Warning: Permanently added '10.128.1.11' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 853.264752] attempt to access beyond end of device [ 853.270512] attempt to access beyond end of device [ 853.277739] loop1: rw=0, want=5810587444, limit=272 [ 853.281929] attempt to access beyond end of device [ 853.283459] loop5: rw=0, want=5810587444, limit=272 [ 853.293467] loop3: rw=0, want=5810587444, limit=272 [ 853.301249] Buffer I/O error on dev loop3, logical block 2905293721, async page read [ 853.309255] Buffer I/O error on dev loop1, logical block 2905293721, async page read [ 853.309297] attempt to access beyond end of device [ 853.309307] loop1: rw=0, want=7423783504, limit=272 [ 853.309315] Buffer I/O error on dev loop1, logical block 3711891751, async page read [ 853.309339] attempt to access beyond end of device [ 853.328193] attempt to access beyond end of device [ 853.342576] attempt to access beyond end of device [ 853.345843] loop0: rw=0, want=5810587444, limit=272 [ 853.356302] Buffer I/O error on dev loop0, logical block 2905293721, async page read [ 853.364677] attempt to access beyond end of device [ 853.367179] loop4: rw=0, want=5810587444, limit=272 [ 853.372975] loop0: rw=0, want=7423783504, limit=272 [ 853.384518] Buffer I/O error on dev loop0, logical block 3711891751, async page read [ 853.385791] Buffer I/O error on dev loop5, logical block 2905293721, async page read [ 853.404496] attempt to access beyond end of device executing program [ 853.406268] Buffer I/O error on dev loop4, logical block 2905293721, async page read [ 853.410868] loop0: rw=0, want=2564445864, limit=272 [ 853.420087] attempt to access beyond end of device [ 853.423900] Buffer I/O error on dev loop0, logical block 1282222931, async page read [ 853.431296] attempt to access beyond end of device [ 853.447682] loop3: rw=0, want=7423783504, limit=272 [ 853.455335] loop5: rw=0, want=7423783504, limit=272 [ 853.461835] attempt to access beyond end of device [ 853.464705] attempt to access beyond end of device [ 853.470507] Buffer I/O error on dev loop3, logical block 3711891751, async page read [ 853.478155] attempt to access beyond end of device [ 853.482395] Buffer I/O error on dev loop5, logical block 3711891751, async page read [ 853.487053] loop0: rw=0, want=6476442744, limit=272 [ 853.493416] loop4: rw=0, want=7423783504, limit=272 [ 853.500946] loop1: rw=0, want=2564445864, limit=272 [ 853.509009] attempt to access beyond end of device [ 853.510716] loop2: rw=0, want=5810587444, limit=272 [ 853.517709] attempt to access beyond end of device [ 853.525795] loop3: rw=0, want=2564445864, limit=272 [ 853.533193] loop4: rw=0, want=2564445864, limit=272 [ 853.535517] attempt to access beyond end of device [ 853.539132] attempt to access beyond end of device [ 853.547895] attempt to access beyond end of device [ 853.553008] attempt to access beyond end of device [ 853.556902] attempt to access beyond end of device [ 853.561033] attempt to access beyond end of device [ 853.564343] loop1: rw=0, want=6476442744, limit=272 [ 853.572798] loop3: rw=0, want=6476442744, limit=272 [ 853.577018] loop0: rw=0, want=8215819984, limit=272 [ 853.583428] loop4: rw=0, want=6476442744, limit=272 [ 853.586826] loop2: rw=0, want=7423783504, limit=272 [ 853.592796] attempt to access beyond end of device [ 853.594862] loop5: rw=0, want=2564445864, limit=272 [ 853.602720] attempt to access beyond end of device [ 853.606529] attempt to access beyond end of device [ 853.612369] loop3: rw=0, want=8215819984, limit=272 [ 853.616147] attempt to access