Warning: Permanently added '10.128.10.59' (ECDSA) to the list of known hosts. 2020/06/13 05:16:17 fuzzer started 2020/06/13 05:16:17 connecting to host at 10.128.0.26:41197 2020/06/13 05:16:17 checking machine... 2020/06/13 05:16:17 checking revisions... 2020/06/13 05:16:17 testing simple program... [ 43.328879][ T6933] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6933 [ 43.338129][ T6933] caller is ext4_mb_new_blocks+0x301/0x1620 [ 43.344429][ T6933] CPU: 1 PID: 6933 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 43.352325][ T6933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.362374][ T6933] Call Trace: [ 43.365656][ T6933] dump_stack+0x1f0/0x31e [ 43.369960][ T6933] check_preemption_disabled+0x1c9/0x240 [ 43.375579][ T6933] ext4_mb_new_blocks+0x301/0x1620 [ 43.380688][ T6933] ext4_ext_map_blocks+0x2ad5/0x6d20 [ 43.385966][ T6933] ? lock_acquire+0x169/0x480 [ 43.390630][ T6933] ? ext4_map_blocks+0x7ea/0x19e0 [ 43.395647][ T6933] ext4_map_blocks+0x8c1/0x19e0 [ 43.400491][ T6933] ext4_getblk+0xa4/0x460 [ 43.404798][ T6933] ext4_bread+0x48/0x330 [ 43.409015][ T6933] ext4_append+0x153/0x2d0 [ 43.413417][ T6933] ext4_mkdir+0x75f/0x14c0 [ 43.417940][ T6933] vfs_mkdir+0x42a/0x620 [ 43.422243][ T6933] do_mkdirat+0x1b9/0x310 [ 43.426559][ T6933] do_syscall_64+0xf3/0x1b0 [ 43.431138][ T6933] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 43.437136][ T6933] RIP: 0033:0x4b02a0 [ 43.440999][ T6933] Code: Bad RIP value. [ 43.445047][ T6933] RSP: 002b:000000c0000db4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 43.453524][ T6933] RAX: ffffffffffffffda RBX: 000000c00002c000 RCX: 00000000004b02a0 [ 43.461480][ T6933] RDX: 00000000000001c0 RSI: 000000c00009f2e0 RDI: ffffffffffffff9c [ 43.469437][ T6933] RBP: 000000c0000db510 R08: 0000000000000000 R09: 0000000000000000 [ 43.477412][ T6933] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 43.485371][ T6933] R13: 0000000000000098 R14: 0000000000000097 R15: 0000000000000100 [ 43.508382][ T6948] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6948 [ 43.518489][ T6948] caller is ext4_mb_new_blocks+0x301/0x1620 [ 43.524477][ T6948] CPU: 0 PID: 6948 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 43.532729][ T6948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.542766][ T6948] Call Trace: [ 43.546043][ T6948] dump_stack+0x1f0/0x31e [ 43.550534][ T6948] check_preemption_disabled+0x1c9/0x240 [ 43.556164][ T6948] ext4_mb_new_blocks+0x301/0x1620 [ 43.561282][ T6948] ext4_ext_map_blocks+0x2ad5/0x6d20 [ 43.566559][ T6948] ? lock_acquire+0x169/0x480 [ 43.571218][ T6948] ? ext4_map_blocks+0x7ea/0x19e0 [ 43.576227][ T6948] ext4_map_blocks+0x8c1/0x19e0 [ 43.581061][ T6948] ext4_getblk+0xa4/0x460 [ 43.585377][ T6948] ext4_bread+0x48/0x330 [ 43.589592][ T6948] ext4_append+0x153/0x2d0 [ 43.593998][ T6948] ext4_mkdir+0x75f/0x14c0 [ 43.598397][ T6948] vfs_mkdir+0x42a/0x620 [ 43.602620][ T6948] do_mkdirat+0x1b9/0x310 [ 43.607118][ T6948] do_syscall_64+0xf3/0x1b0 [ 43.611597][ T6948] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 43.617471][ T6948] RIP: 0033:0x45bee7 [ 43.621334][ T6948] Code: Bad RIP value. [ 43.625370][ T6948] RSP: 002b:00007ffc55c59698 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 43.633750][ T6948] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 43.641790][ T6948] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 00007ffc55c59870 [ 43.649748][ T6948] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000001fc0 [ 43.657703][ T6948] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 43.665658][ T6948] R13: 00007ffc55c59870 R14: 8421084210842109 R15: 00007ffc55c5987c [ 43.739559][ T6949] IPVS: ftp: loaded support on port[0] = 21 [ 43.771643][ T6949] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6949 [ 43.781175][ T6949] caller is ext4_mb_new_blocks+0x301/0x1620 [ 43.787059][ T6949] CPU: 1 PID: 6949 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 43.795268][ T6949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.805308][ T6949] Call Trace: [ 43.808592][ T6949] dump_stack+0x1f0/0x31e [ 43.812913][ T6949] check_preemption_disabled+0x1c9/0x240 [ 43.818518][ T6949] ext4_mb_new_blocks+0x301/0x1620 [ 43.823630][ T6949] ext4_ext_map_blocks+0x2ad5/0x6d20 [ 43.828925][ T6949] ? lock_acquire+0x169/0x480 [ 43.833588][ T6949] ? ext4_map_blocks+0x7ea/0x19e0 [ 43.838602][ T6949] ext4_map_blocks+0x8c1/0x19e0 [ 43.843450][ T6949] ext4_getblk+0xa4/0x460 [ 43.847842][ T6949] ext4_bread+0x48/0x330 [ 43.852059][ T6949] ext4_append+0x153/0x2d0 [ 43.856469][ T6949] ext4_mkdir+0x75f/0x14c0 [ 43.860883][ T6949] vfs_mkdir+0x42a/0x620 [ 43.865103][ T6949] do_mkdirat+0x1b9/0x310 [ 43.869417][ T6949] do_syscall_64+0xf3/0x1b0 [ 43.873908][ T6949] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 43.879792][ T6949] RIP: 0033:0x45bee7 [ 43.883669][ T6949] Code: Bad RIP value. [ 43.887843][ T6949] RSP: 002b:00007ffc55c59588 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 43.896258][ T6949] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 43.904219][ T6949] RDX: 00007ffc55c595d3 RSI: 00000000000001ff RDI: 00007ffc55c595d0 [ 43.912168][ T6949] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 43.920117][ T6949] R10: 0000000000000064 R11: 0000000000000206 R12: 00000000004185d0 [ 43.928421][ T6949] R13: 00007ffc55c595c0 R14: 0000000000000000 R15: 00007ffc55c595d0 [ 43.987417][ T6949] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6949 [ 43.997296][ T6949] caller is ext4_mb_new_blocks+0x301/0x1620 [ 44.003284][ T6949] CPU: 1 PID: 6949 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 44.011522][ T6949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.021743][ T6949] Call Trace: [ 44.025016][ T6949] dump_stack+0x1f0/0x31e [ 44.029323][ T6949] check_preemption_disabled+0x1c9/0x240 [ 44.034961][ T6949] ext4_mb_new_blocks+0x301/0x1620 [ 44.040054][ T6949] ext4_ext_map_blocks+0x2ad5/0x6d20 [ 44.045336][ T6949] ? lock_acquire+0x169/0x480 [ 44.049996][ T6949] ? ext4_map_blocks+0x7ea/0x19e0 [ 44.055043][ T6949] ext4_map_blocks+0x8c1/0x19e0 [ 44.059905][ T6949] ext4_getblk+0xa4/0x460 [ 44.064233][ T6949] ext4_bread+0x48/0x330 [ 44.068457][ T6949] ext4_append+0x153/0x2d0 [ 44.072856][ T6949] ext4_mkdir+0x75f/0x14c0 [ 44.077259][ T6949] vfs_mkdir+0x42a/0x620 [ 44.081482][ T6949] do_mkdirat+0x1b9/0x310 [ 44.085789][ T6949] do_syscall_64+0xf3/0x1b0 [ 44.090267][ T6949] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 44.096297][ T6949] RIP: 0033:0x45bee7 [ 44.100269][ T6949] Code: Bad RIP value. [ 44.104311][ T6949] RSP: 002b:00007ffc55c59588 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 44.112832][ T6949] RAX: ffffffffffffffda RBX: 000000000000abc9 RCX: 000000000045bee7 [ 44.120785][ T6949] RDX: 00007ffc55c595d3 RSI: 00000000000001ff RDI: 00007ffc55c595d0 [ 44.128729][ T6949] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 2020/06/13 05:16:18 building call list... [ 44.136696][ T6949] R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000003 [ 44.144646][ T6949] R13: 00007ffc55c595c0 R14: 000000000000abba R15: 00007ffc55c595d0 [ 44.410412][ T2800] tipc: TX() has been purged, node left! [ 45.035119][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 45.044353][ T1154] caller is ext4_mb_new_blocks+0x301/0x1620 [ 45.050331][ T1154] CPU: 0 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 45.058296][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.068344][ T1154] Call Trace: [ 45.071636][ T1154] dump_stack+0x1f0/0x31e [ 45.075968][ T1154] check_preemption_disabled+0x1c9/0x240 [ 45.081606][ T1154] ext4_mb_new_blocks+0x301/0x1620 [ 45.086730][ T1154] ext4_ext_map_blocks+0x2ad5/0x6d20 [ 45.092033][ T1154] ? lock_acquire+0x169/0x480 [ 45.096713][ T1154] ? ext4_map_blocks+0x7ea/0x19e0 [ 45.101760][ T1154] ext4_map_blocks+0x8c1/0x19e0 [ 45.106638][ T1154] ext4_writepages+0x150c/0x3750 [ 45.111680][ T1154] ? __lock_acquire+0x116c/0x2c30 [ 45.116744][ T1154] ? ext4_readpage+0x140/0x140 [ 45.121513][ T1154] do_writepages+0xda/0x1f0 [ 45.126033][ T1154] __filemap_fdatawrite_range+0x2a5/0x350 [ 45.131765][ T1154] collapse_file+0x2edc/0x39d0 [ 45.136638][ T1154] khugepaged_scan_mm_slot+0x6353/0x69a0 [ 45.142259][ T1154] ? __lock_acquire+0x116c/0x2c30 [ 45.147298][ T1154] ? lock_acquire+0x169/0x480 [ 45.151951][ T1154] ? khugepaged_do_scan+0x1ac/0x590 [ 45.157129][ T1154] khugepaged_do_scan+0x22f/0x590 [ 45.162152][ T1154] khugepaged+0xa5/0x7b0 [ 45.166400][ T1154] ? init_wait_entry+0xd0/0xd0 [ 45.171175][ T1154] kthread+0x37e/0x3a0 [ 45.175237][ T1154] ? start_stop_khugepaged+0x3b0/0x3b0 [ 45.180683][ T1154] ? kthread_blkcg+0xd0/0xd0 [ 45.185252][ T1154] ret_from_fork+0x24/0x30 [ 45.248370][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 45.257511][ T1154] caller is ext4_mb_new_blocks+0x301/0x1620 [ 45.263514][ T1154] CPU: 0 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 