syzkaller login: [ 42.067315] audit: type=1400 audit(1570299386.212:35): avc: denied { map } for pid=7475 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.222' (ECDSA) to the list of known hosts. executing program [ 71.303996] audit: type=1400 audit(1570299415.442:36): avc: denied { map } for pid=7487 comm="syz-executor273" path="/root/syz-executor273027148" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 71.332890] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 71.358644] FAULT_INJECTION: forcing a failure. [ 71.358644] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 71.370845] CPU: 0 PID: 7488 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 71.377769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.387987] Call Trace: [ 71.390567] dump_stack+0x172/0x1f0 [ 71.395573] should_fail.cold+0xa/0x1b [ 71.399728] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 71.405007] ? __might_sleep+0x95/0x190 [ 71.409055] __alloc_pages_nodemask+0x1ee/0x750 [ 71.413709] ? __alloc_pages_slowpath+0x2870/0x2870 [ 71.418713] ? mark_held_locks+0x100/0x100 [ 71.422931] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 71.428508] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 71.434066] alloc_pages_vma+0xdd/0x590 [ 71.438057] shmem_alloc_page+0xc0/0x180 [ 71.442119] ? shmem_swapin+0x1a0/0x1a0 [ 71.446219] ? filemap_map_pages+0x1130/0x1130 [ 71.450811] ? mark_held_locks+0xb1/0x100 [ 71.454952] shmem_alloc_and_acct_page+0x165/0x970 [ 71.459991] shmem_getpage_gfp+0x44a/0x3640 [ 71.465419] ? shmem_add_to_page_cache+0xd30/0xd30 [ 71.470366] ? lock_downgrade+0x880/0x880 [ 71.474616] ? kasan_check_read+0x11/0x20 [ 71.479524] shmem_fault+0x233/0x760 [ 71.483234] ? __handle_mm_fault+0x34de/0x3f80 [ 71.488076] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 71.493415] ? lock_downgrade+0x880/0x880 [ 71.497598] __do_fault+0x111/0x480 [ 71.501390] __handle_mm_fault+0x2d78/0x3f80 [ 71.505874] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 71.510729] ? count_memcg_event_mm+0x2b1/0x4d0 [ 71.515573] handle_mm_fault+0x1b5/0x690 [ 71.519644] __do_page_fault+0x62a/0xe90 [ 71.523709] ? vmalloc_fault+0x740/0x740 [ 71.528346] ? trace_hardirqs_off_caller+0x65/0x220 [ 71.533352] ? trace_hardirqs_on_caller+0x6a/0x220 [ 71.538283] do_page_fault+0x71/0x57d [ 71.542257] page_fault+0x1e/0x30 [ 71.545713] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 71.551591] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 71.570762] RSP: 0018:ffff888099337a18 EFLAGS: 00010206 [ 71.576116] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 71.583386] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff88808fceff9d [ 71.590656] RBP: ffff888099337a50 R08: ffffed1011f9e000 R09: 0000000000000000 [ 71.598268] R10: ffffed1011f9dfff R11: ffff88808fceffff R12: 0000000020004080 [ 71.605527] R13: ffff88808fcec01d R14: 0000000020008063 R15: 00007ffffffff000 [ 71.612826] ? copyin+0xe2/0x100 [ 71.616346] _copy_from_iter+0x20a/0xb30 [ 71.620401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 71.626038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 71.631577] ? __check_object_size+0x3d/0x42a [ 71.636194] tls_sw_sendmsg+0x8a9/0x1240 [ 71.640260] ? tls_sw_push_pending_record+0x30/0x30 [ 71.645267] ? proc_fail_nth_write+0x9d/0x1e0 [ 71.649781] inet_sendmsg+0x141/0x5d0 [ 71.653589] ? ipip_gro_receive+0x100/0x100 [ 71.657902] sock_sendmsg+0xd7/0x130 [ 71.661615] __sys_sendto+0x262/0x380 [ 71.665477] ? __ia32_sys_getpeername+0xb0/0xb0 [ 71.670181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.675716] ? __sb_end_write+0xd9/0x110 [ 71.679768] ? vfs_write+0x160/0x560 [ 71.683509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.689041] ? ksys_write+0x1f1/0x2d0 [ 71.692843] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 71.697600] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 71.702377] ? do_syscall_64+0x26/0x620 [ 71.706355] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.711808] __x64_sys_sendto+0xe1/0x1a0 [ 71.715865] do_syscall_64+0xfd/0x620 [ 71.719677] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.724899] RIP: 0033:0x441349 [ 71.728097] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.746990] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c executing program [ 71.754686] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 71.761953] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 71.769215] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 71.776481] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 71.784091] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 71.837868] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 71.850700] FAULT_INJECTION: forcing a failure. [ 71.850700] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 71.862699] CPU: 1 PID: 7493 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 71.869631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.879004] Call Trace: [ 71.881599] dump_stack+0x172/0x1f0 [ 71.885218] should_fail.cold+0xa/0x1b [ 71.889121] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 71.895190] ? __might_sleep+0x95/0x190 [ 71.899166] __alloc_pages_nodemask+0x1ee/0x750 [ 71.903845] ? __alloc_pages_slowpath+0x2870/0x2870 [ 71.908865] ? mark_held_locks+0x100/0x100 [ 71.913105] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 71.918645] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 71.924355] alloc_pages_vma+0xdd/0x590 [ 71.928347] shmem_alloc_page+0xc0/0x180 [ 71.932447] ? shmem_swapin+0x1a0/0x1a0 [ 71.936503] ? filemap_map_pages+0x1130/0x1130 [ 71.941100] ? mark_held_locks+0xb1/0x100 [ 71.945249] shmem_alloc_and_acct_page+0x165/0x970 [ 71.950269] shmem_getpage_gfp+0x44a/0x3640 [ 71.955474] ? shmem_add_to_page_cache+0xd30/0xd30 [ 71.960824] ? lock_downgrade+0x880/0x880 [ 71.965063] ? kasan_check_read+0x11/0x20 [ 71.969662] shmem_fault+0x233/0x760 [ 71.973364] ? __handle_mm_fault+0x34de/0x3f80 [ 71.977948] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 71.983217] ? lock_downgrade+0x880/0x880 [ 71.987353] __do_fault+0x111/0x480 [ 71.990982] __handle_mm_fault+0x2d78/0x3f80 [ 71.995378] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 72.000238] ? count_memcg_event_mm+0x2b1/0x4d0 [ 72.004903] handle_mm_fault+0x1b5/0x690 [ 72.008953] __do_page_fault+0x62a/0xe90 [ 72.013003] ? vmalloc_fault+0x740/0x740 [ 72.017053] ? trace_hardirqs_off_caller+0x65/0x220 [ 72.022061] ? trace_hardirqs_on_caller+0x6a/0x220 [ 72.026977] do_page_fault+0x71/0x57d [ 72.030768] page_fault+0x1e/0x30 [ 72.034222] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 72.040088] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 72.058975] RSP: 0018:ffff888099337a18 EFLAGS: 00010206 [ 72.064334] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 72.073681] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff88808f657f9d [ 72.081051] RBP: ffff888099337a50 R08: ffffed1011ecb000 R09: 0000000000000000 [ 72.088335] R10: ffffed1011ecafff R11: ffff88808f657fff R12: 0000000020004080 [ 72.095600] R13: ffff88808f65401d R14: 0000000020008063 R15: 00007ffffffff000 [ 72.102886] ? copyin+0xe2/0x100 [ 72.106244] _copy_from_iter+0x20a/0xb30 [ 72.110323] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 72.116001] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 72.121596] ? __check_object_size+0x3d/0x42a [ 72.127058] tls_sw_sendmsg+0x8a9/0x1240 [ 72.131392] ? tls_sw_push_pending_record+0x30/0x30 [ 72.136514] ? proc_fail_nth_write+0x9d/0x1e0 [ 72.141012] inet_sendmsg+0x141/0x5d0 [ 72.144832] ? ipip_gro_receive+0x100/0x100 [ 72.149249] sock_sendmsg+0xd7/0x130 [ 72.152963] __sys_sendto+0x262/0x380 [ 72.157196] ? __ia32_sys_getpeername+0xb0/0xb0 [ 72.161875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.167419] ? __sb_end_write+0xd9/0x110 [ 72.172511] ? vfs_write+0x160/0x560 [ 72.176217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.181741] ? ksys_write+0x1f1/0x2d0 [ 72.185545] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 72.190300] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 72.199491] ? do_syscall_64+0x26/0x620 [ 72.203471] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.209045] __x64_sys_sendto+0xe1/0x1a0 [ 72.213123] do_syscall_64+0xfd/0x620 [ 72.216933] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.222115] RIP: 0033:0x441349 [ 72.225296] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.244195] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 72.251895] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 72.259169] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 72.266572] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 72.273847] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 72.281106] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 72.327013] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 72.339386] FAULT_INJECTION: forcing a failure. [ 72.339386] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 72.351394] CPU: 0 PID: 7494 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 72.358414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.367758] Call Trace: [ 72.370351] dump_stack+0x172/0x1f0 [ 72.374926] should_fail.cold+0xa/0x1b [ 72.378816] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 72.384006] ? __might_sleep+0x95/0x190 [ 72.389096] __alloc_pages_nodemask+0x1ee/0x750 [ 72.393768] ? __alloc_pages_slowpath+0x2870/0x2870 [ 72.399232] ? mark_held_locks+0x100/0x100 [ 72.403464] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 72.409006] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 72.414554] alloc_pages_vma+0xdd/0x590 [ 72.418528] shmem_alloc_page+0xc0/0x180 [ 72.422577] ? shmem_swapin+0x1a0/0x1a0 [ 72.427086] ? filemap_map_pages+0x1130/0x1130 [ 72.431664] ? mark_held_locks+0xb1/0x100 [ 72.435862] shmem_alloc_and_acct_page+0x165/0x970 [ 72.440997] shmem_getpage_gfp+0x44a/0x3640 [ 72.445322] ? shmem_add_to_page_cache+0xd30/0xd30 [ 72.450249] ? lock_downgrade+0x880/0x880 [ 72.454428] ? kasan_check_read+0x11/0x20 [ 72.458587] shmem_fault+0x233/0x760 [ 72.462289] ? __handle_mm_fault+0x34de/0x3f80 [ 72.467032] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 72.472300] ? lock_downgrade+0x880/0x880 [ 72.476614] __do_fault+0x111/0x480 [ 72.480231] __handle_mm_fault+0x2d78/0x3f80 [ 72.484629] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 72.489473] ? count_memcg_event_mm+0x2b1/0x4d0 [ 72.497190] handle_mm_fault+0x1b5/0x690 [ 72.501249] __do_page_fault+0x62a/0xe90 [ 72.505302] ? vmalloc_fault+0x740/0x740 [ 72.509372] ? trace_hardirqs_off_caller+0x65/0x220 [ 72.514391] ? trace_hardirqs_on_caller+0x6a/0x220 [ 72.519325] do_page_fault+0x71/0x57d [ 72.523146] page_fault+0x1e/0x30 [ 72.526602] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 72.532481] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 72.553759] RSP: 0018:ffff888099337a18 EFLAGS: 00010206 [ 72.559892] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000001063 [ 72.567245] RDX: 0000000000003fe3 RSI: 0000000020007000 RDI: ffff888098ae6f9d [ 72.574511] RBP: ffff888099337a50 R08: ffffed101315d000 R09: 0000000000000000 [ 72.581788] R10: ffffed101315cfff R11: ffff888098ae7fff R12: 0000000020004080 [ 72.589417] R13: ffff888098ae401d R14: 0000000020008063 R15: 00007ffffffff000 [ 72.596702] ? copyin+0xe2/0x100 [ 72.600057] _copy_from_iter+0x20a/0xb30 [ 72.604119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 72.609743] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 72.615277] ? __check_object_size+0x3d/0x42a [ 72.620286] tls_sw_sendmsg+0x8a9/0x1240 [ 72.624363] ? tls_sw_push_pending_record+0x30/0x30 [ 72.629382] ? proc_fail_nth_write+0x9d/0x1e0 [ 72.633878] inet_sendmsg+0x141/0x5d0 [ 72.637788] ? ipip_gro_receive+0x100/0x100 [ 72.642101] sock_sendmsg+0xd7/0x130 [ 72.645814] __sys_sendto+0x262/0x380 [ 72.649620] ? __ia32_sys_getpeername+0xb0/0xb0 [ 72.654282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.659810] ? __sb_end_write+0xd9/0x110 [ 72.663858] ? vfs_write+0x160/0x560 [ 72.667563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.673172] ? ksys_write+0x1f1/0x2d0 [ 72.676974] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 72.681733] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 72.686476] ? do_syscall_64+0x26/0x620 [ 72.690447] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.695819] __x64_sys_sendto+0xe1/0x1a0 [ 72.699981] do_syscall_64+0xfd/0x620 [ 72.703795] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.708970] RIP: 0033:0x441349 [ 72.712147] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.731137] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 72.738831] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 72.746083] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 72.753349] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 72.760601] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 72.767867] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 72.814882] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 72.826619] FAULT_INJECTION: forcing a failure. [ 72.826619] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 72.838509] CPU: 1 PID: 7495 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 72.845449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.854788] Call Trace: [ 72.857371] dump_stack+0x172/0x1f0 [ 72.860986] should_fail.cold+0xa/0x1b [ 72.864867] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 72.869959] ? __might_sleep+0x95/0x190 [ 72.873919] __alloc_pages_nodemask+0x1ee/0x750 [ 72.878579] ? __alloc_pages_slowpath+0x2870/0x2870 [ 72.883582] ? mark_held_locks+0x100/0x100 [ 72.887807] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 72.893330] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 72.898856] alloc_pages_vma+0xdd/0x590 [ 72.902818] shmem_alloc_page+0xc0/0x180 [ 72.906890] ? shmem_swapin+0x1a0/0x1a0 [ 72.910993] ? filemap_map_pages+0x1130/0x1130 [ 72.915566] ? mark_held_locks+0xb1/0x100 [ 72.919719] shmem_alloc_and_acct_page+0x165/0x970 [ 72.924651] shmem_getpage_gfp+0x44a/0x3640 [ 72.929033] ? shmem_add_to_page_cache+0xd30/0xd30 [ 72.933964] ? lock_downgrade+0x880/0x880 [ 72.938115] ? kasan_check_read+0x11/0x20 [ 72.942265] shmem_fault+0x233/0x760 [ 72.945966] ? __handle_mm_fault+0x34de/0x3f80 [ 72.950550] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 72.955827] ? lock_downgrade+0x880/0x880 [ 72.959965] __do_fault+0x111/0x480 [ 72.963580] __handle_mm_fault+0x2d78/0x3f80 [ 72.967993] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 72.972839] ? count_memcg_event_mm+0x2b1/0x4d0 [ 72.977517] handle_mm_fault+0x1b5/0x690 [ 72.981567] __do_page_fault+0x62a/0xe90 [ 72.985615] ? vmalloc_fault+0x740/0x740 [ 72.989660] ? trace_hardirqs_off_caller+0x65/0x220 [ 72.994670] ? trace_hardirqs_on_caller+0x6a/0x220 [ 72.999590] do_page_fault+0x71/0x57d [ 73.003393] page_fault+0x1e/0x30 [ 73.006836] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 73.012712] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 73.031609] RSP: 0018:ffff888099337a18 EFLAGS: 00010206 [ 73.036971] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000001063 [ 73.044229] RDX: 0000000000003fe3 RSI: 0000000020007000 RDI: ffff88808a82ef9d [ 73.051483] RBP: ffff888099337a50 R08: ffffed1011506000 R09: 0000000000000000 [ 73.059184] R10: ffffed1011505fff R11: ffff88808a82ffff R12: 0000000020004080 [ 73.066445] R13: ffff88808a82c01d R14: 0000000020008063 R15: 00007ffffffff000 [ 73.073713] ? copyin+0xe2/0x100 [ 73.077066] _copy_from_iter+0x20a/0xb30 [ 73.081126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 73.086648] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 73.092171] ? __check_object_size+0x3d/0x42a [ 73.096655] tls_sw_sendmsg+0x8a9/0x1240 [ 73.100714] ? tls_sw_push_pending_record+0x30/0x30 [ 73.105723] ? proc_fail_nth_write+0x9d/0x1e0 [ 73.110224] inet_sendmsg+0x141/0x5d0 [ 73.114009] ? ipip_gro_receive+0x100/0x100 [ 73.118318] sock_sendmsg+0xd7/0x130 [ 73.122030] __sys_sendto+0x262/0x380 [ 73.125845] ? __ia32_sys_getpeername+0xb0/0xb0 [ 73.130518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.136051] ? __sb_end_write+0xd9/0x110 [ 73.140113] ? vfs_write+0x160/0x560 [ 73.143824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.149405] ? ksys_write+0x1f1/0x2d0 [ 73.153205] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 73.157949] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 73.162688] ? do_syscall_64+0x26/0x620 [ 73.166644] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.171993] __x64_sys_sendto+0xe1/0x1a0 [ 73.176052] do_syscall_64+0xfd/0x620 [ 73.179855] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.185025] RIP: 0033:0x441349 [ 73.188201] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.207088] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c executing program [ 73.215303] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 73.222556] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 73.229820] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 73.237072] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 73.244332] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 73.292851] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 73.304835] FAULT_INJECTION: forcing a failure. [ 73.304835] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 73.316885] CPU: 0 PID: 7496 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 73.323937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.333329] Call Trace: [ 73.335939] dump_stack+0x172/0x1f0 [ 73.339560] should_fail.cold+0xa/0x1b [ 73.343434] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 73.348524] ? __might_sleep+0x95/0x190 [ 73.352494] __alloc_pages_nodemask+0x1ee/0x750 [ 73.357164] ? __alloc_pages_slowpath+0x2870/0x2870 [ 73.362167] ? mark_held_locks+0x100/0x100 [ 73.366389] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 73.371911] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 73.377445] alloc_pages_vma+0xdd/0x590 [ 73.381420] shmem_alloc_page+0xc0/0x180 [ 73.385479] ? shmem_swapin+0x1a0/0x1a0 [ 73.389449] ? filemap_map_pages+0x1130/0x1130 [ 73.394013] ? mark_held_locks+0xb1/0x100 [ 73.398146] shmem_alloc_and_acct_page+0x165/0x970 [ 73.403075] shmem_getpage_gfp+0x44a/0x3640 [ 73.407389] ? shmem_add_to_page_cache+0xd30/0xd30 [ 73.412305] ? lock_downgrade+0x880/0x880 [ 73.416440] ? kasan_check_read+0x11/0x20 [ 73.420592] shmem_fault+0x233/0x760 [ 73.424296] ? __handle_mm_fault+0x34de/0x3f80 [ 73.428863] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 73.434135] ? lock_downgrade+0x880/0x880 [ 73.438283] __do_fault+0x111/0x480 [ 73.441918] __handle_mm_fault+0x2d78/0x3f80 [ 73.446313] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 73.451148] ? count_memcg_event_mm+0x2b1/0x4d0 [ 73.455814] handle_mm_fault+0x1b5/0x690 [ 73.459874] __do_page_fault+0x62a/0xe90 [ 73.463935] ? vmalloc_fault+0x740/0x740 [ 73.468001] ? trace_hardirqs_off_caller+0x65/0x220 [ 73.473002] ? trace_hardirqs_on_caller+0x6a/0x220 [ 73.477931] do_page_fault+0x71/0x57d [ 73.481729] page_fault+0x1e/0x30 [ 73.485182] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 73.491061] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 73.509954] RSP: 0018:ffff888099337a18 EFLAGS: 00010206 [ 73.515312] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 73.522563] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff8880990dff9d [ 73.529814] RBP: ffff888099337a50 R08: ffffed101321c000 R09: 0000000000000000 [ 73.537066] R10: ffffed101321bfff R11: ffff8880990dffff R12: 0000000020004080 [ 73.544320] R13: ffff8880990dc01d R14: 0000000020008063 R15: 00007ffffffff000 [ 73.551589] ? copyin+0xe2/0x100 [ 73.554944] _copy_from_iter+0x20a/0xb30 [ 73.558994] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 73.564514] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 73.570039] ? __check_object_size+0x3d/0x42a [ 73.574523] tls_sw_sendmsg+0x8a9/0x1240 [ 73.578578] ? tls_sw_push_pending_record+0x30/0x30 [ 73.583588] ? proc_fail_nth_write+0x9d/0x1e0 [ 73.588075] inet_sendmsg+0x141/0x5d0 [ 73.591860] ? ipip_gro_receive+0x100/0x100 [ 73.596168] sock_sendmsg+0xd7/0x130 [ 73.599871] __sys_sendto+0x262/0x380 [ 73.603662] ? __ia32_sys_getpeername+0xb0/0xb0 [ 73.608341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.613868] ? __sb_end_write+0xd9/0x110 [ 73.617919] ? vfs_write+0x160/0x560 [ 73.621624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.627298] ? ksys_write+0x1f1/0x2d0 [ 73.631090] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 73.635841] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 73.640580] ? do_syscall_64+0x26/0x620 [ 73.644538] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.649905] __x64_sys_sendto+0xe1/0x1a0 [ 73.653969] do_syscall_64+0xfd/0x620 [ 73.657765] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.662965] RIP: 0033:0x441349 [ 73.666146] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.685034] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c executing program [ 73.692738] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 73.700011] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 73.708864] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 73.716205] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 73.723485] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 73.772409] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 73.784200] FAULT_INJECTION: forcing a failure. [ 73.784200] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 73.796253] CPU: 1 PID: 7497 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 73.803180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.812526] Call Trace: [ 73.815107] dump_stack+0x172/0x1f0 [ 73.818789] should_fail.cold+0xa/0x1b [ 73.822745] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 73.828199] ? __might_sleep+0x95/0x190 [ 73.832167] __alloc_pages_nodemask+0x1ee/0x750 [ 73.836842] ? __alloc_pages_slowpath+0x2870/0x2870 [ 73.841850] ? mark_held_locks+0x100/0x100 [ 73.846071] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 73.851620] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 73.857146] alloc_pages_vma+0xdd/0x590 [ 73.861111] shmem_alloc_page+0xc0/0x180 [ 73.865166] ? shmem_swapin+0x1a0/0x1a0 [ 73.869140] ? filemap_map_pages+0x1130/0x1130 [ 73.873706] ? mark_held_locks+0xb1/0x100 [ 73.877931] shmem_alloc_and_acct_page+0x165/0x970 [ 73.882851] shmem_getpage_gfp+0x44a/0x3640 [ 73.887168] ? shmem_add_to_page_cache+0xd30/0xd30 [ 73.892093] ? lock_downgrade+0x880/0x880 [ 73.896237] ? kasan_check_read+0x11/0x20 [ 73.900372] shmem_fault+0x233/0x760 [ 73.904071] ? __handle_mm_fault+0x34de/0x3f80 [ 73.908640] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 73.914166] ? lock_downgrade+0x880/0x880 [ 73.918315] __do_fault+0x111/0x480 [ 73.921941] __handle_mm_fault+0x2d78/0x3f80 [ 73.926355] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 73.931207] ? count_memcg_event_mm+0x2b1/0x4d0 [ 73.935864] handle_mm_fault+0x1b5/0x690 [ 73.939927] __do_page_fault+0x62a/0xe90 [ 73.943976] ? vmalloc_fault+0x740/0x740 [ 73.948038] ? trace_hardirqs_off_caller+0x65/0x220 [ 73.953048] ? trace_hardirqs_on_caller+0x6a/0x220 [ 73.958106] do_page_fault+0x71/0x57d [ 73.961916] page_fault+0x1e/0x30 [ 73.965403] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 73.971319] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 73.990211] RSP: 0018:ffff888099337a18 EFLAGS: 00010206 [ 73.995573] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 74.002829] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff888097297f9d [ 74.010172] RBP: ffff888099337a50 R08: ffffed1012e53000 R09: 0000000000000000 [ 74.017429] R10: ffffed1012e52fff R11: ffff888097297fff R12: 0000000020004080 [ 74.024702] R13: ffff88809729401d R14: 0000000020008063 R15: 00007ffffffff000 [ 74.031990] ? copyin+0xe2/0x100 [ 74.035956] _copy_from_iter+0x20a/0xb30 [ 74.040008] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 74.045546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 74.051253] ? __check_object_size+0x3d/0x42a [ 74.055751] tls_sw_sendmsg+0x8a9/0x1240 [ 74.059808] ? tls_sw_push_pending_record+0x30/0x30 [ 74.064810] ? proc_fail_nth_write+0x9d/0x1e0 [ 74.069311] inet_sendmsg+0x141/0x5d0 [ 74.073446] ? ipip_gro_receive+0x100/0x100 [ 74.077756] sock_sendmsg+0xd7/0x130 [ 74.081455] __sys_sendto+0x262/0x380 [ 74.085284] ? __ia32_sys_getpeername+0xb0/0xb0 [ 74.089944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 74.095475] ? __sb_end_write+0xd9/0x110 [ 74.099572] ? vfs_write+0x160/0x560 [ 74.103293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 74.108818] ? ksys_write+0x1f1/0x2d0 [ 74.112653] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 74.117411] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 74.122175] ? do_syscall_64+0x26/0x620 [ 74.126145] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.131853] __x64_sys_sendto+0xe1/0x1a0 [ 74.135913] do_syscall_64+0xfd/0x620 [ 74.139706] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.144899] RIP: 0033:0x441349 [ 74.148081] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 74.168122] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 74.176077] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 74.183334] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 74.190601] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 74.198311] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 74.205661] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 74.254890] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 74.267347] FAULT_INJECTION: forcing a failure. [ 74.267347] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 74.279650] CPU: 0 PID: 7498 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 74.286706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.296430] Call Trace: [ 74.299024] dump_stack+0x172/0x1f0 [ 74.302643] should_fail.cold+0xa/0x1b [ 74.306543] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 74.311651] ? __might_sleep+0x95/0x190 [ 74.315676] __alloc_pages_nodemask+0x1ee/0x750 [ 74.320513] ? __alloc_pages_slowpath+0x2870/0x2870 [ 74.325517] ? mark_held_locks+0x100/0x100 [ 74.329744] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 74.335283] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 74.340812] alloc_pages_vma+0xdd/0x590 [ 74.344777] shmem_alloc_page+0xc0/0x180 [ 74.348823] ? shmem_swapin+0x1a0/0x1a0 [ 74.352840] ? filemap_map_pages+0x1130/0x1130 [ 74.357406] ? mark_held_locks+0xb1/0x100 [ 74.361540] shmem_alloc_and_acct_page+0x165/0x970 [ 74.366456] shmem_getpage_gfp+0x44a/0x3640 [ 74.370771] ? shmem_add_to_page_cache+0xd30/0xd30 [ 74.375728] ? lock_downgrade+0x880/0x880 [ 74.379890] ? kasan_check_read+0x11/0x20 [ 74.384037] shmem_fault+0x233/0x760 [ 74.387779] ? __handle_mm_fault+0x34de/0x3f80 [ 74.392363] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 74.397643] ? lock_downgrade+0x880/0x880 [ 74.401786] __do_fault+0x111/0x480 [ 74.405401] __handle_mm_fault+0x2d78/0x3f80 [ 74.409890] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 74.414727] ? count_memcg_event_mm+0x2b1/0x4d0 [ 74.419381] handle_mm_fault+0x1b5/0x690 [ 74.423693] __do_page_fault+0x62a/0xe90 [ 74.427743] ? vmalloc_fault+0x740/0x740 [ 74.431803] ? trace_hardirqs_off_caller+0x65/0x220 [ 74.436810] ? trace_hardirqs_on_caller+0x6a/0x220 [ 74.441733] do_page_fault+0x71/0x57d [ 74.445531] page_fault+0x1e/0x30 [ 74.448970] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 74.454839] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 74.473728] RSP: 0018:ffff888099337a18 EFLAGS: 00010206 [ 74.479080] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000001063 [ 74.486333] RDX: 0000000000003fe3 RSI: 0000000020007000 RDI: ffff888096866f9d [ 74.493587] RBP: ffff888099337a50 R08: ffffed1012d0d000 R09: 0000000000000000 [ 74.500861] R10: ffffed1012d0cfff R11: ffff888096867fff R12: 0000000020004080 [ 74.508115] R13: ffff88809686401d R14: 0000000020008063 R15: 00007ffffffff000 [ 74.515388] ? copyin+0xe2/0x100 [ 74.518754] _copy_from_iter+0x20a/0xb30 [ 74.522853] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 74.528379] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 74.533903] ? __check_object_size+0x3d/0x42a [ 74.538387] tls_sw_sendmsg+0x8a9/0x1240 [ 74.542441] ? tls_sw_push_pending_record+0x30/0x30 [ 74.547455] ? proc_fail_nth_write+0x9d/0x1e0 [ 74.551943] inet_sendmsg+0x141/0x5d0 [ 74.555731] ? ipip_gro_receive+0x100/0x100 [ 74.560041] sock_sendmsg+0xd7/0x130 [ 74.563739] __sys_sendto+0x262/0x380 [ 74.567534] ? __ia32_sys_getpeername+0xb0/0xb0 [ 74.572194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 74.577718] ? __sb_end_write+0xd9/0x110 [ 74.581766] ? vfs_write+0x160/0x560 [ 74.585468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 74.590989] ? ksys_write+0x1f1/0x2d0 [ 74.594786] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 74.599539] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 74.604282] ? do_syscall_64+0x26/0x620 [ 74.608241] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.613608] __x64_sys_sendto+0xe1/0x1a0 [ 74.617659] do_syscall_64+0xfd/0x620 [ 74.621459] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.626633] RIP: 0033:0x441349 [ 74.629823] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 74.649144] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 74.656838] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 74.664092] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 74.671356] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 74.678613] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 74.685878] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 74.737227] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 74.748970] FAULT_INJECTION: forcing a failure. [ 74.748970] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 74.760853] CPU: 1 PID: 7499 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 74.767780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.777123] Call Trace: [ 74.779699] dump_stack+0x172/0x1f0 [ 74.783316] should_fail.cold+0xa/0x1b [ 74.787199] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 74.792331] ? __might_sleep+0x95/0x190 [ 74.796293] __alloc_pages_nodemask+0x1ee/0x750 [ 74.800947] ? __alloc_pages_slowpath+0x2870/0x2870 [ 74.805952] ? mark_held_locks+0x100/0x100 [ 74.810173] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 74.815746] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 74.821272] alloc_pages_vma+0xdd/0x590 [ 74.825239] shmem_alloc_page+0xc0/0x180 [ 74.829296] ? shmem_swapin+0x1a0/0x1a0 [ 74.833277] ? filemap_map_pages+0x1130/0x1130 [ 74.837844] ? mark_held_locks+0xb1/0x100 [ 74.841979] shmem_alloc_and_acct_page+0x165/0x970 [ 74.848546] shmem_getpage_gfp+0x44a/0x3640 [ 74.852861] ? shmem_add_to_page_cache+0xd30/0xd30 [ 74.857786] ? lock_downgrade+0x880/0x880 [ 74.861922] ? kasan_check_read+0x11/0x20 [ 74.866057] shmem_fault+0x233/0x760 [ 74.869770] ? __handle_mm_fault+0x34de/0x3f80 [ 74.874428] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 74.879700] ? lock_downgrade+0x880/0x880 [ 74.883837] __do_fault+0x111/0x480 [ 74.887460] __handle_mm_fault+0x2d78/0x3f80 [ 74.891854] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 74.896699] ? count_memcg_event_mm+0x2b1/0x4d0 [ 74.901373] handle_mm_fault+0x1b5/0x690 [ 74.905434] __do_page_fault+0x62a/0xe90 [ 74.909490] ? vmalloc_fault+0x740/0x740 [ 74.913539] ? trace_hardirqs_off_caller+0x65/0x220 [ 74.918540] ? trace_hardirqs_on_caller+0x6a/0x220 [ 74.923454] do_page_fault+0x71/0x57d [ 74.927241] page_fault+0x1e/0x30 [ 74.930700] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 74.936577] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 74.955529] RSP: 0018:ffff8880806c7a18 EFLAGS: 00010206 [ 74.960885] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000001063 [ 74.968138] RDX: 0000000000003fe3 RSI: 0000000020007000 RDI: ffff88809a2def9d [ 74.975391] RBP: ffff8880806c7a50 R08: ffffed101345c000 R09: 0000000000000000 [ 74.982645] R10: ffffed101345bfff R11: ffff88809a2dffff R12: 0000000020004080 [ 74.989908] R13: ffff88809a2dc01d R14: 0000000020008063 R15: 00007ffffffff000 [ 74.997326] ? copyin+0xe2/0x100 [ 75.000768] _copy_from_iter+0x20a/0xb30 [ 75.004832] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 75.010366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 75.015999] ? __check_object_size+0x3d/0x42a [ 75.020487] tls_sw_sendmsg+0x8a9/0x1240 [ 75.025100] ? tls_sw_push_pending_record+0x30/0x30 [ 75.030131] ? proc_fail_nth_write+0x9d/0x1e0 [ 75.034628] inet_sendmsg+0x141/0x5d0 [ 75.038419] ? ipip_gro_receive+0x100/0x100 [ 75.042735] sock_sendmsg+0xd7/0x130 [ 75.046446] __sys_sendto+0x262/0x380 [ 75.050286] ? __ia32_sys_getpeername+0xb0/0xb0 [ 75.054985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.060513] ? __sb_end_write+0xd9/0x110 [ 75.064574] ? vfs_write+0x160/0x560 [ 75.068281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.073857] ? ksys_write+0x1f1/0x2d0 [ 75.077971] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 75.082710] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 75.087491] ? do_syscall_64+0x26/0x620 [ 75.091472] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.096832] __x64_sys_sendto+0xe1/0x1a0 [ 75.100910] do_syscall_64+0xfd/0x620 [ 75.104714] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.110331] RIP: 0033:0x441349 [ 75.113513] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 75.132399] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 75.140101] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 75.147377] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 75.154709] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 75.161982] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 75.169272] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 75.219304] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 75.231180] FAULT_INJECTION: forcing a failure. [ 75.231180] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 75.243292] CPU: 1 PID: 7500 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 75.250226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.259569] Call Trace: [ 75.262188] dump_stack+0x172/0x1f0 [ 75.265816] should_fail.cold+0xa/0x1b [ 75.269724] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 75.274831] ? __might_sleep+0x95/0x190 [ 75.278931] __alloc_pages_nodemask+0x1ee/0x750 [ 75.283612] ? __alloc_pages_slowpath+0x2870/0x2870 [ 75.288630] ? mark_held_locks+0x100/0x100 [ 75.292877] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 75.298406] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 75.303990] alloc_pages_vma+0xdd/0x590 [ 75.307995] shmem_alloc_page+0xc0/0x180 [ 75.312075] ? shmem_swapin+0x1a0/0x1a0 [ 75.316058] ? filemap_map_pages+0x1130/0x1130 [ 75.320649] ? mark_held_locks+0xb1/0x100 [ 75.324794] shmem_alloc_and_acct_page+0x165/0x970 [ 75.329747] shmem_getpage_gfp+0x44a/0x3640 [ 75.334097] ? shmem_add_to_page_cache+0xd30/0xd30 [ 75.339019] ? lock_downgrade+0x880/0x880 [ 75.343169] ? kasan_check_read+0x11/0x20 [ 75.347312] shmem_fault+0x233/0x760 [ 75.351018] ? __handle_mm_fault+0x34de/0x3f80 [ 75.355631] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 75.360902] ? lock_downgrade+0x880/0x880 [ 75.365045] __do_fault+0x111/0x480 [ 75.368661] __handle_mm_fault+0x2d78/0x3f80 [ 75.373065] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 75.377909] ? count_memcg_event_mm+0x2b1/0x4d0 [ 75.382571] handle_mm_fault+0x1b5/0x690 [ 75.386627] __do_page_fault+0x62a/0xe90 [ 75.390685] ? vmalloc_fault+0x740/0x740 [ 75.394826] ? trace_hardirqs_off_caller+0x65/0x220 [ 75.399831] ? trace_hardirqs_on_caller+0x6a/0x220 [ 75.404750] do_page_fault+0x71/0x57d [ 75.408574] page_fault+0x1e/0x30 [ 75.412021] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 75.417914] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 75.436926] RSP: 0018:ffff8880806c7a18 EFLAGS: 00010206 [ 75.442387] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 75.449675] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff8880809cff9d [ 75.456948] RBP: ffff8880806c7a50 R08: ffffed101013a000 R09: 0000000000000000 [ 75.464210] R10: ffffed1010139fff R11: ffff8880809cffff R12: 0000000020004080 [ 75.471477] R13: ffff8880809cc01d R14: 0000000020008063 R15: 00007ffffffff000 [ 75.478758] ? copyin+0xe2/0x100 [ 75.482120] _copy_from_iter+0x20a/0xb30 [ 75.486175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 75.491707] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 75.497240] ? __check_object_size+0x3d/0x42a [ 75.501739] tls_sw_sendmsg+0x8a9/0x1240 [ 75.505824] ? tls_sw_push_pending_record+0x30/0x30 [ 75.510838] ? proc_fail_nth_write+0x9d/0x1e0 [ 75.515337] inet_sendmsg+0x141/0x5d0 [ 75.519134] ? ipip_gro_receive+0x100/0x100 [ 75.523464] sock_sendmsg+0xd7/0x130 [ 75.527173] __sys_sendto+0x262/0x380 [ 75.530966] ? __ia32_sys_getpeername+0xb0/0xb0 [ 75.535646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.541201] ? __sb_end_write+0xd9/0x110 [ 75.545386] ? vfs_write+0x160/0x560 [ 75.549369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.554914] ? ksys_write+0x1f1/0x2d0 [ 75.558716] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 75.563468] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 75.568220] ? do_syscall_64+0x26/0x620 [ 75.572190] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.577569] __x64_sys_sendto+0xe1/0x1a0 [ 75.581653] do_syscall_64+0xfd/0x620 [ 75.585569] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.590883] RIP: 0033:0x441349 [ 75.594073] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 75.613662] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 75.621624] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 75.628896] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 75.636197] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 75.643461] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 75.650725] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 75.701794] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 75.714000] FAULT_INJECTION: forcing a failure. [ 75.714000] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 75.726216] CPU: 1 PID: 7501 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 75.733205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.742669] Call Trace: [ 75.745258] dump_stack+0x172/0x1f0 [ 75.748887] should_fail.cold+0xa/0x1b [ 75.752769] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 75.757869] ? __might_sleep+0x95/0x190 [ 75.761839] __alloc_pages_nodemask+0x1ee/0x750 [ 75.766558] ? __alloc_pages_slowpath+0x2870/0x2870 [ 75.771579] ? mark_held_locks+0x100/0x100 [ 75.775842] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 75.781376] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 75.787082] alloc_pages_vma+0xdd/0x590 [ 75.791071] shmem_alloc_page+0xc0/0x180 [ 75.795536] ? shmem_swapin+0x1a0/0x1a0 [ 75.799528] ? filemap_map_pages+0x1130/0x1130 [ 75.804131] ? mark_held_locks+0xb1/0x100 [ 75.808381] shmem_alloc_and_acct_page+0x165/0x970 [ 75.813311] shmem_getpage_gfp+0x44a/0x3640 [ 75.817772] ? shmem_add_to_page_cache+0xd30/0xd30 [ 75.822696] ? lock_downgrade+0x880/0x880 [ 75.827050] ? kasan_check_read+0x11/0x20 [ 75.831206] shmem_fault+0x233/0x760 [ 75.835008] ? __handle_mm_fault+0x34de/0x3f80 [ 75.839594] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 75.845109] ? lock_downgrade+0x880/0x880 [ 75.849256] __do_fault+0x111/0x480 [ 75.852879] __handle_mm_fault+0x2d78/0x3f80 [ 75.857384] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 75.862230] ? count_memcg_event_mm+0x2b1/0x4d0 [ 75.867242] handle_mm_fault+0x1b5/0x690 [ 75.871443] __do_page_fault+0x62a/0xe90 [ 75.875630] ? vmalloc_fault+0x740/0x740 [ 75.879984] ? trace_hardirqs_off_caller+0x65/0x220 [ 75.885091] ? trace_hardirqs_on_caller+0x6a/0x220 [ 75.890054] do_page_fault+0x71/0x57d [ 75.893861] page_fault+0x1e/0x30 [ 75.897316] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 75.903567] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 75.924262] RSP: 0018:ffff8880958b7a18 EFLAGS: 00010206 [ 75.929644] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 75.936921] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff888093467f9d [ 75.944571] RBP: ffff8880958b7a50 R08: ffffed101268d000 R09: 0000000000000000 [ 75.953107] R10: ffffed101268cfff R11: ffff888093467fff R12: 0000000020004080 [ 75.960505] R13: ffff88809346401d R14: 0000000020008063 R15: 00007ffffffff000 [ 75.967798] ? copyin+0xe2/0x100 [ 75.971216] _copy_from_iter+0x20a/0xb30 [ 75.975285] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 75.980870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 75.986722] ? __check_object_size+0x3d/0x42a [ 75.991358] tls_sw_sendmsg+0x8a9/0x1240 [ 75.995987] ? tls_sw_push_pending_record+0x30/0x30 [ 76.001175] ? proc_fail_nth_write+0x9d/0x1e0 [ 76.006062] inet_sendmsg+0x141/0x5d0 [ 76.009866] ? ipip_gro_receive+0x100/0x100 [ 76.014189] sock_sendmsg+0xd7/0x130 [ 76.017906] __sys_sendto+0x262/0x380 [ 76.021848] ? __ia32_sys_getpeername+0xb0/0xb0 [ 76.026843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.032620] ? __sb_end_write+0xd9/0x110 [ 76.036952] ? vfs_write+0x160/0x560 [ 76.040926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.046505] ? ksys_write+0x1f1/0x2d0 [ 76.050315] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 76.055070] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 76.059925] ? do_syscall_64+0x26/0x620 [ 76.064593] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.069973] __x64_sys_sendto+0xe1/0x1a0 [ 76.074071] do_syscall_64+0xfd/0x620 [ 76.078059] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.083378] RIP: 0033:0x441349 [ 76.086801] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.105911] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 76.113744] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 76.121138] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 