beyond end of device [ 853.623418] loop4: rw=0, want=8215819984, limit=272 [ 853.626312] loop1: rw=0, want=8215819984, limit=272 [ 853.632752] attempt to access beyond end of device [ 853.636272] attempt to access beyond end of device [ 853.642855] attempt to access beyond end of device [ 853.647417] loop2: rw=0, want=2564445864, limit=272 [ 853.650029] loop3: rw=0, want=5150853156, limit=272 [ 853.656484] attempt to access beyond end of device [ 853.659639] loop4: rw=0, want=5150853156, limit=272 [ 853.665440] attempt to access beyond end of device [ 853.669387] attempt to access beyond end of device [ 853.676273] loop0: rw=0, want=5150853156, limit=272 [ 853.679533] attempt to access beyond end of device [ 853.687336] loop1: rw=0, want=5150853156, limit=272 [ 853.689825] attempt to access beyond end of device [ 853.697499] attempt to access beyond end of device [ 853.699775] loop3: rw=0, want=1802385994, limit=272 [ 853.705378] loop2: rw=0, want=6476442744, limit=272 [ 853.709462] loop4: rw=0, want=1802385994, limit=272 [ 853.715693] attempt to access beyond end of device [ 853.719603] loop5: rw=0, want=6476442744, limit=272 [ 853.727011] loop0: rw=0, want=1802385994, limit=272 [ 853.738465] attempt to access beyond end of device [ 853.738559] attempt to access beyond end of device [ 853.743548] loop1: rw=0, want=1802385994, limit=272 [ 853.762909] loop2: rw=0, want=8215819984, limit=272 [ 853.786261] attempt to access beyond end of device [ 853.795473] loop5: rw=0, want=8215819984, limit=272 [ 853.807438] loop2: rw=0, want=5150853156, limit=272 [ 853.816269] attempt to access beyond end of device [ 853.844312] loop5: rw=0, want=5150853156, limit=272 [ 853.848672] attempt to access beyond end of device [ 853.867265] attempt to access beyond end of device [ 853.888885] loop5: rw=0, want=1802385994, limit=272 [ 853.893518] loop2: rw=0, want=1802385994, limit=272 [ 1004.366874] INFO: task syz-executor106:8134 blocked for more than 140 seconds. [ 1004.374362] Not tainted 4.19.211-syzkaller #0 [ 1004.416770] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1004.424767] syz-executor106 D28712 8134 8107 0x00000004 [ 1004.476769] Call Trace: [ 1004.479399] __schedule+0x887/0x2040 [ 1004.483119] ? io_schedule_timeout+0x140/0x140 [ 1004.516766] ? lock_downgrade+0x720/0x720 [ 1004.520943] ? mark_held_locks+0xa6/0xf0 [ 1004.525005] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 1004.576764] schedule+0x8d/0x1b0 [ 1004.580163] d_alloc_parallel+0x1292/0x19e0 [ 1004.584503] ? __d_lookup_rcu+0x6b0/0x6b0 [ 1004.626751] ? wake_up_q+0xe0/0xe0 [ 1004.630325] ? __lockdep_init_map+0x100/0x5a0 [ 1004.634821] ? __lockdep_init_map+0x100/0x5a0 [ 1004.676756] __lookup_slow+0x18d/0x4a0 [ 1004.680679] ? follow_dotdot_rcu+0x1040/0x1040 [ 1004.685269] ? lookup_fast+0x4e9/0x1080 [ 1004.726747] ? walk_component+0x798/0xda0 [ 1004.730941] walk_component+0x7ac/0xda0 [ 1004.734921] ? lookup_fast+0x1080/0x1080 [ 1004.786735] ? walk_component+0xda0/0xda0 [ 1004.790923] path_lookupat+0x1ff/0x8d0 [ 1004.794812] ? path_mountpoint+0xac0/0xac0 [ 1004.836741] filename_lookup+0x1ac/0x5a0 [ 1004.840833] ? filename_parentat+0x590/0x590 [ 1004.845250] ? __phys_addr_symbol+0x2c/0x70 [ 1004.886727] ? __check_object_size+0x17b/0x3e0 [ 1004.891351] ? getname_flags+0x25b/0x590 [ 1004.895423] do_mount+0x147/0x2f50 [ 1004.936744] ? mark_held_locks+0xf0/0xf0 [ 1004.940838] ? copy_mount_string+0x40/0x40 [ 1004.945073] ? lock_downgrade+0x720/0x720 [ 1004.986711] ? lock_acquire+0x170/0x3c0 [ 1004.990718] ? finish_task_switch+0x118/0x760 [ 1004.995215] ? copy_mount_options+0x26f/0x380 [ 1005.056719] ksys_mount+0xcf/0x130 [ 1005.060294] __x64_sys_mount+0xba/0x150 [ 1005.064269] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1005.116707] do_syscall_64+0xf9/0x620 [ 1005.120583] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1005.125769] RIP: 0033:0x7fcb80b98c29 [ 1005.176695] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1005.265506] RSP: 002b:00007fcb80b242f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1005.316700] RAX: ffffffffffffffda RBX: 00007fcb80c1d4b0 RCX: 00007fcb80b98c29 [ 1005.324003] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1005.376741] RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000 [ 1005.376752] R10: 0000000000000004 R11: 0000000000000246 R12: 00007fcb80bea0c8 [ 1005.376760] R13: 00000000200011c0 R14: 000000807fffffff R15: 00007fcb80c1d4b8 [ 1005.376832] INFO: task syz-executor106:8138 blocked for more than 140 seconds. [ 1005.476697] Not tainted 4.19.211-syzkaller #0 [ 1005.481739] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1005.536690] syz-executor106 D28712 8138 8105 0x00000004 [ 1005.542350] Call Trace: [ 1005.544944] __schedule+0x887/0x2040 [ 1005.596696] ? io_schedule_timeout+0x140/0x140 [ 1005.601307] ? preempt_schedule_common+0x45/0xc0 [ 1005.606060] ? ___preempt_schedule+0x16/0x18 [ 1005.656695] schedule+0x8d/0x1b0 [ 1005.660098] d_alloc_parallel+0x1292/0x19e0 [ 1005.664434] ? __d_lookup_rcu+0x6b0/0x6b0 [ 1005.706641] ? wake_up_q+0xe0/0xe0 [ 1005.710214] ? __lockdep_init_map+0x100/0x5a0 [ 1005.714711] ? __lockdep_init_map+0x100/0x5a0 [ 1005.756710] __lookup_slow+0x18d/0x4a0 [ 1005.760641] ? follow_dotdot_rcu+0x1040/0x1040 [ 1005.765233] ? lookup_fast+0x4e9/0x1080 [ 1005.816678] ? walk_component+0x798/0xda0 [ 1005.820864] walk_component+0x7ac/0xda0 [ 1005.824842] ? lookup_fast+0x1080/0x1080 [ 1005.866633] ? walk_component+0xda0/0xda0 [ 1005.870823] path_lookupat+0x1ff/0x8d0 [ 1005.874714] ? path_mountpoint+0xac0/0xac0 [ 1005.916664] ? io_schedule_timeout+0x140/0x140 [ 1005.921281] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1005.926041] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1005.976659] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1005.981449] filename_lookup+0x1ac/0x5a0 [ 1005.985505] ? filename_parentat+0x590/0x590 [ 1006.056618] ? __check_object_size+0x28c/0x3e0 [ 1006.061235] ? __phys_addr_symbol+0x2c/0x70 [ 1006.065560] ? __check_object_size+0x17b/0x3e0 [ 1006.126607] ? getname_flags+0x25b/0x590 [ 1006.130712] do_mount+0x147/0x2f50 [ 1006.134262] ? mark_held_locks+0xf0/0xf0 [ 1006.186599] ? copy_mount_string+0x40/0x40 [ 1006.190873] ? lock_downgrade+0x720/0x720 [ 1006.195021] ? lock_acquire+0x170/0x3c0 [ 1006.246627] ? finish_task_switch+0x118/0x760 [ 1006.251155] ? copy_mount_options+0x26f/0x380 [ 1006.255656] ksys_mount+0xcf/0x130 [ 1006.296664] __x64_sys_mount+0xba/0x150 [ 1006.300697] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1006.305280] do_syscall_64+0xf9/0x620 [ 1006.356624] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1006.361848] RIP: 0033:0x7fcb80b98c29 [ 1006.365562] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1006.506546] RSP: 002b:00007fcb80b242f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1006.514294] RAX: ffffffffffffffda RBX: 00007fcb80c1d4b0 RCX: 00007fcb80b98c29 [ 1006.566543] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1006.573844] RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000 [ 1006.626534] R10: 0000000000000004 R11: 0000000000000246 R12: 00007fcb80bea0c8 [ 1006.633829] R13: 00000000200011c0 R14: 