[ 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... [ 53.254957][ T6725] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6725 [ 53.264532][ T6725] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 53.270411][ T6725] CPU: 0 PID: 6725 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 53.278622][ T6725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.288655][ T6725] Call Trace: [ 53.291952][ T6725] dump_stack+0x188/0x20d [ 53.296262][ T6725] debug_smp_processor_id.cold+0x88/0x9b [ 53.301876][ T6725] ext4_mb_new_blocks+0xa77/0x3b30 [ 53.307045][ T6725] ? ext4_ext_search_right+0x2ca/0xb20 [ 53.312489][ T6725] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 53.318249][ T6725] ext4_ext_map_blocks+0x2044/0x3410 [ 53.323520][ T6725] ? ext4_ext_release+0x10/0x10 [ 53.328359][ T6725] ? __down_timeout+0x2d0/0x2d0 [ 53.333193][ T6725] ? ext4_es_lookup_extent+0x41d/0xd30 [ 53.338680][ T6725] ext4_map_blocks+0x4cb/0x1640 [ 53.343886][ T6725] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 53.349070][ T6725] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 53.354632][ T6725] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 53.360591][ T6725] ? prandom_u32_state+0xe/0x170 [ 53.365509][ T6725] ? __brelse+0x84/0xa0 [ 53.369766][ T6725] ? __ext4_new_inode+0x144/0x57c0 [ 53.375911][ T6725] ext4_getblk+0xad/0x520 [ 53.380233][ T6725] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 53.385935][ T6725] ? ext4_free_inode+0x17e0/0x17e0 [ 53.391023][ T6725] ext4_bread+0x7c/0x380 [ 53.395242][ T6725] ? ext4_getblk+0x520/0x520 [ 53.399807][ T6725] ? dqget+0xff0/0xff0 [ 53.403874][ T6725] ext4_append+0x153/0x360 [ 53.408270][ T6725] ext4_mkdir+0x5e0/0xdf0 [ 53.412580][ T6725] ? ext4_rmdir+0xde0/0xde0 [ 53.417064][ T6725] ? security_inode_permission+0xc4/0xf0 [ 53.422680][ T6725] vfs_mkdir+0x419/0x690 [ 53.426900][ T6725] do_mkdirat+0x21e/0x280 [ 53.431232][ T6725] ? __ia32_sys_mknod+0xb0/0xb0 [ 53.436075][ T6725] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 53.442294][ T6725] ? do_syscall_64+0x21/0x7d0 [ 53.447020][ T6725] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 53.453000][ T6725] do_syscall_64+0xf6/0x7d0 [ 53.457490][ T6725] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 53.463376][ T6725] RIP: 0033:0x7f293332e687 [ 53.467771][ T6725] 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 [ 53.487367][ T6725] RSP: 002b:00007ffc54434628 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 53.495785][ T6725] RAX: ffffffffffffffda RBX: 00005619f8774985 RCX: 00007f293332e687 [ 53.503753][ T6725] RDX: 00007ffc544344f0 RSI: 00000000000001ed RDI: 00005619f8774985 [ 53.511717][ T6725] RBP: 00007f293332e680 R08: 0000000000000100 R09: 0000000000000000 [ 53.519680][ T6725] R10: 00005619f8774980 R11: 0000000000000246 R12: 00000000000001ed [ 53.527628][ T6725] R13: 00007ffc544347b0 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 57.551575][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 57.560551][ T7] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.566699][ T7] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-syzkaller #0 [ 57.574600][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.584735][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 57.590696][ T7] Call Trace: [ 57.593978][ T7] dump_stack+0x188/0x20d [ 57.598290][ T7] debug_smp_processor_id.cold+0x88/0x9b [ 57.603916][ T7] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.609004][ T7] ? __kmalloc+0x62f/0x7a0 [ 57.613404][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.618856][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.624557][ T7] ext4_ext_map_blocks+0x2044/0x3410 [ 57.629845][ T7] ? ext4_ext_release+0x10/0x10 [ 57.634714][ T7] ? __down_timeout+0x2d0/0x2d0 [ 57.639545][ T7] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.644981][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 57.650442][ T7] ext4_map_blocks+0x4cb/0x1640 [ 57.655986][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.661176][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 57.666635][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.672157][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.678130][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.683568][ T7] ext4_writepages+0x1ab7/0x3400 [ 57.688495][ T7] ? __ext4_mark_inode_dirty+0x950/0x950 [ 57.694105][ T7] ? __lock_acquire+0x2224/0x48a0 [ 57.699203][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.705164][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.711125][ T7] ? __ext4_mark_inode_dirty+0x950/0x950 [ 