76.128599] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 76.135881] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 76.143338] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 76.223667] FAULT_INJECTION: forcing a failure. [ 76.223667] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 76.236018] CPU: 1 PID: 7502 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 76.243090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.253668] Call Trace: [ 76.256383] dump_stack+0x172/0x1f0 [ 76.260056] should_fail.cold+0xa/0x1b [ 76.264083] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 76.269301] ? __might_sleep+0x95/0x190 [ 76.273291] __alloc_pages_nodemask+0x1ee/0x750 [ 76.278323] ? __alloc_pages_slowpath+0x2870/0x2870 [ 76.283412] ? mark_held_locks+0x100/0x100 [ 76.287731] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 76.293325] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 76.299145] alloc_pages_vma+0xdd/0x590 [ 76.303215] shmem_alloc_page+0xc0/0x180 [ 76.307590] ? shmem_swapin+0x1a0/0x1a0 [ 76.311586] ? filemap_map_pages+0x1130/0x1130 [ 76.316235] ? mark_held_locks+0xb1/0x100 [ 76.320388] shmem_alloc_and_acct_page+0x165/0x970 [ 76.325319] shmem_getpage_gfp+0x44a/0x3640 [ 76.330171] ? shmem_add_to_page_cache+0xd30/0xd30 [ 76.335217] ? lock_downgrade+0x880/0x880 [ 76.339369] ? kasan_check_read+0x11/0x20 [ 76.343853] shmem_fault+0x233/0x760 [ 76.347707] ? __handle_mm_fault+0x34de/0x3f80 [ 76.352305] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 76.357739] ? lock_downgrade+0x880/0x880 [ 76.361939] __do_fault+0x111/0x480 [ 76.365831] __handle_mm_fault+0x2d78/0x3f80 [ 76.370486] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 76.375611] ? count_memcg_event_mm+0x2b1/0x4d0 [ 76.380855] handle_mm_fault+0x1b5/0x690 [ 76.385253] __do_page_fault+0x62a/0xe90 [ 76.389601] ? vmalloc_fault+0x740/0x740 [ 76.393672] ? trace_hardirqs_off_caller+0x65/0x220 [ 76.398777] ? trace_hardirqs_on_caller+0x6a/0x220 [ 76.404233] do_page_fault+0x71/0x57d [ 76.408184] page_fault+0x1e/0x30 [ 76.412318] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 76.418605] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 76.438864] RSP: 0018:ffff88807fc3fa18 EFLAGS: 00010206 [ 76.445084] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000001063 [ 76.452625] RDX: 0000000000003fe3 RSI: 0000000020007000 RDI: ffff888097956f9d [ 76.460077] RBP: ffff88807fc3fa50 R08: ffffed1012f2b000 R09: 0000000000000000 [ 76.467667] R10: ffffed1012f2afff R11: ffff888097957fff R12: 0000000020004080 [ 76.475303] R13: ffff88809795401d R14: 0000000020008063 R15: 00007ffffffff000 [ 76.483867] ? copyin+0xe2/0x100 [ 76.487257] _copy_from_iter+0x20a/0xb30 [ 76.491331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 76.496878] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 76.502822] ? __check_object_size+0x3d/0x42a [ 76.507473] tls_sw_sendmsg+0x8a9/0x1240 [ 76.511644] ? tls_sw_push_pending_record+0x30/0x30 [ 76.516657] ? proc_fail_nth_write+0x9d/0x1e0 [ 76.521289] inet_sendmsg+0x141/0x5d0 [ 76.525452] ? ipip_gro_receive+0x100/0x100 [ 76.529790] sock_sendmsg+0xd7/0x130 [ 76.533565] __sys_sendto+0x262/0x380 [ 76.537722] ? __ia32_sys_getpeername+0xb0/0xb0 [ 76.542430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.548147] ? __sb_end_write+0xd9/0x110 [ 76.552208] ? vfs_write+0x160/0x560 [ 76.555923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.561758] ? ksys_write+0x1f1/0x2d0 [ 76.565727] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 76.570504] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 76.575258] ? do_syscall_64+0x26/0x620 [ 76.579235] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.584603] __x64_sys_sendto+0xe1/0x1a0 [ 76.588676] do_syscall_64+0xfd/0x620 [ 76.592487] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.597681] RIP: 0033:0x441349 [ 76.600871] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.620088] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 76.627988] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 76.635301] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 76.642571] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 76.649838] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 76.657108] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 76.708600] net_ratelimit: 1 callbacks suppressed [ 76.708608] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 76.726182] FAULT_INJECTION: forcing a failure. [ 76.726182] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 76.739253] CPU: 0 PID: 7503 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 76.746607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.755972] Call Trace: [ 76.758741] dump_stack+0x172/0x1f0 [ 76.762565] should_fail.cold+0xa/0x1b [ 76.766488] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 76.771698] ? __might_sleep+0x95/0x190 [ 76.775765] __alloc_pages_nodemask+0x1ee/0x750 [ 76.780531] ? __alloc_pages_slowpath+0x2870/0x2870 [ 76.785681] ? mark_held_locks+0x100/0x100 [ 76.790004] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 76.795953] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 76.802482] alloc_pages_vma+0xdd/0x590 [ 76.807349] shmem_alloc_page+0xc0/0x180 [ 76.812231] ? shmem_swapin+0x1a0/0x1a0 [ 76.816825] ? filemap_map_pages+0x1130/0x1130 [ 76.821745] ? mark_held_locks+0xb1/0x100 [ 76.826796] shmem_alloc_and_acct_page+0x165/0x970 [ 76.832406] shmem_getpage_gfp+0x44a/0x3640 [ 76.836760] ? shmem_add_to_page_cache+0xd30/0xd30 [ 76.842281] ? lock_downgrade+0x880/0x880 [ 76.848298] ? kasan_check_read+0x11/0x20 [ 76.852547] shmem_fault+0x233/0x760 [ 76.856491] ? __handle_mm_fault+0x34de/0x3f80 [ 76.861303] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 76.866682] ? lock_downgrade+0x880/0x880 [ 76.871060] __do_fault+0x111/0x480 [ 76.874910] __handle_mm_fault+0x2d78/0x3f80 [ 76.880082] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 76.885383] ? count_memcg_event_mm+0x2b1/0x4d0 [ 76.890364] handle_mm_fault+0x1b5/0x690 [ 76.895377] __do_page_fault+0x62a/0xe90 [ 76.899801] ? vmalloc_fault+0x740/0x740 [ 76.904173] ? trace_hardirqs_off_caller+0x65/0x220 [ 76.909210] ? trace_hardirqs_on_caller+0x6a/0x220 [ 76.914168] do_page_fault+0x71/0x57d [ 76.918215] page_fault+0x1e/0x30 [ 76.921967] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 76.928412] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 76.947935] RSP: 0018:ffff88807fc3fa18 EFLAGS: 00010206 [ 76.953401] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 76.961038] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff8880957d7f9d [ 76.968787] RBP: ffff88807fc3fa50 R08: ffffed1012afb000 R09: 0000000000000000 [ 76.976364] R10: ffffed1012afafff R11: ffff8880957d7fff R12: 0000000020004080 [ 76.984066] R13: ffff8880957d401d R14: 0000000020008063 R15: 00007ffffffff000 [ 76.991457] ? copyin+0xe2/0x100 [ 76.995191] _copy_from_iter+0x20a/0xb30 [ 76.999366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 77.005606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 77.011753] ? __check_object_size+0x3d/0x42a [ 77.016571] tls_sw_sendmsg+0x8a9/0x1240 [ 77.020771] ? tls_sw_push_pending_record+0x30/0x30 [ 77.025844] ? proc_fail_nth_write+0x9d/0x1e0 [ 77.030802] inet_sendmsg+0x141/0x5d0 [ 77.034684] ? ipip_gro_receive+0x100/0x100 [ 77.039867] sock_sendmsg+0xd7/0x130 [ 77.043809] __sys_sendto+0x262/0x380 [ 77.047855] ? __ia32_sys_getpeername+0xb0/0xb0 [ 77.052903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.058663] ? __sb_end_write+0xd9/0x110 [ 77.063114] ? vfs_write+0x160/0x560 [ 77.067110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.073174] ? ksys_write+0x1f1/0x2d0 [ 77.077284] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 77.082507] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 77.087604] ? do_syscall_64+0x26/0x620 [ 77.091593] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.097023] __x64_sys_sendto+0xe1/0x1a0 [ 77.101450] do_syscall_64+0xfd/0x620 [ 77.105261] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.110452] RIP: 0033:0x441349 [ 77.113769] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.133615] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 77.141669] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 77.149500] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 77.157515] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 77.164971] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 77.172542] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 77.225236] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 77.239125] FAULT_INJECTION: forcing a failure. [ 77.239125] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 77.251143] audit: type=1400 audit(1570299421.382:37): avc: denied { map } for pid=7506 comm="sh" path="/bin/dash" dev="sda1" ino=1473 scontext=system_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 77.256977] CPU: 1 PID: 7505 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 77.280842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.290278] Call Trace: [ 77.292863] dump_stack+0x172/0x1f0 [ 77.296485] should_fail.cold+0xa/0x1b [ 77.300391] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 77.305512] ? __might_sleep+0x95/0x190 [ 77.309491] __alloc_pages_nodemask+0x1ee/0x750 [ 77.314154] ? __alloc_pages_slowpath+0x2870/0x2870 [ 77.319180] ? mark_held_locks+0x100/0x100 [ 77.323425] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 77.328964] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 77.334635] alloc_pages_vma+0xdd/0x590 [ 77.338766] shmem_alloc_page+0xc0/0x180 [ 77.342939] ? shmem_swapin+0x1a0/0x1a0 [ 77.346934] ? filemap_map_pages+0x1130/0x1130 [ 77.351515] ? mark_held_locks+0xb1/0x100 [ 77.355665] shmem_alloc_and_acct_page+0x165/0x970 [ 77.360593] shmem_getpage_gfp+0x44a/0x3640 [ 77.365207] ? shmem_add_to_page_cache+0xd30/0xd30 [ 77.370145] ? lock_downgrade+0x880/0x880 [ 77.374294] ? kasan_check_read+0x11/0x20 [ 77.378688] shmem_fault+0x233/0x760 [ 77.382510] ? __handle_mm_fault+0x34de/0x3f80 [ 77.387241] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 77.392821] ? lock_downgrade+0x880/0x880 [ 77.396975] __do_fault+0x111/0x480 [ 77.400603] __handle_mm_fault+0x2d78/0x3f80 [ 77.405207] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 77.410145] ? count_memcg_event_mm+0x2b1/0x4d0 [ 77.415344] handle_mm_fault+0x1b5/0x690 [ 77.419478] __do_page_fault+0x62a/0xe90 [ 77.423579] ? vmalloc_fault+0x740/0x740 [ 77.427641] ? trace_hardirqs_off_caller+0x65/0x220 [ 77.433049] ? trace_hardirqs_on_caller+0x6a/0x220 [ 77.438221] do_page_fault+0x71/0x57d [ 77.442142] page_fault+0x1e/0x30 [ 77.445663] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 77.451665] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 77.471377] RSP: 0018:ffff888095f57a18 EFLAGS: 00010206 [ 77.476971] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 77.484266] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff8880986c7f9d [ 77.491706] RBP: ffff888095f57a50 R08: ffffed10130d9000 R09: 0000000000000000 [ 77.499654] R10: ffffed10130d8fff R11: ffff8880986c7fff R12: 0000000020004080 [ 77.507254] R13: ffff8880986c401d R14: 0000000020008063 R15: 00007ffffffff000 [ 77.514697] ? copyin+0xe2/0x100 [ 77.518063] _copy_from_iter+0x20a/0xb30 [ 77.522471] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 77.528124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 77.533834] ? __check_object_size+0x3d/0x42a [ 77.538332] tls_sw_sendmsg+0x8a9/0x1240 [ 77.542491] ? tls_sw_push_pending_record+0x30/0x30 [ 77.548449] ? proc_fail_nth_write+0x9d/0x1e0 [ 77.553618] inet_sendmsg+0x141/0x5d0 [ 77.557435] ? ipip_gro_receive+0x100/0x100 [ 77.562222] sock_sendmsg+0xd7/0x130 [ 77.565951] __sys_sendto+0x262/0x380 [ 77.569759] ? __ia32_sys_getpeername+0xb0/0xb0 [ 77.574635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.580297] ? __sb_end_write+0xd9/0x110 [ 77.584357] ? vfs_write+0x160/0x560 [ 77.588100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.593913] ? ksys_write+0x1f1/0x2d0 [ 77.597863] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 77.602812] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 77.607688] ? do_syscall_64+0x26/0x620 [ 77.611664] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.617130] __x64_sys_sendto+0xe1/0x1a0 [ 77.621845] do_syscall_64+0xfd/0x620 [ 77.625818] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.631006] RIP: 0033:0x441349 [ 77.634221] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.653607] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 77.662300] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 77.669669] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 77.676990] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 77.684359] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 77.691712] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 77.740475] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 77.753310] FAULT_INJECTION: forcing a failure. [ 77.753310] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 77.765639] CPU: 0 PID: 7508 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 77.772807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.782160] Call Trace: [ 77.784749] dump_stack+0x172/0x1f0 [ 77.788495] should_fail.cold+0xa/0x1b [ 77.792531] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 77.797682] ? __might_sleep+0x95/0x190 [ 77.801658] __alloc_pages_nodemask+0x1ee/0x750 [ 77.806543] ? __alloc_pages_slowpath+0x2870/0x2870 [ 77.811563] ? mark_held_locks+0x100/0x100 [ 77.816490] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 77.822235] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 77.827931] alloc_pages_vma+0xdd/0x590 [ 77.831935] shmem_alloc_page+0xc0/0x180 [ 77.836006] ? shmem_swapin+0x1a0/0x1a0 [ 77.840043] ? filemap_map_pages+0x1130/0x1130 [ 77.845058] ? mark_held_locks+0xb1/0x100 [ 77.849472] shmem_alloc_and_acct_page+0x165/0x970 [ 77.854617] shmem_getpage_gfp+0x44a/0x3640 [ 77.858963] ? shmem_add_to_page_cache+0xd30/0xd30 [ 77.864208] ? lock_downgrade+0x880/0x880 [ 77.868456] ? kasan_check_read+0x11/0x20 [ 77.872732] shmem_fault+0x233/0x760 [ 77.876448] ? __handle_mm_fault+0x34de/0x3f80 [ 77.881745] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 77.887888] ? lock_downgrade+0x880/0x880 [ 77.892064] __do_fault+0x111/0x480 [ 77.895822] __handle_mm_fault+0x2d78/0x3f80 [ 77.900467] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 77.905472] ? count_memcg_event_mm+0x2b1/0x4d0 [ 77.910283] handle_mm_fault+0x1b5/0x690 [ 77.914349] __do_page_fault+0x62a/0xe90 [ 77.918477] ? vmalloc_fault+0x740/0x740 [ 77.922729] ? trace_hardirqs_off_caller+0x65/0x220 [ 77.927742] ? trace_hardirqs_on_caller+0x6a/0x220 [ 77.932979] do_page_fault+0x71/0x57d [ 77.936984] page_fault+0x1e/0x30 [ 77.940541] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 77.946607] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 77.966554] RSP: 0018:ffff888095f57a18 EFLAGS: 00010206 [ 77.971950] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 77.980231] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff88809781ff9d [ 77.987590] RBP: ffff888095f57a50 R08: ffffed1012f04000 R09: 0000000000000000 [ 77.995420] R10: ffffed1012f03fff R11: ffff88809781ffff R12: 0000000020004080 [ 78.003037] R13: ffff88809781c01d R14: 0000000020008063 R15: 00007ffffffff000 [ 78.010441] ? copyin+0xe2/0x100 [ 78.013891] _copy_from_iter+0x20a/0xb30 [ 78.017966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 78.023654] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 78.029197] ? __check_object_size+0x3d/0x42a [ 78.033866] tls_sw_sendmsg+0x8a9/0x1240 [ 78.038039] ? tls_sw_push_pending_record+0x30/0x30 [ 78.043318] ? proc_fail_nth_write+0x9d/0x1e0 [ 78.047960] inet_sendmsg+0x141/0x5d0 [ 78.051872] ? ipip_gro_receive+0x100/0x100 [ 78.056314] sock_sendmsg+0xd7/0x130 [ 78.060047] __sys_sendto+0x262/0x380 [ 78.063971] ? __ia32_sys_getpeername+0xb0/0xb0 [ 78.068914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.074505] ? __sb_end_write+0xd9/0x110 [ 78.078575] ? vfs_write+0x160/0x560 [ 78.082886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.088511] ? ksys_write+0x1f1/0x2d0 [ 78.092319] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 78.097195] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 78.102117] ? do_syscall_64+0x26/0x620 [ 78.106493] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.112004] __x64_sys_sendto+0xe1/0x1a0 [ 78.116202] do_syscall_64+0xfd/0x620 [ 78.120279] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.125709] RIP: 0033:0x441349 [ 78.129113] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.148532] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 78.156412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 78.163934] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 78.171253] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 78.178778] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff executing program [ 78.186419] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 78.232938] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 78.245728] FAULT_INJECTION: forcing a failure. [ 78.245728] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 78.258329] CPU: 1 PID: 7509 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 78.265449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.274842] Call Trace: [ 78.277595] dump_stack+0x172/0x1f0 [ 78.281529] should_fail.cold+0xa/0x1b [ 78.285668] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 78.290783] ? __might_sleep+0x95/0x190 [ 78.294949] __alloc_pages_nodemask+0x1ee/0x750 [ 78.299774] ? __alloc_pages_slowpath+0x2870/0x2870 [ 78.305205] ? mark_held_locks+0x100/0x100 [ 78.309449] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 78.315106] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 78.320660] alloc_pages_vma+0xdd/0x590 [ 78.324999] shmem_alloc_page+0xc0/0x180 [ 78.329206] ? shmem_swapin+0x1a0/0x1a0 [ 78.333248] ? filemap_map_pages+0x1130/0x1130 [ 78.337954] ? mark_held_locks+0xb1/0x100 [ 78.342109] shmem_alloc_and_acct_page+0x165/0x970 [ 78.347043] shmem_getpage_gfp+0x44a/0x3640 [ 78.351460] ? shmem_add_to_page_cache+0xd30/0xd30 [ 78.356389] ? lock_downgrade+0x880/0x880 [ 78.360799] ? kasan_check_read+0x11/0x20 [ 78.365482] shmem_fault+0x233/0x760 [ 78.369219] ? __handle_mm_fault+0x34de/0x3f80 [ 78.373919] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 78.379300] ? lock_downgrade+0x880/0x880 [ 78.383538] __do_fault+0x111/0x480 [ 78.387257] __handle_mm_fault+0x2d78/0x3f80 [ 78.392039] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 78.396903] ? count_memcg_event_mm+0x2b1/0x4d0 [ 78.401579] handle_mm_fault+0x1b5/0x690 [ 78.405656] __do_page_fault+0x62a/0xe90 [ 78.410011] ? vmalloc_fault+0x740/0x740 [ 78.414354] ? trace_hardirqs_off_caller+0x65/0x220 [ 78.419585] ? trace_hardirqs_on_caller+0x6a/0x220 [ 78.424594] do_page_fault+0x71/0x57d [ 78.428491] page_fault+0x1e/0x30 [ 78.432116] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 78.438212] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 78.457234] RSP: 0018:ffff888098b27a18 EFLAGS: 00010206 [ 78.462926] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 78.471602] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff888097aaff9d [ 78.478958] RBP: ffff888098b27a50 R08: ffffed1012f56000 R09: 0000000000000000 [ 78.486228] R10: ffffed1012f55fff R11: ffff888097aaffff R12: 0000000020004080 [ 78.493714] R13: ffff888097aac01d R14: 0000000020008063 R15: 00007ffffffff000 [ 78.501035] ? copyin+0xe2/0x100 [ 78.504463] _copy_from_iter+0x20a/0xb30 [ 78.508592] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 78.521457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 78.527133] ? __check_object_size+0x3d/0x42a [ 78.531915] tls_sw_sendmsg+0x8a9/0x1240 [ 78.536333] ? tls_sw_push_pending_record+0x30/0x30 [ 78.541661] ? proc_fail_nth_write+0x9d/0x1e0 [ 78.546165] inet_sendmsg+0x141/0x5d0 [ 78.549970] ? ipip_gro_receive+0x100/0x100 [ 78.554406] sock_sendmsg+0xd7/0x130 [ 78.558334] __sys_sendto+0x262/0x380 [ 78.562197] ? __ia32_sys_getpeername+0xb0/0xb0 [ 78.566881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.572452] ? __sb_end_write+0xd9/0x110 [ 78.579072] ? vfs_write+0x160/0x560 [ 78.582785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.588385] ? ksys_write+0x1f1/0x2d0 [ 78.592197] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 78.597081] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 78.601948] ? do_syscall_64+0x26/0x620 [ 78.605919] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.611460] __x64_sys_sendto+0xe1/0x1a0 [ 78.615572] do_syscall_64+0xfd/0x620 [ 78.619676] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.625017] RIP: 0033:0x441349 [ 78.628359] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.648381] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 78.656092] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 78.663449] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 