45.271430][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.281484][ T1154] Call Trace: [ 45.284778][ T1154] dump_stack+0x1f0/0x31e [ 45.289114][ T1154] check_preemption_disabled+0x1c9/0x240 [ 45.295201][ T1154] ext4_mb_new_blocks+0x301/0x1620 [ 45.295234][ T1154] ext4_ext_map_blocks+0x2ad5/0x6d20 [ 45.305628][ T1154] ? lock_acquire+0x169/0x480 [ 45.305643][ T1154] ? ext4_map_blocks+0x7ea/0x19e0 [ 45.315361][ T1154] ext4_map_blocks+0x8c1/0x19e0 [ 45.315387][ T1154] ext4_writepages+0x150c/0x3750 [ 45.325157][ T1154] ? ext4_readpage+0x140/0x140 [ 45.329921][ T1154] do_writepages+0xda/0x1f0 [ 45.334587][ T1154] __filemap_fdatawrite_range+0x2a5/0x350 [ 45.340319][ T1154] collapse_file+0x2edc/0x39d0 [ 45.345082][ T1154] khugepaged_scan_mm_slot+0x6353/0x69a0 [ 45.350704][ T1154] ? __lock_acquire+0x116c/0x2c30 [ 45.355737][ T1154] ? lock_acquire+0x169/0x480 [ 45.360402][ T1154] ? khugepaged_do_scan+0x1ac/0x590 [ 45.365599][ T1154] khugepaged_do_scan+0x22f/0x590 [ 45.370619][ T1154] khugepaged+0xa5/0x7b0 [ 45.374854][ T1154] ? init_wait_entry+0xd0/0xd0 [ 45.379596][ T1154] kthread+0x37e/0x3a0 [ 45.383642][ T1154] ? start_stop_khugepaged+0x3b0/0x3b0 [ 45.389103][ T1154] ? kthread_blkcg+0xd0/0xd0 [ 45.393730][ T1154] ret_from_fork+0x24/0x30 [ 45.436512][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 45.445695][ T1154] caller is ext4_mb_new_blocks+0x301/0x1620 [ 45.451674][ T1154] CPU: 0 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 45.459562][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.469595][ T1154] Call Trace: [ 45.472881][ T1154] dump_stack+0x1f0/0x31e [ 45.477187][ T1154] check_preemption_disabled+0x1c9/0x240 [ 45.482806][ T1154] ext4_mb_new_blocks+0x301/0x1620 [ 45.488170][ T1154] ext4_ext_map_blocks+0x2ad5/0x6d20 [ 45.493460][ T1154] ? lock_acquire+0x169/0x480 [ 45.498117][ T1154] ? ext4_map_blocks+0x7ea/0x19e0 [ 45.503140][ T1154] ext4_map_blocks+0x8c1/0x19e0 [ 45.507975][ T1154] ext4_writepages+0x150c/0x3750 [ 45.512917][ T1154] ? ext4_readpage+0x140/0x140 [ 45.517759][ T1154] do_writepages+0xda/0x1f0 [ 45.522271][ T1154] __filemap_fdatawrite_range+0x2a5/0x350 [ 45.527984][ T1154] collapse_file+0x2edc/0x39d0 [ 45.532735][ T1154] khugepaged_scan_mm_slot+0x6353/0x69a0 [ 45.538349][ T1154] ? __lock_acquire+0x116c/0x2c30 [ 45.543368][ T1154] ? lock_acquire+0x169/0x480 [ 45.548019][ T1154] ? khugepaged_do_scan+0x1ac/0x590 [ 45.553235][ T1154] khugepaged_do_scan+0x22f/0x590 [ 45.558264][ T1154] khugepaged+0xa5/0x7b0 [ 45.562489][ T1154] ? init_wait_entry+0xd0/0xd0 [ 45.567431][ T1154] kthread+0x37e/0x3a0 [ 45.571491][ T1154] ? start_stop_khugepaged+0x3b0/0x3b0 [ 45.576932][ T1154] ? kthread_blkcg+0xd0/0xd0 [ 45.581505][ T1154] ret_from_fork+0x24/0x30 [ 45.712058][ T6930] can: request_module (can-proto-0) failed. executing program [ 46.669029][ T6930] can: request_module (can-proto-0) failed. [ 46.680867][ T6930] can: request_module (can-proto-0) failed.