Warning: Permanently added '10.128.0.184' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 65.912665][ T6862] mm ffff88809ec24a00 mmap ffff88809b9be670 seqnum 0 task_size 140737488351232 [ 65.912665][ T6862] get_unmapped_area ffffffff8129caa0 [ 65.912665][ T6862] mmap_base 140607608221696 mmap_legacy_base 47025186947072 highest_vm_end 140728702996480 [ 65.912665][ T6862] pgd ffff8880a6686000 mm_users 3 mm_count 1 pgtables_bytes 40960 map_count 14 [ 65.912665][ T6862] hiwater_rss b hiwater_vm 1130 total_vm 1172 locked_vm 0 [ 65.912665][ T6862] pinned_vm 0 data_vm 106d exec_vm dc stack_vm 21 [ 65.912665][ T6862] start_code 400000 end_code 4d918f start_data 6d9ea8 end_data 6dbb90 [ 65.912665][ T6862] start_brk 9fb000 brk a1e000 start_stack 7ffdf44b27a0 [ 65.912665][ T6862] arg_start 7ffdf44b2ec3 arg_end 7ffdf44b2edb env_start 7ffdf44b2edb env_end 7ffdf44b2fe0 [ 65.912665][ T6862] binfmt ffffffff89d6d2e0 flags cd core_state ffffc900017a7c18 [ 65.912665][ T6862] ioctx_table 0000000000000000 [ 65.912665][ T6862] owner ffff88809e32c3c0 exe_file ffff8880a6746780 [ 65.916728][ T6863] mm ffff88809dbb2f00 mmap ffff8880a11cf148 seqnum 0 task_size 140737488351232 [ 65.916728][ T6863] get_unmapped_area ffffffff8129caa0 [ 65.916728][ T6863] mmap_base 140607608221696 mmap_legacy_base 47025186947072 highest_vm_end 140728702996480 [ 65.916728][ T6863] pgd ffff8880a7d29000 mm_users 3 mm_count 1 pgtables_bytes 40960 map_count 14 [ 65.916728][ T6863] hiwater_rss b hiwater_vm 1130 total_vm 1172 locked_vm 0 [ 65.916728][ T6863] pinned_vm 0 data_vm 106d exec_vm dc stack_vm 21 [ 65.916728][ T6863] start_code 400000 end_code 4d918f start_data 6d9ea8 end_data 6dbb90 [ 65.916728][ T6863] start_brk 9fb000 brk a1e000 start_stack 7ffdf44b27a0 [ 65.916728][ T6863] arg_start 7ffdf44b2ec3 arg_end 7ffdf44b2edb env_start 7ffdf44b2edb env_end 7ffdf44b2fe0 [ 65.916728][ T6863] binfmt ffffffff89d6d2e0 flags cd core_state ffffc900017b7c18 [ 65.916728][ T6863] ioctx_table 0000000000000000 [ 65.916728][ T6863] owner ffff8880a1bee440 exe_file ffff8880a6746780 [ 66.003767][ T6853] mm ffff88808efca480 mmap ffff8880a1f2e040 seqnum 0 task_size 140737488351232 [ 66.003767][ T6853] get_unmapped_area ffffffff8129caa0 [ 66.003767][ T6853] mmap_base 140607608221696 mmap_legacy_base 47025186947072 highest_vm_end 140728702996480 [ 66.003767][ T6853] pgd ffff88809e39e000 mm_users 3 mm_count 1 pgtables_bytes 40960 map_count 14 [ 66.003767][ T6853] hiwater_rss b hiwater_vm 1130 total_vm 1172 locked_vm 0 [ 66.003767][ T6853] pinned_vm 0 data_vm 106d exec_vm dc stack_vm 21 [ 66.003767][ T6853] start_code 400000 end_code 4d918f start_data 6d9ea8 end_data 6dbb90 [ 66.003767][ T6853] start_brk 9fb000 brk a1e000 start_stack 7ffdf44b27a0 [ 66.003767][ T6853] arg_start 7ffdf44b2ec3 arg_end 7ffdf44b2edb env_start 7ffdf44b2edb env_end 7ffdf44b2fe0 [ 66.003767][ T6853] binfmt ffffffff89d6d2e0 flags cd core_state ffffc90001797c18 [ 66.003767][ T6853] ioctx_table 0000000000000000 [ 66.003767][ T6853] owner ffff888093702000 exe_file ffff8880a6746780 [ 66.090595][ T6861] mm ffff8880983a4280 mmap ffff88809456e880 seqnum 0 task_size 140737488351232 [ 66.090595][ T6861] get_unmapped_area ffffffff8129caa0 [ 66.090595][ T6861] mmap_base 140607608221696 mmap_legacy_base 47025186947072 highest_vm_end 140728702996480 [ 66.090595][ T6861] pgd ffff88809f538000 mm_users 3 mm_count 1 pgtables_bytes 40960 map_count 14 [ 66.090595][ T6861] hiwater_rss b hiwater_vm 1130 total_vm 1172 locked_vm 0 [ 66.090595][ T6861] pinned_vm 0 data_vm 106d exec_vm dc stack_vm 21 [ 66.090595][ T6861] start_code 400000 