ffffffff81a9b7b0 (__ia32_sys_munmap+0x80/0x80) (ptrval): ffffffff81ba59e9 (__khugepaged_exit+0x449/0x680) (ptrval): ffff8801bb4e7228 (0xffff8801bb4e7228) (ptrval): 1ffff1003769ce32 (0x1ffff1003769ce32) (ptrval): ffff8801bb4e72e8 (0xffff8801bb4e72e8) (ptrval): 0000000000000002 (0x2) (ptrval): 0000000000005688 (0x5688) (ptrval): ffff8801bb4e72b0 (0xffff8801bb4e72b0) (ptrval): ffff8801bb4e72d8 (0xffff8801bb4e72d8) (ptrval): ffffffff813563ce (do_page_fault+0xee/0x8a7) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e7198 (0xffff8801bb4e7198) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889a59e8 (regoff.33625+0x35b848/0x36e380) (ptrval): ffffffff813562e0 (vmalloc_sync_all+0x30/0x30) (ptrval): ffffffff81650730 (rcu_note_context_switch+0x710/0x710) (ptrval): 1ffff1003769ce42 (0x1ffff1003769ce42) (ptrval): ffff8801bb4e7200 (0xffff8801bb4e7200) (ptrval): ffff8801c5f12a58 (0xffff8801c5f12a58) (ptrval): ffff8801b471e640 (0xffff8801b471e640) (ptrval): ffffffff87c88b80 (reg2hex+0x3a0/0xf80) (ptrval): 00000000000003d3 (0x3d3) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e7228 (0xffff8801bb4e7228) (ptrval): ffffffff81525705 (__might_sleep+0x95/0x190) (ptrval): 2d71598a883f2b00 (0x2d71598a883f2b00) (ptrval): ffff8801b565ad00 (0xffff8801b565ad00) (ptrval): 1ffff1003769ce4a (0x1ffff1003769ce4a) (ptrval): ffff8801bb4e7330 (0xffff8801bb4e7330) (ptrval): ffff8801bb4e72b0 (0xffff8801bb4e72b0) (ptrval): ffff8801b565ae28 (0xffff8801b565ae28) (ptrval): ffff8801bb4e7358 (0xffff8801bb4e7358) (ptrval): ffffffff8144c021 (mmput+0x251/0x610) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889c0ae8 (K512_4+0x6768/0x11bdbc) (ptrval): ffffffff815d1301 (lock_downgrade+0x851/0x8e0) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): 0000000000000086 (0x86) (ptrval): 0000000000000001 (0x1) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e72d0 (0xffff8801bb4e72d0) (ptrval): ffffffff81007c50 (trace_hardirqs_off_thunk+0x1a/0x1c) (ptrval): 0000000000000000 ... (ptrval): 0000000087800a07 (0x87800a07) (ptrval): 0000000000000001 (0x1) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e72e9 (0xffff8801bb4e72e9) (ptrval): ffffffff87800fce (page_fault+0x1e/0x30) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e69e8 (0xffff8801bb4e69e8) (ptrval): ffff8801b6573000 (0xffff8801b6573000) (ptrval): 1ffff1003769cd2d (0x1ffff1003769cd2d) (ptrval): ffff8801bb4e6a10 (0xffff8801bb4e6a10) (ptrval): 1ffff1003769cd29 (0x1ffff1003769cd29) (ptrval): ffff8801daf23693 (0xffff8801daf23693) (ptrval): ffffed003b5e46d2 (0xffffed003b5e46d2) (ptrval): ffffed003b5e46d2 (0xffffed003b5e46d2) (ptrval): ffff8801b471e640 (0xffff8801b471e640) (ptrval): dffffc0000000000 (0xdffffc0000000000) (ptrval): 0000000000000000 ... (ptrval): 1ffff10036cae600 (0x1ffff10036cae600) (ptrval): ffffffff8110983b (pte_list_remove+0x14b/0x420) (ptrval): 0000000000000007 (0x7) (ptrval): ffffffffffffffff (0xffffffffffffffff) (ptrval): ffffffff811f7452 (vmx_vcpu_run+0x942/0x25c0) (ptrval): 0000000000000010 (0x10) (ptrval): 