Warning: Permanently added '10.128.1.60' (ECDSA) to the list of known hosts. 2020/06/15 20:14:19 fuzzer started 2020/06/15 20:14:19 connecting to host at 10.128.0.26:33463 2020/06/15 20:14:19 checking machine... 2020/06/15 20:14:19 checking revisions... 2020/06/15 20:14:19 testing simple program... [ 60.102718][ T6794] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6794 [ 60.111888][ T6794] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 60.117855][ T6794] CPU: 1 PID: 6794 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 60.125775][ T6794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.135993][ T6794] Call Trace: [ 60.139298][ T6794] dump_stack+0x188/0x20d [ 60.143609][ T6794] debug_smp_processor_id.cold+0x88/0x9b [ 60.149238][ T6794] ext4_mb_new_blocks+0xa77/0x3b30 [ 60.154343][ T6794] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.159797][ T6794] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.165498][ T6794] ext4_ext_map_blocks+0x2044/0x3410 [ 60.170782][ T6794] ? ext4_ext_release+0x10/0x10 [ 60.175707][ T6794] ? __down_timeout+0x2d0/0x2d0 [ 60.180552][ T6794] ? ext4_es_lookup_extent+0x41d/0xd30 [ 60.186011][ T6794] ext4_map_blocks+0x4cb/0x1640 [ 60.190845][ T6794] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.196039][ T6794] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.201563][ T6794] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.207519][ T6794] ? prandom_u32_state+0xe/0x170 [ 60.212435][ T6794] ? __brelse+0x84/0xa0 [ 60.216578][ T6794] ? __ext4_new_inode+0x144/0x57c0 [ 60.221675][ T6794] ext4_getblk+0xad/0x520 [ 60.226001][ T6794] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.231803][ T6794] ? ext4_free_inode+0x17e0/0x17e0 [ 60.236896][ T6794] ext4_bread+0x7c/0x380 [ 60.241115][ T6794] ? ext4_getblk+0x520/0x520 [ 60.245685][ T6794] ? dqget+0xff0/0xff0 [ 60.249754][ T6794] ext4_append+0x153/0x360 [ 60.254151][ T6794] ext4_mkdir+0x5e0/0xdf0 [ 60.258481][ T6794] ? ext4_rmdir+0xde0/0xde0 [ 60.262993][ T6794] ? security_inode_permission+0xc4/0xf0 [ 60.268607][ T6794] vfs_mkdir+0x419/0x690 [ 60.272829][ T6794] do_mkdirat+0x21e/0x280 [ 60.277170][ T6794] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.282016][ T6794] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.287990][ T6794] ? do_syscall_64+0x21/0x7d0 [ 60.292657][ T6794] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.298615][ T6794] do_syscall_64+0xf6/0x7d0 [ 60.303101][ T6794] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 60.308971][ T6794] RIP: 0033:0x4b02a0 [ 60.312859][ T6794] Code: 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 49 c7 c2 00 00 00 00 49 c7 c0 00 00 00 00 49 c7 c1 00 00 00 00 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30 [ 60.332457][ T6794] RSP: 002b:000000c00004f4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 60.340868][ T6794] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 60.348835][ T6794] RDX: 00000000000001c0 RSI: 000000c0000e6de0 RDI: ffffffffffffff9c [ 60.356803][ T6794] RBP: 000000c00004f510 R08: 0000000000000000 R09: 0000000000000000 [ 60.364770][ T6794] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 60.372735][ T6794] R13: 0000000000000070 R14: 000000000000006f R15: 0000000000000100 [ 60.399267][ T6798] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6798 [ 60.408770][ T6798] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 60.414875][ T6798] CPU: 1 PID: 6798 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 60.423111][ T6798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.433278][ T6798] Call Trace: [ 60.436574][ T6798] dump_stack+0x188/0x20d [ 60.440920][ T6798] debug_smp_processor_id.cold+0x88/0x9b [ 60.446561][ T6798] ext4_mb_new_blocks+0xa77/0x3b30 [ 60.451682][ T6798] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.457206][ T6798] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.463200][ T6798] ext4_ext_map_blocks+0x2044/0x3410 [ 60.468500][ T6798] ? ext4_ext_release+0x10/0x10 [ 60.473368][ T6798] ? __down_timeout+0x2d0/0x2d0 [ 60.478216][ T6798] ? ext4_es_lookup_extent+0x41d/0xd30 [ 60.483663][ T6798] ext4_map_blocks+0x4cb/0x1640 [ 