end_code 4d918f start_data 6d9ea8 end_data 6dbb90 [ 66.090595][ T6861] start_brk 9fb000 brk a1e000 start_stack 7ffdf44b27a0 [ 66.090595][ T6861] arg_start 7ffdf44b2ec3 arg_end 7ffdf44b2edb env_start 7ffdf44b2edb env_end 7ffdf44b2fe0 [ 66.090595][ T6861] binfmt ffffffff89d6d2e0 flags cd core_state ffffc90001787c18 [ 66.090595][ T6861] ioctx_table 0000000000000000 executing program [ 66.090595][ T6861] owner ffff888094a36480 exe_file ffff8880a6746780 [ 66.181081][ T6862] ------------[ cut here ]------------ [ 66.269902][ T6863] ------------[ cut here ]------------ [ 66.288663][ T6853] ------------[ cut here ]------------ [ 66.288674][ T6853] kernel BUG at mm/khugepaged.c:469! [ 66.288696][ T6853] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 66.305470][ T6853] CPU: 1 PID: 6853 Comm: syz-executor058 Not tainted 5.8.0-next-20200812-syzkaller #0 [ 66.310836][ T6861] ------------[ cut here ]------------ [ 66.315008][ T6853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.315031][ T6853] RIP: 0010:__khugepaged_enter+0x306/0x3d0 [ 66.315043][ T6853] Code: e4 49 81 fe 60 bd d2 89 74 2a e8 d5 61 bb ff 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 c2 61 bb ff 48 89 ef e8 9a bf e9 ff <0f> 0b 41 bc f4 ff ff ff eb d6 e8 ab 61 bb ff 31 c9 ba 01 00 00 00 [ 66.315050][ T6853] RSP: 0018:ffffc900016a7930 EFLAGS: 00010282 [ 66.315062][ T6853] RAX: 0000000000000363 RBX: 0000000000000003 RCX: 0000000000000000 [ 66.315071][ T6853] RDX: ffff8880a79383c0 RSI: ffffffff815da8f7 RDI: fffff520002d4ec5 [ 66.315079][ T6853] RBP: ffff88808efca480 R08: 0000000000000363 R09: ffff8880ae7318e7 [ 66.315096][ T6853] R10: 0000000000000000 R11: 666620656c69776f R12: ffff8880a2b508f0 [ 66.328859][ T6861] kernel BUG at mm/khugepaged.c:469! [ 66.330584][ T6853] R13: ffff88808efca4dc R14: 0000000020000000 R15: ffffc900016a7a68 [ 66.330597][ T6853] FS: 00007fe1c28a6700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 66.330606][ T6853] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.330615][ T6853] CR2: 00000000004b4e20 CR3: 000000009e39e000 CR4: 00000000001506e0 [ 66.330632][ T6853] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.345344][ T6863] kernel BUG at mm/khugepaged.c:469! [ 66.356021][ T6853] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.356027][ T6853] Call Trace: [ 66.356053][ T6853] do_huge_pmd_anonymous_page+0xaa1/0x2230 [ 66.356070][ T6853] handle_mm_fault+0x36dd/0x45e0 [ 66.356086][ T6853] ? apply_to_existing_page_range+0x40/0x40 [ 66.356101][ T6853] ? vmacache_update+0xce/0x140 [ 66.356125][ T6853] do_user_addr_fault+0x598/0xbf0 [ 66.481373][ T6853] ? trace_hardirqs_off+0x70/0x210 [ 66.486469][ T6853] exc_page_fault+0xa8/0x160 [ 66.491058][ T6853] asm_exc_page_fault+0x1e/0x30 [ 66.495889][ T6853] RIP: 0010:copy_user_generic_unrolled+0x89/0xc0 [ 66.502191][ T6853] Code: 38 4c 89 47 20 4c 89 4f 28 4c 89 57 30 4c 89 5f 38 48 8d 76 40 48 8d 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 <4c> 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a [ 66.521789][ T6853] RSP: 0018:ffffc900016a7c78 EFLAGS: 00010206 [ 66.527857][ T6853] RAX: 0000000000000001 RBX: 0000000020000000 RCX: 0000000000000006 [ 66.535815][ T6853] RDX: 0000000000000001 RSI: ffff88809f514000 RDI: 0000000020000000 [ 66.543770][ T6853] RBP: ffff88809f514000 R08: 322020205b3e353c R09: ffff88809f514030 [ 66.551740][ T6853] R10: ffffed1013ea2806 R11: 0000000000000000 R12: 0000000000000031 [ 66.559696][ T6853] R13: 0000000020000031 R14: 00007ffffffff000 R15: 0000000000000000 [ 66.567676][ T6853] _copy_to_user+0x11e/0x160 [ 66.572252][ T6853] syslog_print_all+0x34c/0x590 [ 66.577098][ T6853] ? console_trylock+0x90/0x90 [ 66.581841][ T6853] ? fault_around_bytes_set+0x90/0x90 [ 66.587191][ T6853] ? _raw_spin_unlock+0x24/0x40 [ 66.592019][ T6853] ? find_held_lock+0x2d/0x110 [ 66.596763][ T6853] do_syslog.part.0+0x3ff/0x8d0 [ 66.601591][ T6853] ? wake_up_klogd_work_func+0xf0/0xf0 [ 66.607026][ T6853] ? vmacache_update+0xce/0x140 [ 66.611871][ T6853] ? lock_is_held_type+0xbb/0xf0 [ 66.616785][ T6853] ? syscall_enter_from_user_mode+0x20/0x290 [ 66.622754][ T6853] ? bpf_lsm_syslog+0x5/0x10 [ 66.627338][ T6853] ? security_syslog+0x73/0x90 [ 66.632094][ T6853] __x64_sys_syslog+0x97/0xc0 [ 66.636752][ T6853] do_syscall_64+0x2d/0x70 [ 66.641148][ T6853] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.647022][ T6853] RIP: 0033:0x4467d9 [ 66.650910][ T6853] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 db 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 66.670496][ T6853] RSP: 002b:00007fe1c28a5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000067 [ 66.678895][ T6853] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004467d9 [ 66.686851][ T6853] RDX: 00000000000000ce RSI: 0000000020000000 RDI: 0000000000000003 [ 66.694804][ T6853] RBP: 00000000006dbc20 R08: 00007fe1c28a6700 R09: 0000000000000000 [ 66.702772][ T6853] R10: 00007fe1c28a6700 R11: 0000000000000246 R12: 00000000006dbc2c [ 66.710743][ T6853] R13: 00007ffdf44b256f R14: 00007fe1c28a69c0 R15: 000000000000002d [ 66.718739][ T6853] Modules linked in: [ 66.722681][ T6861] invalid opcode: 0000 [#2] PREEMPT SMP KASAN [ 66.724906][ T6862] kernel BUG at mm/khugepaged.c:469! [ 66.728761][ T6861] CPU: 0 PID: 6861 Comm: syz-executor058 Tainted: G D 5.8.0-next-20200812-syzkaller #0 [ 66.728783][ T6861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.754981][ T6861] RIP: 0010:__khugepaged_enter+0x306/0x3d0 [ 66.760784][ T6861] Code: e4 49 81 fe 60 bd d2 89 74 2a e8 d5 61 bb ff 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 c2 61 bb ff 48 89 ef e8 9a bf e9 ff <0f> 0b 41 bc f4 ff ff ff eb d6 e8 ab 61 bb ff 31 c9 ba 01 00 00 00 [ 66.780385][ T6861] RSP: 0018:ffffc90001737930 EFLAGS: 00010282 [ 66.786427][ T6861] RAX: 0000000000000363 RBX: 0000000000000003 RCX: 0000000000000000 [ 66.794388][ T6861] RDX: ffff888094bd2540 RSI: ffffffff815da8f7 RDI: fffff520002e6ec5 [ 66.802336][ T6861] RBP: ffff8880983a4280 R08: 0000000000000363 R09: ffff8880ae6318e7 [ 66.810379][ T6861] R10: 0000000000000000 R11: 666620656c69776f R12: ffff8880a2b50dc0 [ 66.818328][ T6861] R13: ffff8880983a42dc R14: 0000000020000000 R15: ffffc90001737a68 [ 66.826276][ T6861] FS: 00007fe1c28a6700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 66.835204][ T6861] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.841768][ T6861] CR2: 00007f6b63b57018 CR3: 000000009f538000 CR4: 00000000001506f0 [ 66.849735][ T6861] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.857701][ T6861] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.865750][ T6861] Call Trace: [ 66.869038][ T6861] do_huge_pmd_anonymous_page+0xaa1/0x2230 [ 66.874826][ T6861] handle_mm_fault+0x36dd/0x45e0 [ 66.879757][ T6861] ? apply_to_existing_page_range+0x40/0x40 [ 66.885629][ T6861] ? vmacache_update+0xce/0x140 [ 66.890457][ T6861] do_user_addr_fault+0x598/0xbf0 [ 66.895475][ T6861] ? trace_hardirqs_off+0x70/0x210 [ 66.900563][ T6861] exc_page_fault+0xa8/0x160 [ 66.905148][ T6861] asm_exc_page_fault+0x1e/0x30 [ 66.909977][ T6861] RIP: 0010:copy_user_generic_unrolled+0x89/0xc0 [ 66.916288][ T6861] Code: 38 4c 89 47 20 4c 89 4f 28 4c 89 57 30 4c 89 5f 38 48 8d 76 