0000000000010002 (0x10002) (ptrval): ffff8801bb4e7398 (0xffff8801bb4e7398) (ptrval): 0000000000000018 (0x18) (ptrval): 0000000000000000 ... (ptrval): ffffffff8110975b (pte_list_remove+0x6b/0x420) (ptrval): 1ffff10000000000 (0x1ffff10000000000) (ptrval): ffff8801b471ecf8 (0xffff8801b471ecf8) (ptrval): 0000000000000201 (0x201) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889bbcc0 (K512_4+0x1940/0x11bdbc) (ptrval): ffffffff8146dc30 (mm_update_next_owner+0x980/0x980) (ptrval): ffffffff889a7b58 (regoff.33625+0x35d9b8/0x36e380) (ptrval): ffffffff815c8210 (print_usage_bug+0xc0/0xc0) (ptrval): 0000000000000286 (0x286) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889a50ef (regoff.33625+0x35af4f/0x36e380) (ptrval): ffffffff815c1e00 (graph_lock+0x170/0x170) (ptrval): ffffffff815e1a5e (do_raw_spin_unlock+0x9e/0x2e0) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889a5d6c (regoff.33625+0x35bbcc/0x36e380) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889b1f80 (regoff.33625+0x367de0/0x36e380) (ptrval): ffffffff81650730 (rcu_note_context_switch+0x710/0x710) (ptrval): ffffffff815d1f7c (lock_acquire+0x1dc/0x520) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e77f0 (0xffff8801bb4e77f0) (ptrval): ffff8801b471e640 (0xffff8801b471e640) (ptrval): ffffffff87cc73e0 (tk_debug_sleep_time_fops+0x2c0/0x940) (ptrval): 0000000000000039 (0x39) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e74a8 (0xffff8801bb4e74a8) (ptrval): ffffffff81525705 (__might_sleep+0x95/0x190) (ptrval): ffff8801bb4e77d8 (0xffff8801bb4e77d8) (ptrval): ffff8801bb4e77d8 (0xffff8801bb4e77d8) (ptrval): 1ffff1003769cea6 (0x1ffff1003769cea6) (ptrval): ffff8801b471ee78 (0xffff8801b471ee78) (ptrval): ffffc90000c762a0 (0xffffc90000c762a0) (ptrval): ffffc90000c762a0 (0xffffc90000c762a0) (ptrval): 000000000000008e (0x8e) (ptrval): ffff8801b471ee9a (0xffff8801b471ee9a) (ptrval): 0000000000000000 ... (ptrval): 000000000000000c (0xc) (ptrval): ffff8801b471ee64 (0xffff8801b471ee64) (ptrval): ffff8801bb4e7870 (0xffff8801bb4e7870) (ptrval): ffffffff815cb585 (__lock_acquire+0x7f5/0x5140) (ptrval): ffffc90000c762a0 (0xffffc90000c762a0) (ptrval): ffff8801b471e640 (0xffff8801b471e640) (ptrval): ffff8801bb4e7550 (0xffff8801bb4e7550) (ptrval): ffff8801bb4e7638 (0xffff8801bb4e7638) (ptrval): 0000000000000286 (0x286) (ptrval): 0000000000000000 ... (ptrval): ffff880100000001 (0xffff880100000001) (ptrval): ffff8801b471ee70 (0xffff8801b471ee70) (ptrval): 0000000000000286 (0x286) (ptrval): ffffffff00000001 (0xffffffff00000001) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889c0ae8 (K512_4+0x6768/0x11bdbc) (ptrval): ffff8801b471ee90 (0xffff8801b471ee90) (ptrval): ffffc90000000000 (0xffffc90000000000) (ptrval): ffffffff8a2219c0 (chainhash_table+0x3a1c0/0x40020) (ptrval): 00000000000020c1 (0x20c1) (ptrval): ffff8801b471ee98 (0xffff8801b471ee98) (ptrval): ffff8801b471ee70 (0xffff8801b471ee70) (ptrval): ffff8801b471ee78 (0xffff8801b471ee78) (ptrval): 1ffff1003769ceb0 (0x1ffff1003769ceb0) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889c0a58 (K512_4+0x66d8/0x11bdbc) (ptrval): ffffffff815cad90 (debug_check_no_locks_freed+0x310/0x310) (ptrval): 000000000000022e (0x22e) (ptrval): ffff8801bb4e7638 (0xffff8801bb4e7638) (ptrval): ffffffff815e1a5e (do_raw_spin_unlock+0x9e/0x2e0) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889a5d6c (regoff.33625+0x35bbcc/0x36e380) (ptrval): ffffffff815e19c0 (do_raw_spin_trylock+0x1b0/0x1b0) (ptrval): 0000000000000000 ... (ptrval): 0000000000000001 (0x1) (ptrval): 0000000000000000 ... (ptrval): ffffc90000c76298 (0xffffc90000c76298) (ptrval): ffffc90000c762c0 (0xffffc90000c762c0) (ptrval): ffffffff81b5a244 (kasan_check_write+0x14/0x20) (ptrval): ffff8801bb4e7630 (0xffff8801bb4e7630) (ptrval): ffffffff81794403 (__sanitizer_cov_trace_switch+0x53/0x90) (ptrval): 0000000000000002 (0x2) (ptrval): ffff8801b565ad00 (0xffff8801b565ad00) (ptrval): ffff8801bb4e7878 (0xffff8801bb4e7878) (ptrval): ffffffff89be1ec8 (lock_chains+0x2948/0x200020) (ptrval): ffffffff8179434a (__sanitizer_cov_trace_const_cmp1+0x1a/0x20) (ptrval): ffff8801bb4e7650 (0xffff8801bb4e7650) (ptrval): ffffffff816bfb2d (drop_futex_key_refs.isra.13+0x6d/0xe0) (ptrval): ffff8801bb4e7650 (0xffff8801bb4e7650) (ptrval): ffffffff817943a8 (__sanitizer_cov_trace_const_cmp8+0x18/0x20) (ptrval): ffff8801bb4e78a0 (0xffff8801bb4e78a0) (ptrval): ffffffff816c62d1 (futex_wait+0x5c1/0x9f0) (ptrval): ffff8801bb4e7718 (0xffff8801bb4e7718) (ptrval): 1ffff1003769ced7 (0x1ffff1003769ced7) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e7808 (0xffff8801bb4e7808) (ptrval): 00000000ffffffff (0xffffffff) (ptrval): 000000000072bf78 (0x72bf78) (ptrval): ffff8801bb4e76d8 (0xffff8801bb4e76d8) (ptrval): ffff8801bb4e7758 (0xffff8801bb4e7758) (ptrval): ffffed003769cf01 (0xffffed003769cf01) (ptrval): fffffe0000000001 (0xfffffe0000000001) (ptrval): 0000000000000000 ... (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889c5238 (K512_4+0xaeb8/0x11bdbc) (ptrval): ffffffff816c5d10 (futex_wait_setup+0x400/0x400) (ptrval): ffffea0006218020 (0xffffea0006218020) (ptrval): ffffc90000c76280 (0xffffc90000c76280) (ptrval): ffff8801bb4e7718 (0xffff8801bb4e7718) (ptrval): ffffffff81794403 (__sanitizer_cov_trace_switch+0x53/0x90) (ptrval): 0000000000000002 (0x2) (ptrval): ffff8801b565ad00 (0xffff8801b565ad00) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e7718 (0xffff8801bb4e7718) (ptrval): ffffffff8179434a (__sanitizer_cov_trace_const_cmp1+0x1a/0x20) (ptrval): ffffc90000c76288 (0xffffc90000c76288) (ptrval): ffffffff816bfb2d (drop_futex_key_refs.isra.13+0x6d/0xe0) (ptrval): dffffc0000000000 (0xdffffc0000000000) (ptrval): ffffc90000c7d600 (0xffffc90000c7d600) (ptrval): ffff8801bb4e78a0 (0xffff8801bb4e78a0) (ptrval): ffffffff816c54b6 (futex_wake+0x2f6/0x750) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889a50ef (regoff.33625+0x35af4f/0x36e380) (ptrval): ffffffff815c1e00 (graph_lock+0x170/0x170) (ptrval): ffffffff00000000 (0xffffffff00000000) (ptrval): 00000000ffffffff (0xffffffff) (ptrval): ffffffff876e8060 (__mutex_unlock_slowpath+0x180/0x8a0) (ptrval): ffff8801bb4e77f8 (0xffff8801bb4e77f8) (ptrval): ffff8801bb4e7838 (0xffff8801bb4e7838) (ptrval): 1ffff1003769cef4 (0x1ffff1003769cef4) (ptrval): 0000000000000000 ... (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889c5208 (K512_4+0xae88/0x11bdbc) (ptrval): ffff8801bb4e7c9c (0xffff8801bb4e7c9c) (ptrval): 0000000000000074 (0x74) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e77e8 (0xffff8801bb4e77e8) (ptrval): ffffffff81b5a8a1 (memset+0x31/0x40) (ptrval): 1ffff1003769cf05 (0x1ffff1003769cf05) (ptrval): ffff8801b471ed20 (0xffff8801b471ed20) (ptrval): 0000000000000000 ... (ptrval): 1ffff1003769cf12 (0x1ffff1003769cf12) (ptrval): ffff8801b471ee78 (0xffff8801b471ee78) (ptrval): ffff8801afdafae0 (0xffff8801afdafae0) (ptrval): ffff8801afdafae0 (0xffff8801afdafae0) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e7858 (0xffff8801bb4e7858) (ptrval): ffffffff815c26e6 (find_held_lock+0x36/0x1c0) (ptrval): 00000001bb4e7830 (0x1bb4e7830) (ptrval): ffff8801bb4e78b0 (0xffff8801bb4e78b0) (ptrval): 1ffff1003769cf12 (0x1ffff1003769cf12) (ptrval): ffff8801bb4e7970 (0xffff8801bb4e7970) (ptrval): ffff8801afdafae0 (0xffff8801afdafae0) (ptrval): ffff8801b471e640 (0xffff8801b471e640) (ptrval): ffff8801bb4e78b0 (0xffff8801bb4e78b0) (ptrval): ffff8801bb4e7998 (0xffff8801bb4e7998) (ptrval): 0000000000000086 (0x86) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff00000001 (0xffffffff00000001) (ptrval): ffff8801b471ee70 (0xffff8801b471ee70) (ptrval): 0000000000000086 (0x86) (ptrval): ffffffff00000001 (0xffffffff00000001) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889c0ae8 (K512_4+0x6768/0x11bdbc) (ptrval): ffffffff815d1390 (lock_downgrade+0x8e0/0x8e0) (ptrval): dffffc0000000000 (0xdffffc0000000000) (ptrval): 0000000000000000 ... (ptrval): 0000000000000286 (0x286) (ptrval): ffff8801afdafae0 (0xffff8801afdafae0) (ptrval): 1ffff1003769cf25 (0x1ffff1003769cf25) (ptrval): 1ffff1003769cf22 (0x1ffff1003769cf22) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e7988 (0xffff8801bb4e7988) (ptrval): ffff8801b568b1c0 (0xffff8801b568b1c0) (ptrval): 0000000000000004 (0x4) (ptrval): ffff8801b568b25c (0xffff8801b568b25c) (ptrval): ffff8801bb4e79b0 (0xffff8801bb4e79b0) (ptrval): ffffffff814705af (do_group_exit+0x16f/0x430) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889a5d6c (regoff.33625+0x35bbcc/0x36e380) (ptrval): ffffffff815e19c0 (do_raw_spin_trylock+0x1b0/0x1b0) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889a5ac6 (regoff.33625+0x35b926/0x36e380) (ptrval): ffffffff81470440 (__ia32_sys_exit+0x50/0x50) (ptrval): ffff8801b471e640 (0xffff8801b471e640) (ptrval): ffffffff876f6f17 (_raw_spin_unlock_irq+0x27/0x70) (ptrval): 0000000000000000 ... (ptrval): 0000000000000009 (0x9) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e7988 (0xffff8801bb4e7988) (ptrval): ffffffff815ca171 (trace_hardirqs_on_caller+0x421/0x5c0) (ptrval): ffff8801afdafac8 (0xffff8801afdafac8) (ptrval): ffff8801b471e640 (0xffff8801b471e640) (ptrval): dffffc0000000000 (0xdffffc0000000000) (ptrval): 0000000000000000 ... (ptrval): 0000000000000009 (0x9) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e7b60 (0xffff8801bb4e7b60) (ptrval): ffffffff814a6cd6 (get_signal+0x886/0x1960) (ptrval): 1ffff1003769cf43 (0x1ffff1003769cf43) (ptrval): ffffed003769cf5f (0xffffed003769cf5f) (ptrval): ffff8801bb4e7c70 (0xffff8801bb4e7c70) (ptrval): 0000000000000108 (0x108) (ptrval): ffff8801b568b25c (0xffff8801b568b25c) (ptrval): ffff8801afdafac8 (0xffff8801afdafac8) (ptrval): ffff8801b568b1c0 (0xffff8801b568b1c0) (ptrval): ffffffff00000004 (0xffffffff00000004) (ptrval): 00000008b353e500 (0x8b353e500) (ptrval): ffff8801afdaf2c0 (0xffff8801afdaf2c0) (ptrval): ffff8801bb4e7c90 (0xffff8801bb4e7c90) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889aab78 (regoff.33625+0x3609d8/0x36e380) (ptrval): ffffffff814a6450 (ptrace_notify+0x130/0x130) (ptrval): 00000000889a5d6c (0x889a5d6c) (ptrval): 1ffff10000000000 (0x1ffff10000000000) (ptrval): ffff8801b6f78d00 (0xffff8801b6f78d00) (ptrval): 1ffff1003769cf51 (0x1ffff1003769cf51) (ptrval): ffff8801daf23680 (0xffff8801daf23680) (ptrval): ffff8801daf23690 (0xffff8801daf23690) (ptrval): ffff8801bb4e7a70 (0xffff8801bb4e7a70) (ptrval): ffffffff81b5a221 (kasan_check_read+0x11/0x20) (ptrval): ffff8801bb4e7b10 (0xffff8801bb4e7b10) (ptrval): ffffffff81645395 (rcu_is_watching+0x85/0x140) (ptrval): ffff8801bb4e7ad0 (0xffff8801bb4e7ad0) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889a5d6c (regoff.33625+0x35bbcc/0x36e380) (ptrval): ffffffff81645310 (rcu_bh_force_quiescent_state+0x20/0x20) (ptrval): ffffffff88d8e5a0 (rcu_bh_lock_map+0x40/0x40) (ptrval): 0000000000000000 ... (ptrval): ffff8801b471e640 (0xffff8801b471e640) (ptrval): ffffffff88d8e5a0 (rcu_bh_lock_map+0x40/0x40) (ptrval): ffff8801bb4e7c48 (0xffff8801bb4e7c48) (ptrval): ffff8801bbc33080 (0xffff8801bbc33080) (ptrval): ffff8801bb4e7b00 (0xffff8801bb4e7b00) (ptrval): 0000000000000286 (0x286) (ptrval): dffffc0000000000 (0xdffffc0000000000) (ptrval): 0000000000000001 (0x1) (ptrval): ffff8801c5e69db0 (0xffff8801c5e69db0) (ptrval): 0000000000000000 ... (ptrval): 0000000000000001 (0x1) (ptrval): ffff8801bb4e7c70 (0xffff8801bb4e7c70) (ptrval): ffffffff81c7dcac (__fget+0x40c/0x650) (ptrval): ffff8801bb4e7bc8 (0xffff8801bb4e7bc8) (ptrval): 1ffff1003769cf6d (0x1ffff1003769cf6d) (ptrval): 0000001500004000 (0x1500004000) (ptrval): 1ffff1003769cf7a (0x1ffff1003769cf7a) (ptrval): ffff8801bb4e7f58 (0xffff8801bb4e7f58) (ptrval): ffff8801bb4e7c70 (0xffff8801bb4e7c70) (ptrval): fffffbfff11a31ae (0xfffffbfff11a31ae) (ptrval): dffffc0000000000 (0xdffffc0000000000) (ptrval): ffff8801bb4e7d78 (0xffff8801bb4e7d78) (ptrval): ffffffff8128e738 (do_signal+0x98/0x2040) (ptrval): ffffffff889a59c0 (regoff.33625+0x35b820/0x36e380) (ptrval): ffffffff81c7d8a0 (expand_files.part.8+0x9a0/0x9a0) (ptrval): ffff880100000001 (0xffff880100000001) (ptrval): 0000000000000001 (0x1) (ptrval): 0000000000000086 (0x86) (ptrval): ffffffff00000001 (0xffffffff00000001) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889c0ae8 (K512_4+0x6768/0x11bdbc) (ptrval): ffffffff815d1390 (lock_downgrade+0x8e0/0x8e0) (ptrval): ffff8801c5e69ac0 (0xffff8801c5e69ac0) (ptrval): 0000000000000000 ... (ptrval): ffff8801b6434300 (0xffff8801b6434300) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889b20d8 (regoff.33625+0x367f38/0x36e380) (ptrval): ffffffff8128e6a0 (setup_sigcontext+0x7d0/0x7d0) (ptrval): ffff8801b471edb8 (0xffff8801b471edb8) (ptrval): ffff8801bb4e7c00 (0xffff8801bb4e7c00) (ptrval): ffffffff817943a8 (__sanitizer_cov_trace_const_cmp8+0x18/0x20) (ptrval): ffff8801bb4e7cf0 (0xffff8801bb4e7cf0) (ptrval): ffffffff8193b942 (user_return_notifier_unregister+0x232/0x360) (ptrval): ffffffff810700c0 (kvm_uevent_notify_change.part.29+0x440/0x440) (ptrval): ffff8801daf28288 (0xffff8801daf28288) (ptrval): 0000000000000000 ... (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889a50ef (regoff.33625+0x35af4f/0x36e380) (ptrval): ffffffff8193b710 (uprobe_notify_resume.cold.32+0x11e/0x11e) (ptrval): 0000000000000001 (0x1) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e7d78 (0xffff8801bb4e7d78) (ptrval): 0000000000000015 (0x15) (ptrval): dffffc0000000000 (0xdffffc0000000000) (ptrval): 0000000000000000 ... (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889d99e8 (K512_4+0x1f668/0x11bdbc) (ptrval): ffff8801b471ee70 (0xffff8801b471ee70) (ptrval): 0000000000000000 ... (ptrval): 0000000000000009 (0x9) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e7e20 (0xffff8801bb4e7e20) (ptrval): ffff8801bb4e7e20 (0xffff8801bb4e7e20) (ptrval): ffff8801b471e640 (0xffff8801b471e640) (ptrval): ffffffff8100aa17 (exit_to_usermode_loop+0x87/0x310) (ptrval): ffff8801bb4e7df8 (0xffff8801bb4e7df8) (ptrval): fffffbfff11a31ae (0xfffffbfff11a31ae) (ptrval): 1ffff1003769cfdc (0x1ffff1003769cfdc) (ptrval): 2d71598a883f2b00 (0x2d71598a883f2b00) (ptrval): 0000000000000004 (0x4) (ptrval): dffffc0000000000 (0xdffffc0000000000) (ptrval): ffff8801bb4e7df8 (0xffff8801bb4e7df8) (ptrval): fffffbfff11a31ae (0xfffffbfff11a31ae) (ptrval): 0000000000000004 (0x4) (ptrval): ffff8801bb4e7e20 (0xffff8801bb4e7e20) (ptrval): ffffffff8100ac1a (exit_to_usermode_loop+0x28a/0x310) (ptrval): 1ffff1003769cfb3 (0x1ffff1003769cfb3) (ptrval): ffff8801bb4e7f58 (0xffff8801bb4e7f58) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889a5ac6 (regoff.33625+0x35b926/0x36e380) (ptrval): ffffffff8100a990 (syscall_slow_exit_work+0x4f0/0x4f0) (ptrval): ffff8801b471ee70 (0xffff8801b471ee70) (ptrval): 0000000000000000 ... (ptrval): ffffffff81c4b211 (ksys_ioctl+0x81/0xd0) (ptrval): ffff8801b471e640 (0xffff8801b471e640) (ptrval): ffffffff8100c172 (do_syscall_64+0x92/0x800) (ptrval): ffff8801bb4e7f20 (0xffff8801bb4e7f20) (ptrval): ffff8801bb4e7f58 (0xffff8801bb4e7f58) (ptrval): dffffc0000000000 (0xdffffc0000000000) (ptrval): 0000000000000086 (0x86) (ptrval): ffff8801b471e640 (0xffff8801b471e640) (ptrval): 1ffff1003769cfc8 (0x1ffff1003769cfc8) (ptrval): 0000000000000004 (0x4) (ptrval): ffff8801bb4e7f58 (0xffff8801bb4e7f58) (ptrval): 1ffff1003769cfdc (0x1ffff1003769cfdc) (ptrval): ffff8801bb4e7f48 (0xffff8801bb4e7f48) (ptrval): ffffffff8100c78c (do_syscall_64+0x6ac/0x800) (ptrval): ffffffff8151d79a (finish_task_switch+0x1ca/0x840) (ptrval): 0000000000000004 (0x4) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889a59c0 (regoff.33625+0x35b820/0x36e380) (ptrval): ffffffff8100c0e0 (syscall_return_slowpath+0x5c0/0x5c0) (ptrval): ffff8801bb4e7e68 (0xffff8801bb4e7e68) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e7f48 (0xffff8801bb4e7f48) (ptrval): ffffffff8100be2f (syscall_return_slowpath+0x30f/0x5c0) (ptrval): ffff8801bb4e7f58 (0xffff8801bb4e7f58) (ptrval): 0000000041b58ab3 (0x41b58ab3) (ptrval): ffffffff889a50ef (regoff.33625+0x35af4f/0x36e380) (ptrval): ffff8801b471ee70 (0xffff8801b471ee70) (ptrval): ffff8801bb4e7ea8 (0xffff8801bb4e7ea8) (ptrval): 0000000000000004 (0x4) (ptrval): ffff8801b471e640 (0xffff8801b471e640) (ptrval): ffffffff8780009d (entry_SYSCALL_64_after_hwframe+0x59/0xbe) (ptrval): 0000000000000000 ... (ptrval): 0000000000000086 (0x86) (ptrval): 0000000000000000 ... (ptrval): 0000000000000004 (0x4) (ptrval): 0000000000000000 ... (ptrval): ffff8801bb4e7f48 (0xffff8801bb4e7f48) (ptrval): ffffffff81007c50 (trace_hardirqs_off_thunk+0x1a/0x1c) (ptrval): 0000000000000000 ... (ptrval): ffffffff8780008d (entry_SYSCALL_64_after_hwframe+0x49/0xbe) (ptrval): 0000000000000001 (0x1) (ptrval): 00007f33783879c0 (0x7f33783879c0) (ptrval): 0000000000a3e81f (0xa3e81f) (ptrval): 0000000000000000 ... (ptrval): 000000000072bf78 (0x72bf78) (ptrval): 000000000072bf78 (0x72bf78) (ptrval): 0000000000000246 (0x246) (ptrval): 0000000000000000 ... (ptrval): 000000000072bf50 (0x72bf50) (ptrval): 0000000000000000 ... (ptrval): fffffffffffffe00 (0xfffffffffffffe00) (ptrval): 0000000000455a09 (0x455a09) (ptrval): 0000000000000000 ... (ptrval): 000000000072bf78 (0x72bf78) (ptrval): 00000000000000ca (0xca) (ptrval): 0000000000455a09 (0x455a09) (ptrval): 0000000000000033 (0x33) (ptrval): 0000000000000246 (0x246) (ptrval): 00007f3378386ce8 (0x7f3378386ce8) (ptrval): 000000000000002b (0x2b) TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. The buggy address belongs to the page: page:ffffea0006ed39c0 count:0 mapcount:0 mapping:0000000000000000 index:0x0 flags: 0x2fffc0000000000() raw: 02fffc0000000000 0000000000000000 0000000000000000 00000000ffffffff raw: 0000000000000000 ffffea0006ed0101 0000000000000000 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8801bb4e7200: f2 f2 f2 f2 f2 f2 00 f2 f2 f2 f2 f2 f2 f2 00 f2 ffff8801bb4e7280: f2 f2 f3 f3 f3 f3 00 f2 f2 f2 f2 f2 f2 f2 00 f2 >ffff8801bb4e7300: f2 f2 f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 ^ ffff8801bb4e7380: 00 00 00 00 00 00 00 f1 f1 f1 f1 04 f2 f2 f2 f2 ffff8801bb4e7400: f2 f2 f2 04 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 f2 ==================================================================