[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty2. [ 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... [ 51.640319][ T6726] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6726 [ 51.649822][ T6726] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 51.655691][ T6726] CPU: 1 PID: 6726 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 51.663935][ T6726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.673973][ T6726] Call Trace: [ 51.677242][ T6726] dump_stack+0x188/0x20d [ 51.681555][ T6726] debug_smp_processor_id.cold+0x88/0x9b [ 51.687166][ T6726] ext4_mb_new_blocks+0xa77/0x3b30 [ 51.692263][ T6726] ? ext4_ext_search_right+0x2ca/0xb20 [ 51.697712][ T6726] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 51.703410][ T6726] ext4_ext_map_blocks+0x2044/0x3410 [ 51.708673][ T6726] ? ext4_ext_release+0x10/0x10 [ 51.713507][ T6726] ? __down_timeout+0x2d0/0x2d0 [ 51.718419][ T6726] ? ext4_es_lookup_extent+0x41d/0xd30 [ 51.723872][ T6726] ext4_map_blocks+0x4cb/0x1640 [ 51.728700][ T6726] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 51.733871][ T6726] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 51.739407][ T6726] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 51.745364][ T6726] ? prandom_u32_state+0xe/0x170 [ 51.750289][ T6726] ? __brelse+0x84/0xa0 [ 51.754424][ T6726] ? __ext4_new_inode+0x144/0x57c0 [ 51.759515][ T6726] ext4_getblk+0xad/0x520 [ 51.763866][ T6726] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 51.769564][ T6726] ? ext4_free_inode+0x17e0/0x17e0 [ 51.774690][ T6726] ext4_bread+0x7c/0x380 [ 51.778916][ T6726] ? ext4_getblk+0x520/0x520 [ 51.783481][ T6726] ? dqget+0xff0/0xff0 [ 51.787576][ T6726] ext4_append+0x153/0x360 [ 51.791977][ T6726] ext4_mkdir+0x5e0/0xdf0 [ 51.796329][ T6726] ? ext4_rmdir+0xde0/0xde0 [ 51.800812][ T6726] ? security_inode_permission+0xc4/0xf0 [ 51.806437][ T6726] vfs_mkdir+0x419/0x690 [ 51.810658][ T6726] do_mkdirat+0x21e/0x280 [ 51.815026][ T6726] ? __ia32_sys_mknod+0xb0/0xb0 [ 51.819857][ T6726] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 51.825867][ T6726] ? do_syscall_64+0x21/0x7d0 [ 51.830520][ T6726] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 51.836478][ T6726] do_syscall_64+0xf6/0x7d0 [ 51.840963][ T6726] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 51.846830][ T6726] RIP: 0033:0x7fbfeef58687 [ 51.851223][ T6726] Code: 00 b8 ff ff ff ff c3 0f 1f 40 00 48 8b 05 09 d8 2b 00 64 c7 00 5f 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 d7 2b 00 f7 d8 64 89 01 48 [ 51.870885][ T6726] RSP: 002b:00007ffca8915bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 51.879268][ T6726] RAX: ffffffffffffffda RBX: 00005558ccc9a985 RCX: 00007fbfeef58687 [ 51.887213][ T6726] RDX: 00007ffca8915aa0 RSI: 00000000000001ed RDI: 00005558ccc9a985 [ 51.895158][ T6726] RBP: 00007fbfeef58680 R08: 0000000000000100 R09: 0000000000000000 [ 51.903106][ T6726] R10: 00005558ccc9a980 R11: 0000000000000246 R12: 00000000000001ed [ 51.911050][ T6726] R13: 00007ffca8915d60 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 54.937676][ T890] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:5/890 [ 54.946974][ T890] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 54.953251][ T890] CPU: 1 PID: 890 Comm: kworker/u4:5 Not tainted 5.7.0-syzkaller #0 [ 54.961232][ T890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.971285][ T890] Workqueue: writeback wb_workfn (flush-8:0) [ 54.977239][ T890] Call Trace: [ 54.980508][ T890] dump_stack+0x188/0x20d [ 54.984815][ T890] debug_smp_processor_id.cold+0x88/0x9b [ 54.990423][ T890] ext4_mb_new_blocks+0xa77/0x3b30 [ 54.995517][ T890] ? __kmalloc+0x62f/0x7a0 [ 54.999914][ T890] ? ext4_ext_search_right+0x2ca/0xb20 [ 55.005370][ T890] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 55.011069][ T890] ext4_ext_map_blocks+0x2044/0x3410 [ 55.016333][ T890] ? ext4_ext_release+0x10/0x10 [ 55.021183][ T890] ? __down_timeout+0x2d0/0x2d0 [ 55.026006][ T890] ? ext4_es_lookup_extent+0x41d/0xd30 [ 55.031438][ T890] ? debug_smp_processor_id+0x2f/0x185 [ 55.036886][ T890] ext4_map_blocks+0x4cb/0x1640 [ 55.041719][ T890] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 55.046906][ T890] ? debug_smp_processor_id+0x2f/0x185 [ 55.052343][ T890] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 55.057867][ T890] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 55.063839][ T890] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 55.069462][ T890] ext4_writepages+0x1ab7/0x3400 [ 55.074389][ T890] ? __ext4_mark_inode_dirty+0x950/0x950 [ 55.080008][ T890] ? __lock_acquire+0x2224/0x48a0 [ 55.085012][ T890] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 55.090982][ T890] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 55.096938][ T890] ? __ext4_mark_inode_dirty+0x950/0x950 [ 55.102546][ T890] ? do_writepages+0xfa/0x2a0 [ 55.107196][ T890] do_writepages+0xfa/0x2a0 [ 55.111675][ T890] ? page_writeback_cpu_online+0x10/0x10 [ 55.117285][ T890] ? debug_smp_processor_id+0x2f/0x185 [ 55.122726][ T890] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 55.128507][ T890] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 55.134458][ T890] ? lock_downgrade+0x840/0x840 [ 55.139288][ T890] __writeback_single_inode+0x12a/0x1410 [ 55.144894][ T890] ? _raw_spin_unlock+0x24/0x40 [ 55.149728][ T890] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 55.155689][ T890] writeback_sb_inodes+0x515/0xdd0 [ 55.160794][ T890] ? __writeback_single_inode+0x1410/0x1410 [ 55.166671][ T890] __writeback_inodes_wb+0xc3/0x250 [ 55.171850][ T890] wb_writeback+0x910/0xd90 [ 55.176343][ T890] ? print_usage_bug+0x240/0x240 [ 55.181265][ T890] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 55.187567][ T890] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 55.193453][ T890] ? cpumask_next+0x3c/0x40 [ 55.197931][ T890] ? get_nr_dirty_inodes+0xd6/0x130 [ 55.203105][ T890] wb_workfn+0xadf/0x10d0 [ 55.207413][ T890] ? inode_wait_for_writeback+0x30/0x30 [ 55.212932][ T890] ? debug_smp_processor_id+0x2f/0x185 [ 55.218383][ T890] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 55.223905][ T890] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 55.229863][ T890] process_one_work+0x965/0x16a0 [ 55.234781][ T890] ? lock_release+0x800/0x800 [ 55.239434][ T890] ? pwq_dec_nr_in_flight+0x310/0x310 [ 55.244781][ T890] ? rwlock_bug.part.0+0x90/0x90 [ 55.249700][ T890] worker_thread+0x96/0xe10 [ 55.254211][ T890] ? process_one_work+0x16a0/0x16a0 [ 55.259384][ T890] kthread+0x388/0x470 [ 55.263431][ T890] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 55.269123][ T890] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 55.274817][ T890] ret_from_fork+0x24/0x30 Warning: Permanently added '10.128.15.200' (ECDSA) to the list of known hosts. 2020/06/13 01:17:45 fuzzer started 2020/06/13 01:17:45 connecting to host at 10.128.0.26:33619 2020/06/13 01:17:45 checking machine... 2020/06/13 01:17:45 checking revisions... 2020/06/13 01:17:45 testing simple program... [ 57.218424][ T6800] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6800 [ 57.227494][ T6800] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.233386][ T6800] CPU: 0 PID: 6800 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 57.241545][ T6800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.251572][ T6800] Call Trace: [ 57.254840][ T6800] dump_stack+0x188/0x20d [ 57.259148][ T6800] debug_smp_processor_id.cold+0x88/0x9b [ 57.264758][ T6800] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.269909][ T6800] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.275341][ T6800] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.281045][ T6800] ext4_ext_map_blocks+0x2044/0x3410 [ 57.286318][ T6800] ? ext4_ext_release+0x10/0x10 [ 57.291152][ T6800] ? __down_timeout+0x2d0/0x2d0 [ 57.295986][ T6800] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.301423][ T6800] ext4_map_blocks+0x4cb/0x1640 [ 57.306264][ T6800] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.311452][ T6800] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.316975][ T6800] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.322928][ T6800] ? prandom_u32_state+0xe/0x170 [ 57.327839][ T6800] ? __brelse+0x84/0xa0 [ 57.331983][ T6800] ? __ext4_new_inode+0x144/0x57c0 [ 57.337079][ T6800] ext4_getblk+0xad/0x520 [ 57.341383][ T6800] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 57.347080][ T6800] ? ext4_free_inode+0x17e0/0x17e0 [ 57.352179][ T6800] ext4_bread+0x7c/0x380 [ 57.356395][ T6800] ? ext4_getblk+0x520/0x520 [ 57.360971][ T6800] ? dqget+0xff0/0xff0 [ 57.365021][ T6800] ext4_append+0x153/0x360 [ 57.369419][ T6800] ext4_mkdir+0x5e0/0xdf0 [ 57.373723][ T6800] ? ext4_rmdir+0xde0/0xde0 [ 57.378213][ T6800] ? security_inode_permission+0xc4/0xf0 [ 57.383831][ T6800] vfs_mkdir+0x419/0x690 [ 57.388059][ T6800] do_mkdirat+0x21e/0x280 [ 57.392365][ T6800] ? __ia32_sys_mknod+0xb0/0xb0 [ 57.397188][ T6800] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.403154][ T6800] ? do_syscall_64+0x21/0x7d0 [ 57.407805][ T6800] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.413760][ T6800] do_syscall_64+0xf6/0x7d0 [ 57.418248][ T6800] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.424111][ T6800] RIP: 0033:0x4b02a0 [ 57.427993][ T6800] 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 [ 57.447578][ T6800] RSP: 002b:000000c0003c34b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 57.455961][ T6800] RAX: ffffffffffffffda RBX: 000000c00002c000 RCX: 00000000004b02a0 [ 57.463908][ T6800] RDX: 00000000000001c0 RSI: 000000c0000d0b60 RDI: ffffffffffffff9c [ 57.471865][ T6800] RBP: 000000c0003c3510 R08: 0000000000000000 R09: 0000000000000000 [ 57.479809][ T6800] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 57.487755][ T6800] R13: 000000000000005c R14: 000000000000005b R15: 0000000000000100 [ 57.514694][ T6813] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6813 [ 57.524149][ T6813] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.530097][ T6813] CPU: 1 PID: 6813 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 57.538325][ T6813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.548356][ T6813] Call Trace: [ 57.551627][ T6813] dump_stack+0x188/0x20d [ 57.555945][ T6813] debug_smp_processor_id.cold+0x88/0x9b [ 57.561562][ T6813] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.566709][ T6813] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.572147][ T6813] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.577910][ T6813] ext4_ext_map_blocks+0x2044/0x3410 [ 57.583178][ T6813] ? ext4_ext_release+0x10/0x10 [ 57.588019][ T6813] ? __down_timeout+0x2d0/0x2d0 [ 57.592882][ T6813] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.598322][ T6813] ext4_map_blocks+0x4cb/0x1640 [ 57.603152][ T6813] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.608325][ T6813] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.613846][ T6813] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.619813][ T6813] ? prandom_u32_state+0xe/0x170 [ 57.624730][ T6813] ? __brelse+0x84/0xa0 [ 57.628861][ T6813] ? __ext4_new_inode+0x144/0x57c0 [ 57.633950][ T6813] ext4_getblk+0xad/0x520 [ 57.638256][ T6813] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 57.643950][ T6813] ? ext4_free_inode+0x17e0/0x17e0 [ 57.649036][ T6813] ext4_bread+0x7c/0x380 [ 57.653254][ T6813] ? ext4_getblk+0x520/0x520 [ 57.657831][ T6813] ? dqget+0xff0/0xff0 [ 57.661877][ T6813] ext4_append+0x153/0x360 [ 57.666288][ T6813] ext4_mkdir+0x5e0/0xdf0 [ 57.670604][ T6813] ? ext4_rmdir+0xde0/0xde0 [ 57.675097][ T6813] ? security_inode_permission+0xc4/0xf0 [ 57.680712][ T6813] vfs_mkdir+0x419/0x690 [ 57.684936][ T6813] do_mkdirat+0x21e/0x280 [ 57.689245][ T6813] ? __ia32_sys_mknod+0xb0/0xb0 [ 57.694071][ T6813] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.700029][ T6813] ? do_syscall_64+0x21/0x7d0 [ 57.704683][ T6813] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.710655][ T6813] do_syscall_64+0xf6/0x7d0 [ 57.715154][ T6813] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.721022][ T6813] RIP: 0033:0x45bee7 [ 57.724909][ T6813] 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 [ 57.744494][ T6813] RSP: 002b:00007fff828923c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 57.752901][ T6813] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 57.760863][ T6813] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007fff828925a0 [ 57.768826][ T6813] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 00000000000036c0 [ 57.776775][ T6813] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 57.784737][ T6813] R13: 00007fff828925a0 R14: 8421084210842109 R15: 00007fff828925ac [ 57.815265][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 57.824528][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.830508][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 57.838392][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.848438][ T1155] Call Trace: [ 57.851729][ T1155] dump_stack+0x188/0x20d [ 57.856062][ T1155] debug_smp_processor_id.cold+0x88/0x9b [ 57.861693][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.866798][ T1155] ? __kmalloc+0x62f/0x7a0 [ 57.871222][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.876678][ T1155] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.882406][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 57.887684][ T1155] ? ext4_ext_release+0x10/0x10 [ 57.892613][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 57.897453][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.902901][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 57.907738][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.912916][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 