Warning: Permanently added '10.128.0.133' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 854.271530] attempt to access beyond end of device [ 854.281931] attempt to access beyond end of device [ 854.288346] attempt to access beyond end of device [ 854.294740] loop1: rw=0, want=779889142, limit=272 [ 854.299923] loop3: rw=0, want=779889142, limit=272 [ 854.307586] loop0: rw=0, want=779889142, limit=272 [ 854.317250] Buffer I/O error on dev loop1, logical block 389944570, async page read [ 854.324220] Buffer I/O error on dev loop3, logical block 389944570, async page read [ 854.329869] attempt to access beyond end of device [ 854.338174] attempt to access beyond end of device [ 854.340473] attempt to access beyond end of device [ 854.349184] loop4: rw=0, want=779889142, limit=272 [ 854.351868] Buffer I/O error on dev loop0, logical block 389944570, async page read [ 854.355500] Buffer I/O error on dev loop4, logical block 389944570, async page read [ 854.371513] loop1: rw=0, want=2840400512, limit=272 [ 854.378267] Buffer I/O error on dev loop1, logical block 1420200255, async page read [ 854.383943] attempt to access beyond end of device [ 854.388071] attempt to access beyond end of device [ 854.391559] loop0: rw=0, want=2840400512, limit=272 [ 854.397610] attempt to access beyond end of device [ 854.405741] attempt to access beyond end of device [ 854.407696] loop1: rw=0, want=6265945890, limit=272 [ 854.411665] loop2: rw=0, want=779889142, limit=272 [ 854.417377] loop4: rw=0, want=2840400512, limit=272 [ 854.428060] attempt to access beyond end of device [ 854.428564] Buffer I/O error on dev loop2, logical block 389944570, async page read [ 854.433284] Buffer I/O error on dev loop1, logical block 3132972944, async page read [ 854.443288] Buffer I/O error on dev loop0, logical block 1420200255, async page read [ 854.450792] Buffer I/O error on dev loop4, logical block 1420200255, async page read [ 854.457283] loop5: rw=0, want=779889142, limit=272 [ 854.465955] loop3: rw=0, want=2840400512, limit=272 [ 854.475843] Buffer I/O error on dev loop3, logical block 1420200255, async page read [ 854.484710] attempt to access beyond end of device [ 854.490286] attempt to access beyond end of device [ 854.493654] attempt to access beyond end of device [ 854.498296] attempt to access beyond end of device [ 854.504992] loop5: rw=0, want=2840400512, limit=272 [ 854.505545] loop1: rw=0, want=5341850070, limit=272 [ 854.516015] loop4: rw=0, want=6265945890, limit=272 [ 854.520718] attempt to access beyond end of device [ 854.521375] attempt to access beyond end of device [ 854.531246] loop3: rw=0, want=6265945890, limit=272 [ 854.531571] attempt to access beyond end of device [ 854.536629] attempt to access beyond end of device [ 854.546666] loop2: rw=0, want=2840400512, limit=272 [ 854.551793] loop0: rw=0, want=6265945890, limit=272 [ 854.551847] attempt to access beyond end of device [ 854.557361] attempt to access beyond end of device [ 854.566676] attempt to access beyond end of device [ 854.567267] loop4: rw=0, want=5341850070, limit=272 [ 854.573207] loop5: rw=0, want=6265945890, limit=272 [ 854.577335] attempt to access beyond end of device [ 854.587478] loop3: rw=0, want=5341850070, limit=272 [ 854.592247] attempt to access beyond end of device [ 854.597885] attempt to access beyond end of device [ 854.601165] loop0: rw=0, want=5341850070, limit=272 [ 854.603456] attempt to access beyond end of device [ 854.611463] loop1: rw=0, want=1421804706, limit=272 [ 854.615579] loop2: rw=0, want=6265945890, limit=272 [ 854.623712] attempt to access beyond end of device [ 854.629335] loop3: rw=0, want=1421804706, limit=272 [ 854.630750] loop5: rw=0, want=5341850070, limit=272 [ 854.636572] loop4: rw=0, want=1421804706, limit=272 [ 854.644778] attempt to access beyond end of device [ 854.646897] loop2: rw=0, want=5341850070, limit=272 [ 854.651381] attempt to access beyond end of device [ 854.656471] attempt to access beyond end of device [ 854.669358] attempt to access beyond end of device [ 854.669585] attempt to access beyond end of device [ 854.676571] attempt to access beyond end of device [ 854.683570] loop1: rw=0, want=4919069900, limit=272 [ 854.685630] loop3: rw=0, want=4919069900, limit=272 [ 854.693461] attempt to access beyond end of device [ 854.695707] loop4: rw=0, want=4919069900, limit=272 [ 854.700042] loop0: rw=0, want=1421804706, limit=272 [ 854.706299] loop2: rw=0, want=1421804706, limit=272 [ 854.711534] loop1: rw=0, want=2761009532, limit=272 [ 854.716694] attempt to access beyond end of device [ 854.726095] attempt to access beyond end of device [ 854.731413] loop4: rw=0, want=2761009532, limit=272 [ 854.736986] loop5: rw=0, want=1421804706, limit=272 [ 854.738564] attempt to access beyond end of device [ 854.742048] attempt to access beyond end of device [ 854.742061] loop5: rw=0, want=4919069900, limit=272 [ 854.742090] attempt to access beyond end of device [ 854.742099] loop5: rw=0, want=2761009532, limit=272 [ 854.748307] attempt to access beyond end of device [ 854.756549] loop3: rw=0, want=2761009532, limit=272 [ 854.777972] loop0: rw=0, want=4919069900, limit=272 [ 854.786706] loop2: rw=0, want=4919069900, limit=272 [ 854.802085] attempt to access beyond end of device [ 854.809482] attempt to access beyond end of device [ 854.821500] loop2: rw=0, want=2761009532, limit=272 [ 854.831141] loop0: rw=0, want=2761009532, limit=272 [ 1005.623529] INFO: task syz-executor160:8141 blocked for more than 140 seconds. [ 1005.631106] Not tainted 4.19.164-syzkaller #0 [ 1005.663339] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1005.671366] syz-executor160 D29920 8141 8114 0x00000004 [ 1005.733315] Call Trace: [ 1005.735977] __schedule+0x887/0x2040 [ 1005.739700] ? io_schedule_timeout+0x140/0x140 [ 1005.783350] ? mark_held_locks+0xa6/0xf0 [ 1005.787484] ? rwsem_down_write_failed+0x3a5/0x760 [ 1005.792420] schedule+0x8d/0x1b0 [ 1005.843333] rwsem_down_write_failed+0x3aa/0x760 [ 1005.848164] ? rwsem_down_read_failed_killable+0x580/0x580 [ 1005.883373] call_rwsem_down_write_failed+0x13/0x20 [ 1005.888460] ? __lock_acquire+0x2853/0x3ff0 [ 1005.892796] down_write+0x4f/0x90 [ 1005.933991] ? vfs_setxattr+0xc7/0x270 [ 1005.937933] vfs_setxattr+0xc7/0x270 [ 1005.941652] ? __vfs_setxattr_locked+0x250/0x250 [ 1005.983355] ? strncpy_from_user+0x2a2/0x350 [ 1005.987853] setxattr+0x23d/0x330 [ 1005.991314] ? vfs_setxattr+0x270/0x270 [ 1006.033292] ? lock_downgrade+0x720/0x720 [ 