78.670971] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b executing program [ 78.678881] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 78.686299] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 78.732209] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 78.744438] FAULT_INJECTION: forcing a failure. [ 78.744438] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 78.757086] CPU: 0 PID: 7510 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 78.764207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.774220] Call Trace: [ 78.777201] dump_stack+0x172/0x1f0 [ 78.781196] should_fail.cold+0xa/0x1b [ 78.785085] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 78.790286] ? __might_sleep+0x95/0x190 [ 78.794384] __alloc_pages_nodemask+0x1ee/0x750 [ 78.799199] ? __alloc_pages_slowpath+0x2870/0x2870 [ 78.804382] ? mark_held_locks+0x100/0x100 [ 78.809661] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 78.815248] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 78.820888] alloc_pages_vma+0xdd/0x590 [ 78.824882] shmem_alloc_page+0xc0/0x180 [ 78.829113] ? shmem_swapin+0x1a0/0x1a0 [ 78.833365] ? filemap_map_pages+0x1130/0x1130 [ 78.837949] ? mark_held_locks+0xb1/0x100 [ 78.842129] shmem_alloc_and_acct_page+0x165/0x970 [ 78.847152] shmem_getpage_gfp+0x44a/0x3640 [ 78.851530] ? shmem_add_to_page_cache+0xd30/0xd30 [ 78.856911] ? lock_downgrade+0x880/0x880 [ 78.861325] ? kasan_check_read+0x11/0x20 [ 78.865853] shmem_fault+0x233/0x760 [ 78.869871] ? __handle_mm_fault+0x34de/0x3f80 [ 78.874509] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 78.879840] ? lock_downgrade+0x880/0x880 [ 78.885980] __do_fault+0x111/0x480 [ 78.890146] __handle_mm_fault+0x2d78/0x3f80 [ 78.894959] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 78.899943] ? count_memcg_event_mm+0x2b1/0x4d0 [ 78.904617] handle_mm_fault+0x1b5/0x690 [ 78.909146] __do_page_fault+0x62a/0xe90 [ 78.914093] ? vmalloc_fault+0x740/0x740 [ 78.918525] ? trace_hardirqs_off_caller+0x65/0x220 [ 78.923536] ? trace_hardirqs_on_caller+0x6a/0x220 [ 78.928750] do_page_fault+0x71/0x57d [ 78.932921] page_fault+0x1e/0x30 [ 78.936513] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 78.942488] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 78.962527] RSP: 0018:ffff888098b27a18 EFLAGS: 00010206 [ 78.968198] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000001063 [ 78.975596] RDX: 0000000000003fe3 RSI: 0000000020007000 RDI: ffff888097ea6f9d [ 78.982986] RBP: ffff888098b27a50 R08: ffffed1012fd5000 R09: 0000000000000000 [ 78.990709] R10: ffffed1012fd4fff R11: ffff888097ea7fff R12: 0000000020004080 [ 78.998075] R13: ffff888097ea401d R14: 0000000020008063 R15: 00007ffffffff000 [ 79.005517] ? copyin+0xe2/0x100 [ 79.009011] _copy_from_iter+0x20a/0xb30 [ 79.013085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 79.018787] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 79.024338] ? __check_object_size+0x3d/0x42a [ 79.028853] tls_sw_sendmsg+0x8a9/0x1240 [ 79.033062] ? tls_sw_push_pending_record+0x30/0x30 [ 79.038303] ? proc_fail_nth_write+0x9d/0x1e0 [ 79.042956] inet_sendmsg+0x141/0x5d0 [ 79.046817] ? ipip_gro_receive+0x100/0x100 [ 79.051151] sock_sendmsg+0xd7/0x130 [ 79.054874] __sys_sendto+0x262/0x380 [ 79.058679] ? __ia32_sys_getpeername+0xb0/0xb0 [ 79.063461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.069004] ? __sb_end_write+0xd9/0x110 [ 79.073224] ? vfs_write+0x160/0x560 [ 79.077104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.083001] ? ksys_write+0x1f1/0x2d0 [ 79.086821] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 79.091732] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 79.096696] ? do_syscall_64+0x26/0x620 [ 79.100895] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.106276] __x64_sys_sendto+0xe1/0x1a0 [ 79.110347] do_syscall_64+0xfd/0x620 [ 79.114153] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.119561] RIP: 0033:0x441349 [ 79.122757] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.142842] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 79.150680] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 79.158091] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 79.165432] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 79.172701] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 79.179967] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 79.237827] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 79.250226] FAULT_INJECTION: forcing a failure. [ 79.250226] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 79.262636] CPU: 1 PID: 7511 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 79.269754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.279581] Call Trace: [ 79.282179] dump_stack+0x172/0x1f0 [ 79.285808] should_fail.cold+0xa/0x1b [ 79.289701] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 79.295021] ? __might_sleep+0x95/0x190 [ 79.299017] __alloc_pages_nodemask+0x1ee/0x750 [ 79.303979] ? __alloc_pages_slowpath+0x2870/0x2870 [ 79.309128] ? mark_held_locks+0x100/0x100 [ 79.313374] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 79.319405] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 79.324999] alloc_pages_vma+0xdd/0x590 [ 79.329139] shmem_alloc_page+0xc0/0x180 [ 79.333221] ? shmem_swapin+0x1a0/0x1a0 [ 79.337211] ? filemap_map_pages+0x1130/0x1130 [ 79.342013] ? mark_held_locks+0xb1/0x100 [ 79.346202] shmem_alloc_and_acct_page+0x165/0x970 [ 79.351395] shmem_getpage_gfp+0x44a/0x3640 [ 79.355837] ? shmem_add_to_page_cache+0xd30/0xd30 [ 79.360775] ? lock_downgrade+0x880/0x880 [ 79.365098] ? kasan_check_read+0x11/0x20 [ 79.369257] shmem_fault+0x233/0x760 [ 79.372984] ? __handle_mm_fault+0x34de/0x3f80 [ 79.377594] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 79.382896] ? lock_downgrade+0x880/0x880 [ 79.387056] __do_fault+0x111/0x480 [ 79.391214] __handle_mm_fault+0x2d78/0x3f80 [ 79.395636] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 79.400693] ? count_memcg_event_mm+0x2b1/0x4d0 [ 79.405366] handle_mm_fault+0x1b5/0x690 [ 79.409436] __do_page_fault+0x62a/0xe90 [ 79.413504] ? vmalloc_fault+0x740/0x740 [ 79.417570] ? trace_hardirqs_off_caller+0x65/0x220 [ 79.422827] ? trace_hardirqs_on_caller+0x6a/0x220 [ 79.427836] do_page_fault+0x71/0x57d [ 79.431655] page_fault+0x1e/0x30 [ 79.435432] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 79.441898] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 79.461440] RSP: 0018:ffff888098b27a18 EFLAGS: 00010206 [ 79.466855] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 79.474640] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff8880801f7f9d [ 79.482244] RBP: ffff888098b27a50 R08: ffffed101003f000 R09: 0000000000000000 [ 79.489519] R10: ffffed101003efff R11: ffff8880801f7fff R12: 0000000020004080 [ 79.496794] R13: ffff8880801f401d R14: 0000000020008063 R15: 00007ffffffff000 [ 79.504192] ? copyin+0xe2/0x100 [ 79.507564] _copy_from_iter+0x20a/0xb30 [ 79.511651] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 79.517492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 79.523213] ? __check_object_size+0x3d/0x42a [ 79.527999] tls_sw_sendmsg+0x8a9/0x1240 [ 79.532218] ? tls_sw_push_pending_record+0x30/0x30 [ 79.537386] ? proc_fail_nth_write+0x9d/0x1e0 [ 79.541989] inet_sendmsg+0x141/0x5d0 [ 79.545792] ? ipip_gro_receive+0x100/0x100 [ 79.550130] sock_sendmsg+0xd7/0x130 [ 79.553969] __sys_sendto+0x262/0x380 [ 79.557778] ? __ia32_sys_getpeername+0xb0/0xb0 [ 79.562606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.568198] ? __sb_end_write+0xd9/0x110 [ 79.572392] ? vfs_write+0x160/0x560 [ 79.576130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.582099] ? ksys_write+0x1f1/0x2d0 [ 79.586118] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 79.590902] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 79.595661] ? do_syscall_64+0x26/0x620 [ 79.599924] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.605431] __x64_sys_sendto+0xe1/0x1a0 [ 79.609506] do_syscall_64+0xfd/0x620 [ 79.613323] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.618519] RIP: 0033:0x441349 [ 79.621880] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.641069] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 79.648944] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 79.656407] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 79.663845] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 79.671242] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 79.678533] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 79.733943] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 79.746952] FAULT_INJECTION: forcing a failure. [ 79.746952] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 79.759463] CPU: 0 PID: 7512 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 79.766398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.776200] Call Trace: [ 79.778802] dump_stack+0x172/0x1f0 [ 79.782447] should_fail.cold+0xa/0x1b [ 79.786520] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 79.791633] ? __might_sleep+0x95/0x190 [ 79.795613] __alloc_pages_nodemask+0x1ee/0x750 [ 79.801007] ? __alloc_pages_slowpath+0x2870/0x2870 [ 79.806034] ? mark_held_locks+0x100/0x100 [ 79.810284] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 79.816034] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 79.821585] alloc_pages_vma+0xdd/0x590 [ 79.825684] shmem_alloc_page+0xc0/0x180 [ 79.829900] ? shmem_swapin+0x1a0/0x1a0 [ 79.834158] ? filemap_map_pages+0x1130/0x1130 [ 79.838889] ? mark_held_locks+0xb1/0x100 [ 79.843187] shmem_alloc_and_acct_page+0x165/0x970 [ 79.848138] shmem_getpage_gfp+0x44a/0x3640 [ 79.852632] ? shmem_add_to_page_cache+0xd30/0xd30 [ 79.857794] ? lock_downgrade+0x880/0x880 [ 79.862108] ? kasan_check_read+0x11/0x20 [ 79.866426] shmem_fault+0x233/0x760 [ 79.870155] ? __handle_mm_fault+0x34de/0x3f80 [ 79.874749] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 79.880035] ? lock_downgrade+0x880/0x880 [ 79.884200] __do_fault+0x111/0x480 [ 79.887848] __handle_mm_fault+0x2d78/0x3f80 [ 79.892376] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 79.897614] ? count_memcg_event_mm+0x2b1/0x4d0 [ 79.902539] handle_mm_fault+0x1b5/0x690 [ 79.906757] __do_page_fault+0x62a/0xe90 [ 79.910842] ? vmalloc_fault+0x740/0x740 [ 79.915070] ? trace_hardirqs_off_caller+0x65/0x220 [ 79.920177] ? trace_hardirqs_on_caller+0x6a/0x220 [ 79.925124] do_page_fault+0x71/0x57d [ 79.928934] page_fault+0x1e/0x30 [ 79.932388] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 79.938413] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 79.958054] RSP: 0018:ffff888098b27a18 EFLAGS: 00010206 [ 79.963443] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 79.970958] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff888084efff9d [ 79.978545] RBP: ffff888098b27a50 R08: ffffed10109e0000 R09: 0000000000000000 [ 79.986098] R10: ffffed10109dffff R11: ffff888084efffff R12: 0000000020004080 [ 79.993446] R13: ffff888084efc01d R14: 0000000020008063 R15: 00007ffffffff000 [ 80.000847] ? copyin+0xe2/0x100 [ 80.004220] _copy_from_iter+0x20a/0xb30 [ 80.008298] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 80.013858] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 80.019534] ? __check_object_size+0x3d/0x42a [ 80.024038] tls_sw_sendmsg+0x8a9/0x1240 [ 80.028273] ? tls_sw_push_pending_record+0x30/0x30 [ 80.033306] ? proc_fail_nth_write+0x9d/0x1e0 [ 80.037968] inet_sendmsg+0x141/0x5d0 [ 80.041784] ? ipip_gro_receive+0x100/0x100 [ 80.046256] sock_sendmsg+0xd7/0x130 [ 80.049986] __sys_sendto+0x262/0x380 [ 80.053793] ? __ia32_sys_getpeername+0xb0/0xb0 [ 80.058589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.064143] ? __sb_end_write+0xd9/0x110 [ 80.068230] ? vfs_write+0x160/0x560 [ 80.072165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.077707] ? ksys_write+0x1f1/0x2d0 [ 80.081617] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 80.086657] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 80.091543] ? do_syscall_64+0x26/0x620 [ 80.095528] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.101160] __x64_sys_sendto+0xe1/0x1a0 [ 80.105240] do_syscall_64+0xfd/0x620 [ 80.109060] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.114249] RIP: 0033:0x441349 [ 80.117613] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.137494] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 80.145414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 80.152840] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 80.161056] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 80.168551] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 80.175823] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 80.235285] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 80.248125] FAULT_INJECTION: forcing a failure. [ 80.248125] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 80.260714] CPU: 1 PID: 7513 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 80.267664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.277541] Call Trace: [ 80.280147] dump_stack+0x172/0x1f0 [ 80.284148] should_fail.cold+0xa/0x1b [ 80.288049] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 80.293164] ? __might_sleep+0x95/0x190 [ 80.297153] __alloc_pages_nodemask+0x1ee/0x750 [ 80.302101] ? __alloc_pages_slowpath+0x2870/0x2870 [ 80.307279] ? mark_held_locks+0x100/0x100 [ 80.311530] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 80.317178] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 80.322954] alloc_pages_vma+0xdd/0x590 [ 80.327061] shmem_alloc_page+0xc0/0x180 [ 80.331135] ? shmem_swapin+0x1a0/0x1a0 [ 80.335150] ? filemap_map_pages+0x1130/0x1130 [ 80.339999] ? mark_held_locks+0xb1/0x100 [ 80.344167] shmem_alloc_and_acct_page+0x165/0x970 [ 80.349128] shmem_getpage_gfp+0x44a/0x3640 [ 80.353626] ? shmem_add_to_page_cache+0xd30/0xd30 [ 80.359134] ? lock_downgrade+0x880/0x880 [ 80.363457] ? kasan_check_read+0x11/0x20 [ 80.367709] shmem_fault+0x233/0x760 [ 80.371558] ? __handle_mm_fault+0x34de/0x3f80 [ 80.376246] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 80.381635] ? lock_downgrade+0x880/0x880 [ 80.386135] __do_fault+0x111/0x480 [ 80.389775] __handle_mm_fault+0x2d78/0x3f80 [ 80.394258] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 80.399115] ? count_memcg_event_mm+0x2b1/0x4d0 [ 80.403992] handle_mm_fault+0x1b5/0x690 [ 80.408086] __do_page_fault+0x62a/0xe90 [ 80.412453] ? vmalloc_fault+0x740/0x740 [ 80.416654] ? trace_hardirqs_off_caller+0x65/0x220 [ 80.421918] ? trace_hardirqs_on_caller+0x6a/0x220 [ 80.426885] do_page_fault+0x71/0x57d [ 80.431039] page_fault+0x1e/0x30 [ 80.434498] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 80.440499] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 80.459842] RSP: 0018:ffff888098b27a18 EFLAGS: 00010206 [ 80.465406] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 80.472830] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff88808bf47f9d [ 80.480552] RBP: ffff888098b27a50 R08: ffffed10117e9000 R09: 0000000000000000 [ 80.487834] R10: ffffed10117e8fff R11: ffff88808bf47fff R12: 0000000020004080 [ 80.495120] R13: ffff88808bf4401d R14: 0000000020008063 R15: 00007ffffffff000 [ 80.502528] ? copyin+0xe2/0x100 [ 80.506079] _copy_from_iter+0x20a/0xb30 [ 80.510169] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 80.515986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 80.521723] ? __check_object_size+0x3d/0x42a [ 80.526232] tls_sw_sendmsg+0x8a9/0x1240 [ 80.530309] ? tls_sw_push_pending_record+0x30/0x30 [ 80.535421] ? proc_fail_nth_write+0x9d/0x1e0 [ 80.540076] inet_sendmsg+0x141/0x5d0 [ 80.543888] ? ipip_gro_receive+0x100/0x100 [ 80.548366] sock_sendmsg+0xd7/0x130 [ 80.552284] __sys_sendto+0x262/0x380 [ 80.556099] ? __ia32_sys_getpeername+0xb0/0xb0 [ 80.560791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.566347] ? __sb_end_write+0xd9/0x110 [ 80.570410] ? vfs_write+0x160/0x560 [ 80.574306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.579854] ? ksys_write+0x1f1/0x2d0 [ 80.583790] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 80.588716] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 80.593496] ? do_syscall_64+0x26/0x620 [ 80.597495] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.603306] __x64_sys_sendto+0xe1/0x1a0 [ 80.607747] do_syscall_64+0xfd/0x620 [ 80.611789] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.617182] RIP: 0033:0x441349 [ 80.620544] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.640111] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 80.647867] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 80.655566] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 80.662851] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 80.670195] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 80.677487] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 80.731891] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 80.743981] FAULT_INJECTION: forcing a failure. [ 80.743981] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 80.755875] CPU: 0 PID: 7514 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 80.762942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.772561] Call Trace: [ 80.775283] dump_stack+0x172/0x1f0 [ 80.779080] should_fail.cold+0xa/0x1b [ 80.782976] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 80.788434] ? __might_sleep+0x95/0x190 [ 80.792686] __alloc_pages_nodemask+0x1ee/0x750 [ 80.797548] ? __alloc_pages_slowpath+0x2870/0x2870 [ 80.802800] ? mark_held_locks+0x100/0x100 [ 80.807047] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 80.812613] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 80.818510] alloc_pages_vma+0xdd/0x590 [ 80.822781] shmem_alloc_page+0xc0/0x180 [ 80.826865] ? shmem_swapin+0x1a0/0x1a0 [ 80.830953] ? filemap_map_pages+0x1130/0x1130 [ 80.835664] ? mark_held_locks+0xb1/0x100 [ 80.839823] shmem_alloc_and_acct_page+0x165/0x970 [ 80.844759] shmem_getpage_gfp+0x44a/0x3640 [ 80.849095] ? shmem_add_to_page_cache+0xd30/0xd30 [ 80.854171] ? lock_downgrade+0x880/0x880 [ 80.858334] ? kasan_check_read+0x11/0x20 [ 80.862628] shmem_fault+0x233/0x760 [ 80.866637] ? __handle_mm_fault+0x34de/0x3f80 [ 80.871225] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 80.876561] ? lock_downgrade+0x880/0x880 [ 80.880895] __do_fault+0x111/0x480 [ 80.884540] __handle_mm_fault+0x2d78/0x3f80 [ 80.889049] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 80.894110] ? count_memcg_event_mm+0x2b1/0x4d0 [ 80.899448] handle_mm_fault+0x1b5/0x690 [ 80.903750] __do_page_fault+0x62a/0xe90 [ 80.907847] ? vmalloc_fault+0x740/0x740 [ 80.912218] ? trace_hardirqs_off_caller+0x65/0x220 [ 80.917391] ? trace_hardirqs_on_caller+0x6a/0x220 [ 80.922537] do_page_fault+0x71/0x57d [ 80.926488] page_fault+0x1e/0x30 [ 80.929960] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 80.936231] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 80.957205] RSP: 0018:ffff888098b27a18 EFLAGS: 00010206 [ 80.962819] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 80.970429] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff88808fca7f9d [ 80.977981] RBP: ffff888098b27a50 R08: ffffed1011f95000 R09: 0000000000000000 [ 80.985726] R10: ffffed1011f94fff R11: ffff88808fca7fff R12: 0000000020004080 [ 80.993453] R13: ffff88808fca401d R14: 0000000020008063 R15: 00007ffffffff000 [ 81.001149] ? copyin+0xe2/0x100 [ 81.005699] _copy_from_iter+0x20a/0xb30 [ 81.010083] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 81.015840] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 81.021390] ? __check_object_size+0x3d/0x42a [ 81.026042] tls_sw_sendmsg+0x8a9/0x1240 [ 81.030117] ? tls_sw_push_pending_record+0x30/0x30 [ 81.035223] ? proc_fail_nth_write+0x9d/0x1e0 [ 81.039747] inet_sendmsg+0x141/0x5d0 [ 81.043766] ? ipip_gro_receive+0x100/0x100 [ 81.048226] sock_sendmsg+0xd7/0x130 [ 81.051946] __sys_sendto+0x262/0x380 [ 81.055760] ? __ia32_sys_getpeername+0xb0/0xb0 [ 81.060687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.066701] ? __sb_end_write+0xd9/0x110 [ 81.070766] ? vfs_write+0x160/0x560 [ 81.074689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.080649] ? ksys_write+0x1f1/0x2d0 [ 81.084727] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 81.089488] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 81.094514] ? do_syscall_64+0x26/0x620 [ 81.098501] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.104633] __x64_sys_sendto+0xe1/0x1a0 [ 81.108784] do_syscall_64+0xfd/0x620 [ 81.112760] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.118057] RIP: 0033:0x441349 [ 81.121288] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.141014] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 81.149152] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 81.156519] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 81.164385] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 81.172063] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 