000000807fffffff R15: 00007fcb80c1d4b8 [ 1006.696568] INFO: task syz-executor106:8136 blocked for more than 140 seconds. [ 1006.703960] Not tainted 4.19.211-syzkaller #0 [ 1006.736524] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1006.744517] syz-executor106 D28696 8136 8103 0x00000004 [ 1006.776519] Call Trace: [ 1006.779142] __schedule+0x887/0x2040 [ 1006.782861] ? io_schedule_timeout+0x140/0x140 [ 1006.816529] ? lock_downgrade+0x720/0x720 [ 1006.820709] ? mark_held_locks+0xa6/0xf0 [ 1006.824770] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 1006.876529] schedule+0x8d/0x1b0 [ 1006.879935] d_alloc_parallel+0x1292/0x19e0 [ 1006.884273] ? __d_lookup_rcu+0x6b0/0x6b0 [ 1006.926514] ? wake_up_q+0xe0/0xe0 [ 1006.930090] ? __lockdep_init_map+0x100/0x5a0 [ 1006.934586] ? __lockdep_init_map+0x100/0x5a0 [ 1006.976517] __lookup_slow+0x18d/0x4a0 [ 1006.980436] ? follow_dotdot_rcu+0x1040/0x1040 [ 1006.985021] ? lookup_fast+0x4e9/0x1080 [ 1007.026507] ? walk_component+0x798/0xda0 [ 1007.030691] walk_component+0x7ac/0xda0 [ 1007.034666] ? lookup_fast+0x1080/0x1080 [ 1007.076505] ? walk_component+0xda0/0xda0 [ 1007.080683] path_lookupat+0x1ff/0x8d0 [ 1007.084572] ? path_mountpoint+0xac0/0xac0 [ 1007.126497] ? __lock_acquire+0x6de/0x3ff0 [ 1007.130770] filename_lookup+0x1ac/0x5a0 [ 1007.134832] ? filename_parentat+0x590/0x590 [ 1007.176497] ? __phys_addr_symbol+0x2c/0x70 [ 1007.180849] ? __check_object_size+0x17b/0x3e0 [ 1007.185438] ? getname_flags+0x25b/0x590 [ 1007.226487] do_mount+0x147/0x2f50 [ 1007.230069] ? mark_held_locks+0xf0/0xf0 [ 1007.234137] ? lock_downgrade+0x720/0x720 [ 1007.286476] ? copy_mount_string+0x40/0x40 [ 1007.290745] ? __free_pages_ok+0x54d/0xd30 [ 1007.294984] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1007.336478] ? copy_mount_options+0x26f/0x380 [ 1007.341016] ksys_mount+0xcf/0x130 [ 1007.344556] __x64_sys_mount+0xba/0x150 [ 1007.386464] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1007.391075] do_syscall_64+0xf9/0x620 [ 1007.394878] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1007.436460] RIP: 0033:0x7fcb80b98c29 [ 1007.440205] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1007.546014] RSP: 002b:00007fcb80b242f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1007.586443] RAX: ffffffffffffffda RBX: 00007fcb80c1d4b0 RCX: 00007fcb80b98c29 [ 1007.626431] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1007.633731] RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000 [ 1007.676432] R10: 0000000000000004 R11: 0000000000000246 R12: 00007fcb80bea0c8 [ 1007.683734] R13: 00000000200011c0 R14: 000000807fffffff R15: 00007fcb80c1d4b8 [ 1007.746459] INFO: task syz-executor106:8140 blocked for more than 140 seconds. [ 1007.753845] Not tainted 4.19.211-syzkaller #0 [ 1007.806407] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1007.814491] syz-executor106 D27664 8140 8102 0x00000004 [ 1007.876397] Call Trace: [ 1007.879024] __schedule+0x887/0x2040 [ 1007.882743] ? io_schedule_timeout+0x140/0x140 [ 1007.936407] ? lock_downgrade+0x720/0x720 [ 1007.940585] ? mark_held_locks+0xa6/0xf0 [ 1007.944645] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 1007.996400] schedule+0x8d/0x1b0 [ 1007.999798] d_alloc_parallel+0x1292/0x19e0 [ 1008.004140] ? __d_lookup_rcu+0x6b0/0x6b0 [ 1008.046808] ? wake_up_q+0xe0/0xe0 [ 1008.050379] ? __lockdep_init_map+0x100/0x5a0 [ 1008.054872] ? __lockdep_init_map+0x100/0x5a0 [ 1008.106433] __lookup_slow+0x18d/0x4a0 [ 1008.106451] ? follow_dotdot_rcu+0x1040/0x1040 [ 1008.106471] ? lookup_fast+0x4e9/0x1080 [ 1008.106491] ? walk_component+0x798/0xda0 [ 1008.106511] walk_component+0x7ac/0xda0 [ 1008.106527] ? lookup_fast+0x1080/0x1080 [ 1008.226383] ? walk_component+0xda0/0xda0 [ 1008.230573] path_lookupat+0x1ff/0x8d0 [ 1008.234466] ? path_mountpoint+0xac0/0xac0 [ 1008.276388] filename_lookup+0x1ac/0x5a0 [ 1008.280481] ? filename_parentat+0x590/0x590 [ 1008.284896] ? __phys_addr_symbol+0x2c/0x70 [ 1008.326390] ? __check_object_size+0x17b/0x3e0 [ 1008.331004] ? getname_flags+0x25b/0x590 [ 1008.335073] do_mount+0x147/0x2f50 [ 1008.386368] ? mark_held_locks+0xf0/0xf0 [ 1008.390467] ? copy_mount_string+0x40/0x40 [ 1008.394706] ? lock_downgrade+0x720/0x720 [ 1008.446376] ? lock_acquire+0x170/0x3c0 [ 1008.450387] ? finish_task_switch+0x118/0x760 [ 1008.454886] ? copy_mount_options+0x26f/0x380 [ 1008.496369] ksys_mount+0xcf/0x130 [ 1008.499949] __x64_sys_mount+0xba/0x150 [ 1008.503924] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1008.546346] do_syscall_64+0xf9/0x620 [ 1008.550179] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1008.555362] RIP: 0033:0x7fcb80b98c29 [ 1008.596340] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1008.696361] RSP: 002b:00007fcb80b242f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1008.704104] RAX: ffffffffffffffda RBX: 00007fcb80c1d4b0 RCX: 00007fcb80b98c29 [ 1008.786312] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1008.793615] RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000 [ 1008.856307] R10: 0000000000000004 R11: 0000000000000246 R12: 00007fcb80bea0c8 [ 1008.863615] R13: 00000000200011c0 R14: 000000807fffffff R15: 00007fcb80c1d4b8 [ 1008.916370] INFO: task syz-executor106:8142 blocked for more than 140 seconds. [ 1008.923755] Not tainted 4.19.211-syzkaller #0 [ 1008.996294] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1009.004353] syz-executor106 D28712 8142 8106 0x00000004 [ 1009.046332] Call Trace: [ 1009.048967] __schedule+0x887/0x2040 [ 1009.052691] ? io_schedule_timeout+0x140/0x140 [ 1009.096299] ? lock_downgrade+0x720/0x720 [ 1009.100484] ? mark_held_locks+0xa6/0xf0 [ 1009.104636] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 1009.156456] schedule+0x8d/0x1b0 [ 1009.159836] d_alloc_parallel+0x1292/0x19e0 [ 1009.164165] ? __d_lookup_rcu+0x6b0/0x6b0 [ 1009.216288] ? wake_up_q+0xe0/0xe0 [ 1009.219860] ? __lockdep_init_map+0x100/0x5a0 [ 1009.224358] ? __lockdep_init_map+0x100/0x5a0 [ 1009.266310] __lookup_slow+0x18d/0x4a0 [ 1009.270233] ? follow_dotdot_rcu+0x1040/0x1040 [ 1009.274820] ? lookup_fast+0x4e9/0x1080 [ 1009.316286] ? walk_component+0x798/0xda0 [ 1009.320479] walk_component+0x7ac/0xda0 [ 1009.324456] ? lookup_fast+0x1080/0x1080 [ 1009.366476] ? walk_component+0xda0/0xda0 [ 1009.370650] path_lookupat+0x1ff/0x8d0 [ 1009.374542] ? path_mountpoint+0xac0/0xac0 [ 1009.416280] ? __lock_acquire+0x6de/0x3ff0 [ 1009.420567] filename_lookup+0x1ac/0x5a0 [ 1009.424631] ? filename_parentat+0x590/0x590 [ 1009.466305] ? __phys_addr_symbol+0x2c/0x70 [ 1009.470673] ? __check_object_size+0x17b/0x3e0 [ 1009.475265] ? getname_flags+0x25b/0x590 [ 1009.516267] do_mount+0x147/0x2f50 [ 1009.519848] ? mark_held_locks+0xf0/0xf0 [ 1009.523919] ? lock_downgrade+0x720/0x720 [ 1009.576413] ? copy_mount_string+0x40/0x40 [ 1009.580668] ? __free_pages_ok+0x54d/0xd30 [ 1009.584900] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1009.626294] ? copy_mount_options+0x26f/0x380 [ 1009.630822] ksys_mount+0xcf/0x130 [ 1009.634364] __x64_sys_mount+0xba/0x150 [ 1009.676246] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1009.680859] do_syscall_64+0xf9/0x620 [ 