1006.037497] ? check_preemption_disabled+0x41/0x280 [ 1006.042516] ? check_preemption_disabled+0x41/0x280 [ 1006.083302] ? check_preemption_disabled+0x41/0x280 [ 1006.088384] ? preempt_count_add+0xaf/0x190 [ 1006.092712] ? __mnt_want_write+0x22c/0x2c0 [ 1006.143299] __se_sys_fsetxattr+0x14d/0x1b0 [ 1006.147682] do_syscall_64+0xf9/0x620 [ 1006.151491] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1006.203295] RIP: 0033:0x44aed9 [ 1006.206544] Code: dd c9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 ab c9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1006.293234] RSP: 002b:00007f5ba13edd98 EFLAGS: 00000246 ORIG_RAX: 00000000000000be [ 1006.301021] RAX: ffffffffffffffda RBX: 00000000006ddc38 RCX: 000000000044aed9 [ 1006.353236] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000005 [ 1006.360568] RBP: 00000000006ddc30 R08: 0000000000000000 R09: 0000000000000000 [ 1006.403246] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc3c [ 1006.410575] R13: 000000807fffffff R14: 0000000000440001 R15: 0001000000000400 [ 1006.493315] INFO: task syz-executor160:8142 blocked for more than 140 seconds. [ 1006.500736] Not tainted 4.19.164-syzkaller #0 [ 1006.543222] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1006.551326] syz-executor160 D30104 8142 8112 0x00000004 [ 1006.573195] Call Trace: [ 1006.575861] __schedule+0x887/0x2040 [ 1006.579589] ? io_schedule_timeout+0x140/0x140 [ 1006.623478] ? mark_held_locks+0xa6/0xf0 [ 1006.627610] ? rwsem_down_write_failed+0x3a5/0x760 [ 1006.632545] schedule+0x8d/0x1b0 [ 1006.683246] rwsem_down_write_failed+0x3aa/0x760 [ 1006.688090] ? rwsem_down_read_failed_killable+0x580/0x580 [ 1006.733219] call_rwsem_down_write_failed+0x13/0x20 [ 1006.738331] down_write+0x4f/0x90 [ 1006.741832] ? vfs_setxattr+0xc7/0x270 [ 1006.793214] vfs_setxattr+0xc7/0x270 [ 1006.797024] ? __vfs_setxattr_locked+0x250/0x250 [ 1006.801796] ? strncpy_from_user+0x2a2/0x350 [ 1006.843230] setxattr+0x23d/0x330 [ 1006.846736] ? vfs_setxattr+0x270/0x270 [ 1006.850731] ? lock_downgrade+0x720/0x720 [ 1006.893196] ? check_preemption_disabled+0x41/0x280 [ 1006.898438] ? check_preemption_disabled+0x41/0x280 [ 1006.953171] ? check_preemption_disabled+0x41/0x280 [ 1006.958278] ? preempt_count_add+0xaf/0x190 [ 1006.962617] ? __mnt_want_write+0x22c/0x2c0 [ 1007.003215] __se_sys_fsetxattr+0x14d/0x1b0 [ 1007.007617] do_syscall_64+0xf9/0x620 [ 1007.011427] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1007.073156] RIP: 0033:0x44aed9 [ 1007.076446] Code: dd c9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 ab c9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1007.183131] RSP: 002b:00007f5ba13edd98 EFLAGS: 00000246 ORIG_RAX: 00000000000000be [ 1007.190908] RAX: ffffffffffffffda RBX: 00000000006ddc38 RCX: 000000000044aed9 [ 1007.243119] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000005 [ 1007.250464] RBP: 00000000006ddc30 R08: 0000000000000000 R09: 0000000000000000 [ 1007.313109] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc3c [ 1007.351990] R13: 000000807fffffff R14: 0000000000440001 R15: 0001000000000400 [ 1007.393147] INFO: task syz-executor160:8145 blocked for more than 140 seconds. [ 1007.400587] Not tainted 4.19.164-syzkaller #0 [ 