81.179514] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 81.230688] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 81.243504] FAULT_INJECTION: forcing a failure. [ 81.243504] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 81.256089] CPU: 0 PID: 7515 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 81.263247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.272693] Call Trace: [ 81.275474] dump_stack+0x172/0x1f0 [ 81.279389] should_fail.cold+0xa/0x1b [ 81.283690] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 81.288888] ? __might_sleep+0x95/0x190 [ 81.293640] __alloc_pages_nodemask+0x1ee/0x750 [ 81.298730] ? __alloc_pages_slowpath+0x2870/0x2870 [ 81.303894] ? mark_held_locks+0x100/0x100 [ 81.308139] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 81.314997] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 81.320541] alloc_pages_vma+0xdd/0x590 [ 81.324522] shmem_alloc_page+0xc0/0x180 [ 81.328632] ? shmem_swapin+0x1a0/0x1a0 [ 81.332794] ? filemap_map_pages+0x1130/0x1130 [ 81.337678] ? mark_held_locks+0xb1/0x100 [ 81.341826] shmem_alloc_and_acct_page+0x165/0x970 [ 81.346786] shmem_getpage_gfp+0x44a/0x3640 [ 81.351206] ? shmem_add_to_page_cache+0xd30/0xd30 [ 81.356381] ? lock_downgrade+0x880/0x880 [ 81.360903] ? kasan_check_read+0x11/0x20 [ 81.365279] shmem_fault+0x233/0x760 [ 81.369307] ? __handle_mm_fault+0x34de/0x3f80 [ 81.373926] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 81.379290] ? lock_downgrade+0x880/0x880 [ 81.383551] __do_fault+0x111/0x480 [ 81.387225] __handle_mm_fault+0x2d78/0x3f80 [ 81.391811] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 81.396960] ? count_memcg_event_mm+0x2b1/0x4d0 [ 81.401636] handle_mm_fault+0x1b5/0x690 [ 81.406530] __do_page_fault+0x62a/0xe90 [ 81.410642] ? vmalloc_fault+0x740/0x740 [ 81.414847] ? trace_hardirqs_off_caller+0x65/0x220 [ 81.420239] ? trace_hardirqs_on_caller+0x6a/0x220 [ 81.425219] do_page_fault+0x71/0x57d [ 81.429111] page_fault+0x1e/0x30 [ 81.432662] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 81.438627] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 81.458056] RSP: 0018:ffff888098b27a18 EFLAGS: 00010206 [ 81.463656] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 81.471114] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff88808c58ff9d [ 81.478598] RBP: ffff888098b27a50 R08: ffffed10118b2000 R09: 0000000000000000 [ 81.485958] R10: ffffed10118b1fff R11: ffff88808c58ffff R12: 0000000020004080 [ 81.493336] R13: ffff88808c58c01d R14: 0000000020008063 R15: 00007ffffffff000 [ 81.500623] ? copyin+0xe2/0x100 [ 81.504120] _copy_from_iter+0x20a/0xb30 [ 81.508221] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 81.513869] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 81.519403] ? __check_object_size+0x3d/0x42a [ 81.523936] tls_sw_sendmsg+0x8a9/0x1240 [ 81.528089] ? tls_sw_push_pending_record+0x30/0x30 [ 81.533100] ? proc_fail_nth_write+0x9d/0x1e0 [ 81.537596] inet_sendmsg+0x141/0x5d0 [ 81.541391] ? ipip_gro_receive+0x100/0x100 [ 81.545829] sock_sendmsg+0xd7/0x130 [ 81.549616] __sys_sendto+0x262/0x380 [ 81.553421] ? __ia32_sys_getpeername+0xb0/0xb0 [ 81.558087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.563622] ? __sb_end_write+0xd9/0x110 [ 81.567677] ? vfs_write+0x160/0x560 [ 81.571388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.577197] ? ksys_write+0x1f1/0x2d0 [ 81.580999] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 81.586009] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 81.590781] ? do_syscall_64+0x26/0x620 [ 81.594805] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.600355] __x64_sys_sendto+0xe1/0x1a0 [ 81.604425] do_syscall_64+0xfd/0x620 [ 81.608274] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.613470] RIP: 0033:0x441349 [ 81.616764] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.635734] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 81.643605] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 81.651057] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 81.658327] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 81.665591] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 81.672856] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 81.723443] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 81.735694] FAULT_INJECTION: forcing a failure. [ 81.735694] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 81.747609] CPU: 1 PID: 7516 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 81.754562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.763928] Call Trace: [ 81.766727] dump_stack+0x172/0x1f0 [ 81.770365] should_fail.cold+0xa/0x1b [ 81.774256] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 81.779362] ? __might_sleep+0x95/0x190 [ 81.783479] __alloc_pages_nodemask+0x1ee/0x750 [ 81.788147] ? __alloc_pages_slowpath+0x2870/0x2870 [ 81.793162] ? mark_held_locks+0x100/0x100 [ 81.797398] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 81.802933] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 81.808477] alloc_pages_vma+0xdd/0x590 [ 81.812624] shmem_alloc_page+0xc0/0x180 [ 81.816780] ? shmem_swapin+0x1a0/0x1a0 [ 81.820910] ? filemap_map_pages+0x1130/0x1130 [ 81.825483] ? mark_held_locks+0xb1/0x100 [ 81.829684] shmem_alloc_and_acct_page+0x165/0x970 [ 81.834625] shmem_getpage_gfp+0x44a/0x3640 [ 81.838954] ? shmem_add_to_page_cache+0xd30/0xd30 [ 81.843880] ? lock_downgrade+0x880/0x880 [ 81.848048] ? kasan_check_read+0x11/0x20 [ 81.852198] shmem_fault+0x233/0x760 [ 81.855918] ? __handle_mm_fault+0x34de/0x3f80 [ 81.860594] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 81.866176] ? lock_downgrade+0x880/0x880 [ 81.870329] __do_fault+0x111/0x480 [ 81.873969] __handle_mm_fault+0x2d78/0x3f80 [ 81.878386] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 81.883244] ? count_memcg_event_mm+0x2b1/0x4d0 [ 81.888180] handle_mm_fault+0x1b5/0x690 [ 81.892242] __do_page_fault+0x62a/0xe90 [ 81.896613] ? vmalloc_fault+0x740/0x740 [ 81.900680] ? trace_hardirqs_off_caller+0x65/0x220 [ 81.905831] ? trace_hardirqs_on_caller+0x6a/0x220 [ 81.910792] do_page_fault+0x71/0x57d [ 81.914599] page_fault+0x1e/0x30 [ 81.918049] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 81.923934] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 81.943013] RSP: 0018:ffff888098b27a18 EFLAGS: 00010206 [ 81.948378] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 81.955648] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff88808f7cff9d [ 81.962917] RBP: ffff888098b27a50 R08: ffffed1011efa000 R09: 0000000000000000 [ 81.970502] R10: ffffed1011ef9fff R11: ffff88808f7cffff R12: 0000000020004080 [ 81.977931] R13: ffff88808f7cc01d R14: 0000000020008063 R15: 00007ffffffff000 [ 81.985412] ? copyin+0xe2/0x100 [ 81.988784] _copy_from_iter+0x20a/0xb30 [ 81.992863] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 81.998411] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 82.003967] ? __check_object_size+0x3d/0x42a [ 82.008485] tls_sw_sendmsg+0x8a9/0x1240 [ 82.012558] ? tls_sw_push_pending_record+0x30/0x30 [ 82.017572] ? proc_fail_nth_write+0x9d/0x1e0 [ 82.022067] inet_sendmsg+0x141/0x5d0 [ 82.025858] ? ipip_gro_receive+0x100/0x100 [ 82.030178] sock_sendmsg+0xd7/0x130 [ 82.034019] __sys_sendto+0x262/0x380 [ 82.037827] ? __ia32_sys_getpeername+0xb0/0xb0 [ 82.042650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.048211] ? __sb_end_write+0xd9/0x110 [ 82.052281] ? vfs_write+0x160/0x560 [ 82.055998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.061535] ? ksys_write+0x1f1/0x2d0 [ 82.065508] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 82.070306] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 82.075076] ? do_syscall_64+0x26/0x620 [ 82.079298] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.084783] __x64_sys_sendto+0xe1/0x1a0 [ 82.088851] do_syscall_64+0xfd/0x620 [ 82.092655] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.098047] RIP: 0033:0x441349 [ 82.101236] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.120657] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 82.128483] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 82.135921] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 82.143557] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 82.150842] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 82.158116] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 82.208107] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 82.220510] FAULT_INJECTION: forcing a failure. [ 82.220510] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 82.232912] CPU: 0 PID: 7517 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 82.239863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.249637] Call Trace: [ 82.252380] dump_stack+0x172/0x1f0 [ 82.256340] should_fail.cold+0xa/0x1b [ 82.260598] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 82.266296] ? __might_sleep+0x95/0x190 [ 82.270381] __alloc_pages_nodemask+0x1ee/0x750 [ 82.275387] ? __alloc_pages_slowpath+0x2870/0x2870 [ 82.280609] ? mark_held_locks+0x100/0x100 [ 82.290153] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 82.295789] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 82.302080] alloc_pages_vma+0xdd/0x590 [ 82.306392] shmem_alloc_page+0xc0/0x180 [ 82.310734] ? shmem_swapin+0x1a0/0x1a0 [ 82.314740] ? filemap_map_pages+0x1130/0x1130 [ 82.319324] ? mark_held_locks+0xb1/0x100 [ 82.323479] shmem_alloc_and_acct_page+0x165/0x970 [ 82.328672] shmem_getpage_gfp+0x44a/0x3640 [ 82.333000] ? shmem_add_to_page_cache+0xd30/0xd30 [ 82.337992] ? lock_downgrade+0x880/0x880 [ 82.342159] ? kasan_check_read+0x11/0x20 [ 82.346306] shmem_fault+0x233/0x760 [ 82.350157] ? __handle_mm_fault+0x34de/0x3f80 [ 82.354739] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 82.360016] ? lock_downgrade+0x880/0x880 [ 82.364333] __do_fault+0x111/0x480 [ 82.368055] __handle_mm_fault+0x2d78/0x3f80 [ 82.372460] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 82.377308] ? count_memcg_event_mm+0x2b1/0x4d0 [ 82.382138] handle_mm_fault+0x1b5/0x690 [ 82.386217] __do_page_fault+0x62a/0xe90 [ 82.390289] ? vmalloc_fault+0x740/0x740 [ 82.394354] ? trace_hardirqs_off_caller+0x65/0x220 [ 82.399370] ? trace_hardirqs_on_caller+0x6a/0x220 [ 82.404394] do_page_fault+0x71/0x57d [ 82.408195] page_fault+0x1e/0x30 [ 82.411646] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 82.417691] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 82.437591] RSP: 0018:ffff8880a94a7a18 EFLAGS: 00010206 [ 82.443081] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 82.450351] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff88808b947f9d [ 82.457912] RBP: ffff8880a94a7a50 R08: ffffed1011729000 R09: 0000000000000000 [ 82.465343] R10: ffffed1011728fff R11: ffff88808b947fff R12: 0000000020004080 [ 82.472617] R13: ffff88808b94401d R14: 0000000020008063 R15: 00007ffffffff000 [ 82.480027] ? copyin+0xe2/0x100 [ 82.483395] _copy_from_iter+0x20a/0xb30 [ 82.487638] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 82.493180] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 82.498811] ? __check_object_size+0x3d/0x42a [ 82.503348] tls_sw_sendmsg+0x8a9/0x1240 [ 82.507430] ? tls_sw_push_pending_record+0x30/0x30 [ 82.512445] ? proc_fail_nth_write+0x9d/0x1e0 [ 82.516947] inet_sendmsg+0x141/0x5d0 [ 82.520764] ? ipip_gro_receive+0x100/0x100 [ 82.525096] sock_sendmsg+0xd7/0x130 [ 82.528820] __sys_sendto+0x262/0x380 [ 82.532633] ? __ia32_sys_getpeername+0xb0/0xb0 [ 82.537499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.543040] ? __sb_end_write+0xd9/0x110 [ 82.547201] ? vfs_write+0x160/0x560 [ 82.551057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.556646] ? ksys_write+0x1f1/0x2d0 [ 82.560447] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 82.565280] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 82.570040] ? do_syscall_64+0x26/0x620 [ 82.574011] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.579514] __x64_sys_sendto+0xe1/0x1a0 [ 82.583589] do_syscall_64+0xfd/0x620 [ 82.587408] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.592593] RIP: 0033:0x441349 [ 82.595781] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.614800] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 82.622514] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 82.629792] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 82.637058] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 82.644383] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 82.651802] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 82.699361] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 82.711455] FAULT_INJECTION: forcing a failure. [ 82.711455] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 82.723351] CPU: 1 PID: 7518 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 82.730381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.739820] Call Trace: [ 82.742407] dump_stack+0x172/0x1f0 [ 82.746219] should_fail.cold+0xa/0x1b [ 82.750107] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 82.755209] ? __might_sleep+0x95/0x190 [ 82.759185] __alloc_pages_nodemask+0x1ee/0x750 [ 82.764027] ? __alloc_pages_slowpath+0x2870/0x2870 [ 82.769057] ? mark_held_locks+0x100/0x100 [ 82.773417] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 82.778952] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 82.784837] alloc_pages_vma+0xdd/0x590 [ 82.788818] shmem_alloc_page+0xc0/0x180 [ 82.792917] ? shmem_swapin+0x1a0/0x1a0 [ 82.796913] ? filemap_map_pages+0x1130/0x1130 [ 82.801578] ? mark_held_locks+0xb1/0x100 [ 82.805942] shmem_alloc_and_acct_page+0x165/0x970 [ 82.811115] shmem_getpage_gfp+0x44a/0x3640 [ 82.815708] ? shmem_add_to_page_cache+0xd30/0xd30 [ 82.820680] ? lock_downgrade+0x880/0x880 [ 82.824834] ? kasan_check_read+0x11/0x20 [ 82.829014] shmem_fault+0x233/0x760 [ 82.832991] ? __handle_mm_fault+0x34de/0x3f80 [ 82.837824] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 82.843261] ? lock_downgrade+0x880/0x880 [ 82.847610] __do_fault+0x111/0x480 [ 82.851698] __handle_mm_fault+0x2d78/0x3f80 [ 82.856214] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 82.861312] ? count_memcg_event_mm+0x2b1/0x4d0 [ 82.866108] handle_mm_fault+0x1b5/0x690 [ 82.870211] __do_page_fault+0x62a/0xe90 [ 82.874310] ? vmalloc_fault+0x740/0x740 [ 82.878549] ? trace_hardirqs_off_caller+0x65/0x220 [ 82.883671] ? trace_hardirqs_on_caller+0x6a/0x220 [ 82.888610] do_page_fault+0x71/0x57d [ 82.892812] page_fault+0x1e/0x30 [ 82.896435] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 82.902588] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 82.922131] RSP: 0018:ffff8880a94a7a18 EFLAGS: 00010206 [ 82.927835] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000001063 [ 82.935169] RDX: 0000000000003fe3 RSI: 0000000020007000 RDI: ffff88808d536f9d [ 82.942554] RBP: ffff8880a94a7a50 R08: ffffed1011aa7000 R09: 0000000000000000 [ 82.950529] R10: ffffed1011aa6fff R11: ffff88808d537fff R12: 0000000020004080 [ 82.958212] R13: ffff88808d53401d R14: 0000000020008063 R15: 00007ffffffff000 [ 82.965749] ? copyin+0xe2/0x100 [ 82.969122] _copy_from_iter+0x20a/0xb30 [ 82.973448] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 82.978986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 82.984650] ? __check_object_size+0x3d/0x42a [ 82.989489] tls_sw_sendmsg+0x8a9/0x1240 [ 82.993663] ? tls_sw_push_pending_record+0x30/0x30 [ 82.998680] ? proc_fail_nth_write+0x9d/0x1e0 [ 83.003211] inet_sendmsg+0x141/0x5d0 [ 83.007055] ? ipip_gro_receive+0x100/0x100 [ 83.011368] sock_sendmsg+0xd7/0x130 [ 83.015091] __sys_sendto+0x262/0x380 [ 83.018901] ? __ia32_sys_getpeername+0xb0/0xb0 [ 83.023569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.029106] ? __sb_end_write+0xd9/0x110 [ 83.033727] ? vfs_write+0x160/0x560 [ 83.037440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.043001] ? ksys_write+0x1f1/0x2d0 [ 83.046825] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.051595] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.056658] ? do_syscall_64+0x26/0x620 [ 83.060802] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.067117] __x64_sys_sendto+0xe1/0x1a0 [ 83.071433] do_syscall_64+0xfd/0x620 [ 83.075237] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.080426] RIP: 0033:0x441349 [ 83.083620] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.103084] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 83.110797] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 83.118273] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 83.125764] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 83.133242] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 83.140843] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 83.189119] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 83.200980] FAULT_INJECTION: forcing a failure. [ 83.200980] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 83.213308] CPU: 1 PID: 7519 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 83.220255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.229607] Call Trace: [ 83.232195] dump_stack+0x172/0x1f0 [ 83.236075] should_fail.cold+0xa/0x1b [ 83.240135] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 83.245335] ? __might_sleep+0x95/0x190 [ 83.249445] __alloc_pages_nodemask+0x1ee/0x750 [ 83.254113] ? __alloc_pages_slowpath+0x2870/0x2870 [ 83.259127] ? mark_held_locks+0x100/0x100 [ 83.263370] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 83.268905] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 83.274526] alloc_pages_vma+0xdd/0x590 [ 83.278499] shmem_alloc_page+0xc0/0x180 [ 83.282566] ? shmem_swapin+0x1a0/0x1a0 [ 83.286753] ? filemap_map_pages+0x1130/0x1130 [ 83.291345] ? mark_held_locks+0xb1/0x100 [ 83.295644] shmem_alloc_and_acct_page+0x165/0x970 [ 83.300601] shmem_getpage_gfp+0x44a/0x3640 [ 83.305370] ? shmem_add_to_page_cache+0xd30/0xd30 [ 83.310471] ? lock_downgrade+0x880/0x880 [ 83.314923] ? kasan_check_read+0x11/0x20 [ 83.320145] shmem_fault+0x233/0x760 [ 83.323874] ? __handle_mm_fault+0x34de/0x3f80 [ 83.328482] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 83.333781] ? lock_downgrade+0x880/0x880 [ 83.337947] __do_fault+0x111/0x480 [ 83.341841] __handle_mm_fault+0x2d78/0x3f80 [ 83.346391] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 83.351242] ? count_memcg_event_mm+0x2b1/0x4d0 [ 83.355915] handle_mm_fault+0x1b5/0x690 [ 83.360070] __do_page_fault+0x62a/0xe90 [ 83.364145] ? vmalloc_fault+0x740/0x740 [ 83.368204] ? trace_hardirqs_off_caller+0x65/0x220 [ 83.373396] ? trace_hardirqs_on_caller+0x6a/0x220 [ 83.378328] do_page_fault+0x71/0x57d [ 83.382131] page_fault+0x1e/0x30 [ 83.385728] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 83.391613] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 83.410751] RSP: 0018:ffff8880a94a7a18 EFLAGS: 00010206 [ 83.416120] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 83.423556] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff88808d767f9d [ 83.430834] RBP: ffff8880a94a7a50 R08: ffffed1011aed000 R09: 0000000000000000 [ 83.438194] R10: ffffed1011aecfff R11: ffff88808d767fff R12: 0000000020004080 [ 83.445472] R13: ffff88808d76401d R14: 0000000020008063 R15: 00007ffffffff000 [ 83.452897] ? copyin+0xe2/0x100 [ 83.456429] _copy_from_iter+0x20a/0xb30 [ 83.460690] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 83.466469] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 83.472190] ? __check_object_size+0x3d/0x42a [ 83.476783] tls_sw_sendmsg+0x8a9/0x1240 [ 83.480885] ? tls_sw_push_pending_record+0x30/0x30 [ 83.485916] ? proc_fail_nth_write+0x9d/0x1e0 [ 83.490432] inet_sendmsg+0x141/0x5d0 [ 83.494328] ? ipip_gro_receive+0x100/0x100 [ 83.498656] sock_sendmsg+0xd7/0x130 [ 83.502556] __sys_sendto+0x262/0x380 [ 83.506403] ? __ia32_sys_getpeername+0xb0/0xb0 [ 83.511082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.516637] ? __sb_end_write+0xd9/0x110 [ 83.520694] ? vfs_write+0x160/0x560 [ 83.524465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.530116] ? ksys_write+0x1f1/0x2d0 [ 83.533929] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.538682] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.543435] ? do_syscall_64+0x26/0x620 [ 83.547413] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.553050] __x64_sys_sendto+0xe1/0x1a0 [ 83.557130] do_syscall_64+0xfd/0x620 [ 83.561035] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.566263] RIP: 0033:0x441349 [ 83.569522] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.588470] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 83.596227] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 83.603624] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 83.611049] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 83.618322] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 83.625904] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 83.672839] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 83.685059] FAULT_INJECTION: forcing a