40 48 8d 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 <4c> 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a [ 66.935888][ T6861] RSP: 0018:ffffc90001737c78 EFLAGS: 00010206 [ 66.941936][ T6861] RAX: 0000000000000001 RBX: 0000000020000000 RCX: 0000000000000006 [ 66.949887][ T6861] RDX: 0000000000000001 RSI: ffff88809ec60800 RDI: 0000000020000000 [ 66.957851][ T6861] RBP: ffff88809ec60800 R08: 322020205b3e353c R09: ffff88809ec60830 [ 66.965802][ T6861] R10: ffffed1013d8c106 R11: 0000000000000000 R12: 0000000000000031 [ 66.973754][ T6861] R13: 0000000020000031 R14: 00007ffffffff000 R15: 0000000000000000 [ 66.981764][ T6861] _copy_to_user+0x11e/0x160 [ 66.986337][ T6861] syslog_print_all+0x34c/0x590 [ 66.991173][ T6861] ? console_trylock+0x90/0x90 [ 66.995928][ T6861] ? fault_around_bytes_set+0x90/0x90 [ 67.001286][ T6861] ? _raw_spin_unlock+0x24/0x40 [ 67.006114][ T6861] ? find_held_lock+0x2d/0x110 [ 67.010856][ T6861] do_syslog.part.0+0x3ff/0x8d0 [ 67.015688][ T6861] ? wake_up_klogd_work_func+0xf0/0xf0 [ 67.021127][ T6861] ? vmacache_update+0xce/0x140 [ 67.025957][ T6861] ? lock_is_held_type+0xbb/0xf0 [ 67.030871][ T6861] ? syscall_enter_from_user_mode+0x20/0x290 [ 67.036827][ T6861] ? bpf_lsm_syslog+0x5/0x10 [ 67.041393][ T6861] ? security_syslog+0x73/0x90 [ 67.046133][ T6861] __x64_sys_syslog+0x97/0xc0 [ 67.050788][ T6861] do_syscall_64+0x2d/0x70 [ 67.055181][ T6861] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.061063][ T6861] RIP: 0033:0x4467d9 [ 67.064935][ T6861] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 db 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 67.084529][ T6861] RSP: 002b:00007fe1c28a5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000067 [ 67.092926][ T6861] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004467d9 [ 67.100879][ T6861] RDX: 00000000000000ce RSI: 0000000020000000 RDI: 0000000000000003 [ 67.108832][ T6861] RBP: 00000000006dbc20 R08: 00007fe1c28a6700 R09: 0000000000000000 executing program [ 67.116802][ T6861] R10: 00007fe1c28a6700 R11: 0000000000000246 R12: 00000000006dbc2c [ 67.124770][ T6861] R13: 00007ffdf44b256f R14: 00007fe1c28a69c0 R15: 000000000000002d [ 67.132737][ T6861] Modules linked in: [ 67.136684][ T6862] invalid opcode: 0000 [#3] PREEMPT SMP KASAN [ 67.142790][ T6862] CPU: 1 PID: 6862 Comm: syz-executor058 Tainted: G D 5.8.0-next-20200812-syzkaller #0 [ 67.153723][ T6862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.163796][ T6862] RIP: 0010:__khugepaged_enter+0x306/0x3d0 [ 67.169610][ T6862] Code: e4 49 81 fe 60 bd d2 89 74 2a e8 d5 61 bb ff 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 c2 61 bb ff 48 89 ef e8 9a bf e9 ff <0f> 0b 41 bc f4 ff ff ff eb d6 e8 ab 61 bb ff 31 c9 ba 01 00 00 00 [ 67.189245][ T6862] RSP: 0018:ffffc90001747930 EFLAGS: 00010282 [ 67.195292][ T6862] RAX: 0000000000000363 RBX: 0000000000000003 RCX: 0000000000000000 [ 67.203257][ T6862] RDX: ffff888094842580 RSI: ffffffff815da8f7 RDI: fffff520002e8ec5 [ 67.211210][ T6862] RBP: ffff88809ec24a00 R08: 0000000000000363 R09: ffff8880ae7318e7 [ 67.219157][ T6862] R10: 0000000000000000 R11: 00000000000776c8 R12: ffff8880a2b509a0 [ 67.227118][ T6862] R13: ffff88809ec24a5c R14: 0000000020000000 R15: ffffc90001747a68 [ 67.235067][ T6862] FS: 00007fe1c28a6700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 67.243988][ T6862] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.250547][ T6862] CR2: 00007ffdf44b25f0 CR3: 00000000a6686000 CR4: 00000000001506e0 [ 67.258497][ T6862] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.266446][ T6862] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.274408][ T6862] Call Trace: [ 67.277682][ T6862] do_huge_pmd_anonymous_page+0xaa1/0x2230 [ 67.283476][ T6862] handle_mm_fault+0x36dd/0x45e0 [ 67.288397][ T6862] ? apply_to_existing_page_range+0x40/0x40 [ 67.294287][ T6862] ? vmacache_update+0xce/0x140 [ 67.299115][ T6862] do_user_addr_fault+0x598/0xbf0 [ 67.304133][ T6862] ? trace_hardirqs_off+0x70/0x210 [ 67.309221][ T6862] exc_page_fault+0xa8/0x160 [ 67.313789][ T6862] asm_exc_page_fault+0x1e/0x30 [ 67.318615][ T6862] RIP: 0010:copy_user_generic_unrolled+0x89/0xc0 [ 67.324948][ T6862] Code: 38 4c 89 47 20 4c 89 4f 28 4c 89 57 30 4c 89 5f 38 48 8d 76 40 48 8d 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 <4c> 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a [ 67.344550][ T6862] RSP: 0018:ffffc90001747c78 EFLAGS: 00010206 [ 67.350611][ T6862] RAX: 0000000000000001 RBX: 0000000020000000 RCX: 0000000000000006 [ 67.358559][ T6862] RDX: 0000000000000001 RSI: ffff8880a16f9800 RDI: 0000000020000000 [ 67.366507][ T6862] RBP: ffff8880a16f9800 R08: 322020205b3e353c R09: ffff8880a16f9830 [ 67.374477][ T6862] R10: ffffed10142df306 R11: 0000000000000000 R12: 0000000000000031 [ 67.382446][ T6862] R13: 0000000020000031 R14: 00007ffffffff000 R15: 0000000000000000 [ 67.390412][ T6862] _copy_to_user+0x11e/0x160 [ 67.394998][ T6862] syslog_print_all+0x34c/0x590 [ 67.399843][ T6862] ? console_trylock+0x90/0x90 [ 67.404583][ T6862] ? fault_around_bytes_set+0x90/0x90 [ 67.410035][ T6862] ? _raw_spin_unlock+0x24/0x40 [ 67.414867][ T6862] ? find_held_lock+0x2d/0x110 [ 67.419605][ T6862] do_syslog.part.0+0x3ff/0x8d0 [ 67.424445][ T6862] ? wake_up_klogd_work_func+0xf0/0xf0 [ 67.429882][ T6862] ? vmacache_update+0xce/0x140 [ 67.434725][ T6862] ? lock_is_held_type+0xbb/0xf0 [ 67.439648][ T6862] ? syscall_enter_from_user_mode+0x20/0x290 [ 67.445626][ T6862] ? bpf_lsm_syslog+0x5/0x10 [ 67.450194][ T6862] ? security_syslog+0x73/0x90 [ 67.454951][ T6862] __x64_sys_syslog+0x97/0xc0 [ 67.459625][ T6862] do_syscall_64+0x2d/0x70 [ 67.464033][ T6862] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.469900][ T6862] RIP: 0033:0x4467d9 [ 67.473786][ T6862] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 db 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 67.493378][ T6862] RSP: 002b:00007fe1c28a5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000067 [ 67.501769][ T6862] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004467d9 [ 67.509717][ T6862] RDX: 00000000000000ce RSI: 0000000020000000 RDI: 0000000000000003 [ 67.517679][ T6862] RBP: 00000000006dbc20 R08: 00007fe1c28a6700 R09: 0000000000000000 [ 67.525630][ T6862] R10: 00007fe1c28a6700 R11: 0000000000000246 R12: 00000000006dbc2c [ 67.533582][ T6862] R13: 00007ffdf44b256f R14: 00007fe1c28a69c0 R15: 000000000000002d [ 67.541528][ T6862] Modules linked in: [ 67.545486][ T6863] invalid opcode: 0000 [#4] PREEMPT SMP KASAN [ 67.546465][ T6871] mm ffff88809a6124c0 mmap ffff888094bf6108 seqnum 0 task_size 140737488351232 [ 67.546465][ T6871] get_unmapped_area ffffffff8129caa0 [ 67.546465][ T6871] mmap_base 140607608221696 mmap_legacy_base 47025186947072 highest_vm_end 140728702996480 [ 67.546465][ T6871] pgd ffff8880a8b83000 mm_users 3 mm_count 1 pgtables_bytes 40960 map_count 14 [ 67.546465][ T6871] hiwater_rss b hiwater_vm 1130 total_vm 1172 locked_vm 0 [ 67.546465][ T6871] pinned_vm 0 data_vm 106d exec_vm dc stack_vm 21 [ 67.546465][ T6871] start_code 400000 end_code 4d918f start_data 6d9ea8 end_data 6dbb90 [ 67.546465][ T6871] start_brk 9fb000 brk a1e000 start_stack 7ffdf44b27a0 [ 67.546465][ T6871] arg_start 7ffdf44b2ec3 arg_end 7ffdf44b2edb env_start 7ffdf44b2edb env_end 7ffdf44b2fe0 [ 67.546465][ T6871] binfmt ffffffff89d6d2e0 flags cd core_state ffffc90001777c18 [ 67.546465][ T6871] ioctx_table 0000000000000000 [ 67.546465][ T6871] owner ffff8880947ea1c0 exe_file ffff8880a6746780 [ 67.551562][ T6863] CPU: 0 PID: 6863 Comm: syz-executor058 Tainted: G D 5.8.0-next-20200812-syzkaller #0 [ 67.551570][ T6863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.551589][ T6863] RIP: 0010:__khugepaged_enter+0x306/0x3d0 [ 67.551602][ T6863] Code: e4 49 81 fe 60 bd d2 89 74 2a e8 d5 61 bb ff 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 c2 61 bb ff 48 89 ef e8 9a bf e9 ff <0f> 0b 41 bc f4 ff ff ff eb d6 e8 ab 61 bb ff 31 c9 ba 01 00 00 00 [ 67.551623][ T6863] RSP: 0018:ffffc90001757930 EFLAGS: 00010282 [ 67.658990][ T6871] ------------[ cut here ]------------ [ 67.668713][ T6863] RAX: 0000000000000363 RBX: 0000000000000003 RCX: 0000000000000000 [ 67.668732][ T6863] RDX: ffff888095b6c000 RSI: ffffffff815da8f7 RDI: fffff520002eaec5 [ 67.668740][ T6863] RBP: ffff88809dbb2f00 R08: 0000000000000363 R09: ffff8880ae6318e7 [ 67.668747][ T6863] R10: 0000000000000000 R11: 666620656c69776f R12: ffff8880a2b50e70 [ 67.668759][ T6863] R13: ffff88809dbb2f5c R14: 0000000020000000 R15: ffffc90001757a68 [ 67.668769][ T6863] FS: 00007fe1c28a6700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 67.668777][ T6863] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.668797][ T6863] CR2: 00007f6b63b5e200 CR3: 00000000a7d29000 CR4: 00000000001506f0 [ 67.675017][ T6871] kernel BUG at mm/khugepaged.c:469! [ 67.694206][ T6863] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.694214][ T6863] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.694218][ T6863] Call Trace: [ 67.694243][ T6863] do_huge_pmd_anonymous_page+0xaa1/0x2230 [ 67.694260][ T6863] handle_mm_fault+0x36dd/0x45e0 [ 67.694277][ T6863] ? apply_to_existing_page_range+0x40/0x40 [ 67.694304][ T6863] ? vmacache_update+0xce/0x140 [ 67.814660][ T6863] do_user_addr_fault+0x598/0xbf0 [ 67.819666][ T6863] ? trace_hardirqs_off+0x70/0x210 [ 67.824767][ T6863] exc_page_fault+0xa8/0x160 [ 67.829335][ T6863] asm_exc_page_fault+0x1e/0x30 [ 67.834176][ T6863] RIP: 0010:copy_user_generic_unrolled+0x89/0xc0 [ 67.840478][ T6863] Code: 38 4c 89 47 20 4c 89 4f 28 4c 89 57 30 4c 89 5f 38 48 8d 76 40 48 8d 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 <4c> 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a [ 67.860079][ T6863] RSP: 0018:ffffc90001757c78 EFLAGS: 00010206 [ 67.866139][ T6863] RAX: 0000000000000001 RBX: 0000000020000000 RCX: 0000000000000006 [ 67.874085][ T6863] RDX: 0000000000000001 RSI: ffff88808eef6000 RDI: 0000000020000000 [ 67.882034][ T6863] RBP: ffff88808eef6000 R08: 322020205b3e353c R09: ffff88808eef6030 [ 67.889983][ T6863] R10: ffffed1011ddec06 R11: 0000000000000000 R12: 0000000000000031 [ 67.897945][ T6863] R13: 0000000020000031 R14: 00007ffffffff000 R15: 0000000000000000 [ 67.907405][ T6863] _copy_to_user+0x11e/0x160 [ 67.911987][ T6863] syslog_print_all+0x34c/0x590 [ 67.916813][ T6863] ? console_trylock+0x90/0x90 [ 67.921552][ T6863] ? fault_around_bytes_set+0x90/0x90 [ 67.926900][ T6863] ? _raw_spin_unlock+0x24/0x40 [ 67.931749][ T6863] ? find_held_lock+0x2d/0x110 [ 67.936835][ T6863] do_syslog.part.0+0x3ff/0x8d0 [ 67.941659][ T6863] ? wake_up_klogd_work_func+0xf0/0xf0 [ 67.947093][ T6863] ? vmacache_update+0xce/0x140 [ 67.951918][ T6863] ? lock_is_held_type+0xbb/0xf0 [ 67.956830][ T6863] ? syscall_enter_from_user_mode+0x20/0x290 [ 67.962797][ T6863] ? bpf_lsm_syslog+0x5/0x10 [ 67.967376][ T6863] ? security_syslog+0x73/0x90 [ 67.972116][ T6863] __x64_sys_syslog+0x97/0xc0 [ 67.976783][ T6863] do_syscall_64+0x2d/0x70 [ 67.981194][ T6863] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.987068][ T6863] RIP: 0033:0x4467d9 [ 67.990952][ T6863] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 db 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.010566][ T6863] RSP: 002b:00007fe1c28a5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000067 [ 68.019000][ T6863] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004467d9 [ 68.026951][ T6863] RDX: 00000000000000ce RSI: 0000000020000000 RDI: 0000000000000003 [ 68.034915][ T6863] RBP: 00000000006dbc20 R08: 00007fe1c28a6700 R09: 0000000000000000 [ 68.042860][ T6863] R10: 00007fe1c28a6700 R11: 0000000000000246 R12: 00000000006dbc2c [ 68.050807][ T6863] R13: 00007ffdf44b256f R14: 00007fe1c28a69c0 R15: 000000000000002d [ 68.058755][ T6863] Modules linked in: [ 68.062690][ T6871] invalid opcode: 0000 [#5] PREEMPT SMP KASAN [ 68.068782][ T6871] CPU: 1 PID: 6871 Comm: syz-executor058 Tainted: G D 5.8.0-next-20200812-syzkaller #0 [ 68.079797][ T6871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.089924][ T6871] RIP: 0010:__khugepaged_enter+0x306/0x3d0 [ 68.095741][ T6871] Code: e4 49 81 fe 60 bd d2 89 74 2a e8 d5 61 bb ff 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 c2 61 bb ff 48 89 ef e8 9a bf e9 ff <0f> 0b 41 bc f4 ff ff ff eb d6 e8 ab 61 bb ff 31 c9 ba 01 00 00 00 [ 68.115376][ T6871] RSP: 0018:ffffc90001717930 EFLAGS: 00010282 [ 68.121451][ T6871] RAX: 0000000000000363 RBX: 0000000000000003 RCX: 0000000000000000 [ 68.129424][ T6871] RDX: ffff88809583e200 RSI: ffffffff815da8f7 RDI: fffff520002e2ec5 [ 68.137425][ T6871] RBP: ffff88809a6124c0 R08: 0000000000000363 R09: ffff8880ae7318e7 [ 68.140173][ T6861] ---[ end trace 0dee87da0e9c30b7 ]--- [ 68.145394][ T6871] R10: 0000000000000000 R11: 666620656c69776f R12: ffff8880a2b50840 [ 68.145403][ T6871] R13: ffff88809a61251c R14: 0000000020000000 R15: ffffc90001717a68 [ 68.145415][ T6871] FS: 00007fe1c28a6700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 68.145425][ T6871] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.145432][ T6871] CR2: 00000000004b4e20 CR3: 00000000a8b83000 CR4: 00000000001506e0 [ 68.145443][ T6871] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.145460][ T6871] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.151021][ T6861] RIP: 0010:__khugepaged_enter+0x306/0x3d0 [ 68.158847][ T6871] Call Trace: [ 68.158868][ T6871] do_huge_pmd_anonymous_page+0xaa1/0x2230 [ 68.158886][ T6871] handle_mm_fault+0x36dd/0x45e0 [ 68.158904][ T6871] ? apply_to_existing_page_range+0x40/0x40 [ 68.158920][ T6871] ? vmacache_update+0xce/0x140 [ 68.158942][ T6871] do_user_addr_fault+0x598/0xbf0 [ 68.172333][ T6861] Code: e4 49 81 fe 60 bd d2 89 74 2a e8 d5 61 bb ff 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 c2 61 bb ff 48 89 ef e8 9a bf e9 ff <0f> 0b 41 bc f4 ff ff ff eb d6 e8 ab 61 bb ff 31 c9 ba 01 00 00 00 [ 68.175809][ T6871] ? trace_hardirqs_off+0x70/0x210 [ 68.175824][ T6871] exc_page_fault+0xa8/0x160 executing program [ 68.175840][ T6871] asm_exc_page_fault+0x1e/0x30 [ 68.175862][ T6871] RIP: 0010:copy_user_generic_unrolled+0x89/0xc0 [ 68.184594][ T6861] RSP: 0018:ffffc900016a7930 EFLAGS: 00010282 [ 68.190387][ T6871] Code: 38 4c 89 47 20 4c 89 4f 28 4c 89 57 30 4c 89 5f 38 48 8d 76 40 48 8d 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 <4c> 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a [ 68.190396][ T6871] RSP: 0018:ffffc90001717c78 EFLAGS: 00010203 [ 68.190409][ T6871] RAX: 0000000000000001 RBX: 0000000020000000 RCX: 0000000000000007 [ 68.190417][ T6871] RDX: 0000000000000007 RSI: ffff888094e6e000 RDI: 0000000020000000 [ 68.190434][ T6871] RBP: ffff888094e6e000 R08: 362020205b3e343c R09: ffff888094e6e03e [ 68.206344][ T6871] R10: ffffed10129cdc07 R11: 000000002d2d2d2d R12: 000000000000003f [ 68.206353][ T6871] R13: 000000002000003f R14: 00007ffffffff000 R15: 0000000000000000 [ 68.206378][ T6871] _copy_to_user+0x11e/0x160 [ 68.206395][ T6871] syslog_print_all+0x34c/0x590 [ 68.206415][ T6871] ? console_trylock+0x90/0x90 [ 68.214134][ T6861] RAX: 0000000000000363 RBX: 0000000000000003 RCX: 0000000000000000 [ 68.215470][ T6871] ? fault_around_bytes_set+0x90/0x90 [ 68.215488][ T6871] ? _raw_spin_unlock+0x24/0x40 [ 68.215504][ T6871] ? find_held_lock+0x2d/0x110 [ 68.215523][ T6871] do_syslog.part.0+0x3ff/0x8d0 [ 68.221405][ T6861] RDX: ffff8880a79383c0 RSI: ffffffff815da8f7 RDI: fffff520002d4ec5 [ 68.226225][ T6871] ? wake_up_klogd_work_func+0xf0/0xf0 [ 68.226239][ T6871] ? vmacache_update+0xce/0x140 [ 68.226254][ T6871] ? lock_is_held_type+0xbb/0xf0 [ 68.226267][ T6871] ? syscall_enter_from_user_mode+0x20/0x290 [ 68.226279][ T6871] ? bpf_lsm_syslog+0x5/0x10 [ 68.226293][ T6871] ? security_syslog+0x73/0x90 [ 68.226312][ T6871] __x64_sys_syslog+0x97/0xc0 [ 68.237304][ T6861] RBP: ffff88808efca480 R08: 0000000000000363 R09: ffff8880ae7318e7 [ 68.242053][ T6871] do_syscall_64+0x2d/0x70 [ 68.242070][ T6871] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.242080][ T6871] RIP: 0033:0x4467d9 [ 68.242094][ T6871] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 db 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.242101][ T6871] RSP: 002b:00007fe1c28a5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000067 [ 68.242124][ T6871] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004467d9 [ 68.264700][ T6861] R10: 0000000000000000 R11: 666620656c69776f R12: ffff8880a2b508f0 [ 68.266831][ T6871] RDX: 00000000000000ce RSI: 0000000020000000 RDI: 0000000000000003 [ 68.266840][ T6871] RBP: 00000000006dbc20 R08: 00007fe1c28a6700 R09: 0000000000000000 [ 68.266849][ T6871] R10: 00007fe1c28a6700 R11: 0000000000000246 R12: 00000000006dbc2c [ 68.266858][ T6871] R13: 00007ffdf44b256f R14: 00007fe1c28a69c0 R15: 000000000000002d [ 68.266868][ T6871] Modules linked in: [ 68.273915][ T6861] R13: ffff88808efca4dc R14: 0000000020000000 R15: ffffc900016a7a68 [ 68.276904][ T6853] ---[ end trace 0dee87da0e9c30b8 ]--- [ 68.284752][ T6861] FS: 00007fe1c28a6700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 68.289165][ T6853] RIP: 0010:__khugepaged_enter+0x306/0x3d0 [ 68.311543][ T6861] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.334411][ T6853] Code: e4 49 81 fe 60 bd d2 89 74 2a e8 d5 61 bb ff 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 c2 61 bb ff 48 89 ef e8 9a bf e9 ff <0f> 0b 41 bc f4 ff ff ff eb d6 e8 ab 61 bb ff 31 c9 ba 01 00 00 00 [ 68.346461][ T6861] CR2: 00007f6b63b71000 CR3: 000000009f538000 CR4: 00000000001506f0 [ 68.350274][ T6863] ---[ end trace 0dee87da0e9c30b9 ]--- [ 68.359337][ T6861] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.366825][ T6853] RSP: 0018:ffffc900016a7930 EFLAGS: 00010282 [ 68.371835][ T6861] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.376738][ T6863] RIP: 0010:__khugepaged_enter+0x306/0x3d0 [ 68.382462][ T6861] Kernel panic - not syncing: Fatal exception [ 68.394994][ T6861] Kernel Offset: disabled [ 68.659603][ T6861] Rebooting in 86400 seconds..