1007.443089] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1007.451138] syz-executor160 D29656 8145 8111 0x00000004 [ 1007.503074] Call Trace: [ 1007.505741] __schedule+0x887/0x2040 [ 1007.509471] ? io_schedule_timeout+0x140/0x140 [ 1007.563096] ? mark_held_locks+0xa6/0xf0 [ 1007.567224] ? rwsem_down_write_failed+0x3a5/0x760 [ 1007.572161] schedule+0x8d/0x1b0 [ 1007.613087] rwsem_down_write_failed+0x3aa/0x760 [ 1007.617918] ? rwsem_down_read_failed_killable+0x580/0x580 [ 1007.653074] ? __lock_acquire+0x6de/0x3ff0 [ 1007.657389] call_rwsem_down_write_failed+0x13/0x20 [ 1007.662420] down_write+0x4f/0x90 [ 1007.703113] ? vfs_setxattr+0xc7/0x270 [ 1007.707059] vfs_setxattr+0xc7/0x270 [ 1007.710780] ? __vfs_setxattr_locked+0x250/0x250 [ 1007.763069] ? strncpy_from_user+0x2a2/0x350 [ 1007.767583] setxattr+0x23d/0x330 [ 1007.771068] ? vfs_setxattr+0x270/0x270 [ 1007.823082] ? lock_downgrade+0x720/0x720 [ 1007.827301] ? check_preemption_disabled+0x41/0x280 [ 1007.832322] ? check_preemption_disabled+0x41/0x280 [ 1007.883089] ? check_preemption_disabled+0x41/0x280 [ 1007.883115] ? preempt_count_add+0xaf/0x190 [ 1007.883130] ? __mnt_want_write+0x22c/0x2c0 [ 1007.883148] __se_sys_fsetxattr+0x14d/0x1b0 [ 1007.883166] do_syscall_64+0xf9/0x620 [ 1007.883182] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1007.883196] RIP: 0033:0x44aed9 [ 1007.883208] Code: dd c9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 ab c9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1007.883214] RSP: 002b:00007f5ba13edd98 EFLAGS: 00000246 ORIG_RAX: 00000000000000be [ 1008.133036] RAX: ffffffffffffffda RBX: 00000000006ddc38 RCX: 000000000044aed9 [ 1008.140356] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000005 [ 1008.202992] RBP: 00000000006ddc30 R08: 0000000000000000 R09: 0000000000000000 [ 1008.210322] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc3c [ 1008.263059] R13: 000000807fffffff R14: 0000000000440001 R15: 0001000000000400 [ 1008.313023] INFO: task syz-executor160:8149 blocked for more than 140 seconds. [ 1008.320436] Not tainted 4.19.164-syzkaller #0 [ 1008.372965] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1008.381024] syz-executor160 D30104 8149 8113 0x00000004 [ 1008.452932] Call Trace: [ 1008.455591] __schedule+0x887/0x2040 [ 1008.459316] ? io_schedule_timeout+0x140/0x140 [ 1008.513141] ? mark_held_locks+0xa6/0xf0 [ 1008.517232] ? rwsem_down_write_failed+0x3a5/0x760 [ 1008.522166] schedule+0x8d/0x1b0 [ 1008.562970] rwsem_down_write_failed+0x3aa/0x760 [ 1008.567803] ? rwsem_down_read_failed_killable+0x580/0x580 [ 1008.603679] call_rwsem_down_write_failed+0x13/0x20 [ 1008.608773] down_write+0x4f/0x90 [ 1008.612320] ? vfs_setxattr+0xc7/0x270 [ 1008.672503] vfs_setxattr+0xc7/0x270 [ 1008.692973] ? __vfs_setxattr_locked+0x250/0x250 [ 1008.697814] ? strncpy_from_user+0x2a2/0x350 [ 1008.702231] setxattr+0x23d/0x330 [ 1008.752964] ? vfs_setxattr+0x270/0x270 [ 1008.757048] ? lock_downgrade+0x720/0x720 [ 1008.761244] ? check_preemption_disabled+0x41/0x280 [ 1008.812923] ? check_preemption_disabled+0x41/0x280 [ 1008.818010] ? check_preemption_disabled+0x41/0x280 [ 1008.852933] ? preempt_count_add+0xaf/0x190 [ 1008.857331] ? __mnt_want_write+0x22c/0x2c0 [ 1008.861664] __se_sys_fsetxattr+0x14d/0x1b0 [ 