failure. [ 83.685059] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 83.697603] CPU: 0 PID: 7520 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 83.704668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.714154] Call Trace: [ 83.716751] dump_stack+0x172/0x1f0 [ 83.720386] should_fail.cold+0xa/0x1b [ 83.724309] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 83.729416] ? __might_sleep+0x95/0x190 [ 83.733390] __alloc_pages_nodemask+0x1ee/0x750 [ 83.738114] ? __alloc_pages_slowpath+0x2870/0x2870 [ 83.743558] ? mark_held_locks+0x100/0x100 [ 83.747807] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 83.753344] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 83.758890] alloc_pages_vma+0xdd/0x590 [ 83.762880] shmem_alloc_page+0xc0/0x180 [ 83.766937] ? shmem_swapin+0x1a0/0x1a0 [ 83.770926] ? filemap_map_pages+0x1130/0x1130 [ 83.775503] ? mark_held_locks+0xb1/0x100 [ 83.779657] shmem_alloc_and_acct_page+0x165/0x970 [ 83.784671] shmem_getpage_gfp+0x44a/0x3640 [ 83.789000] ? shmem_add_to_page_cache+0xd30/0xd30 [ 83.794017] ? lock_downgrade+0x880/0x880 [ 83.798205] ? kasan_check_read+0x11/0x20 [ 83.802367] shmem_fault+0x233/0x760 [ 83.806086] ? __handle_mm_fault+0x34de/0x3f80 [ 83.810828] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 83.816105] ? lock_downgrade+0x880/0x880 [ 83.820252] __do_fault+0x111/0x480 [ 83.823916] __handle_mm_fault+0x2d78/0x3f80 [ 83.828324] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 83.833170] ? count_memcg_event_mm+0x2b1/0x4d0 [ 83.837930] handle_mm_fault+0x1b5/0x690 [ 83.842000] __do_page_fault+0x62a/0xe90 [ 83.846057] ? vmalloc_fault+0x740/0x740 [ 83.850113] ? trace_hardirqs_off_caller+0x65/0x220 [ 83.855121] ? trace_hardirqs_on_caller+0x6a/0x220 [ 83.860051] do_page_fault+0x71/0x57d [ 83.864006] page_fault+0x1e/0x30 [ 83.867536] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 83.873421] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 83.892587] RSP: 0018:ffff8880a94a7a18 EFLAGS: 00010206 [ 83.897953] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000001063 [ 83.905221] RDX: 0000000000003fe3 RSI: 0000000020007000 RDI: ffff8880a9adef9d [ 83.912487] RBP: ffff8880a94a7a50 R08: ffffed101535c000 R09: 0000000000000000 [ 83.919966] R10: ffffed101535bfff R11: ffff8880a9adffff R12: 0000000020004080 [ 83.927237] R13: ffff8880a9adc01d R14: 0000000020008063 R15: 00007ffffffff000 [ 83.934530] ? copyin+0xe2/0x100 [ 83.937901] _copy_from_iter+0x20a/0xb30 [ 83.942146] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 83.947699] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 83.953263] ? __check_object_size+0x3d/0x42a [ 83.958296] tls_sw_sendmsg+0x8a9/0x1240 [ 83.962478] ? tls_sw_push_pending_record+0x30/0x30 [ 83.967613] ? proc_fail_nth_write+0x9d/0x1e0 [ 83.972112] inet_sendmsg+0x141/0x5d0 [ 83.975909] ? ipip_gro_receive+0x100/0x100 [ 83.980244] sock_sendmsg+0xd7/0x130 [ 83.984158] __sys_sendto+0x262/0x380 [ 83.988051] ? __ia32_sys_getpeername+0xb0/0xb0 [ 83.992913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.998461] ? __sb_end_write+0xd9/0x110 [ 84.002608] ? vfs_write+0x160/0x560 [ 84.006329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.011908] ? ksys_write+0x1f1/0x2d0 [ 84.015707] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 84.020468] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 84.025224] ? do_syscall_64+0x26/0x620 [ 84.029195] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.034598] __x64_sys_sendto+0xe1/0x1a0 [ 84.038660] do_syscall_64+0xfd/0x620 [ 84.042458] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.047649] RIP: 0033:0x441349 [ 84.050838] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 84.069863] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 84.077570] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 84.084838] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 84.092190] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 84.099456] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 84.107049] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 84.154660] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 84.166859] FAULT_INJECTION: forcing a failure. [ 84.166859] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 84.179006] CPU: 1 PID: 7521 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 84.185932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.195311] Call Trace: [ 84.197899] dump_stack+0x172/0x1f0 [ 84.201537] should_fail.cold+0xa/0x1b [ 84.205626] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 84.210918] ? __might_sleep+0x95/0x190 [ 84.214900] __alloc_pages_nodemask+0x1ee/0x750 [ 84.219580] ? __alloc_pages_slowpath+0x2870/0x2870 [ 84.224603] ? mark_held_locks+0x100/0x100 [ 84.228985] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 84.234687] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 84.240290] alloc_pages_vma+0xdd/0x590 [ 84.244456] shmem_alloc_page+0xc0/0x180 [ 84.248690] ? shmem_swapin+0x1a0/0x1a0 [ 84.252682] ? filemap_map_pages+0x1130/0x1130 [ 84.257290] ? mark_held_locks+0xb1/0x100 [ 84.261439] shmem_alloc_and_acct_page+0x165/0x970 [ 84.266528] shmem_getpage_gfp+0x44a/0x3640 [ 84.271353] ? shmem_add_to_page_cache+0xd30/0xd30 [ 84.276434] ? lock_downgrade+0x880/0x880 [ 84.280680] ? kasan_check_read+0x11/0x20 [ 84.284837] shmem_fault+0x233/0x760 [ 84.288565] ? __handle_mm_fault+0x34de/0x3f80 [ 84.293200] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 84.298566] ? lock_downgrade+0x880/0x880 [ 84.302811] __do_fault+0x111/0x480 [ 84.306439] __handle_mm_fault+0x2d78/0x3f80 [ 84.310859] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 84.315709] ? count_memcg_event_mm+0x2b1/0x4d0 [ 84.320380] handle_mm_fault+0x1b5/0x690 [ 84.324451] __do_page_fault+0x62a/0xe90 [ 84.328512] ? vmalloc_fault+0x740/0x740 [ 84.332572] ? trace_hardirqs_off_caller+0x65/0x220 [ 84.337580] ? trace_hardirqs_on_caller+0x6a/0x220 [ 84.342569] do_page_fault+0x71/0x57d [ 84.346372] page_fault+0x1e/0x30 [ 84.349894] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 84.355775] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 84.374739] RSP: 0018:ffff8880a552fa18 EFLAGS: 00010206 [ 84.380106] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 84.387537] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff8880a7f17f9d [ 84.394806] RBP: ffff8880a552fa50 R08: ffffed1014fe3000 R09: 0000000000000000 [ 84.402128] R10: ffffed1014fe2fff R11: ffff8880a7f17fff R12: 0000000020004080 [ 84.409883] R13: ffff8880a7f1401d R14: 0000000020008063 R15: 00007ffffffff000 [ 84.417259] ? copyin+0xe2/0x100 [ 84.420627] _copy_from_iter+0x20a/0xb30 [ 84.424687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 84.430429] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 84.436182] ? __check_object_size+0x3d/0x42a [ 84.440782] tls_sw_sendmsg+0x8a9/0x1240 [ 84.444855] ? tls_sw_push_pending_record+0x30/0x30 [ 84.450030] ? proc_fail_nth_write+0x9d/0x1e0 [ 84.454737] inet_sendmsg+0x141/0x5d0 [ 84.458662] ? ipip_gro_receive+0x100/0x100 [ 84.463188] sock_sendmsg+0xd7/0x130 [ 84.466908] __sys_sendto+0x262/0x380 [ 84.470710] ? __ia32_sys_getpeername+0xb0/0xb0 [ 84.475475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.481141] ? __sb_end_write+0xd9/0x110 [ 84.485415] ? vfs_write+0x160/0x560 [ 84.489384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.495163] ? ksys_write+0x1f1/0x2d0 [ 84.498972] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 84.503727] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 84.508491] ? do_syscall_64+0x26/0x620 [ 84.512468] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.517851] __x64_sys_sendto+0xe1/0x1a0 [ 84.522009] do_syscall_64+0xfd/0x620 [ 84.525812] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.530998] RIP: 0033:0x441349 [ 84.534187] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.553299] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 84.561016] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 84.568419] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 84.575686] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 84.583132] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 84.590440] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 84.639372] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 84.651238] FAULT_INJECTION: forcing a failure. [ 84.651238] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 84.663222] CPU: 0 PID: 7522 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 84.670197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.679562] Call Trace: [ 84.682157] dump_stack+0x172/0x1f0 [ 84.685789] should_fail.cold+0xa/0x1b [ 84.689674] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 84.694790] ? __might_sleep+0x95/0x190 [ 84.698767] __alloc_pages_nodemask+0x1ee/0x750 [ 84.703643] ? __alloc_pages_slowpath+0x2870/0x2870 [ 84.708869] ? mark_held_locks+0x100/0x100 [ 84.713106] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 84.719029] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 84.724819] alloc_pages_vma+0xdd/0x590 [ 84.728845] shmem_alloc_page+0xc0/0x180 [ 84.733102] ? shmem_swapin+0x1a0/0x1a0 [ 84.737108] ? filemap_map_pages+0x1130/0x1130 [ 84.742156] ? mark_held_locks+0xb1/0x100 [ 84.746863] shmem_alloc_and_acct_page+0x165/0x970 [ 84.751851] shmem_getpage_gfp+0x44a/0x3640 [ 84.756362] ? shmem_add_to_page_cache+0xd30/0xd30 [ 84.761368] ? lock_downgrade+0x880/0x880 [ 84.765712] ? kasan_check_read+0x11/0x20 [ 84.770826] shmem_fault+0x233/0x760 [ 84.774893] ? __handle_mm_fault+0x34de/0x3f80 [ 84.779703] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 84.784990] ? lock_downgrade+0x880/0x880 [ 84.789150] __do_fault+0x111/0x480 [ 84.793395] __handle_mm_fault+0x2d78/0x3f80 [ 84.797907] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 84.803026] ? count_memcg_event_mm+0x2b1/0x4d0 [ 84.807910] handle_mm_fault+0x1b5/0x690 [ 84.812073] __do_page_fault+0x62a/0xe90 [ 84.816261] ? vmalloc_fault+0x740/0x740 [ 84.820366] ? trace_hardirqs_off_caller+0x65/0x220 [ 84.825557] ? trace_hardirqs_on_caller+0x6a/0x220 [ 84.830797] do_page_fault+0x71/0x57d [ 84.834837] page_fault+0x1e/0x30 [ 84.838396] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 84.844290] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 84.863413] RSP: 0018:ffff8880a552fa18 EFLAGS: 00010206 [ 84.869473] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000001063 [ 84.876816] RDX: 0000000000003fe3 RSI: 0000000020007000 RDI: ffff8880a8d8ef9d [ 84.884093] RBP: ffff8880a552fa50 R08: ffffed10151b2000 R09: 0000000000000000 [ 84.891482] R10: ffffed10151b1fff R11: ffff8880a8d8ffff R12: 0000000020004080 [ 84.899303] R13: ffff8880a8d8c01d R14: 0000000020008063 R15: 00007ffffffff000 [ 84.906599] ? copyin+0xe2/0x100 [ 84.909974] _copy_from_iter+0x20a/0xb30 [ 84.914341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 84.920571] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 84.926893] ? __check_object_size+0x3d/0x42a [ 84.932496] tls_sw_sendmsg+0x8a9/0x1240 [ 84.936977] ? tls_sw_push_pending_record+0x30/0x30 [ 84.942211] ? proc_fail_nth_write+0x9d/0x1e0 [ 84.946905] inet_sendmsg+0x141/0x5d0 [ 84.951831] ? ipip_gro_receive+0x100/0x100 [ 84.956158] sock_sendmsg+0xd7/0x130 [ 84.959975] __sys_sendto+0x262/0x380 [ 84.964419] ? __ia32_sys_getpeername+0xb0/0xb0 [ 84.969607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.975352] ? __sb_end_write+0xd9/0x110 [ 84.979510] ? vfs_write+0x160/0x560 [ 84.983287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.988825] ? ksys_write+0x1f1/0x2d0 [ 84.992736] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 84.997580] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.002561] ? do_syscall_64+0x26/0x620 [ 85.006984] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.012633] __x64_sys_sendto+0xe1/0x1a0 [ 85.018009] do_syscall_64+0xfd/0x620 [ 85.022393] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.027585] RIP: 0033:0x441349 [ 85.030774] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.049806] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 85.058595] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 85.066414] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 85.073864] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 85.081430] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 85.088701] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 85.139997] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 85.152491] FAULT_INJECTION: forcing a failure. [ 85.152491] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 85.165698] CPU: 0 PID: 7523 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 85.173278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.183194] Call Trace: [ 85.185832] dump_stack+0x172/0x1f0 [ 85.189661] should_fail.cold+0xa/0x1b [ 85.193911] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 85.199200] ? __might_sleep+0x95/0x190 [ 85.203197] __alloc_pages_nodemask+0x1ee/0x750 [ 85.207876] ? __alloc_pages_slowpath+0x2870/0x2870 [ 85.253196] ? mark_held_locks+0x100/0x100 [ 85.257583] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 85.263569] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 85.273475] alloc_pages_vma+0xdd/0x590 [ 85.277638] shmem_alloc_page+0xc0/0x180 [ 85.291797] ? shmem_swapin+0x1a0/0x1a0 [ 85.296103] ? filemap_map_pages+0x1130/0x1130 [ 85.300852] ? mark_held_locks+0xb1/0x100 [ 85.305287] shmem_alloc_and_acct_page+0x165/0x970 [ 85.310509] shmem_getpage_gfp+0x44a/0x3640 [ 85.315075] ? shmem_add_to_page_cache+0xd30/0xd30 [ 85.320015] ? lock_downgrade+0x880/0x880 [ 85.324167] ? kasan_check_read+0x11/0x20 [ 85.328360] shmem_fault+0x233/0x760 [ 85.332197] ? __handle_mm_fault+0x34de/0x3f80 [ 85.336947] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 85.342400] ? lock_downgrade+0x880/0x880 [ 85.346885] __do_fault+0x111/0x480 [ 85.350627] __handle_mm_fault+0x2d78/0x3f80 [ 85.355054] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 85.360617] ? count_memcg_event_mm+0x2b1/0x4d0 [ 85.365495] handle_mm_fault+0x1b5/0x690 [ 85.369855] __do_page_fault+0x62a/0xe90 [ 85.374374] ? vmalloc_fault+0x740/0x740 [ 85.378753] ? trace_hardirqs_off_caller+0x65/0x220 [ 85.383901] ? trace_hardirqs_on_caller+0x6a/0x220 [ 85.389433] do_page_fault+0x71/0x57d [ 85.393406] page_fault+0x1e/0x30 [ 85.396884] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 85.402829] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 85.422700] RSP: 0018:ffff8880a5bffa18 EFLAGS: 00010206 [ 85.428386] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 85.435954] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff8880a819ff9d [ 85.443831] RBP: ffff8880a5bffa50 R08: ffffed1015034000 R09: 0000000000000000 [ 85.451837] R10: ffffed1015033fff R11: ffff8880a819ffff R12: 0000000020004080 [ 85.459304] R13: ffff8880a819c01d R14: 0000000020008063 R15: 00007ffffffff000 [ 85.466780] ? copyin+0xe2/0x100 [ 85.470161] _copy_from_iter+0x20a/0xb30 [ 85.474337] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.480066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.485607] ? __check_object_size+0x3d/0x42a [ 85.490131] tls_sw_sendmsg+0x8a9/0x1240 [ 85.494204] ? tls_sw_push_pending_record+0x30/0x30 [ 85.499265] ? proc_fail_nth_write+0x9d/0x1e0 [ 85.503831] inet_sendmsg+0x141/0x5d0 [ 85.507633] ? ipip_gro_receive+0x100/0x100 [ 85.511953] sock_sendmsg+0xd7/0x130 [ 85.515667] __sys_sendto+0x262/0x380 [ 85.519464] ? __ia32_sys_getpeername+0xb0/0xb0 [ 85.524132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.529669] ? __sb_end_write+0xd9/0x110 [ 85.533891] ? vfs_write+0x160/0x560 [ 85.537609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.543337] ? ksys_write+0x1f1/0x2d0 [ 85.547143] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.552095] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.556890] ? do_syscall_64+0x26/0x620 [ 85.561384] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.566762] __x64_sys_sendto+0xe1/0x1a0 [ 85.570835] do_syscall_64+0xfd/0x620 [ 85.574645] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.579833] RIP: 0033:0x441349 [ 85.583019] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.601926] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 85.609648] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 85.616920] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 85.624191] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 85.631567] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 85.638850] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 85.687756] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 85.699844] FAULT_INJECTION: forcing a failure. [ 85.699844] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 85.711994] CPU: 1 PID: 7524 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 85.719057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.728408] Call Trace: [ 85.731056] dump_stack+0x172/0x1f0 [ 85.734770] should_fail.cold+0xa/0x1b [ 85.738668] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 85.743860] ? __might_sleep+0x95/0x190 [ 85.747868] __alloc_pages_nodemask+0x1ee/0x750 [ 85.752706] ? __alloc_pages_slowpath+0x2870/0x2870 [ 85.757772] ? mark_held_locks+0x100/0x100 [ 85.762090] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 85.767856] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 85.773478] alloc_pages_vma+0xdd/0x590 [ 85.777517] shmem_alloc_page+0xc0/0x180 [ 85.781594] ? shmem_swapin+0x1a0/0x1a0 [ 85.785786] ? filemap_map_pages+0x1130/0x1130 [ 85.790550] ? mark_held_locks+0xb1/0x100 [ 85.794701] shmem_alloc_and_acct_page+0x165/0x970 [ 85.799740] shmem_getpage_gfp+0x44a/0x3640 [ 85.804092] ? shmem_add_to_page_cache+0xd30/0xd30 [ 85.809027] ? lock_downgrade+0x880/0x880 [ 85.813201] ? kasan_check_read+0x11/0x20 [ 85.817344] shmem_fault+0x233/0x760 [ 85.821049] ? __handle_mm_fault+0x34de/0x3f80 [ 85.825630] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 85.830900] ? lock_downgrade+0x880/0x880 [ 85.835303] __do_fault+0x111/0x480 [ 85.839279] __handle_mm_fault+0x2d78/0x3f80 [ 85.843686] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 85.848535] ? count_memcg_event_mm+0x2b1/0x4d0 [ 85.853363] handle_mm_fault+0x1b5/0x690 [ 85.857421] __do_page_fault+0x62a/0xe90 [ 85.861481] ? vmalloc_fault+0x740/0x740 [ 85.865710] ? trace_hardirqs_off_caller+0x65/0x220 [ 85.870715] ? trace_hardirqs_on_caller+0x6a/0x220 [ 85.875638] do_page_fault+0x71/0x57d [ 85.879514] page_fault+0x1e/0x30 [ 85.882954] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 85.888829] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 85.907722] RSP: 0018:ffff8880a5bffa18 EFLAGS: 00010206 [ 85.913072] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 85.920325] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff888082847f9d [ 85.927619] RBP: ffff8880a5bffa50 R08: ffffed1010509000 R09: 0000000000000000 [ 85.934872] R10: ffffed1010508fff R11: ffff888082847fff R12: 0000000020004080 [ 85.942130] R13: ffff88808284401d R14: 0000000020008063 R15: 00007ffffffff000 [ 85.949403] ? copyin+0xe2/0x100 [ 85.952799] _copy_from_iter+0x20a/0xb30 [ 85.956872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.962481] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.968005] ? __check_object_size+0x3d/0x42a [ 85.972488] tls_sw_sendmsg+0x8a9/0x1240 [ 85.976542] ? tls_sw_push_pending_record+0x30/0x30 [ 85.981545] ? proc_fail_nth_write+0x9d/0x1e0 [ 85.986036] inet_sendmsg+0x141/0x5d0 [ 85.989839] ? ipip_gro_receive+0x100/0x100 [ 85.994318] sock_sendmsg+0xd7/0x130 [ 85.998029] __sys_sendto+0x262/0x380 [ 86.001828] ? __ia32_sys_getpeername+0xb0/0xb0 [ 86.006500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.012024] ? __sb_end_write+0xd9/0x110 [ 86.016084] ? vfs_write+0x160/0x560 [ 86.019785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.025304] ? ksys_write+0x1f1/0x2d0 [ 86.029094] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 86.033843] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 86.038586] ? do_syscall_64+0x26/0x620 [ 86.043325] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.048698] __x64_sys_sendto+0xe1/0x1a0 [ 86.052759] do_syscall_64+0xfd/0x620 [ 86.056669] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.061856] RIP: 0033:0x441349 [ 86.065053] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 86.084072] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 86.091772] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 86.099039] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 86.106302] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 86.113562] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 86.120821] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 86.167346] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 86.179317] FAULT_INJECTION: forcing a failure. [ 86.179317] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 86.191452] CPU: 0 PID: 7525 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 