Warning: Permanently added '10.128.10.39' (ECDSA) to the list of known hosts. 2020/06/13 20:03:57 fuzzer started 2020/06/13 20:03:57 connecting to host at 10.128.0.26:39021 2020/06/13 20:03:57 checking machine... 2020/06/13 20:03:57 checking revisions... 2020/06/13 20:03:57 testing simple program... [ 43.287044][ T6750] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6750 [ 43.296284][ T6750] caller is ext4_mb_new_blocks+0x301/0x1620 [ 43.302271][ T6750] CPU: 0 PID: 6750 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 43.310165][ T6750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.320196][ T6750] Call Trace: [ 43.323464][ T6750] dump_stack+0x1f0/0x31e [ 43.327783][ T6750] check_preemption_disabled+0x1c9/0x240 [ 43.333393][ T6750] ext4_mb_new_blocks+0x301/0x1620 [ 43.338505][ T6750] ext4_ext_map_blocks+0x2ad5/0x6d20 [ 43.343779][ T6750] ? ext4_map_blocks+0x7ea/0x19e0 [ 43.348799][ T6750] ext4_map_blocks+0x8c1/0x19e0 [ 43.353646][ T6750] ext4_getblk+0xa4/0x460 [ 43.357980][ T6750] ext4_bread+0x48/0x330 [ 43.362199][ T6750] ext4_append+0x153/0x2d0 [ 43.366594][ T6750] ext4_mkdir+0x75f/0x14c0 [ 43.370996][ T6750] vfs_mkdir+0x42a/0x620 [ 43.375214][ T6750] do_mkdirat+0x1b9/0x310 [ 43.379532][ T6750] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.385568][ T6750] do_syscall_64+0x73/0xe0 [ 43.389958][ T6750] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.395841][ T6750] RIP: 0033:0x4b02a0 [ 43.399814][ T6750] Code: Bad RIP value. [ 43.403851][ T6750] RSP: 002b:000000c0000e34b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 43.412248][ T6750] RAX: ffffffffffffffda RBX: 000000c00002c000 RCX: 00000000004b02a0 [ 43.420198][ T6750] RDX: 00000000000001c0 RSI: 000000c000026c60 RDI: ffffffffffffff9c [ 43.428238][ T6750] RBP: 000000c0000e3510 R08: 0000000000000000 R09: 0000000000000000 [ 43.436202][ T6750] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 43.444188][ T6750] R13: 0000000000000064 R14: 0000000000000063 R15: 0000000000000100 [ 43.464577][ T6768] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6768 [ 43.474432][ T6768] caller is ext4_mb_new_blocks+0x301/0x1620 [ 43.480680][ T6768] CPU: 1 PID: 6768 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 43.488929][ T6768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.499093][ T6768] Call Trace: [ 43.502359][ T6768] dump_stack+0x1f0/0x31e [ 43.506685][ T6768] check_preemption_disabled+0x1c9/0x240 [ 43.512333][ T6768] ext4_mb_new_blocks+0x301/0x1620 [ 43.517479][ T6768] ext4_ext_map_blocks+0x2ad5/0x6d20 [ 43.522754][ T6768] ? ext4_map_blocks+0x7ea/0x19e0 [ 43.527761][ T6768] ext4_map_blocks+0x8c1/0x19e0 [ 43.532613][ T6768] ext4_getblk+0xa4/0x460 [ 43.536928][ T6768] ext4_bread+0x48/0x330 [ 43.541149][ T6768] ext4_append+0x153/0x2d0 [ 43.545542][ T6768] ext4_mkdir+0x75f/0x14c0 [ 43.549943][ T6768] vfs_mkdir+0x42a/0x620 [ 43.554177][ T6768] do_mkdirat+0x1b9/0x310 [ 43.558492][ T6768] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.564534][ T6768] do_syscall_64+0x73/0xe0 [ 43.568929][ T6768] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.574803][ T6768] RIP: 0033:0x45bee7 [ 43.578673][ T6768] Code: Bad RIP value. [ 43.582726][ T6768] RSP: 002b:00007ffc07985608 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 43.591131][ T6768] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 43.599095][ T6768] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 00007ffc079857e0 [ 43.607040][ T6768] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000002980 [ 43.614996][ T6768] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 43.622955][ T6768] R13: 00007ffc079857e0 R14: 8421084210842109 R15: 00007ffc079857ec [ 43.692856][ T6769] IPVS: ftp: loaded support on port[0] = 21 [ 43.726724][ T6769] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6769 [ 43.736342][ T6769] caller is ext4_mb_new_blocks+0x301/0x1620 [ 43.742439][ T6769] CPU: 0 PID: 6769 