60.488499][ T6798] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.493691][ T6798] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.499256][ T6798] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.505257][ T6798] ? prandom_u32_state+0xe/0x170 [ 60.510204][ T6798] ? __brelse+0x84/0xa0 [ 60.514371][ T6798] ? __ext4_new_inode+0x144/0x57c0 [ 60.519607][ T6798] ext4_getblk+0xad/0x520 [ 60.524080][ T6798] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.529938][ T6798] ? ext4_free_inode+0x17e0/0x17e0 [ 60.535072][ T6798] ext4_bread+0x7c/0x380 [ 60.539312][ T6798] ? ext4_getblk+0x520/0x520 [ 60.543903][ T6798] ? dqget+0xff0/0xff0 [ 60.548061][ T6798] ext4_append+0x153/0x360 [ 60.552493][ T6798] ext4_mkdir+0x5e0/0xdf0 [ 60.556868][ T6798] ? ext4_rmdir+0xde0/0xde0 [ 60.561383][ T6798] ? security_inode_permission+0xc4/0xf0 [ 60.567082][ T6798] vfs_mkdir+0x419/0x690 [ 60.571358][ T6798] do_mkdirat+0x21e/0x280 [ 60.576039][ T6798] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.580879][ T6798] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.586842][ T6798] ? do_syscall_64+0x21/0x7d0 [ 60.591508][ T6798] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.597532][ T6798] do_syscall_64+0xf6/0x7d0 [ 60.602043][ T6798] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 60.607926][ T6798] RIP: 0033:0x45bed7 [ 60.611907][ T6798] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 60.631803][ T6798] RSP: 002b:00007ffc64c065e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 60.640219][ T6798] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bed7 [ 60.648448][ T6798] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 00007ffc64c067c0 [ 60.656536][ T6798] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 00000000000029c0 [ 60.664504][ T6798] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 60.672498][ T6798] R13: 00007ffc64c067c0 R14: 8421084210842109 R15: 00007ffc64c067cc [ 60.771658][ T6799] IPVS: ftp: loaded support on port[0] = 21 [ 60.808935][ T6799] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6799 [ 60.818481][ T6799] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 60.824468][ T6799] CPU: 0 PID: 6799 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 60.833237][ T6799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.843385][ T6799] Call Trace: [ 60.846685][ T6799] dump_stack+0x188/0x20d [ 60.851029][ T6799] debug_smp_processor_id.cold+0x88/0x9b [ 60.856686][ T6799] ext4_mb_new_blocks+0xa77/0x3b30 [ 60.861834][ T6799] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.867302][ T6799] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.873009][ T6799] ext4_ext_map_blocks+0x2044/0x3410 [ 60.878287][ T6799] ? ext4_ext_release+0x10/0x10 [ 60.883132][ T6799] ? __down_timeout+0x2d0/0x2d0 [ 60.888143][ T6799] ? ext4_es_lookup_extent+0x41d/0xd30 [ 60.893600][ T6799] ext4_map_blocks+0x4cb/0x1640 [ 60.898455][ T6799] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.903653][ T6799] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.909202][ T6799] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.915171][ T6799] ? prandom_u32_state+0xe/0x170 [ 60.920110][ T6799] ? __brelse+0x84/0xa0 [ 60.924248][ T6799] ? __ext4_new_inode+0x144/0x57c0 [ 60.929346][ T6799] ext4_getblk+0xad/0x520 [ 60.933850][ T6799] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.939692][ T6799] ? ext4_free_inode+0x17e0/0x17e0 [ 60.944793][ T6799] ext4_bread+0x7c/0x380 [ 60.949020][ T6799] ? ext4_getblk+0x520/0x520 [ 60.953595][ T6799] ? dqget+0xff0/0xff0 [ 60.957653][ T6799] ext4_append+0x153/0x360 [ 60.962054][ T6799] ext4_mkdir+0x5e0/0xdf0 [ 60.966474][ T6799] ? ext4_rmdir+0xde0/0xde0 [ 60.970983][ T6799] ? security_inode_permission+0xc4/0xf0 [ 60.976611][ T6799] vfs_mkdir+0x419/0x690 [ 60.980858][ T6799] do_mkdirat+0x21e/0x280 [ 60.985271][ T6799] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.990270][ T6799] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.996251][ T6799] ? do_syscall_64+0x21/0x7d0 [ 61.000910][ T6799] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.007025][ T6799] do_syscall_64+0xf6/0x7d0 [ 61.011510][ T6799] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 61.017387][ T6799] RIP: 0033:0x45bed7 [ 61.021274][ T6799] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 61.041248][ T6799] RSP: 002b:00007ffc64c064d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 61.049666][ T6799] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bed7 [ 61.057635][ T6799] RDX: 00007ffc64c06523 RSI: 00000000000001ff RDI: 00007ffc64c06520 [ 61.065615][ T6799] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 61.073654][ T6799] R10: 0000000000000064 R11: 0000000000000206 R12: 00000000004185c0 [ 61.081606][ T6799] R13: 00007ffc64c06510 R14: 0000000000000000 R15: 00007ffc64c06520 [ 61.129220][ T6799] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6799 [ 61.138769][ T6799] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 61.145277][ T6799] CPU: 1 PID: 6799 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 61.153515][ T6799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.163572][ T6799] Call Trace: [ 61.166874][ T6799] dump_stack+0x188/0x20d [ 61.171222][ T6799] debug_smp_processor_id.cold+0x88/0x9b [ 61.176871][ T6799] ext4_mb_new_blocks+0xa77/0x3b30 [ 61.182008][ T6799] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.187507][ T6799] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 61.194456][ T6799] ext4_ext_map_blocks+0x2044/0x3410 [ 61.199748][ T6799] ? ext4_ext_release+0x10/0x10 [ 61.204622][ T6799] ? __down_timeout+0x2d0/0x2d0 [ 61.209479][ T6799] ? ext4_es_lookup_extent+0x41d/0xd30 [ 61.214943][ T6799] ext4_map_blocks+0x4cb/0x1640 [ 61.219802][ T6799] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.225006][ T6799] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.230548][ T6799] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.236627][ T6799] ? prandom_u32_state+0xe/0x170 [ 61.241614][ T6799] ? __brelse+0x84/0xa0 [ 61.245821][ T6799] ? __ext4_new_inode+0x144/0x57c0 [ 61.250917][ T6799] ext4_getblk+0xad/0x520 [ 61.255278][ T6799] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 61.261036][ T6799] ? ext4_free_inode+0x17e0/0x17e0 [ 61.266187][ T6799] ext4_bread+0x7c/0x380 [ 61.270410][ T6799] ? ext4_getblk+0x520/0x520 [ 61.275021][ T6799] ? dqget+0xff0/0xff0 [ 61.279084][ T6799] ext4_append+0x153/0x360 [ 61.283488][ T6799] ext4_mkdir+0x5e0/0xdf0 [ 61.287803][ T6799] ? ext4_rmdir+0xde0/0xde0 [ 61.292313][ T6799] ? security_inode_permission+0xc4/0xf0 [ 61.297932][ T6799] vfs_mkdir+0x419/0x690 [ 61.302160][ T6799] do_mkdirat+0x21e/0x280 [ 61.306487][ T6799] ? __ia32_sys_mknod+0xb0/0xb0 [ 61.311320][ T6799] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.317296][ T6799] ? do_syscall_64+0x21/0x7d0 [ 61.321954][ T6799] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.327918][ T6799] do_syscall_64+0xf6/0x7d0 [ 61.332403][ T6799] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 61.338276][ T6799] RIP: 0033:0x45bed7 [ 61.342148][ T6799] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 61.361731][ T6799] RSP: 002b:00007ffc64c064d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 61.370124][ T6799] RAX: ffffffffffffffda RBX: 000000000000eec4 RCX: 000000000045bed7 2020/06/15 20:14:21 building call list... [ 61.378076][ T6799] RDX: 00007ffc64c06523 RSI: 00000000000001ff RDI: 00007ffc64c06520 [ 61.386040][ T6799] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 61.393996][ T6799] R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000003 [ 61.401955][ T6799] R13: 00007ffc64c06510 R14: 000000000000eebf R15: 00007ffc64c06520 [ 61.674309][ T402] tipc: TX() has been purged, node left! executing program [ 62.940174][ T1157] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1157 [ 62.949382][ T1157] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 62.955364][ T1157] CPU: 0 PID: 1157 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 62.963245][ T1157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.973294][ T1157] Call Trace: [ 62.976586][ T1157] dump_stack+0x188/0x20d [ 62.980915][ T1157] debug_smp_processor_id.cold+0x88/0x9b [ 62.986543][ T1157] ext4_mb_new_blocks+0xa77/0x3b30 [ 62.991644][ T1157] ? __kmalloc+0x62f/0x7a0 [ 