1009.684666] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1009.726256] RIP: 0033:0x7fcb80b98c29 [ 1009.730002] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1009.816206] RSP: 002b:00007fcb80b242f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1009.823944] RAX: ffffffffffffffda RBX: 00007fcb80c1d4b0 RCX: 00007fcb80b98c29 [ 1009.876202] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1009.883503] RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000 [ 1009.956205] R10: 0000000000000004 R11: 0000000000000246 R12: 00007fcb80bea0c8 [ 1009.963504] R13: 00000000200011c0 R14: 000000807fffffff R15: 00007fcb80c1d4b8 [ 1010.016253] INFO: task syz-executor106:8151 blocked for more than 140 seconds. [ 1010.023668] Not tainted 4.19.211-syzkaller #0 [ 1010.076217] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1010.084214] syz-executor106 D28712 8151 8104 0x00000004 [ 1010.136205] Call Trace: [ 1010.138830] __schedule+0x887/0x2040 [ 1010.142589] ? io_schedule_timeout+0x140/0x140 [ 1010.186193] ? lock_downgrade+0x720/0x720 [ 1010.190378] ? mark_held_locks+0xa6/0xf0 [ 1010.194441] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 1010.246189] schedule+0x8d/0x1b0 [ 1010.249588] d_alloc_parallel+0x1292/0x19e0 [ 1010.253929] ? __d_lookup_rcu+0x6b0/0x6b0 [ 1010.296211] ? wake_up_q+0xe0/0xe0 [ 1010.299790] ? __lockdep_init_map+0x100/0x5a0 [ 1010.304293] ? __lockdep_init_map+0x100/0x5a0 [ 1010.346181] __lookup_slow+0x18d/0x4a0 [ 1010.350102] ? follow_dotdot_rcu+0x1040/0x1040 [ 1010.354692] ? lookup_fast+0x4e9/0x1080 [ 1010.396208] ? walk_component+0x798/0xda0 [ 1010.400397] walk_component+0x7ac/0xda0 [ 1010.404377] ? lookup_fast+0x1080/0x1080 [ 1010.456209] ? walk_component+0xda0/0xda0 [ 1010.460411] path_lookupat+0x1ff/0x8d0 [ 1010.464310] ? path_mountpoint+0xac0/0xac0 [ 1010.516198] filename_lookup+0x1ac/0x5a0 [ 1010.520296] ? filename_parentat+0x590/0x590 [ 1010.524711] ? __phys_addr_symbol+0x2c/0x70 [ 1010.586149] ? __check_object_size+0x17b/0x3e0 [ 1010.590772] ? getname_flags+0x25b/0x590 [ 1010.594842] do_mount+0x147/0x2f50 [ 1010.646150] ? mark_held_locks+0xf0/0xf0 [ 1010.650252] ? copy_mount_string+0x40/0x40 [ 1010.654489] ? lock_downgrade+0x720/0x720 [ 1010.716162] ? lock_acquire+0x170/0x3c0 [ 1010.720193] ? finish_task_switch+0x118/0x760 [ 1010.724691] ? copy_mount_options+0x26f/0x380 [ 1010.786122] ksys_mount+0xcf/0x130 [ 1010.789700] __x64_sys_mount+0xba/0x150 [ 1010.793678] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1010.846137] do_syscall_64+0xf9/0x620 [ 1010.849983] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1010.855175] RIP: 0033:0x7fcb80b98c29 [ 1010.916147] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 1010.996095] RSP: 002b:00007fcb80b242f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1011.003834] RAX: ffffffffffffffda RBX: 00007fcb80c1d4b0 RCX: 00007fcb80b98c29 [ 1011.086081] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1011.093382] RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000 [ 1011.136089] R10: 0000000000000004 R11: 0000000000000246 R12: 00007fcb80bea0c8 [ 1011.143387] R13: 00000000200011c0 R14: 000000807fffffff R15: 00007fcb80c1d4b8 [ 1011.196111] [ 1011.196111] Showing all locks held in the system: [ 1011.202466] 1 lock held by khungtaskd/1570: [ 1011.256068] #0: 000000009c8c953a (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 1011.306073] 1 lock held by kswapd0/1968: [ 1011.310164] 1 lock held by kswapd1/1969: [ 1011.314241] 1 lock held by in:imklog/7747: [ 1011.356083] #0: 000000008723a080 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 [ 1011.364113] 1 lock held by syz-executor106/8111: [ 1011.406059] 1 lock held by syz-executor106/8134: [ 1011.410838] #0: 00000000467baf6d (&type->i_mutex_dir_key#7){.