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 43.750686][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.760737][ T6769] Call Trace: [ 43.764063][ T6769] dump_stack+0x1f0/0x31e [ 43.768497][ T6769] check_preemption_disabled+0x1c9/0x240 [ 43.774214][ T6769] ext4_mb_new_blocks+0x301/0x1620 [ 43.779330][ T6769] ext4_ext_map_blocks+0x2ad5/0x6d20 [ 43.784616][ T6769] ? ext4_map_blocks+0x7ea/0x19e0 [ 43.789625][ T6769] ext4_map_blocks+0x8c1/0x19e0 [ 43.794457][ T6769] ext4_getblk+0xa4/0x460 [ 43.798781][ T6769] ext4_bread+0x48/0x330 [ 43.802999][ T6769] ext4_append+0x153/0x2d0 [ 43.807411][ T6769] ext4_mkdir+0x75f/0x14c0 [ 43.812074][ T6769] vfs_mkdir+0x42a/0x620 [ 43.816395][ T6769] do_mkdirat+0x1b9/0x310 [ 43.820877][ T6769] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.826915][ T6769] do_syscall_64+0x73/0xe0 [ 43.831317][ T6769] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.837181][ T6769] RIP: 0033:0x45bee7 [ 43.841044][ T6769] Code: Bad RIP value. [ 43.845097][ T6769] RSP: 002b:00007ffc079854f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 43.853496][ T6769] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 43.861443][ T6769] RDX: 00007ffc07985543 RSI: 00000000000001ff RDI: 00007ffc07985540 [ 43.869492][ T6769] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 43.877437][ T6769] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0 [ 43.885383][ T6769] R13: 00007ffc07985530 R14: 0000000000000000 R15: 00007ffc07985540 [ 43.939793][ T6769] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6769 [ 43.949508][ T6769] caller is ext4_mb_new_blocks+0x301/0x1620 [ 43.955463][ T6769] CPU: 0 PID: 6769 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 43.963697][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.973750][ T6769] Call Trace: [ 43.977212][ T6769] dump_stack+0x1f0/0x31e [ 43.981786][ T6769] check_preemption_disabled+0x1c9/0x240 [ 43.987393][ T6769] ext4_mb_new_blocks+0x301/0x1620 [ 43.992485][ T6769] ext4_ext_map_blocks+0x2ad5/0x6d20 [ 44.000291][ T6769] ? ext4_map_blocks+0x7ea/0x19e0 [ 44.005314][ T6769] ext4_map_blocks+0x8c1/0x19e0 [ 44.010683][ T6769] ext4_getblk+0xa4/0x460 [ 44.014988][ T6769] ext4_bread+0x48/0x330 [ 44.019225][ T6769] ext4_append+0x153/0x2d0 [ 44.023620][ T6769] ext4_mkdir+0x75f/0x14c0 [ 44.028021][ T6769] vfs_mkdir+0x42a/0x620 [ 44.032255][ T6769] do_mkdirat+0x1b9/0x310 [ 44.036577][ T6769] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.042630][ T6769] do_syscall_64+0x73/0xe0 [ 44.047020][ T6769] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.052885][ T6769] RIP: 0033:0x45bee7 [ 44.056762][ T6769] Code: Bad RIP value. [ 44.060818][ T6769] RSP: 002b:00007ffc079854f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 44.069230][ T6769] RAX: ffffffffffffffda RBX: 000000000000ab96 RCX: 000000000045bee7 [ 44.077173][ T6769] RDX: 00007ffc07985543 RSI: 00000000000001ff RDI: 00007ffc07985540 2020/06/13 20:03:58 building call list... [ 44.085118][ T6769] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 44.093083][ T6769] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 44.101051][ T6769] R13: 00007ffc07985530 R14: 000000000000ab8a R15: 00007ffc07985540 [ 44.348185][ T7] tipc: TX() has been purged, node left! [ 45.349395][ T6750] can: request_module (can-proto-0) failed. [ 45.603073][ T1153] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1153 [ 45.612288][ T1153] caller is ext4_mb_new_blocks+0x301/0x1620 [ 45.618278][ T1153] CPU: 1 PID: 1153 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 45.626158][ T1153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.636201][ T1153] Call Trace: [ 45.639485][ T1153] dump_stack+0x1f0/0x31e [ 45.643811][ T1153] check_preemption_disabled+0x1c9/0x240 [ 45.649439][ T1153] ext4_mb_new_blocks+0x301/0x1620 [ 45.654553][ T1153] ext4_ext_map_blocks+0x2ad5/0x6d20 [ 45.659846][ T1153] ? ext4_map_blocks+0x7ea/0x19e0 [ 45.664877][ T1153] ext4_map_blocks+0x8c1/0x19e0 [ 45.669739][ T1153] ext4_writepages+0x150c/0x3750 [ 45.674677][ T1153] ? mark_lock+0x102/0x1b00 [ 45.679185][ T1153] ? __lock_acquire+0x116c/0x2c30 [ 45.684230][ T1153] ? ext4_readpage+0x140/0x140 [ 45.688985][ T1153] do_writepages+0xda/0x1f0 [ 45.693488][ T1153] __filemap_fdatawrite_range+0x2a5/0x350 [ 45.699208][ T1153] collapse_file+0x2edc/0x39d0 [ 45.703987][ T1153] khugepaged_scan_mm_slot+0x6353/0x69a0 [ 45.709618][ T1153] ? __lock_acquire+0x116c/0x2c30 [ 45.714661][ T1153] ? lock_acquire+0x160/0x720 [ 45.719324][ T1153] ? khugepaged_do_scan+0x1ac/0x590 [ 45.724523][ T1153] khugepaged_do_scan+0x22f/0x590 [ 45.729542][ T1153] khugepaged+0xa5/0x7b0 [ 45.733776][ T1153] ? init_wait_entry+0xd0/0xd0 [ 45.738531][ T1153] kthread+0x37e/0x3a0 [ 45.742587][ T1153] ? start_stop_khugepaged+0x3b0/0x3b0 [ 45.748032][ T1153] ? kthread_blkcg+0xd0/0xd0 [ 45.752613][ T1153] ret_from_fork+0x1f/0x30 [ 45.830369][ T1153] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1153 [ 45.839634][ T1153] caller is ext4_mb_new_blocks+0x301/0x1620 [ 45.845524][ T1153] CPU: 1 PID: 1153 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 45.853400][ T1153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.863475][ T1153] Call Trace: [ 45.866759][ T1153] dump_stack+0x1f0/0x31e [ 45.871088][ T1153] check_preemption_disabled+0x1c9/0x240 [ 45.876720][ T1153] ext4_mb_new_blocks+0x301/0x1620 [ 45.881838][ T1153] ext4_ext_map_blocks+0x2ad5/0x6d20 [ 45.887479][ T1153] ? ext4_map_blocks+0x7ea/0x19e0 [ 45.892511][ T1153] ext4_map_blocks+0x8c1/0x19e0 [ 45.897368][ T1153] ext4_writepages+0x150c/0x3750 [ 45.902353][ T1153] ? ext4_readpage+0x140/0x140 [ 45.907138][ T1153] do_writepages+0xda/0x1f0 [ 45.911661][ T1153] __filemap_fdatawrite_range+0x2a5/0x350 [ 45.917518][ T1153] collapse_file+0x2edc/0x39d0 [ 45.922291][ T1153] khugepaged_scan_mm_slot+0x6353/0x69a0 [ 45.927938][ T1153] ? __lock_acquire+0x116c/0x2c30 [ 45.932963][ T1153] ? lock_acquire+0x160/0x720 [ 45.937617][ T1153] ? khugepaged_do_scan+0x1ac/0x590 [ 45.942798][ T1153] khugepaged_do_scan+0x22f/0x590 [ 45.947819][ T1153] khugepaged+0xa5/0x7b0 [ 45.952055][ T1153] ? init_wait_entry+0xd0/0xd0 [ 45.956800][ T1153] kthread+0x37e/0x3a0 [ 45.960846][ T1153] ? start_stop_khugepaged+0x3b0/0x3b0 [ 45.966277][ T1153] ? kthread_blkcg+0xd0/0xd0 [ 45.970850][ T1153] ret_from_fork+0x1f/0x30 [ 46.017764][ T1153] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1153 [ 46.027113][ T1153] caller is ext4_mb_new_blocks+0x301/0x1620 [ 46.033156][ T1153] CPU: 1 PID: 1153 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 46.041067][ T1153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.051105][ T1153] Call Trace: [ 46.054380][ T1153] dump_stack+0x1f0/0x31e [ 46.058695][ T1153] check_preemption_disabled+0x1c9/0x240 [ 46.064311][ T1153] ext4_mb_new_blocks+0x301/0x1620 [ 46.069412][ T1153] ext4_ext_map_blocks+0x2ad5/0x6d20 [ 46.074712][ T1153] ? ext4_map_blocks+0x7ea/0x19e0 [ 46.079736][ T1153] ext4_map_blocks+0x8c1/0x19e0 [ 46.084593][ T1153] ext4_writepages+0x150c/0x3750 [ 46.089565][ T1153] ? ext4_readpage+0x140/0x140 [ 46.094326][ T1153] do_writepages+0xda/0x1f0 [ 46.098818][ T1153] __filemap_fdatawrite_range+0x2a5/0x350 [ 46.104525][ T1153] collapse_file+0x2edc/0x39d0 [ 46.109285][ T1153] khugepaged_scan_mm_slot+0x6353/0x69a0 executing program [ 46.114904][ T1153] ? __lock_acquire+0x116c/0x2c30 [ 46.120117][ T1153] ? lock_acquire+0x160/0x720 [ 46.124784][ T1153] ? khugepaged_do_scan+0x1ac/0x590 [ 46.129967][ T1153] khugepaged_do_scan+0x22f/0x590 [ 46.134989][ T1153] khugepaged+0xa5/0x7b0 [ 46.139227][ T1153] ? init_wait_entry+0xd0/0xd0 [ 46.143977][ T1153] kthread+0x37e/0x3a0 [ 46.148045][ T1153] ? start_stop_khugepaged+0x3b0/0x3b0 [ 46.153480][ T1153] ? kthread_blkcg+0xd0/0xd0 [ 46.158049][ T1153] ret_from_fork+0x1f/0x30 [ 46.456117][ T6750] can: request_module (can-proto-0) failed. [ 46.468163][ T6750] can: request_module (can-proto-0) failed.