86.198376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.207721] Call Trace: [ 86.210300] dump_stack+0x172/0x1f0 [ 86.213914] should_fail.cold+0xa/0x1b [ 86.217797] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 86.222886] ? __might_sleep+0x95/0x190 [ 86.226850] __alloc_pages_nodemask+0x1ee/0x750 [ 86.231517] ? __alloc_pages_slowpath+0x2870/0x2870 [ 86.236521] ? mark_held_locks+0x100/0x100 [ 86.240738] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 86.246259] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 86.251787] alloc_pages_vma+0xdd/0x590 [ 86.255765] shmem_alloc_page+0xc0/0x180 [ 86.259830] ? shmem_swapin+0x1a0/0x1a0 [ 86.263816] ? filemap_map_pages+0x1130/0x1130 [ 86.268395] ? mark_held_locks+0xb1/0x100 [ 86.272632] shmem_alloc_and_acct_page+0x165/0x970 [ 86.277918] shmem_getpage_gfp+0x44a/0x3640 [ 86.282253] ? shmem_add_to_page_cache+0xd30/0xd30 [ 86.287224] ? lock_downgrade+0x880/0x880 [ 86.291544] ? kasan_check_read+0x11/0x20 [ 86.295681] shmem_fault+0x233/0x760 [ 86.299385] ? __handle_mm_fault+0x34de/0x3f80 [ 86.303966] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 86.309239] ? lock_downgrade+0x880/0x880 [ 86.313375] __do_fault+0x111/0x480 [ 86.316989] __handle_mm_fault+0x2d78/0x3f80 [ 86.321385] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 86.326219] ? count_memcg_event_mm+0x2b1/0x4d0 [ 86.330873] handle_mm_fault+0x1b5/0x690 [ 86.336051] __do_page_fault+0x62a/0xe90 [ 86.340102] ? vmalloc_fault+0x740/0x740 [ 86.344156] ? trace_hardirqs_off_caller+0x65/0x220 [ 86.349165] ? trace_hardirqs_on_caller+0x6a/0x220 [ 86.354082] do_page_fault+0x71/0x57d [ 86.357869] page_fault+0x1e/0x30 [ 86.361308] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 86.367173] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 86.386057] RSP: 0018:ffff88808772fa18 EFLAGS: 00010206 [ 86.391407] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 86.398748] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff88808bfa7f9d [ 86.406003] RBP: ffff88808772fa50 R08: ffffed10117f5000 R09: 0000000000000000 [ 86.413260] R10: ffffed10117f4fff R11: ffff88808bfa7fff R12: 0000000020004080 [ 86.420515] R13: ffff88808bfa401d R14: 0000000020008063 R15: 00007ffffffff000 [ 86.427789] ? copyin+0xe2/0x100 [ 86.431148] _copy_from_iter+0x20a/0xb30 [ 86.435284] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 86.440805] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 86.446329] ? __check_object_size+0x3d/0x42a [ 86.450811] tls_sw_sendmsg+0x8a9/0x1240 [ 86.454866] ? tls_sw_push_pending_record+0x30/0x30 [ 86.459878] ? proc_fail_nth_write+0x9d/0x1e0 [ 86.464369] inet_sendmsg+0x141/0x5d0 [ 86.468167] ? ipip_gro_receive+0x100/0x100 [ 86.472483] sock_sendmsg+0xd7/0x130 [ 86.476305] __sys_sendto+0x262/0x380 [ 86.480101] ? __ia32_sys_getpeername+0xb0/0xb0 [ 86.484766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.490299] ? __sb_end_write+0xd9/0x110 [ 86.494349] ? vfs_write+0x160/0x560 [ 86.498054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.503688] ? ksys_write+0x1f1/0x2d0 [ 86.507500] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 86.512253] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 86.516994] ? do_syscall_64+0x26/0x620 [ 86.520969] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.526330] __x64_sys_sendto+0xe1/0x1a0 [ 86.530378] do_syscall_64+0xfd/0x620 [ 86.534166] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.539340] RIP: 0033:0x441349 [ 86.542518] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.561421] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c executing program [ 86.569125] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 86.576388] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 86.583643] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 86.590906] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 86.598161] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 86.646434] FAULT_INJECTION: forcing a failure. [ 86.646434] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 86.658367] CPU: 1 PID: 7526 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 86.665279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.674613] Call Trace: [ 86.677189] dump_stack+0x172/0x1f0 [ 86.680803] should_fail.cold+0xa/0x1b [ 86.684672] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 86.689762] ? __might_sleep+0x95/0x190 [ 86.693776] __alloc_pages_nodemask+0x1ee/0x750 [ 86.698444] ? __alloc_pages_slowpath+0x2870/0x2870 [ 86.703459] ? mark_held_locks+0x100/0x100 [ 86.707679] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 86.713213] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 86.718769] alloc_pages_vma+0xdd/0x590 [ 86.722735] shmem_alloc_page+0xc0/0x180 [ 86.726793] ? shmem_swapin+0x1a0/0x1a0 [ 86.730786] ? filemap_map_pages+0x1130/0x1130 [ 86.735357] ? mark_held_locks+0xb1/0x100 [ 86.739504] shmem_alloc_and_acct_page+0x165/0x970 [ 86.744422] shmem_getpage_gfp+0x44a/0x3640 [ 86.748739] ? shmem_add_to_page_cache+0xd30/0xd30 [ 86.753652] ? lock_downgrade+0x880/0x880 [ 86.757799] ? kasan_check_read+0x11/0x20 [ 86.761944] shmem_fault+0x233/0x760 [ 86.765648] ? __handle_mm_fault+0x34de/0x3f80 [ 86.770236] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 86.775517] ? lock_downgrade+0x880/0x880 [ 86.779662] __do_fault+0x111/0x480 [ 86.783279] __handle_mm_fault+0x2d78/0x3f80 [ 86.787675] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 86.792509] ? count_memcg_event_mm+0x2b1/0x4d0 [ 86.797165] handle_mm_fault+0x1b5/0x690 [ 86.801214] __do_page_fault+0x62a/0xe90 [ 86.805274] ? vmalloc_fault+0x740/0x740 [ 86.809322] ? trace_hardirqs_off_caller+0x65/0x220 [ 86.814320] ? trace_hardirqs_on_caller+0x6a/0x220 [ 86.819238] do_page_fault+0x71/0x57d [ 86.823026] page_fault+0x1e/0x30 [ 86.826463] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 86.832340] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 86.851230] RSP: 0018:ffff88808772fa18 EFLAGS: 00010206 [ 86.856585] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 86.863854] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff888082e47f9d [ 86.871117] RBP: ffff88808772fa50 R08: ffffed10105c9000 R09: 0000000000000000 [ 86.878374] R10: ffffed10105c8fff R11: ffff888082e47fff R12: 0000000020004080 [ 86.885625] R13: ffff888082e4401d R14: 0000000020008063 R15: 00007ffffffff000 [ 86.892900] ? copyin+0xe2/0x100 [ 86.896251] _copy_from_iter+0x20a/0xb30 [ 86.900297] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 86.905819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 86.911371] ? __check_object_size+0x3d/0x42a [ 86.915855] tls_sw_sendmsg+0x8a9/0x1240 [ 86.919909] ? tls_sw_push_pending_record+0x30/0x30 [ 86.924922] ? proc_fail_nth_write+0x9d/0x1e0 [ 86.929423] inet_sendmsg+0x141/0x5d0 [ 86.933208] ? ipip_gro_receive+0x100/0x100 [ 86.937514] sock_sendmsg+0xd7/0x130 [ 86.941225] __sys_sendto+0x262/0x380 [ 86.945015] ? __ia32_sys_getpeername+0xb0/0xb0 [ 86.949672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.955201] ? __sb_end_write+0xd9/0x110 [ 86.959266] ? vfs_write+0x160/0x560 [ 86.963241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.968770] ? ksys_write+0x1f1/0x2d0 [ 86.972570] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 86.977321] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 86.982059] ? do_syscall_64+0x26/0x620 [ 86.986031] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.991395] __x64_sys_sendto+0xe1/0x1a0 [ 86.995444] do_syscall_64+0xfd/0x620 [ 86.999232] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.004403] RIP: 0033:0x441349 [ 87.007589] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 87.026481] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 87.034173] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 87.041425] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 87.048678] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 87.055930] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 87.063183] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 executing program [ 87.112097] net_ratelimit: 1 callbacks suppressed [ 87.112104] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 87.129305] FAULT_INJECTION: forcing a failure. [ 87.129305] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 87.141177] CPU: 0 PID: 7527 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 87.148118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.157478] Call Trace: [ 87.160159] dump_stack+0x172/0x1f0 [ 87.163777] should_fail.cold+0xa/0x1b [ 87.167667] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 87.172761] ? __might_sleep+0x95/0x190 [ 87.176735] __alloc_pages_nodemask+0x1ee/0x750 [ 87.181407] ? __alloc_pages_slowpath+0x2870/0x2870 [ 87.186426] ? mark_held_locks+0x100/0x100 [ 87.190654] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 87.196188] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 87.201729] alloc_pages_vma+0xdd/0x590 [ 87.205692] shmem_alloc_page+0xc0/0x180 [ 87.209738] ? shmem_swapin+0x1a0/0x1a0 [ 87.213727] ? filemap_map_pages+0x1130/0x1130 [ 87.218301] ? mark_held_locks+0xb1/0x100 [ 87.222435] shmem_alloc_and_acct_page+0x165/0x970 [ 87.227354] shmem_getpage_gfp+0x44a/0x3640 [ 87.231669] ? shmem_add_to_page_cache+0xd30/0xd30 [ 87.236581] ? lock_downgrade+0x880/0x880 [ 87.240714] ? kasan_check_read+0x11/0x20 [ 87.244848] shmem_fault+0x233/0x760 [ 87.248547] ? __handle_mm_fault+0x34de/0x3f80 [ 87.253129] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 87.258401] ? lock_downgrade+0x880/0x880 [ 87.262603] __do_fault+0x111/0x480 [ 87.266223] __handle_mm_fault+0x2d78/0x3f80 [ 87.270628] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 87.275510] ? count_memcg_event_mm+0x2b1/0x4d0 [ 87.280166] handle_mm_fault+0x1b5/0x690 [ 87.284217] __do_page_fault+0x62a/0xe90 [ 87.288281] ? vmalloc_fault+0x740/0x740 [ 87.292331] ? trace_hardirqs_off_caller+0x65/0x220 [ 87.297356] ? trace_hardirqs_on_caller+0x6a/0x220 [ 87.302273] do_page_fault+0x71/0x57d [ 87.306059] page_fault+0x1e/0x30 [ 87.309519] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 87.315388] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 87.334275] RSP: 0018:ffff8880a0b0fa18 EFLAGS: 00010206 [ 87.339626] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000001063 [ 87.346879] RDX: 0000000000003fe3 RSI: 0000000020007000 RDI: ffff8880a06aef9d [ 87.354130] RBP: ffff8880a0b0fa50 R08: ffffed10140d6000 R09: 0000000000000000 [ 87.361383] R10: ffffed10140d5fff R11: ffff8880a06affff R12: 0000000020004080 [ 87.368634] R13: ffff8880a06ac01d R14: 0000000020008063 R15: 00007ffffffff000 [ 87.375905] ? copyin+0xe2/0x100 [ 87.379259] _copy_from_iter+0x20a/0xb30 [ 87.383309] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 87.388830] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 87.394364] ? __check_object_size+0x3d/0x42a [ 87.398847] tls_sw_sendmsg+0x8a9/0x1240 [ 87.402900] ? tls_sw_push_pending_record+0x30/0x30 [ 87.407900] ? proc_fail_nth_write+0x9d/0x1e0 [ 87.412408] inet_sendmsg+0x141/0x5d0 [ 87.416213] ? ipip_gro_receive+0x100/0x100 [ 87.420544] sock_sendmsg+0xd7/0x130 [ 87.424263] __sys_sendto+0x262/0x380 [ 87.428117] ? __ia32_sys_getpeername+0xb0/0xb0 [ 87.432791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.438322] ? __sb_end_write+0xd9/0x110 [ 87.442371] ? vfs_write+0x160/0x560 [ 87.446076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.451953] ? ksys_write+0x1f1/0x2d0 [ 87.455812] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 87.460564] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 87.465314] ? do_syscall_64+0x26/0x620 [ 87.469276] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.474625] __x64_sys_sendto+0xe1/0x1a0 [ 87.478673] do_syscall_64+0xfd/0x620 [ 87.482485] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.487657] RIP: 0033:0x441349 [ 87.490839] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 executing program [ 87.509736] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 87.517428] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 87.524677] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 87.531930] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 87.539197] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 87.546448] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 87.593293] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 87.604943] FAULT_INJECTION: forcing a failure. [ 87.604943] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 87.616844] CPU: 1 PID: 7528 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 87.623773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.633113] Call Trace: [ 87.635698] dump_stack+0x172/0x1f0 [ 87.639317] should_fail.cold+0xa/0x1b [ 87.643192] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 87.648285] ? __might_sleep+0x95/0x190 [ 87.652244] __alloc_pages_nodemask+0x1ee/0x750 [ 87.656905] ? __alloc_pages_slowpath+0x2870/0x2870 [ 87.661946] ? mark_held_locks+0x100/0x100 [ 87.666174] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 87.671705] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 87.677231] alloc_pages_vma+0xdd/0x590 [ 87.681191] shmem_alloc_page+0xc0/0x180 [ 87.685234] ? shmem_swapin+0x1a0/0x1a0 [ 87.689202] ? filemap_map_pages+0x1130/0x1130 [ 87.693767] ? mark_held_locks+0xb1/0x100 [ 87.697901] shmem_alloc_and_acct_page+0x165/0x970 [ 87.702815] shmem_getpage_gfp+0x44a/0x3640 [ 87.707127] ? shmem_add_to_page_cache+0xd30/0xd30 [ 87.712051] ? lock_downgrade+0x880/0x880 [ 87.716185] ? kasan_check_read+0x11/0x20 [ 87.720325] shmem_fault+0x233/0x760 [ 87.724020] ? __handle_mm_fault+0x34de/0x3f80 [ 87.728587] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 87.733863] ? lock_downgrade+0x880/0x880 [ 87.738000] __do_fault+0x111/0x480 [ 87.741614] __handle_mm_fault+0x2d78/0x3f80 [ 87.746016] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 87.750853] ? count_memcg_event_mm+0x2b1/0x4d0 [ 87.755508] handle_mm_fault+0x1b5/0x690 [ 87.759567] __do_page_fault+0x62a/0xe90 [ 87.763701] ? vmalloc_fault+0x740/0x740 [ 87.767762] ? trace_hardirqs_off_caller+0x65/0x220 [ 87.772762] ? trace_hardirqs_on_caller+0x6a/0x220 [ 87.777763] do_page_fault+0x71/0x57d [ 87.781548] page_fault+0x1e/0x30 [ 87.784984] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 87.790852] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 87.809749] RSP: 0018:ffff8880a0b0fa18 EFLAGS: 00010206 [ 87.815095] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 87.822434] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff88808139ff9d [ 87.829688] RBP: ffff8880a0b0fa50 R08: ffffed1010274000 R09: 0000000000000000 [ 87.836945] R10: ffffed1010273fff R11: ffff88808139ffff R12: 0000000020004080 [ 87.844225] R13: ffff88808139c01d R14: 0000000020008063 R15: 00007ffffffff000 [ 87.851531] ? copyin+0xe2/0x100 [ 87.854884] _copy_from_iter+0x20a/0xb30 [ 87.858929] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 87.864448] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 87.869973] ? __check_object_size+0x3d/0x42a [ 87.874457] tls_sw_sendmsg+0x8a9/0x1240 [ 87.878515] ? tls_sw_push_pending_record+0x30/0x30 [ 87.883511] ? proc_fail_nth_write+0x9d/0x1e0 [ 87.888012] inet_sendmsg+0x141/0x5d0 [ 87.891805] ? ipip_gro_receive+0x100/0x100 [ 87.896113] sock_sendmsg+0xd7/0x130 [ 87.899810] __sys_sendto+0x262/0x380 [ 87.903596] ? __ia32_sys_getpeername+0xb0/0xb0 [ 87.908257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.913782] ? __sb_end_write+0xd9/0x110 [ 87.917829] ? vfs_write+0x160/0x560 [ 87.921540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.927059] ? ksys_write+0x1f1/0x2d0 [ 87.930857] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 87.935598] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 87.940337] ? do_syscall_64+0x26/0x620 [ 87.944297] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.949659] __x64_sys_sendto+0xe1/0x1a0 [ 87.953708] do_syscall_64+0xfd/0x620 [ 87.957498] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.962689] RIP: 0033:0x441349 [ 87.965867] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 87.984752] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c executing program [ 87.992454] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 87.999713] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 88.006972] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 88.014232] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 88.021483] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 88.068317] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 88.080041] FAULT_INJECTION: forcing a failure. [ 88.080041] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 88.091923] CPU: 1 PID: 7529 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 88.098858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.108203] Call Trace: [ 88.110782] dump_stack+0x172/0x1f0 [ 88.114514] should_fail.cold+0xa/0x1b [ 88.118388] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 88.123475] ? __might_sleep+0x95/0x190 [ 88.127443] __alloc_pages_nodemask+0x1ee/0x750 [ 88.132105] ? __alloc_pages_slowpath+0x2870/0x2870 [ 88.137110] ? mark_held_locks+0x100/0x100 [ 88.141328] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 88.146861] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 88.152389] alloc_pages_vma+0xdd/0x590 [ 88.156423] shmem_alloc_page+0xc0/0x180 [ 88.160473] ? shmem_swapin+0x1a0/0x1a0 [ 88.164451] ? filemap_map_pages+0x1130/0x1130 [ 88.169283] ? mark_held_locks+0xb1/0x100 [ 88.173420] shmem_alloc_and_acct_page+0x165/0x970 [ 88.178336] shmem_getpage_gfp+0x44a/0x3640 [ 88.182666] ? shmem_add_to_page_cache+0xd30/0xd30 [ 88.187581] ? lock_downgrade+0x880/0x880 [ 88.191727] ? kasan_check_read+0x11/0x20 [ 88.195872] shmem_fault+0x233/0x760 [ 88.199583] ? __handle_mm_fault+0x34de/0x3f80 [ 88.204148] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 88.209440] ? lock_downgrade+0x880/0x880 [ 88.213573] __do_fault+0x111/0x480 [ 88.217186] __handle_mm_fault+0x2d78/0x3f80 [ 88.221581] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 88.226420] ? count_memcg_event_mm+0x2b1/0x4d0 [ 88.231083] handle_mm_fault+0x1b5/0x690 [ 88.235136] __do_page_fault+0x62a/0xe90 [ 88.239192] ? vmalloc_fault+0x740/0x740 [ 88.243240] ? trace_hardirqs_off_caller+0x65/0x220 [ 88.248249] ? trace_hardirqs_on_caller+0x6a/0x220 [ 88.253172] do_page_fault+0x71/0x57d [ 88.256961] page_fault+0x1e/0x30 [ 88.260402] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 88.266269] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 88.285153] RSP: 0018:ffff88809e8c7a18 EFLAGS: 00010206 [ 88.290518] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 88.297802] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff8880a0a7ff9d [ 88.305060] RBP: ffff88809e8c7a50 R08: ffffed1014150000 R09: 0000000000000000 [ 88.312314] R10: ffffed101414ffff R11: ffff8880a0a7ffff R12: 0000000020004080 [ 88.319568] R13: ffff8880a0a7c01d R14: 0000000020008063 R15: 00007ffffffff000 [ 88.326858] ? copyin+0xe2/0x100 [ 88.330215] _copy_from_iter+0x20a/0xb30 [ 88.334309] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 88.339832] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 88.345363] ? __check_object_size+0x3d/0x42a [ 88.349851] tls_sw_sendmsg+0x8a9/0x1240 [ 88.353907] ? tls_sw_push_pending_record+0x30/0x30 [ 88.358912] ? proc_fail_nth_write+0x9d/0x1e0 [ 88.363401] inet_sendmsg+0x141/0x5d0 [ 88.367190] ? ipip_gro_receive+0x100/0x100 [ 88.371550] sock_sendmsg+0xd7/0x130 [ 88.375263] __sys_sendto+0x262/0x380 [ 88.379056] ? __ia32_sys_getpeername+0xb0/0xb0 [ 88.383715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.389292] ? __sb_end_write+0xd9/0x110 [ 88.393386] ? vfs_write+0x160/0x560 [ 88.397090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.402848] ? ksys_write+0x1f1/0x2d0 [ 88.406653] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 88.411400] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 88.416155] ? do_syscall_64+0x26/0x620 [ 88.420126] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.425480] __x64_sys_sendto+0xe1/0x1a0 [ 88.429538] do_syscall_64+0xfd/0x620 [ 88.433337] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.438535] RIP: 0033:0x441349 [ 88.441726] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.460612] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c executing program [ 88.468311] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 88.475564] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 88.482818] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 88.490854] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 88.498105] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 88.543710] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 88.556428] FAULT_INJECTION: forcing a failure. [ 88.556428] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 88.568331] CPU: 0 PID: 7530 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 88.575257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.584598] Call Trace: [ 