57.918365][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.923889][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.929857][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.935294][ T1155] ext4_writepages+0x1ab7/0x3400 [ 57.940211][ T1155] ? mark_lock+0x30/0xdd0 [ 57.944540][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 57.950175][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 57.955838][ T1155] ? do_writepages+0xfa/0x2a0 [ 57.960495][ T1155] do_writepages+0xfa/0x2a0 [ 57.964980][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 57.970595][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 57.975710][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 57.980921][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 57.985760][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 57.991454][ T1155] ? collapse_file+0x3575/0x4300 [ 57.996369][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 58.002417][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 58.007595][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.013552][ T1155] collapse_file+0x357f/0x4300 [ 58.018312][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 58.023656][ T1155] ? khugepaged+0x24fa/0x3f80 [ 58.028318][ T1155] khugepaged+0x3049/0x3f80 [ 58.032807][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 58.038415][ T1155] ? lock_downgrade+0x840/0x840 [ 58.043237][ T1155] ? finish_wait+0x260/0x260 [ 58.047813][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 58.053593][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.059549][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 58.064546][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 58.070151][ T1155] kthread+0x388/0x470 [ 58.074193][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.079886][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.085588][ T1155] ret_from_fork+0x24/0x30 [ 58.109059][ T6814] IPVS: ftp: loaded support on port[0] = 21 [ 58.149384][ T6814] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6814 [ 58.159534][ T6814] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.165428][ T6814] CPU: 0 PID: 6814 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 58.173654][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.183694][ T6814] Call Trace: [ 58.186988][ T6814] dump_stack+0x188/0x20d [ 58.187947][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 58.191317][ T6814] debug_smp_processor_id.cold+0x88/0x9b [ 58.200357][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.205918][ T6814] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.216868][ T6814] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.222314][ T6814] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.228017][ T6814] ext4_ext_map_blocks+0x2044/0x3410 [ 58.233286][ T6814] ? ext4_ext_release+0x10/0x10 [ 58.238128][ T6814] ? __down_timeout+0x2d0/0x2d0 [ 58.242959][ T6814] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.248403][ T6814] ext4_map_blocks+0x4cb/0x1640 [ 58.253245][ T6814] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.258423][ T6814] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.263948][ T6814] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.269911][ T6814] ? prandom_u32_state+0xe/0x170 [ 58.274830][ T6814] ? __brelse+0x84/0xa0 [ 58.278975][ T6814] ? __ext4_new_inode+0x144/0x57c0 [ 58.284072][ T6814] ext4_getblk+0xad/0x520 [ 58.288386][ T6814] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.294088][ T6814] ? ext4_free_inode+0x17e0/0x17e0 [ 58.299193][ T6814] ext4_bread+0x7c/0x380 [ 58.303425][ T6814] ? ext4_getblk+0x520/0x520 [ 58.307993][ T6814] ? dqget+0xff0/0xff0 [ 58.312046][ T6814] ext4_append+0x153/0x360 [ 58.316447][ T6814] ext4_mkdir+0x5e0/0xdf0 [ 58.320772][ T6814] ? ext4_rmdir+0xde0/0xde0 [ 58.325258][ T6814] ? security_inode_permission+0xc4/0xf0 [ 58.330875][ T6814] vfs_mkdir+0x419/0x690 [ 58.335103][ T6814] do_mkdirat+0x21e/0x280 [ 58.339416][ T6814] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.344246][ T6814] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.350206][ T6814] ? do_syscall_64+0x21/0x7d0 [ 58.354876][ T6814] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.360845][ T6814] do_syscall_64+0xf6/0x7d0 [ 58.365331][ T6814] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.371201][ T6814] RIP: 0033:0x45bee7 [ 58.375085][ T6814] 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 [ 58.394667][ T6814] RSP: 002b:00007fff828922b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 58.403054][ T6814] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 58.411002][ T6814] RDX: 00007fff82892303 