62.996586][ T1157] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.002038][ T1157] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 63.007759][ T1157] ext4_ext_map_blocks+0x2044/0x3410 [ 63.013046][ T1157] ? ext4_ext_release+0x10/0x10 [ 63.017908][ T1157] ? __down_timeout+0x2d0/0x2d0 [ 63.022755][ T1157] ? ext4_es_lookup_extent+0x41d/0xd30 [ 63.028214][ T1157] ext4_map_blocks+0x4cb/0x1640 [ 63.033153][ T1157] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.040254][ T1157] ? debug_smp_processor_id+0x2f/0x185 [ 63.045712][ T1157] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.051258][ T1157] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.057239][ T1157] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.062713][ T1157] ext4_writepages+0x1ab7/0x3400 [ 63.067648][ T1157] ? mark_lock+0x30/0xdd0 [ 63.071986][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.077649][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.083280][ T1157] ? do_writepages+0xfa/0x2a0 [ 63.087969][ T1157] do_writepages+0xfa/0x2a0 [ 63.092497][ T1157] ? page_writeback_cpu_online+0x10/0x10 [ 63.098213][ T1157] ? do_raw_spin_lock+0x129/0x2e0 [ 63.103232][ T1157] ? do_raw_spin_unlock+0x171/0x260 [ 63.108426][ T1157] ? _raw_spin_unlock+0x24/0x40 [ 63.113277][ T1157] __filemap_fdatawrite_range+0x2aa/0x390 [ 63.119772][ T1157] ? collapse_file+0x3575/0x4300 [ 63.124721][ T1157] ? delete_from_page_cache_batch+0xec0/0xec0 [ 63.130792][ T1157] ? _raw_spin_unlock_irq+0x1f/0x80 [ 63.136005][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.142076][ T1157] collapse_file+0x357f/0x4300 [ 63.146855][ T1157] ? collapse_huge_page+0x4370/0x4370 [ 63.152227][ T1157] ? khugepaged+0x24fa/0x3f80 [ 63.156946][ T1157] khugepaged+0x3049/0x3f80 [ 63.161475][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.167104][ T1157] ? lock_downgrade+0x840/0x840 [ 63.171965][ T1157] ? finish_wait+0x260/0x260 [ 63.176555][ T1157] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 63.182357][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.188428][ T1157] ? __kthread_parkme+0x13f/0x1e0 [ 63.193450][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.199165][ T1157] kthread+0x388/0x470 [ 63.203226][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.208937][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.214738][ T1157] ret_from_fork+0x24/0x30 [ 63.303528][ T1157] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1157 [ 63.312635][ T1157] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 63.318609][ T1157] CPU: 0 PID: 1157 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 63.326490][ T1157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.336538][ T1157] Call Trace: [ 63.339835][ T1157] dump_stack+0x188/0x20d [ 63.344250][ T1157] debug_smp_processor_id.cold+0x88/0x9b [ 63.349877][ T1157] ext4_mb_new_blocks+0xa77/0x3b30 [ 63.354999][ T1157] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.360455][ T1157] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 63.366602][ T1157] ext4_ext_map_blocks+0x2044/0x3410 [ 63.372065][ T1157] ? ext4_ext_release+0x10/0x10 [ 63.376940][ T1157] ? __down_timeout+0x2d0/0x2d0 [ 63.381786][ T1157] ? ext4_es_lookup_extent+0x41d/0xd30 [ 63.387269][ T1157] ext4_map_blocks+0x4cb/0x1640 [ 63.392121][ T1157] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.397320][ T1157] ? debug_smp_processor_id+0x2f/0x185 [ 63.402777][ T1157] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.408323][ T1157] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.414295][ T1157] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.419748][ T1157] ext4_writepages+0x1ab7/0x3400 [ 63.424693][ T1157] ? mark_lock+0x30/0xdd0 [ 63.429037][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.434693][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.440317][ T1157] ? do_writepages+0xfa/0x2a0 [ 63.445006][ T1157] do_writepages+0xfa/0x2a0 [ 63.449522][ T1157] ? page_writeback_cpu_online+0x10/0x10 [ 63.455150][ T1157] ? do_raw_spin_lock+0x129/0x2e0 [ 63.460268][ T1157] ? do_raw_spin_unlock+0x171/0x260 [ 63.465639][ T1157] ? _raw_spin_unlock+0x24/0x40 [ 63.470476][ T1157] __filemap_fdatawrite_range+0x2aa/0x390 [ 63.476176][ T1157] ? collapse_file+0x3575/0x4300 [ 63.481095][ T1157] ? delete_from_page_cache_batch+0xec0/0xec0 [ 63.487147][ T1157] ? _raw_spin_unlock_irq+0x1f/0x80 [ 63.492339][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.498316][ T1157] collapse_file+0x357f/0x4300 [ 63.503071][ T1157] ? collapse_huge_page+0x4370/0x4370 [ 63.508595][ T1157] ? khugepaged+0x24fa/0x3f80 [ 63.513283][ T1157] khugepaged+0x3049/0x3f80 [ 63.517797][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.523415][ T1157] ? lock_downgrade+0x840/0x840 [ 63.528596][ T1157] ? finish_wait+0x260/0x260 [ 63.533168][ T1157] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 63.538964][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.545015][ T1157] ? __kthread_parkme+0x13f/0x1e0 [ 63.550032][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.555647][ T1157] kthread+0x388/0x470 [ 63.559707][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.565416][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.571119][ T1157] ret_from_fork+0x24/0x30 [ 63.632672][ T6786] can: request_module (can-proto-0) failed. [ 63.663593][ T1157] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1157 [ 63.672737][ T1157] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 63.678967][ T1157] CPU: 0 PID: 1157 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 63.686872][ T1157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.696999][ T1157] Call Trace: [ 63.700275][ T1157] dump_stack+0x188/0x20d [ 63.704590][ T1157] debug_smp_processor_id.cold+0x88/0x9b [ 63.710224][ T1157] ext4_mb_new_blocks+0xa77/0x3b30 [ 63.715328][ T1157] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.720785][ T1157] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 63.726943][ T1157] ext4_ext_map_blocks+0x2044/0x3410 [ 63.732242][ T1157] ? ext4_ext_release+0x10/0x10 [ 63.737103][ T1157] ? __down_timeout+0x2d0/0x2d0 [ 63.741932][ T1157] ? ext4_es_lookup_extent+0x41d/0xd30 [ 63.747378][ T1157] ext4_map_blocks+0x4cb/0x1640 [ 63.752211][ T1157] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.757385][ T1157] ? debug_smp_processor_id+0x2f/0x185 [ 63.762824][ T1157] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.768373][ T1157] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.774520][ T1157] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.779970][ T1157] ext4_writepages+0x1ab7/0x3400 [ 63.784894][ T1157] ? mark_lock+0x30/0xdd0 [ 63.789224][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.794866][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.800491][ T1157] ? do_writepages+0xfa/0x2a0 [ 63.805153][ T1157] do_writepages+0xfa/0x2a0 [ 63.809645][ T1157] ? page_writeback_cpu_online+0x10/0x10 [ 63.815363][ T1157] ? do_raw_spin_lock+0x129/0x2e0 [ 63.820369][ T1157] ? do_raw_spin_unlock+0x171/0x260 [ 63.825549][ T1157] ? _raw_spin_unlock+0x24/0x40 [ 63.830381][ T1157] __filemap_fdatawrite_range+0x2aa/0x390 [ 63.836084][ T1157] ? collapse_file+0x3575/0x4300 [ 63.840999][ T1157] ? delete_from_page_cache_batch+0xec0/0xec0 [ 63.847053][ T1157] ? _raw_spin_unlock_irq+0x1f/0x80 [ 63.852251][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.858216][ T1157] collapse_file+0x357f/0x4300 [ 63.862970][ T1157] ? collapse_huge_page+0x4370/0x4370 [ 63.868347][ T1157] ? khugepaged+0x24fa/0x3f80 [ 63.873029][ T1157] khugepaged+0x3049/0x3f80 [ 63.877533][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.883161][ T1157] ? lock_downgrade+0x840/0x840 [ 63.888013][ T1157] ? finish_wait+0x260/0x260 [ 63.892610][ T1157] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 63.898463][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.904431][ T1157] ? __kthread_parkme+0x13f/0x1e0 [ 63.909565][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.915202][ T1157] kthread+0x388/0x470 [ 63.919269][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.924966][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.930668][ T1157] ret_from_fork+0x24/0x30 [ 64.278762][ T6786] can: request_module (can-proto-0) failed. [ 64.290516][ T6786] can: request_module (can-proto-0) failed.