88.587178] dump_stack+0x172/0x1f0 [ 88.590797] should_fail.cold+0xa/0x1b [ 88.594677] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 88.599789] ? __might_sleep+0x95/0x190 [ 88.603751] __alloc_pages_nodemask+0x1ee/0x750 [ 88.608403] ? __alloc_pages_slowpath+0x2870/0x2870 [ 88.613408] ? mark_held_locks+0x100/0x100 [ 88.617635] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 88.623154] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 88.628679] alloc_pages_vma+0xdd/0x590 [ 88.632641] shmem_alloc_page+0xc0/0x180 [ 88.636685] ? shmem_swapin+0x1a0/0x1a0 [ 88.640656] ? filemap_map_pages+0x1130/0x1130 [ 88.645231] ? mark_held_locks+0xb1/0x100 [ 88.649370] shmem_alloc_and_acct_page+0x165/0x970 [ 88.654287] shmem_getpage_gfp+0x44a/0x3640 [ 88.658600] ? shmem_add_to_page_cache+0xd30/0xd30 [ 88.663512] ? lock_downgrade+0x880/0x880 [ 88.667644] ? kasan_check_read+0x11/0x20 [ 88.671791] shmem_fault+0x233/0x760 [ 88.675489] ? __handle_mm_fault+0x34de/0x3f80 [ 88.680056] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 88.685320] ? lock_downgrade+0x880/0x880 [ 88.689477] __do_fault+0x111/0x480 [ 88.693102] __handle_mm_fault+0x2d78/0x3f80 [ 88.697511] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 88.702359] ? count_memcg_event_mm+0x2b1/0x4d0 [ 88.707027] handle_mm_fault+0x1b5/0x690 [ 88.711088] __do_page_fault+0x62a/0xe90 [ 88.715142] ? vmalloc_fault+0x740/0x740 [ 88.719197] ? trace_hardirqs_off_caller+0x65/0x220 [ 88.724197] ? trace_hardirqs_on_caller+0x6a/0x220 [ 88.729117] do_page_fault+0x71/0x57d [ 88.732907] page_fault+0x1e/0x30 [ 88.736348] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 88.742224] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 88.761185] RSP: 0018:ffff88809c257a18 EFLAGS: 00010206 [ 88.766554] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 88.773828] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff8880a677ff9d [ 88.781081] RBP: ffff88809c257a50 R08: ffffed1014cf0000 R09: 0000000000000000 [ 88.788348] R10: ffffed1014ceffff R11: ffff8880a677ffff R12: 0000000020004080 [ 88.795611] R13: ffff8880a677c01d R14: 0000000020008063 R15: 00007ffffffff000 [ 88.802885] ? copyin+0xe2/0x100 [ 88.806239] _copy_from_iter+0x20a/0xb30 [ 88.810288] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 88.815824] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 88.821365] ? __check_object_size+0x3d/0x42a [ 88.825855] tls_sw_sendmsg+0x8a9/0x1240 [ 88.829965] ? tls_sw_push_pending_record+0x30/0x30 [ 88.834979] ? proc_fail_nth_write+0x9d/0x1e0 [ 88.839478] inet_sendmsg+0x141/0x5d0 [ 88.843270] ? ipip_gro_receive+0x100/0x100 [ 88.847588] sock_sendmsg+0xd7/0x130 [ 88.851296] __sys_sendto+0x262/0x380 [ 88.855169] ? __ia32_sys_getpeername+0xb0/0xb0 [ 88.859825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.865389] ? __sb_end_write+0xd9/0x110 [ 88.869441] ? vfs_write+0x160/0x560 [ 88.873146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.878671] ? ksys_write+0x1f1/0x2d0 [ 88.882554] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 88.887294] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 88.892035] ? do_syscall_64+0x26/0x620 [ 88.895992] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.901340] __x64_sys_sendto+0xe1/0x1a0 [ 88.905389] do_syscall_64+0xfd/0x620 [ 88.909188] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.914388] RIP: 0033:0x441349 [ 88.917565] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.936450] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c executing program [ 88.944144] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 88.951409] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 88.958681] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 88.965936] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 88.973187] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 89.019291] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 89.030937] FAULT_INJECTION: forcing a failure. [ 89.030937] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 89.042847] CPU: 0 PID: 7531 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 89.049769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.059202] Call Trace: [ 89.061788] dump_stack+0x172/0x1f0 [ 89.065403] should_fail.cold+0xa/0x1b [ 89.069276] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 89.074363] ? __might_sleep+0x95/0x190 [ 89.078337] __alloc_pages_nodemask+0x1ee/0x750 [ 89.082998] ? __alloc_pages_slowpath+0x2870/0x2870 [ 89.088007] ? mark_held_locks+0x100/0x100 [ 89.092236] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 89.097779] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 89.103308] alloc_pages_vma+0xdd/0x590 [ 89.107270] shmem_alloc_page+0xc0/0x180 [ 89.111329] ? shmem_swapin+0x1a0/0x1a0 [ 89.115318] ? filemap_map_pages+0x1130/0x1130 [ 89.119898] ? mark_held_locks+0xb1/0x100 [ 89.124055] shmem_alloc_and_acct_page+0x165/0x970 [ 89.128978] shmem_getpage_gfp+0x44a/0x3640 [ 89.133310] ? shmem_add_to_page_cache+0xd30/0xd30 [ 89.138230] ? lock_downgrade+0x880/0x880 [ 89.142369] ? kasan_check_read+0x11/0x20 [ 89.146611] shmem_fault+0x233/0x760 [ 89.150314] ? __handle_mm_fault+0x34de/0x3f80 [ 89.154897] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 89.160159] ? lock_downgrade+0x880/0x880 [ 89.164295] __do_fault+0x111/0x480 [ 89.167921] __handle_mm_fault+0x2d78/0x3f80 [ 89.172317] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 89.177219] ? count_memcg_event_mm+0x2b1/0x4d0 [ 89.181886] handle_mm_fault+0x1b5/0x690 [ 89.185944] __do_page_fault+0x62a/0xe90 [ 89.190000] ? vmalloc_fault+0x740/0x740 [ 89.194049] ? trace_hardirqs_off_caller+0x65/0x220 [ 89.199055] ? trace_hardirqs_on_caller+0x6a/0x220 [ 89.203989] do_page_fault+0x71/0x57d [ 89.207790] page_fault+0x1e/0x30 [ 89.211236] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 89.217104] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 89.235995] RSP: 0018:ffff888085907a18 EFLAGS: 00010206 [ 89.241357] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 89.248609] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff888082ffff9d [ 89.255868] RBP: ffff888085907a50 R08: ffffed1010600000 R09: 0000000000000000 [ 89.263619] R10: ffffed10105fffff R11: ffff888082ffffff R12: 0000000020004080 [ 89.270877] R13: ffff888082ffc01d R14: 0000000020008063 R15: 00007ffffffff000 [ 89.278160] ? copyin+0xe2/0x100 [ 89.281516] _copy_from_iter+0x20a/0xb30 [ 89.285568] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 89.291105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 89.296633] ? __check_object_size+0x3d/0x42a [ 89.301125] tls_sw_sendmsg+0x8a9/0x1240 [ 89.305181] ? tls_sw_push_pending_record+0x30/0x30 [ 89.310184] ? proc_fail_nth_write+0x9d/0x1e0 [ 89.314676] inet_sendmsg+0x141/0x5d0 [ 89.318461] ? ipip_gro_receive+0x100/0x100 [ 89.322768] sock_sendmsg+0xd7/0x130 [ 89.326464] __sys_sendto+0x262/0x380 [ 89.330263] ? __ia32_sys_getpeername+0xb0/0xb0 [ 89.334921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.340448] ? __sb_end_write+0xd9/0x110 [ 89.344493] ? vfs_write+0x160/0x560 [ 89.348206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.353731] ? ksys_write+0x1f1/0x2d0 [ 89.357532] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 89.362283] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 89.367021] ? do_syscall_64+0x26/0x620 [ 89.370991] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.376343] __x64_sys_sendto+0xe1/0x1a0 [ 89.380406] do_syscall_64+0xfd/0x620 [ 89.384196] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.389369] RIP: 0033:0x441349 [ 89.392558] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 89.411448] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c executing program [ 89.419140] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 89.426409] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 89.433661] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 89.440926] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 89.448187] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 89.494055] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 89.505842] FAULT_INJECTION: forcing a failure. [ 89.505842] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 89.517946] CPU: 1 PID: 7532 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 89.524877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.534219] Call Trace: [ 89.536806] dump_stack+0x172/0x1f0 [ 89.540434] should_fail.cold+0xa/0x1b [ 89.544305] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 89.549408] ? __might_sleep+0x95/0x190 [ 89.553369] __alloc_pages_nodemask+0x1ee/0x750 [ 89.558025] ? __alloc_pages_slowpath+0x2870/0x2870 [ 89.563038] ? mark_held_locks+0x100/0x100 [ 89.567257] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 89.572775] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 89.578299] alloc_pages_vma+0xdd/0x590 [ 89.582258] shmem_alloc_page+0xc0/0x180 [ 89.586303] ? shmem_swapin+0x1a0/0x1a0 [ 89.590273] ? filemap_map_pages+0x1130/0x1130 [ 89.594837] ? mark_held_locks+0xb1/0x100 [ 89.598975] shmem_alloc_and_acct_page+0x165/0x970 [ 89.603893] shmem_getpage_gfp+0x44a/0x3640 [ 89.608208] ? shmem_add_to_page_cache+0xd30/0xd30 [ 89.613130] ? lock_downgrade+0x880/0x880 [ 89.617265] ? kasan_check_read+0x11/0x20 [ 89.621410] shmem_fault+0x233/0x760 [ 89.625112] ? __handle_mm_fault+0x34de/0x3f80 [ 89.629684] ? shmem_read_mapping_page_gfp+0x1a0/0x1a0 [ 89.634959] ? lock_downgrade+0x880/0x880 [ 89.639101] __do_fault+0x111/0x480 [ 89.642713] __handle_mm_fault+0x2d78/0x3f80 [ 89.647109] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 89.651943] ? count_memcg_event_mm+0x2b1/0x4d0 [ 89.656599] handle_mm_fault+0x1b5/0x690 [ 89.660648] __do_page_fault+0x62a/0xe90 [ 89.664696] ? vmalloc_fault+0x740/0x740 [ 89.668743] ? trace_hardirqs_off_caller+0x65/0x220 [ 89.673755] ? trace_hardirqs_on_caller+0x6a/0x220 [ 89.678691] do_page_fault+0x71/0x57d [ 89.682490] page_fault+0x1e/0x30 [ 89.685928] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 89.691800] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 89.710697] RSP: 0018:ffff888085907a18 EFLAGS: 00010206 [ 89.716057] RAX: 0000000000000000 RBX: 0000000000003fe3 RCX: 0000000000000063 [ 89.723319] RDX: 0000000000003fe3 RSI: 0000000020008000 RDI: ffff888092567f9d [ 89.730570] RBP: ffff888085907a50 R08: ffffed10124ad000 R09: 0000000000000000 [ 89.737840] R10: ffffed10124acfff R11: ffff888092567fff R12: 0000000020004080 [ 89.745111] R13: ffff88809256401d R14: 0000000020008063 R15: 00007ffffffff000 [ 89.752381] ? copyin+0xe2/0x100 [ 89.755733] _copy_from_iter+0x20a/0xb30 [ 89.759781] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 89.765302] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 89.770852] ? __check_object_size+0x3d/0x42a [ 89.775334] tls_sw_sendmsg+0x8a9/0x1240 [ 89.779396] ? tls_sw_push_pending_record+0x30/0x30 [ 89.784405] ? proc_fail_nth_write+0x9d/0x1e0 [ 89.788891] inet_sendmsg+0x141/0x5d0 [ 89.792677] ? ipip_gro_receive+0x100/0x100 [ 89.796993] sock_sendmsg+0xd7/0x130 [ 89.800696] __sys_sendto+0x262/0x380 [ 89.804480] ? __ia32_sys_getpeername+0xb0/0xb0 [ 89.809135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.814662] ? __sb_end_write+0xd9/0x110 [ 89.818710] ? vfs_write+0x160/0x560 [ 89.822408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.827934] ? ksys_write+0x1f1/0x2d0 [ 89.831722] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 89.836459] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 89.841199] ? do_syscall_64+0x26/0x620 [ 89.845155] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.850506] __x64_sys_sendto+0xe1/0x1a0 [ 89.854564] do_syscall_64+0xfd/0x620 [ 89.858356] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.863527] RIP: 0033:0x441349 [ 89.866701] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 89.885594] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c executing program [ 89.893308] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 89.900570] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 89.907826] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 89.915345] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 89.922596] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 89.965477] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 89.977405] FAULT_INJECTION: forcing a failure. [ 89.977405] name failslab, interval 1, probability 0, space 0, times 1 [ 89.988730] CPU: 0 PID: 7533 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 89.995639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.004991] Call Trace: [ 90.007573] dump_stack+0x172/0x1f0 [ 90.011226] should_fail.cold+0xa/0x1b [ 90.015104] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 90.020191] ? lock_downgrade+0x880/0x880 [ 90.024337] __should_failslab+0x121/0x190 [ 90.028564] should_failslab+0x9/0x14 [ 90.032348] __kmalloc+0x2e2/0x750 [ 90.035885] ? lock_downgrade+0x880/0x880 [ 90.040043] ? tls_push_record+0x107/0x13a0 [ 90.044442] tls_push_record+0x107/0x13a0 [ 90.048585] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 90.053590] ? _copy_from_iter+0x30d/0xb30 [ 90.057813] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 90.063335] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 90.068857] ? __check_object_size+0x3d/0x42a [ 90.073361] tls_sw_sendmsg+0xdde/0x1240 [ 90.077418] ? tls_sw_push_pending_record+0x30/0x30 [ 90.082430] ? proc_fail_nth_write+0x9d/0x1e0 [ 90.086936] inet_sendmsg+0x141/0x5d0 [ 90.090732] ? ipip_gro_receive+0x100/0x100 [ 90.095053] sock_sendmsg+0xd7/0x130 [ 90.098750] __sys_sendto+0x262/0x380 [ 90.102548] ? __ia32_sys_getpeername+0xb0/0xb0 [ 90.107214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.112753] ? __sb_end_write+0xd9/0x110 [ 90.116832] ? vfs_write+0x160/0x560 [ 90.120547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.126068] ? ksys_write+0x1f1/0x2d0 [ 90.129873] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 90.134620] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 90.139363] ? do_syscall_64+0x26/0x620 [ 90.143333] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.148694] __x64_sys_sendto+0xe1/0x1a0 [ 90.152747] do_syscall_64+0xfd/0x620 [ 90.156545] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.161718] RIP: 0033:0x441349 [ 90.164904] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.183798] RSP: 002b:00007ffeab0acc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 90.191502] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441349 [ 90.198756] RDX: ffffffffffffffc1 RSI: 0000000020000080 RDI: 0000000000000003 [ 90.206010] RBP: 00007ffeab0acc30 R08: 0000000000000000 R09: fffffffffffffe5b [ 90.213276] R10: 0000000000000040 R11: 0000000000000246 R12: ffffffffffffffff [ 90.220527] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 90.230125] ================================================================== [ 90.237581] BUG: KASAN: use-after-free in tls_push_record+0x102a/0x13a0 [ 90.244333] Write of size 1 at addr ffff88809f6b8000 by task syz-executor273/7533 [ 90.251938] [ 90.253559] CPU: 0 PID: 7533 Comm: syz-executor273 Not tainted 4.19.77 #0 [ 90.260465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.269810] Call Trace: [ 90.272390] dump_stack+0x172/0x1f0 [ 90.276013] ? tls_push_record+0x102a/0x13a0 [ 90.280461] print_address_description.cold+0x7c/0x20d [ 90.285731] ? tls_push_record+0x102a/0x13a0 [ 90.290134] kasan_report.cold+0x8c/0x2ba [ 90.294287] __asan_report_store1_noabort+0x17/0x20 [ 90.299332] tls_push_record+0x102a/0x13a0 [ 90.303566] ? __local_bh_enable_ip+0x15a/0x270 [ 90.308237] ? lock_sock_nested+0x9a/0x120 [ 90.312528] tls_sw_push_pending_record+0x23/0x30 [ 90.317360] tls_sk_proto_close+0x5bb/0xab0 [ 90.321667] ? debug_object_activate+0x2c1/0x4e0 [ 90.326412] ? tcp_check_oom+0x560/0x560 [ 90.330473] ? tls_write_space+0x310/0x310 [ 90.334692] ? ip_mc_drop_socket+0x20c/0x270 [ 90.339084] ? __sock_release+0x89/0x2a0 [ 90.343131] inet_release+0xff/0x1e0 [ 90.346851] inet6_release+0x53/0x80 [ 90.350571] __sock_release+0xce/0x2a0 [ 90.354502] ? __sock_release+0x2a0/0x2a0 [ 90.358661] sock_close+0x1b/0x30 [ 90.362115] __fput+0x2dd/0x8b0 [ 90.365383] ____fput+0x16/0x20 [ 90.368648] task_work_run+0x145/0x1c0 [ 90.372521] do_exit+0x994/0x2fa0 [ 90.375971] ? mm_update_next_owner+0x660/0x660 [ 90.380633] ? up_read+0x1a/0x110 [ 90.384075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.389596] ? __do_page_fault+0x484/0xe90 [ 90.393816] ? ksys_write+0x1f1/0x2d0 [ 90.397628] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 90.402365] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 90.407108] do_group_exit+0x135/0x370 [ 90.410982] __x64_sys_exit_group+0x44/0x50 [ 90.415313] do_syscall_64+0xfd/0x620 [ 90.419100] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.424282] RIP: 0033:0x43ffb8 [ 90.427467] Code: Bad RIP value. [ 90.430823] RSP: 002b:00007ffeab0acbc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 90.438523] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ffb8 [ 90.445781] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 90.453033] RBP: 00000000004bfd10 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 90.460296] R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000001 [ 90.467548] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 90.474808] [ 90.476414] The buggy address belongs to the page: [ 90.481325] page:ffffea00027dae00 count:0 mapcount:-128 mapping:0000000000000000 index:0x0 [ 90.489718] flags: 0x1fffc0000000000() [ 90.493609] raw: 01fffc0000000000 ffffea00024aa608 ffffea00024aca08 0000000000000000 [ 90.504164] raw: 0000000000000000 0000000000000003 00000000ffffff7f 0000000000000000 [ 90.512027] page dumped because: kasan: bad access detected [ 90.517719] [ 90.519339] Memory state around the buggy address: [ 90.524262] ffff88809f6b7f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 90.531604] ffff88809f6b7f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 90.538942] >ffff88809f6b8000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 90.546278] ^ [ 90.549626] ffff88809f6b8080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 90.556964] ffff88809f6b8100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 90.564299] ================================================================== [ 90.571635] Disabling lock debugging due to kernel taint [ 90.577587] Kernel panic - not syncing: panic_on_warn set ... [ 90.577587] [ 90.584952] CPU: 0 PID: 7533 Comm: syz-executor273 Tainted: G B 4.19.77 #0 [ 90.593257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.602592] Call Trace: [ 90.605171] dump_stack+0x172/0x1f0 [ 90.608784] ? tls_push_record+0x102a/0x13a0 [ 90.613175] panic+0x263/0x507 [ 90.616349] ? __warn_printk+0xf3/0xf3 [ 90.620217] ? tls_push_record+0x102a/0x13a0 [ 90.624620] ? preempt_schedule+0x4b/0x60 [ 90.628758] ? ___preempt_schedule+0x16/0x18 [ 90.633154] ? trace_hardirqs_on+0x5e/0x220 [ 90.637460] ? tls_push_record+0x102a/0x13a0 [ 90.641850] kasan_end_report+0x47/0x4f [ 90.645817] kasan_report.cold+0xa9/0x2ba [ 90.649950] __asan_report_store1_noabort+0x17/0x20 [ 90.654957] tls_push_record+0x102a/0x13a0 [ 90.659176] ? __local_bh_enable_ip+0x15a/0x270 [ 90.663830] ? lock_sock_nested+0x9a/0x120 [ 90.668047] tls_sw_push_pending_record+0x23/0x30 [ 90.672873] tls_sk_proto_close+0x5bb/0xab0 [ 90.677177] ? debug_object_activate+0x2c1/0x4e0 [ 90.681914] ? tcp_check_oom+0x560/0x560 [ 90.685958] ? tls_write_space+0x310/0x310 [ 90.690196] ? ip_mc_drop_socket+0x20c/0x270 [ 90.694651] ? __sock_release+0x89/0x2a0 [ 90.698716] inet_release+0xff/0x1e0 [ 90.702428] inet6_release+0x53/0x80 [ 90.706129] __sock_release+0xce/0x2a0 [ 90.710014] ? __sock_release+0x2a0/0x2a0 [ 90.714144] sock_close+0x1b/0x30 [ 90.717582] __fput+0x2dd/0x8b0 [ 90.720847] ____fput+0x16/0x20 [ 90.724114] task_work_run+0x145/0x1c0 [ 90.727984] do_exit+0x994/0x2fa0 [ 90.731423] ? mm_update_next_owner+0x660/0x660 [ 90.736070] ? up_read+0x1a/0x110 [ 90.739507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.745024] ? __do_page_fault+0x484/0xe90 [ 90.749255] ? ksys_write+0x1f1/0x2d0 [ 90.753055] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 90.757799] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 90.762540] do_group_exit+0x135/0x370 [ 90.767105] __x64_sys_exit_group+0x44/0x50 [ 90.771421] do_syscall_64+0xfd/0x620 [ 90.775212] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.780386] RIP: 0033:0x43ffb8 [ 90.783572] Code: Bad RIP value. [ 90.786917] RSP: 002b:00007ffeab0acbc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 90.795733] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ffb8 [ 90.803018] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 90.810291] RBP: 00000000004bfd10 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 90.817766] R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000001 [ 90.825022] R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000 [ 90.833567] Kernel Offset: disabled [ 90.837201] Rebooting in 86400 seconds..