[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ 53.844828][ T6740] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6740 [ 53.854464][ T6740] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 53.860908][ T6740] CPU: 0 PID: 6740 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 53.869160][ T6740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.879340][ T6740] Call Trace: [ 53.882639][ T6740] dump_stack+0x18f/0x20d [ 53.886957][ T6740] debug_smp_processor_id.cold+0x88/0x9b [ 53.892666][ T6740] ext4_mb_new_blocks+0xa77/0x3b30 [ 53.898898][ T6740] ? ext4_ext_search_right+0x2ca/0xb20 [ 53.904342][ T6740] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 53.910055][ T6740] ext4_ext_map_blocks+0x2044/0x3410 [ 53.915327][ T6740] ? ext4_ext_release+0x10/0x10 [ 53.920185][ T6740] ? __down_timeout+0x2d0/0x2d0 [ 53.925038][ T6740] ? ext4_es_lookup_extent+0x41d/0xd30 [ 53.930484][ T6740] ext4_map_blocks+0x4cb/0x1640 [ 53.935320][ T6740] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 53.940505][ T6740] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 53.946047][ T6740] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 53.952004][ T6740] ? prandom_u32_state+0xe/0x170 [ 53.956932][ T6740] ? __brelse+0x84/0xa0 [ 53.961079][ T6740] ? __ext4_new_inode+0x144/0x57c0 [ 53.966181][ T6740] ext4_getblk+0xad/0x520 [ 53.970496][ T6740] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 53.976212][ T6740] ? ext4_free_inode+0x17e0/0x17e0 [ 53.981335][ T6740] ext4_bread+0x7c/0x380 [ 53.985644][ T6740] ? ext4_getblk+0x520/0x520 [ 53.990212][ T6740] ? dqget+0xff0/0xff0 [ 53.994278][ T6740] ext4_append+0x153/0x360 [ 53.998689][ T6740] ext4_mkdir+0x5e0/0xdf0 [ 54.003032][ T6740] ? ext4_rmdir+0xde0/0xde0 [ 54.007518][ T6740] ? security_inode_permission+0xc4/0xf0 [ 54.013133][ T6740] vfs_mkdir+0x419/0x690 [ 54.017434][ T6740] do_mkdirat+0x21e/0x280 [ 54.021775][ T6740] ? __ia32_sys_mknod+0xb0/0xb0 [ 54.026620][ T6740] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 54.032604][ T6740] ? do_syscall_64+0x21/0x7d0 [ 54.037388][ T6740] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 54.043377][ T6740] do_syscall_64+0xf6/0x7d0 [ 54.047911][ T6740] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 54.053948][ T6740] RIP: 0033:0x7f449ff49687 [ 54.058362][ T6740] Code: Bad RIP value. [ 54.062406][ T6740] RSP: 002b:00007ffdd3b9fe58 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 54.070795][ T6740] RAX: ffffffffffffffda RBX: 00005567752fd985 RCX: 00007f449ff49687 [ 54.078785][ T6740] RDX: 00007ffdd3b9fd20 RSI: 00000000000001ed RDI: 00005567752fd985 [ 54.086757][ T6740] RBP: 00007f449ff49680 R08: 0000000000000100 R09: 0000000000000000 [ 54.094723][ T6740] R10: 00005567752fd980 R11: 0000000000000246 R12: 00000000000001ed [ 54.102689][ T6740] R13: 00007ffdd3b9ffe0 R14: 0000000000000000 R15: 0000000000000000 Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.253' (ECDSA) to the list of known hosts. 2020/06/10 01:05:13 fuzzer started 2020/06/10 01:05:13 connecting to host at 10.128.0.26:35083 2020/06/10 01:05:13 checking machine... 2020/06/10 01:05:13 checking revisions... 2020/06/10 01:05:13 testing simple program... syzkaller login: [ 59.350499][ T6808] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6808 [ 59.359709][ T6808] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.365586][ T6808] CPU: 1 PID: 6808 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 59.373499][ T6808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.383545][ T6808] Call Trace: [ 59.386844][ T6808] dump_stack+0x18f/0x20d [ 59.391196][ T6808] debug_smp_processor_id.cold+0x88/0x9b [ 59.396836][ T6808] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.401971][ T6808] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.407443][ T6808] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.413185][ T6808] ext4_ext_map_blocks+0x2044/0x3410 [ 59.418511][ T6808] ? ext4_ext_release+0x10/0x10 [ 59.423401][ T6808] ? __down_timeout+0x2d0/0x2d0 [ 59.428261][ T6808] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.433737][ T6808] ext4_map_blocks+0x4cb/0x1640 [ 59.438604][ T6808] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.443842][ T6808] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.449395][ T6808] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.455374][ T6808] ? prandom_u32_state+0xe/0x170 [ 59.460341][ T6808] ? __brelse+0x84/0xa0 [ 59.464476][ T6808] ? __ext4_new_inode+0x144/0x57c0 [ 59.469569][ T6808] ext4_getblk+0xad/0x520 [ 59.473879][ T6808] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.479605][ T6808] ? ext4_free_inode+0x17e0/0x17e0 [ 59.484694][ T6808] ext4_bread+0x7c/0x380 [ 59.488927][ T6808] ? ext4_getblk+0x520/0x520 [ 59.493511][ T6808] ? dqget+0xff0/0xff0 [ 59.497578][ T6808] ext4_append+0x153/0x360 [ 59.501975][ T6808] ext4_mkdir+0x5e0/0xdf0 [ 59.506287][ T6808] ? ext4_rmdir+0xde0/0xde0 [ 59.510888][ T6808] ? security_inode_permission+0xc4/0xf0 [ 59.516501][ T6808] vfs_mkdir+0x419/0x690 [ 59.520723][ T6808] do_mkdirat+0x21e/0x280 [ 59.525044][ T6808] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.529873][ T6808] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.535835][ T6808] ? do_syscall_64+0x21/0x7d0 [ 59.540507][ T6808] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.546477][ T6808] do_syscall_64+0xf6/0x7d0 [ 59.550977][ T6808] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.556859][ T6808] RIP: 0033:0x4b02a0 [ 59.560725][ T6808] Code: Bad RIP value. [ 59.564766][ T6808] RSP: 002b:000000c0000e34b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 59.573161][ T6808] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 59.581114][ T6808] RDX: 00000000000001c0 RSI: 000000c000026da0 RDI: ffffffffffffff9c [ 59.589078][ T6808] RBP: 000000c0000e3510 R08: 0000000000000000 R09: 0000000000000000 [ 59.597042][ T6808] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 59.604992][ T6808] R13: 000000000000006e R14: 000000000000006d R15: 0000000000000100 [ 59.630290][ T6821] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6821 [ 59.639852][ T6821] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.645767][ T6821] CPU: 0 PID: 6821 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.653979][ T6821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.664010][ T6821] Call Trace: [ 59.667284][ T6821] dump_stack+0x18f/0x20d [ 59.671592][ T6821] debug_smp_processor_id.cold+0x88/0x9b [ 59.677203][ T6821] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.682317][ T6821] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.687753][ T6821] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.693465][ T6821] ext4_ext_map_blocks+0x2044/0x3410 [ 59.698731][ T6821] ? ext4_ext_release+0x10/0x10 [ 59.703572][ T6821] ? __down_timeout+0x2d0/0x2d0 [ 59.708407][ T6821] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.713850][ T6821] ext4_map_blocks+0x4cb/0x1640 [ 59.718694][ T6821] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.723870][ T6821] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.729400][ T6821] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.735358][ T6821] ? prandom_u32_state+0xe/0x170 [ 59.740301][ T6821] ? __brelse+0x84/0xa0 [ 59.744433][ T6821] ? __ext4_new_inode+0x144/0x57c0 [ 59.749695][ T6821] ext4_getblk+0xad/0x520 [ 59.754017][ T6821] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.759715][ T6821] ? ext4_free_inode+0x17e0/0x17e0 [ 59.764817][ T6821] ext4_bread+0x7c/0x380 [ 59.769045][ T6821] ? ext4_getblk+0x520/0x520 [ 59.773612][ T6821] ? dqget+0xff0/0xff0 [ 59.777662][ T6821] ext4_append+0x153/0x360 [ 59.782071][ T6821] ext4_mkdir+0x5e0/0xdf0 [ 59.786396][ T6821] ? ext4_rmdir+0xde0/0xde0 [ 59.790891][ T6821] ? security_inode_permission+0xc4/0xf0 [ 59.796516][ T6821] vfs_mkdir+0x419/0x690 [ 59.800737][ T6821] do_mkdirat+0x21e/0x280 [ 59.805043][ T6821] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.809872][ T6821] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.815841][ T6821] ? do_syscall_64+0x21/0x7d0 [ 59.820494][ T6821] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.826461][ T6821] do_syscall_64+0xf6/0x7d0 [ 59.830958][ T6821] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.836838][ T6821] RIP: 0033:0x45bee7 [ 59.840703][ T6821] Code: Bad RIP value. [ 59.844743][ T6821] RSP: 002b:00007ffc17407138 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 59.853129][ T6821] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 59.861076][ T6821] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007ffc17407310 [ 59.869027][ T6821] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 00000000000037c0 [ 59.877065][ T6821] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 59.885042][ T6821] R13: 00007ffc17407310 R14: 8421084210842109 R15: 00007ffc1740731c [ 59.972435][ T6822] IPVS: ftp: loaded support on port[0] = 21 [ 60.010441][ T6822] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6822 [ 60.020163][ T6822] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 60.026045][ T6822] CPU: 1 PID: 6822 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 60.034325][ T6822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.044394][ T6822] Call Trace: [ 60.047692][ T6822] dump_stack+0x18f/0x20d [ 60.052016][ T6822] debug_smp_processor_id.cold+0x88/0x9b [ 60.057649][ T6822] ext4_mb_new_blocks+0xa77/0x3b30 [ 60.062766][ T6822] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.068219][ T6822] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.073924][ T6822] ext4_ext_map_blocks+0x2044/0x3410 [ 60.079209][ T6822] ? ext4_ext_release+0x10/0x10 [ 60.084070][ T6822] ? __down_timeout+0x2d0/0x2d0 [ 60.088910][ T6822] ? ext4_es_lookup_extent+0x41d/0xd30 [ 60.094369][ T6822] ext4_map_blocks+0x4cb/0x1640 [ 60.099206][ T6822] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.104748][ T6822] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.110304][ T6822] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.116269][ T6822] ? prandom_u32_state+0xe/0x170 [ 60.121285][ T6822] ? __brelse+0x84/0xa0 [ 60.125469][ T6822] ? __ext4_new_inode+0x144/0x57c0 [ 60.130582][ T6822] ext4_getblk+0xad/0x520 [ 60.135251][ T6822] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.140960][ T6822] ? ext4_free_inode+0x17e0/0x17e0 [ 60.146167][ T6822] ext4_bread+0x7c/0x380 [ 60.150514][ T6822] ? ext4_getblk+0x520/0x520 [ 60.155084][ T6822] ? dqget+0xff0/0xff0 [ 60.160705][ T6822] ext4_append+0x153/0x360 [ 60.165141][ T6822] ext4_mkdir+0x5e0/0xdf0 [ 60.169464][ T6822] ? ext4_rmdir+0xde0/0xde0 [ 60.174039][ T6822] ? security_inode_permission+0xc4/0xf0 [ 60.179674][ T6822] vfs_mkdir+0x419/0x690 [ 60.184050][ T6822] do_mkdirat+0x21e/0x280 [ 60.188399][ T6822] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.193282][ T6822] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.199248][ T6822] ? do_syscall_64+0x21/0x7d0 [ 60.203903][ T6822] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.209871][ T6822] do_syscall_64+0xf6/0x7d0 [ 60.214472][ T6822] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 60.220343][ T6822] RIP: 0033:0x45bee7 [ 60.224209][ T6822] Code: Bad RIP value. [ 60.228344][ T6822] RSP: 002b:00007ffc17407028 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 60.236970][ T6822] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 60.244931][ T6822] RDX: 00007ffc17407073 RSI: 00000000000001ff RDI: 00007ffc17407070 [ 60.252903][ T6822] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 60.260855][ T6822] R10: 0000000000000064 R11: 0000000000000206 R12: 00000000004185d0 [ 60.268826][ T6822] R13: 00007ffc17407060 R14: 0000000000000000 R15: 00007ffc17407070 [ 60.329071][ T6822] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6822 [ 60.338614][ T6822] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 60.344956][ T6822] CPU: 0 PID: 6822 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 60.353207][ T6822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.365706][ T6822] Call Trace: [ 60.369008][ T6822] dump_stack+0x18f/0x20d [ 60.373356][ T6822] debug_smp_processor_id.cold+0x88/0x9b [ 60.379005][ T6822] ext4_mb_new_blocks+0xa77/0x3b30 [ 60.384321][ T6822] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.389796][ T6822] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.395520][ T6822] ext4_ext_map_blocks+0x2044/0x3410 [ 60.400808][ T6822] ? ext4_ext_release+0x10/0x10 [ 60.405665][ T6822] ? __down_timeout+0x2d0/0x2d0 [ 60.410494][ T6822] ? ext4_es_lookup_extent+0x41d/0xd30 [ 60.415934][ T6822] ext4_map_blocks+0x4cb/0x1640 [ 60.420771][ T6822] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.425949][ T6822] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.431601][ T6822] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.437592][ T6822] ? prandom_u32_state+0xe/0x170 [ 60.442603][ T6822] ? __brelse+0x84/0xa0 [ 60.446875][ T6822] ? __ext4_new_inode+0x144/0x57c0 [ 60.452285][ T6822] ext4_getblk+0xad/0x520 [ 60.456612][ T6822] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.462415][ T6822] ? ext4_free_inode+0x17e0/0x17e0 [ 60.467510][ T6822] ext4_bread+0x7c/0x380 [ 60.471746][ T6822] ? ext4_getblk+0x520/0x520 [ 60.476392][ T6822] ? dqget+0xff0/0xff0 [ 60.480465][ T6822] ext4_append+0x153/0x360 [ 60.484872][ T6822] ext4_mkdir+0x5e0/0xdf0 [ 60.489188][ T6822] ? ext4_rmdir+0xde0/0xde0 [ 60.493689][ T6822] ? security_inode_permission+0xc4/0xf0 [ 60.499315][ T6822] vfs_mkdir+0x419/0x690 [ 60.503563][ T6822] do_mkdirat+0x21e/0x280 [ 60.507885][ T6822] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.512731][ T6822] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.518712][ T6822] ? do_syscall_64+0x21/0x7d0 [ 60.523472][ T6822] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.529435][ T6822] do_syscall_64+0xf6/0x7d0 [ 60.533924][ T6822] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 60.539816][ T6822] RIP: 0033:0x45bee7 [ 60.543702][ T6822] Code: Bad RIP value. [ 60.547743][ T6822] RSP: 002b:00007ffc17407028 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 60.556132][ T6822] RAX: ffffffffffffffda RBX: 000000000000eb9c RCX: 000000000045bee7 [ 60.564104][ T6822] RDX: 00007ffc17407073 RSI: 00000000000001ff RDI: 00007ffc17407070 [ 60.572067][ T6822] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 2020/06/10 01:05:14 building call list... [ 60.580031][ T6822] R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000003 [ 60.588610][ T6822] R13: 00007ffc17407060 R14: 000000000000eb8c R15: 00007ffc17407070 [ 60.839376][ T43] tipc: TX() has been purged, node left! executing program [ 62.326336][ T6849] can: request_module (can-proto-0) failed. [ 62.885479][ T6849] can: request_module (can-proto-0) failed. [ 62.897105][ T6849] can: request_module (can-proto-0) failed. [ 62.944817][ T1157] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1157 [ 62.954601][ T1157] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 62.960602][ T1157] CPU: 0 PID: 1157 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 62.968496][ T1157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.978558][ T1157] Call Trace: [ 62.981866][ T1157] dump_stack+0x18f/0x20d [ 62.986213][ T1157] debug_smp_processor_id.cold+0x88/0x9b [ 62.991878][ T1157] ext4_mb_new_blocks+0xa77/0x3b30 [ 62.997013][ T1157] ? __kmalloc+0x62f/0x7a0 [ 63.001464][ T1157] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.006950][ T1157] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 63.012694][ T1157] ext4_ext_map_blocks+0x2044/0x3410 [ 63.018007][ T1157] ? ext4_ext_release+0x10/0x10 [ 63.022898][ T1157] ? __down_timeout+0x2d0/0x2d0 [ 63.028727][ T1157] ? ext4_es_lookup_extent+0x41d/0xd30 [ 63.034208][ T1157] ext4_map_blocks+0x4cb/0x1640 [ 63.039084][ T1157] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.044293][ T1157] ? debug_smp_processor_id+0x2f/0x185 [ 63.049889][ T1157] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.055466][ T1157] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.061510][ T1157] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.066991][ T1157] ext4_writepages+0x1ab7/0x3400 [ 63.071953][ T1157] ? mark_lock+0x50/0xdd0 [ 63.076322][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.082539][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.088186][ T1157] ? do_writepages+0xfa/0x2a0 [ 63.092879][ T1157] do_writepages+0xfa/0x2a0 [ 63.097407][ T1157] ? page_writeback_cpu_online+0x10/0x10 [ 63.103057][ T1157] ? do_raw_spin_lock+0x129/0x2e0 [ 63.108097][ T1157] ? do_raw_spin_unlock+0x171/0x260 [ 63.113310][ T1157] ? _raw_spin_unlock+0x24/0x40 [ 63.118182][ T1157] __filemap_fdatawrite_range+0x2aa/0x390 [ 63.124022][ T1157] ? collapse_file+0x3575/0x4300 [ 63.128977][ T1157] ? delete_from_page_cache_batch+0xec0/0xec0 [ 63.135069][ T1157] ? _raw_spin_unlock_irq+0x1f/0x80 [ 63.140284][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.146288][ T1157] collapse_file+0x357f/0x4300 [ 63.151094][ T1157] ? collapse_huge_page+0x4370/0x4370 [ 63.156481][ T1157] ? khugepaged+0x24fa/0x3f80 [ 63.161196][ T1157] khugepaged+0x3049/0x3f80 [ 63.165737][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.171558][ T1157] ? lock_downgrade+0x840/0x840 [ 63.176426][ T1157] ? finish_wait+0x260/0x260 [ 63.181036][ T1157] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 63.186868][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.192877][ T1157] ? __kthread_parkme+0x13f/0x1e0 [ 63.197936][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.203606][ T1157] kthread+0x388/0x470 [ 63.203641][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.203653][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.203669][ T1157] ret_from_fork+0x24/0x30 [ 63.276885][ T1157] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1157 [ 63.286433][ T1157] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 63.292457][ T1157] CPU: 0 PID: 1157 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 63.300351][ T1157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.310410][ T1157] Call Trace: [ 63.313715][ T1157] dump_stack+0x18f/0x20d [ 63.318065][ T1157] debug_smp_processor_id.cold+0x88/0x9b [ 63.323752][ T1157] ext4_mb_new_blocks+0xa77/0x3b30 [ 63.328896][ T1157] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.334353][ T1157] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 63.340707][ T1157] ext4_ext_map_blocks+0x2044/0x3410 [ 63.346006][ T1157] ? ext4_ext_release+0x10/0x10 [ 63.350966][ T1157] ? __down_timeout+0x2d0/0x2d0 [ 63.355893][ T1157] ? ext4_es_lookup_extent+0x41d/0xd30 [ 63.361372][ T1157] ext4_map_blocks+0x4cb/0x1640 [ 63.366231][ T1157] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.371427][ T1157] ? debug_smp_processor_id+0x2f/0x185 [ 63.376894][ T1157] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.382434][ T1157] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.388408][ T1157] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.393868][ T1157] ext4_writepages+0x1ab7/0x3400 [ 63.398790][ T1157] ? mark_lock+0x50/0xdd0 [ 63.403124][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.408769][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.414398][ T1157] ? do_writepages+0xfa/0x2a0 [ 63.419140][ T1157] do_writepages+0xfa/0x2a0 [ 63.423643][ T1157] ? page_writeback_cpu_online+0x10/0x10 [ 63.429270][ T1157] ? do_raw_spin_lock+0x129/0x2e0 [ 63.434424][ T1157] ? do_raw_spin_unlock+0x171/0x260 [ 63.439836][ T1157] ? _raw_spin_unlock+0x24/0x40 [ 63.444676][ T1157] __filemap_fdatawrite_range+0x2aa/0x390 [ 63.450381][ T1157] ? collapse_file+0x3575/0x4300 [ 63.455319][ T1157] ? delete_from_page_cache_batch+0xec0/0xec0 [ 63.461483][ T1157] ? _raw_spin_unlock_irq+0x1f/0x80 [ 63.466747][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.472930][ T1157] collapse_file+0x357f/0x4300 [ 63.477701][ T1157] ? collapse_huge_page+0x4370/0x4370 [ 63.483063][ T1157] ? khugepaged+0x24fa/0x3f80 [ 63.487766][ T1157] khugepaged+0x3049/0x3f80 [ 63.492297][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.497927][ T1157] ? lock_downgrade+0x840/0x840 [ 63.502793][ T1157] ? finish_wait+0x260/0x260 [ 63.507387][ T1157] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 63.513205][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.519185][ T1157] ? __kthread_parkme+0x13f/0x1e0 [ 63.524202][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.529821][ T1157] kthread+0x388/0x470 [ 63.534001][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.539703][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.545423][ T1157] ret_from_fork+0x24/0x30 [ 63.583601][ T1157] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1157 [ 63.593017][ T1157] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 63.599028][ T1157] CPU: 0 PID: 1157 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 63.606940][ T1157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.617120][ T1157] Call Trace: [ 63.620436][ T1157] dump_stack+0x18f/0x20d [ 63.624785][ T1157] debug_smp_processor_id.cold+0x88/0x9b [ 63.630508][ T1157] ext4_mb_new_blocks+0xa77/0x3b30 [ 63.635621][ T1157] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.641091][ T1157] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 63.647227][ T1157] ext4_ext_map_blocks+0x2044/0x3410 [ 63.652499][ T1157] ? ext4_ext_release+0x10/0x10 [ 63.657355][ T1157] ? __down_timeout+0x2d0/0x2d0 [ 63.662206][ T1157] ? ext4_es_lookup_extent+0x41d/0xd30 [ 63.667662][ T1157] ext4_map_blocks+0x4cb/0x1640 [ 63.672514][ T1157] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.677779][ T1157] ? debug_smp_processor_id+0x2f/0x185 [ 63.683236][ T1157] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.688763][ T1157] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.694736][ T1157] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.700177][ T1157] ext4_writepages+0x1ab7/0x3400 [ 63.705112][ T1157] ? mark_lock+0x50/0xdd0 [ 63.709539][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.715181][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.720793][ T1157] ? do_writepages+0xfa/0x2a0 [ 63.725450][ T1157] do_writepages+0xfa/0x2a0 [ 63.729958][ T1157] ? page_writeback_cpu_online+0x10/0x10 [ 63.735591][ T1157] ? do_raw_spin_lock+0x129/0x2e0 [ 63.740601][ T1157] ? do_raw_spin_unlock+0x171/0x260 [ 63.747188][ T1157] ? _raw_spin_unlock+0x24/0x40 [ 63.752113][ T1157] __filemap_fdatawrite_range+0x2aa/0x390 [ 63.757833][ T1157] ? collapse_file+0x3575/0x4300 [ 63.762779][ T1157] ? delete_from_page_cache_batch+0xec0/0xec0 [ 63.769272][ T1157] ? _raw_spin_unlock_irq+0x1f/0x80 [ 63.774464][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.780455][ T1157] collapse_file+0x357f/0x4300 [ 63.785212][ T1157] ? collapse_huge_page+0x4370/0x4370 [ 63.790566][ T1157] ? khugepaged+0x24fa/0x3f80 [ 63.795248][ T1157] khugepaged+0x3049/0x3f80 [ 63.799763][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.805412][ T1157] ? lock_downgrade+0x840/0x840 [ 63.810269][ T1157] ? finish_wait+0x260/0x260 [ 63.814869][ T1157] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 63.820686][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.826665][ T1157] ? __kthread_parkme+0x13f/0x1e0 [ 63.831688][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.837318][ T1157] kthread+0x388/0x470 [ 63.841370][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.847082][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.852787][ T1157] ret_from_fork+0x24/0x30