+.+}, at: walk_component+0x798/0xda0 [ 1011.466232] 2 locks held by syz-executor106/8119: [ 1011.471090] 1 lock held by syz-executor106/8138: [ 1011.475856] #0: 00000000367b3ef2 (&type->i_mutex_dir_key#7){.+.+}, at: walk_component+0x798/0xda0 [ 1011.566056] 2 locks held by syz-executor106/8112: [ 1011.570926] 1 lock held by syz-executor106/8136: [ 1011.575670] #0: 00000000493ba0f7 (&type->i_mutex_dir_key#7){.+.+}, at: walk_component+0x798/0xda0 [ 1011.636065] 1 lock held by syz-executor106/8120: [ 1011.640847] 1 lock held by syz-executor106/8140: [ 1011.645593] #0: 0000000050970ca5 (&type->i_mutex_dir_key#7){.+.+}, at: walk_component+0x798/0xda0 [ 1011.706029] 1 lock held by syz-executor106/8125: [ 1011.710806] 1 lock held by syz-executor106/8142: [ 1011.715548] #0: 00000000e8b3b783 (&type->i_mutex_dir_key#7){.+.+}, at: walk_component+0x798/0xda0 [ 1011.786018] 1 lock held by syz-executor106/8146: [ 1011.790799] 1 lock held by syz-executor106/8151: [ 1011.795541] #0: 00000000ce5fd961 (&type->i_mutex_dir_key#7){.+.+}, at: walk_component+0x798/0xda0 [ 1011.866051] [ 1011.867703] ============================================= [ 1011.867703] [ 1011.874707] NMI backtrace for cpu 1 [ 1011.878404] CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 1011.885850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1011.895197] Call Trace: [ 1011.897787] dump_stack+0x1fc/0x2ef [ 1011.901421] nmi_cpu_backtrace.cold+0x63/0xa2 [ 1011.905912] ? lapic_can_unplug_cpu+0x80/0x80 [ 1011.910404] nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 [ 1011.915685] watchdog+0x991/0xe60 [ 1011.919143] ? reset_hung_task_detector+0x30/0x30 [ 1011.923984] kthread+0x33f/0x460 [ 1011.927344] ? kthread_park+0x180/0x180 [ 1011.931317] ret_from_fork+0x24/0x30 [ 1011.935147] Sending NMI from CPU 1 to CPUs 0: [ 1011.940543] NMI backtrace for cpu 0 [ 1011.940549] CPU: 0 PID: 1968 Comm: kswapd0 Not tainted 4.19.211-syzkaller #0 [ 1011.940555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1011.940559] RIP: 0010:deref_stack_reg+0xe/0x1d0 [ 1011.940570] Code: ff ff ff 4c 89 ef e8 21 e6 6e 00 0f b6 44 24 04 eb a0 66 2e 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 41 56 41 55 <49> 89 d5 41 54 49 89 fc 55 48 89 f5 53 48 83 ec 68 48 c7 44 24 08 [ 1011.940574] RSP: 0018:ffff8880b0d7f168 EFLAGS: 00000046 [ 1011.940581] RAX: dffffc0000000000 RBX: 1ffff110161afe39 RCX: ffff8880b0d7f660 [ 1011.940586] RDX: ffff8880b0d7f2f8 RSI: ffff8880b0d7f688 RDI: ffff8880b0d7f2b0 [ 1011.940591] RBP: 0000000000000001 R08: ffffffff8b97baf4 R09: ffffffff8b97bacc [ 1011.940596] R10: ffff8880b0d7f30f R11: 0000000000074071 R12: ffff8880b0d7f2f8 [ 1011.940601] R13: ffff8880b0d7f2e5 R14: ffff8880b0d7f2b0 R15: ffffffff8b97baf0 [ 1011.940607] FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 1011.940611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1011.940616] CR2: 00007fd34d1d1000 CR3: 00000000a085a000 CR4: 00000000003406f0 [ 1011.940621] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1011.940626] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1011.940629] Call Trace: [ 1011.940633] unwind_next_frame+0x9fc/0x1400 [ 1011.940636] ? try_to_release_page+0x263/0x390 [ 1011.940640] ? deref_stack_reg+0x1d0/0x1d0 [ 1011.940643] ? __unwind_start+0x5b8/0x960 [ 1011.940647] ? unwind_next_frame+0x1400/0x1400 [ 1011.940651] ? set_next_entity+0xb52/0x1dc0 [ 1011.940654] ? try_to_release_page+0x263/0x390 [ 1011.940658] __save_stack_trace+0x9f/0x190 [ 1011.940662] ? try_to_release_page+0x263/0x390 [ 1011.940665] __kasan_slab_free+0x126/0x1f0 [ 1011.940669] ? kmem_cache_free+0x7f/0x260 [ 1011.940672] ? free_buffer_head+0x4a/0xf0 [ 1011.940676] ? try_to_free_buffers+0x38b/0x5d0 [ 1011.940680] ? try_to_release_page+0x263/0x390 [ 1011.940683] ? shrink_page_list+0x3abc/0x59d0 [ 1011.940686] ? shrink_inactive_list+0x4f4/0x1820 [ 1011.940689] ? shrink_node_memcg+0x5b9/0x1450 [ 1011.940692] ? shrink_node.isra.0+0x25d/0x1300 [ 1011.940695] ? kswapd+0xb8d/0x1840 [ 1011.940697] ? kthread+0x33f/0x460 [ 1011.940700] ? ret_from_fork+0x24/0x30 [ 1011.940703] ? __lock_acquire+0x6de/0x3ff0 [ 1011.940707] ? debug_check_no_obj_freed+0x201/0x490 [ 1011.940709] ? lock_downgrade+0x720/0x720 [ 1011.940712] ? lock_acquire+0x170/0x3c0 [ 1011.940715] ? debug_check_no_obj_freed+0xb5/0x490 [ 1011.940718] ? trace_hardirqs_off+0x64/0x200 [ 1011.940721] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 1011.940724] ? debug_check_no_obj_freed+0x201/0x490 [ 1011.940727] ? free_buffer_head+0x4a/0xf0 [ 1011.940730] kmem_cache_free+0x7f/0x260 [ 1011.940732] free_buffer_head+0x4a/0xf0 [ 1011.940735] try_to_free_buffers+0x38b/0x5d0 [ 1011.940738] ? free_buffer_head+0xf0/0xf0 [ 1011.940741] ? invalid_page_referenced_vma+0x500/0x500 [ 1011.940744] ? page_get_anon_vma+0x490/0x490 [ 1011.940748] ? check_preemption_disabled+0x41/0x280 [ 1011.940750] try_to_release_page+0x263/0x390 [ 1011.940753] shrink_page_list+0x3abc/0x59d0 [ 1011.940756] ? page_evictable+0x320/0x320 [ 1011.940759] ? shrink_inactive_list+0x4aa/0x1820 [ 1011.940762] ? _raw_spin_unlock_irq+0x24/0x80 [ 1011.940765] shrink_inactive_list+0x4f4/0x1820 [ 1011.940769] ? putback_inactive_pages+0x15b0/0x15b0 [ 1011.940772] shrink_node_memcg+0x5b9/0x1450 [ 1011.940775] ? shrink_active_list+0x1200/0x1200 [ 1011.940778] ? check_preemption_disabled+0x41/0x280 [ 1011.940781] ? mem_cgroup_iter+0x529/0xd90 [ 1011.940784] shrink_node.isra.0+0x25d/0x1300 [ 1011.940787] ? mem_cgroup_shrink_node+0x6d0/0x6d0 [ 1011.940789] ? cpumask_next+0x3c/0x40 [ 1011.940792] ? __zone_watermark_ok+0x206/0x300 [ 1011.940794] kswapd+0xb8d/0x1840 [ 1011.940797] ? shrink_all_memory+0x2f0/0x2f0 [ 1011.940800] ? finish_task_switch+0x1db/0x760 [ 1011.940803] ? __kthread_parkme+0xad/0x1e0 [ 1011.940806] ? wait_woken+0x250/0x250 [ 1011.940808] ? lock_downgrade+0x720/0x720 [ 1011.940811] ? lock_acquire+0x170/0x3c0 [ 1011.940814] ? __kthread_parkme+0x5d/0x1e0 [ 1011.940817] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 1011.940820] ? __kthread_parkme+0x133/0x1e0 [ 1011.940823] ? shrink_all_memory+0x2f0/0x2f0 [ 1011.940826] kthread+0x33f/0x460 [ 1011.940828] ? kthread_park+0x180/0x180 [ 1011.940831] ret_from_fork+0x24/0x30 [ 1012.156018] Kernel panic - not syncing: hung_task: blocked tasks [ 1012.358328] CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 1012.365763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 1012.375107] Call Trace: [ 1012.377697] dump_stack+0x1fc/0x2ef [ 1012.381324] panic+0x26a/0x50e [ 1012.384519] ? __warn_printk+0xf3/0xf3 [ 1012.388494] ? lapic_can_unplug_cpu+0x80/0x80 [ 1012.392985] ? ___preempt_schedule+0x16/0x18 [ 1012.397392] ? watchdog+0x991/0xe60 [ 1012.401018] ? nmi_trigger_cpumask_backtrace+0x15e/0x1f0 [ 1012.406491] watchdog+0x9a2/0xe60 [ 1012.409949] ? reset_hung_task_detector+0x30/0x30 [ 1012.414789] kthread+0x33f/0x460 [ 1012.418150] ? kthread_park+0x180/0x180 [ 1012.422123] ret_from_fork+0x24/0x30 [ 1012.426124] Kernel Offset: disabled [ 1012.429749] Rebooting in 86400 seconds..