RSI: 00000000000001ff RDI: 00007fff82892300 [ 58.418954][ T6814] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 58.426905][ T6814] R10: 0000000000000064 R11: 0000000000000206 R12: 00000000004185d0 [ 58.434853][ T6814] R13: 00007fff828922f0 R14: 0000000000000000 R15: 00007fff82892300 [ 58.442823][ T1155] CPU: 1 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 58.450709][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.460771][ T1155] Call Trace: [ 58.464062][ T1155] dump_stack+0x188/0x20d [ 58.468402][ T1155] debug_smp_processor_id.cold+0x88/0x9b [ 58.474035][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.479156][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.484621][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 58.490791][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 58.496090][ T1155] ? ext4_ext_release+0x10/0x10 [ 58.500957][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 58.505806][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.511364][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 58.516224][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.521421][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 58.526885][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.532435][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.538448][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 58.543912][ T1155] ext4_writepages+0x1ab7/0x3400 [ 58.548851][ T1155] ? mark_lock+0x30/0xdd0 [ 58.553193][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 58.558851][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 58.564484][ T1155] ? do_writepages+0xfa/0x2a0 [ 58.569160][ T1155] do_writepages+0xfa/0x2a0 [ 58.573671][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 58.579310][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 58.581990][ T6814] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6814 [ 58.584342][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 58.593754][ T6814] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.598866][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 58.598886][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 58.598901][ T1155] ? collapse_file+0x3575/0x4300 [ 58.598915][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 58.598937][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 58.598951][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.598971][ T1155] collapse_file+0x357f/0x4300 [ 58.642209][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 58.647561][ T1155] ? khugepaged+0x24fa/0x3f80 [ 58.652232][ T1155] khugepaged+0x3049/0x3f80 [ 58.656731][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 58.662342][ T1155] ? lock_downgrade+0x840/0x840 [ 58.667174][ T1155] ? finish_wait+0x260/0x260 [ 58.671746][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 58.677538][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.683504][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 58.688508][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 58.694120][ T1155] kthread+0x388/0x470 [ 58.698168][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.703863][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.709567][ T1155] ret_from_fork+0x24/0x30 [ 58.713978][ T6814] CPU: 0 PID: 6814 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 58.722206][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.732255][ T6814] Call Trace: [ 58.735546][ T6814] dump_stack+0x188/0x20d [ 58.739881][ T6814] debug_smp_processor_id.cold+0x88/0x9b [ 58.745510][ T6814] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.750630][ T6814] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.756092][ T6814] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.761815][ T6814] ext4_ext_map_blocks+0x2044/0x3410 [ 58.767106][ T6814] ? ext4_ext_release+0x10/0x10 [ 58.771976][ T6814] ? __down_timeout+0x2d0/0x2d0 [ 58.776831][ T6814] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.782296][ T6814] ext4_map_blocks+0x4cb/0x1640 [ 58.787152][ T6814] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.792342][ T6814] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.797418][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 58.797880][ T6814] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.806892][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.812845][ T6814] ? prandom_u32_state+0xe/0x170 [ 58.823638][ T6814] ? __brelse+0x84/0xa0 [ 58.827773][ T6814] ? __ext4_new_inode+0x144/0x57c0 [ 58.832872][ T6814] ext4_getblk+0xad/0x520 [ 58.837195][ T6814] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.842897][ T6814] ? ext4_free_inode+0x17e0/0x17e0 [ 58.847991][ T6814] ext4_bread+0x7c/0x380 [ 58.852215][ T6814] ? ext4_getblk+0x520/0x520 [ 58.856788][ T6814] ? dqget+0xff0/0xff0 [ 58.860844][ T6814] ext4_append+0x153/0x360 [ 58.865245][ T6814] ext4_mkdir+0x5e0/0xdf0 [ 58.869572][ T6814] ? ext4_rmdir+0xde0/0xde0 [ 58.874068][ T6814] ? security_inode_permission+0xc4/0xf0 [ 58.879698][ T6814] vfs_mkdir+0x419/0x690 [ 58.884008][ T6814] do_mkdirat+0x21e/0x280 [ 58.888320][ T6814] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.893150][ T6814] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.899197][ T6814] ? do_syscall_64+0x21/0x7d0 [ 58.903853][ T6814] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.909819][ T6814] do_syscall_64+0xf6/0x7d0 [ 58.914305][ T6814] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.920184][ T6814] RIP: 0033:0x45bee7 [ 58.924064][ T6814] 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 [ 58.943655][ T6814] RSP: 002b:00007fff828922b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 58.952049][ T6814] RAX: ffffffffffffffda RBX: 000000000000e4c8 RCX: 000000000045bee7 [ 58.960003][ T6814] RDX: 00007fff82892303 RSI: 00000000000001ff RDI: 00007fff82892300 [ 58.967954][ T6814] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 58.975905][ T6814] R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000003 [ 58.983856][ T6814] R13: 00007fff828922f0 R14: 000000000000e469 R15: 00007fff82892300 [ 58.991837][ T1155] CPU: 1 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 58.999730][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.009772][ T1155] Call Trace: [ 59.013038][ T1155] dump_stack+0x188/0x20d [ 59.017367][ T1155] debug_smp_processor_id.cold+0x88/0x9b [ 59.023000][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.028121][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.033576][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 59.039710][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 59.044978][ T1155] ? ext4_ext_release+0x10/0x10 [ 59.049819][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 59.054649][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.060091][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 59.064924][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.070112][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 59.075565][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.081089][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.087048][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.092499][ T1155] ext4_writepages+0x1ab7/0x3400 [ 59.097429][ T1155] ? mark_lock+0x30/0xdd0 [ 59.101747][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 59.107383][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 59.112991][ T1155] ? do_writepages+0xfa/0x2a0 [ 59.117648][ T1155] do_writepages+0xfa/0x2a0 [ 59.122132][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 59.127744][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 59.132831][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 59.138006][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 59.142847][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 59.148546][ T1155] ? collapse_file+0x3575/0x4300 [ 59.153460][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 59.159520][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 59.164695][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.170656][ T1155] collapse_file+0x357f/0x4300 [ 59.175422][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 59.180773][ T1155] ? khugepaged+0x24fa/0x3f80 [ 59.185441][ T1155] khugepaged+0x3049/0x3f80 [ 59.189958][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.195574][ T1155] ? lock_downgrade+0x840/0x840 2020/06/13 01:17:47 building call list... [ 59.200404][ T1155] ? finish_wait+0x260/0x260 [ 59.204972][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 59.210756][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.216718][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 59.221733][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.227356][ T1155] kthread+0x388/0x470 [ 59.231401][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.237109][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.242806][ T1155] ret_from_fork+0x24/0x30 [ 59.566066][ T21] tipc: TX() has been purged, node left! executing program [ 61.014329][ T6796] can: request_module (can-proto-0) failed. [ 61.569582][ T6796] can: request_module (can-proto-0) failed. [ 61.580978][ T6796] can: request_module (can-proto-0) failed.