1008.902941] do_syscall_64+0xf9/0x620 [ 1008.906816] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1008.912010] RIP: 0033:0x44aed9 [ 1008.952901] Code: dd c9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 ab c9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1009.032866] RSP: 002b:00007f5ba13edd98 EFLAGS: 00000246 ORIG_RAX: 00000000000000be [ 1009.040637] RAX: ffffffffffffffda RBX: 00000000006ddc38 RCX: 000000000044aed9 [ 1009.082891] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000005 [ 1009.090225] RBP: 00000000006ddc30 R08: 0000000000000000 R09: 0000000000000000 [ 1009.162883] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc3c [ 1009.170223] R13: 000000807fffffff R14: 0000000000440001 R15: 0001000000000400 [ 1009.212936] INFO: task syz-executor160:8150 blocked for more than 140 seconds. [ 1009.220553] Not tainted 4.19.164-syzkaller #0 [ 1009.262863] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1009.270899] syz-executor160 D30104 8150 8115 0x00000004 [ 1009.319423] Call Trace: [ 1009.322061] __schedule+0x887/0x2040 [ 1009.352875] ? io_schedule_timeout+0x140/0x140 [ 1009.357525] ? mark_held_locks+0xa6/0xf0 [ 1009.361599] ? rwsem_down_write_failed+0x3a5/0x760 [ 1009.402862] schedule+0x8d/0x1b0 [ 1009.406310] rwsem_down_write_failed+0x3aa/0x760 [ 1009.411083] ? rwsem_down_read_failed_killable+0x580/0x580 [ 1009.462857] call_rwsem_down_write_failed+0x13/0x20 [ 1009.467959] down_write+0x4f/0x90 [ 1009.471421] ? vfs_setxattr+0xc7/0x270 [ 1009.532835] vfs_setxattr+0xc7/0x270 [ 1009.536618] ? __vfs_setxattr_locked+0x250/0x250 [ 1009.541394] ? strncpy_from_user+0x2a2/0x350 [ 1009.592831] setxattr+0x23d/0x330 [ 1009.596360] ? vfs_setxattr+0x270/0x270 [ 1009.600348] ? lock_downgrade+0x720/0x720 [ 1009.643519] ? check_preemption_disabled+0x41/0x280 [ 1009.648606] ? check_preemption_disabled+0x41/0x280 [ 1009.682839] ? check_preemption_disabled+0x41/0x280 [ 1009.687944] ? preempt_count_add+0xaf/0x190 [ 1009.692274] ? __mnt_want_write+0x22c/0x2c0 [ 1009.732844] __se_sys_fsetxattr+0x14d/0x1b0 [ 1009.737354] do_syscall_64+0xf9/0x620 [ 1009.741183] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1009.812801] RIP: 0033:0x44aed9 [ 1009.816066] Code: dd c9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 ab c9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1009.912810] RSP: 002b:00007f5ba13edd98 EFLAGS: 00000246 ORIG_RAX: 00000000000000be [ 1009.920610] RAX: ffffffffffffffda RBX: 00000000006ddc38 RCX: 000000000044aed9 [ 1010.002768] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000005 [ 1010.010115] RBP: 00000000006ddc30 R08: 0000000000000000 R09: 0000000000000000 [ 1010.062731] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc3c [ 1010.070064] R13: 000000807fffffff R14: 0000000000440001 R15: 0001000000000400 [ 1010.132797] INFO: task syz-executor160:8151 blocked for more than 140 seconds. [ 1010.140220] Not tainted 4.19.164-syzkaller #0 [ 1010.182712] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1010.190762] syz-executor160 D30104 8151 8116 0x00000004 [ 1010.230851] Call Trace: [ 1010.262795] __schedule+0x887/0x2040 [ 1010.266585] ? io_schedule_timeout+0x140/0x140 [ 1010.271179] ? mark_held_locks+0xa6/0xf0 [ 1010.312745] ? rwsem_down_write_failed+0x3a5/0x760 [ 1010.317731] schedule+0x8d/0x1b0 [ 1010.352737] rwsem_down_write_failed+0x3aa/0x760 [ 1010.357559] ? rwsem_down_read_failed_killable+0x580/0x580 [ 1010.392759] call_rwsem_down_write_failed+0x13/0x20 [ 1010.397838] down_write+0x4f/0x90 [ 1010.401297] ? vfs_setxattr+0xc7/0x270 [ 1010.452709] vfs_setxattr+0xc7/0x270 [ 1010.456493] ? __vfs_setxattr_locked+0x250/0x250 [ 1010.461264] ? strncpy_from_user+0x2a2/0x350 [ 1010.542673] setxattr+0x23d/0x330 [ 1010.546188] ? vfs_setxattr+0x270/0x270 [ 1010.550181] ? lock_downgrade+0x720/0x720 [ 1010.592742] ? check_preemption_disabled+0x41/0x280 [ 1010.597848] ? check_preemption_disabled+0x41/0x280 [ 1010.632740] ? check_preemption_disabled+0x41/0x280 [ 1010.637825] ? preempt_count_add+0xaf/0x190 [ 1010.642155] ? __mnt_want_write+0x22c/0x2c0 [ 1010.692736] __se_sys_fsetxattr+0x14d/0x1b0 [ 1010.697134] do_syscall_64+0xf9/0x620 [ 1010.700952] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1010.752742] RIP: 0033:0x44aed9 [ 1010.756011] Code: dd c9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 ab c9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1010.862648] RSP: 002b:00007f5ba13edd98 EFLAGS: 00000246 ORIG_RAX: 00000000000000be [ 1010.870425] RAX: ffffffffffffffda RBX: 00000000006ddc38 RCX: 000000000044aed9 [ 1010.942666] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000005 [ 1010.950029] RBP: 00000000006ddc30 R08: 0000000000000000 R09: 0000000000000000 [ 1011.002640] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc3c [ 1011.009978] R13: 000000807fffffff R14: 0000000000440001 R15: 0001000000000400 [ 1011.083348] [ 1011.083348] Showing all locks held in the system: [ 1011.089738] 1 lock held by khungtaskd/1559: [ 1011.142598] #0: 000000001db7e07b (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 1011.151269] 1 lock held by kswapd0/1961: [ 1011.182639] 1 lock held by in:imklog/7794: [ 1011.186919] #0: 0000000003b363bb (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 [ 1011.232604] 3 locks held by syz-executor160/8119: [ 1011.237513] 2 locks held by syz-executor160/8141: [ 1011.242349] #0: 0000000082258f4f (sb_writers#11){.+.+}, at: mnt_want_write_file+0x63/0x1d0 [ 1011.312567] #1: 000000000c33c953 (&type->i_mutex_dir_key#8){+.+.}, at: vfs_setxattr+0xc7/0x270 [ 1011.352572] 3 locks held by syz-executor160/8122: [ 1011.357463] 2 locks held by syz-executor160/8142: [ 1011.362298] #0: 00000000a81f65b3 (sb_writers#11){.+.+}, at: mnt_want_write_file+0x63/0x1d0 [ 1011.432539] #1: 0000000033ce351a (&type->i_mutex_dir_key#8){+.+.}, at: vfs_setxattr+0xc7/0x270 [ 1011.441469] 3 locks held by syz-executor160/8125: [ 1011.482563] 2 locks held by syz-executor160/8145: [ 1011.487448] #0: 00000000963c20c9 (sb_writers#11){.+.+}, at: mnt_want_write_file+0x63/0x1d0 [ 1011.532529] #1: 0000000007add88b (&type->i_mutex_dir_key#8){+.+.}, at: vfs_setxattr+0xc7/0x270 [ 1011.541464] 4 locks held by syz-executor160/8134: [ 1011.592539] 2 locks held by syz-executor160/8149: [ 1011.597433] #0: 000000002342ac1b (sb_writers#11){.+.+}, at: mnt_want_write_file+0x63/0x1d0 [ 1011.652516] #1: 000000000f8c56c3 (&type->i_mutex_dir_key#8){+.+.}, at: vfs_setxattr+0xc7/0x270 [ 1011.692525] 3 locks held by syz-executor160/8136: [ 1011.697421] 2 locks held by syz-executor160/8150: [ 1011.702258] #0: 00000000e7f38593 (sb_writers#11){.+.+}, at: mnt_want_write_file+0x63/0x1d0 [ 1011.772501] #1: 00000000925418c5 (&type->i_mutex_dir_key#8){+.+.}, at: vfs_setxattr+0xc7/0x270 [ 1011.781435] 4 locks held by syz-executor160/8138: [ 1011.822547] 2 locks held by syz-executor160/8151: [ 1011.827462] #0: 00000000a8cbedf8 (sb_writers#11){.+.+}, at: mnt_want_write_file+0x63/0x1d0 [ 1011.882483] #1: 0000000071bf2fab (&type->i_mutex_dir_key#8){+.+.}, at: vfs_setxattr+0xc7/0x270 [ 1011.891540] [ 1011.932569] ============================================= [ 1011.932569] [ 1011.939663] NMI backtrace for cpu 1 [ 1011.943390] CPU: 1 PID: 1559 Comm: khungtaskd Not tainted 4.19.164-syzkaller #0 [ 1011.950840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1011.960198] Call Trace: [ 1011.962796] dump_stack+0x1fc/0x2fe [ 1011.966434] nmi_cpu_backtrace.cold+0x63/0xa2 [ 1011.970934] ? lapic_can_unplug_cpu.cold+0x39/0x39 [ 1011.975880] nmi_trigger_cpumask_backtrace+0x1a6/0x1eb [ 1011.981165] watchdog+0x991/0xe60 [ 1011.984637] ? reset_hung_task_detector+0x30/0x30 [ 1011.989484] kthread+0x33f/0x460 [ 1011.992848] ? kthread_park+0x180/0x180 [ 1011.996827] ret_from_fork+0x24/0x30 [ 1012.000692] Sending NMI from CPU 1 to CPUs 0: [ 1012.006207] NMI backtrace for cpu 0 [ 1012.006213] CPU: 0 PID: 8122 Comm: syz-executor160 Not tainted 4.19.164-syzkaller #0 [ 1012.006218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1012.006222] RIP: 0010:do_raw_spin_lock+0xd7/0x220 [ 1012.006231] Code: 55 08 65 8b 05 ea 1d b4 7e 39 c2 0f 84 84 00 00 00 be 04 00 00 00 48 89 ef e8 a5 82 4d 00 31 c0 ba 01 00 00 00 f0 0f b1 55 00 <85> c0 75 7b 65 8b 1d be 1d b4 7e 48 b8 00 00 00 00 00 fc ff df 4c [ 1012.006234] RSP: 0018:ffff8880b034f6c8 EFLAGS: 00000046 [ 1012.006240] RAX: 0000000000000000 RBX: ffffe8ffffc02560 RCX: ffffffff814d635b [ 1012.006244] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88813be6b200 [ 1012.006248] RBP: ffff88813be6b200 R08: 0000000000000001 R09: ffffed10277cd640 [ 1012.006251] R10: ffff88813be6b203 R11: 0000000000000000 R12: ffff88813be6b208 [ 1012.006255] R13: ffff88813be6b210 R14: ffff88813be45200 R15: 0000000000000286 [ 1012.006259] FS: 00007f5ba140f700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 1012.006263] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1012.006267] CR2: 00007f21ec035000 CR3: 00000000b4f02000 CR4: 00000000001406f0 [ 1012.006270] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1012.006274] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1012.006276] Call Trace: [ 1012.006279] ___cache_free+0x1d1/0x3a0 [ 1012.006281] ? mark_held_locks+0xa6/0xf0 [ 1012.006284] qlist_free_all+0x79/0x140 [ 1012.006287] quarantine_reduce+0x1a9/0x230 [ 1012.006289] kasan_kmalloc+0xa2/0x160 [ 1012.006292] ? kmem_cache_alloc+0x122/0x370 [ 1012.006294] ? alloc_buffer_head+0x20/0x130 [ 1012.006297] ? alloc_page_buffers+0x169/0x5c0 [ 1012.006300] ? create_empty_buffers+0x2c/0x760 [ 1012.006303] ? create_page_buffers+0x212/0x350 [ 1012.006305] ? block_read_full_page+0xcf/0xd10 [ 1012.006308] ? do_read_cache_page+0x533/0x1170 [ 1012.006311] ? minix_empty_dir+0x16f/0x990 [ 1012.006313] ? minix_rmdir+0x3d/0xd0 [ 1012.006316] ? vfs_rmdir.part.0+0x10f/0x3d0 [ 1012.006318] ? do_rmdir+0x3fd/0x490 [ 1012.006321] ? __x64_sys_unlinkat+0xdf/0x120 [ 1012.006324] ? do_syscall_64+0xf9/0x620 [ 1012.006327] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1012.006329] ? __lock_acquire+0x6de/0x3ff0 [ 1012.006332] ? get_mem_cgroup_from_page+0xfa/0x3b0 [ 1012.006335] ? lock_downgrade+0x720/0x720 [ 1012.006337] ? lock_acquire+0x170/0x3c0 [ 1012.006340] ? get_mem_cgroup_from_page+0x7a/0x3b0 [ 1012.006343] ? check_preemption_disabled+0x41/0x280 [ 1012.006346] ? mark_held_locks+0xa6/0xf0 [ 1012.006349] ? kmem_cache_alloc+0x2b1/0x370 [ 1012.006351] kmem_cache_alloc+0x110/0x370 [ 1012.006354] alloc_buffer_head+0x20/0x130 [ 1012.006357] alloc_page_buffers+0x169/0x5c0 [ 1012.006359] create_empty_buffers+0x2c/0x760 [ 1012.006362] ? __put_compound_page+0xc0/0xc0 [ 1012.006365] create_page_buffers+0x212/0x350 [ 1012.006367] block_read_full_page+0xcf/0xd10 [ 1012.006370] ? pagevec_lru_move_fn+0x1ee/0x270 [ 1012.006373] ? minix_mknod+0x1a0/0x1a0 [ 1012.006376] ? __lru_cache_add+0x1e3/0x2c0 [ 1012.006378] ? __bread_gfp+0x300/0x300 [ 1012.006381] ? add_to_page_cache_lru+0x259/0x680 [ 1012.006384] ? add_to_page_cache_locked+0x40/0x40 [ 1012.006387] do_read_cache_page+0x533/0x1170 [ 1012.006389] ? minix_bmap+0x30/0x30 [ 1012.006392] minix_empty_dir+0x16f/0x990 [ 1012.006394] minix_rmdir+0x3d/0xd0 [ 1012.006397] vfs_rmdir.part.0+0x10f/0x3d0 [ 1012.006399] do_rmdir+0x3fd/0x490 [ 1012.006402] ? __ia32_sys_mkdir+0x80/0x80 [ 1012.006404] ? __se_sys_futex+0x298/0x3b0 [ 1012.006407] ? do_futex+0x1c70/0x1c70 [ 1012.006410] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1012.006413] __x64_sys_unlinkat+0xdf/0x120 [ 1012.006415] do_syscall_64+0xf9/0x620 [ 1012.006418] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1012.006420] RIP: 0033:0x44aed9 [ 1012.006429] Code: dd c9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 ab c9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1012.006432] RSP: 002b:00007f5ba140ed98 EFLAGS: 00000246 ORIG_RAX: 0000000000000107 [ 1012.006438] RAX: ffffffffffffffda RBX: 00000000006ddc28 RCX: 000000000044aed9 [ 1012.006442] RDX: 0000000000000200 RSI: 0000000020000140 RDI: 0000000000000005 [ 1012.006446] RBP: 00000000006ddc20 R08: 0000000000000000 R09: 0000000000000000 [ 1012.006450] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc2c [ 1012.006454] R13: 000000807fffffff R14: 0000000000440001 R15: 0001000000000400 [ 1012.272426] Kernel panic - not syncing: hung_task: blocked tasks [ 1012.432774] CPU: 1 PID: 1559 Comm: khungtaskd Not tainted 4.19.164-syzkaller #0 [ 1012.440236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1012.449596] Call Trace: [ 1012.452195] dump_stack+0x1fc/0x2fe [ 1012.455831] panic+0x26a/0x50e [ 1012.459028] ? __warn_printk+0xf3/0xf3 [ 1012.462924] ? lapic_can_unplug_cpu.cold+0x39/0x39 [ 1012.467855] ? ___preempt_schedule+0x16/0x18 [ 1012.472271] ? watchdog+0x991/0xe60 [ 1012.475909] ? nmi_trigger_cpumask_backtrace+0x15e/0x1eb [ 1012.481366] watchdog+0x9a2/0xe60 [ 1012.484833] ? reset_hung_task_detector+0x30/0x30 [ 1012.489804] kthread+0x33f/0x460 [ 1012.493171] ? kthread_park+0x180/0x180 [ 1012.497148] ret_from_fork+0x24/0x30 [ 1012.501665] Kernel Offset: disabled [ 1012.505459] Rebooting in 86400 seconds..