57.718823][ T7] ? do_writepages+0xfa/0x2a0 [ 57.723478][ T7] do_writepages+0xfa/0x2a0 [ 57.727979][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 57.733589][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 57.739028][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.744574][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.750532][ T7] ? lock_downgrade+0x840/0x840 [ 57.755368][ T7] __writeback_single_inode+0x12a/0x1410 [ 57.760998][ T7] ? _raw_spin_unlock+0x24/0x40 [ 57.765972][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 57.771945][ T7] writeback_sb_inodes+0x515/0xdd0 [ 57.777087][ T7] ? __writeback_single_inode+0x1410/0x1410 [ 57.783067][ T7] __writeback_inodes_wb+0xc3/0x250 [ 57.788305][ T7] wb_writeback+0x910/0xd90 [ 57.792801][ T7] ? print_usage_bug+0x240/0x240 [ 57.797780][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 57.804108][ T7] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 57.809986][ T7] ? cpumask_next+0x3c/0x40 [ 57.814493][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 57.819672][ T7] wb_workfn+0xadf/0x10d0 [ 57.824008][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 57.829545][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 57.834987][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.840529][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.846664][ T7] process_one_work+0x965/0x16a0 [ 57.851592][ T7] ? lock_release+0x800/0x800 [ 57.856260][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 57.861611][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 57.866530][ T7] worker_thread+0x96/0xe10 [ 57.871030][ T7] ? process_one_work+0x16a0/0x16a0 [ 57.876220][ T7] kthread+0x388/0x470 [ 57.880286][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.885990][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.891691][ T7] ret_from_fork+0x24/0x30 Warning: Permanently added '10.128.0.203' (ECDSA) to the list of known hosts. 2020/06/10 17:43:51 fuzzer started 2020/06/10 17:43:51 connecting to host at 10.128.0.26:36367 2020/06/10 17:43:51 checking machine... 2020/06/10 17:43:51 checking revisions... 2020/06/10 17:43:51 testing simple program... [ 58.758057][ T6797] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6797 [ 58.767420][ T6797] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.773411][ T6797] CPU: 1 PID: 6797 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 58.781386][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.791420][ T6797] Call Trace: [ 58.794695][ T6797] dump_stack+0x188/0x20d [ 58.799004][ T6797] debug_smp_processor_id.cold+0x88/0x9b [ 58.805311][ T6797] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.810405][ T6797] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.815868][ T6797] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.821596][ T6797] ext4_ext_map_blocks+0x2044/0x3410 [ 58.826903][ T6797] ? ext4_ext_release+0x10/0x10 [ 58.831774][ T6797] ? __down_timeout+0x2d0/0x2d0 [ 58.836604][ T6797] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.842049][ T6797] ext4_map_blocks+0x4cb/0x1640 [ 58.846897][ T6797] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.852139][ T6797] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.857673][ T6797] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.863637][ T6797] ? prandom_u32_state+0xe/0x170 [ 58.868556][ T6797] ? __brelse+0x84/0xa0 [ 58.872692][ T6797] ? __ext4_new_inode+0x144/0x57c0 [ 58.877784][ T6797] ext4_getblk+0xad/0x520 [ 58.882096][ T6797] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.887795][ T6797] ? ext4_free_inode+0x17e0/0x17e0 [ 58.892916][ T6797] ext4_bread+0x7c/0x380 [ 58.897152][ T6797] ? ext4_getblk+0x520/0x520 [ 58.901738][ T6797] ? dqget+0xff0/0xff0 [ 58.905799][ T6797] ext4_append+0x153/0x360 [ 58.910197][ T6797] ext4_mkdir+0x5e0/0xdf0 [ 58.914512][ T6797] ? ext4_rmdir+0xde0/0xde0 [ 58.919010][ T6797] ? security_inode_permission+0xc4/0xf0 [ 58.924640][ T6797] vfs_mkdir+0x419/0x690 [ 58.928877][ T6797] do_mkdirat+0x21e/0x280 [ 58.933193][ T6797] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.938027][ T6797] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.943991][ T6797] ? do_syscall_64+0x21/0x7d0 [ 58.948674][ T6797] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.954673][ T6797] do_syscall_64+0xf6/0x7d0 [ 58.959168][ T6797] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.965044][ T6797] RIP: 0033:0x4b02a0 [ 58.968933][ T6797] 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 [ 58.988601][ T6797] RSP: 002b:000000c00004f4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 58.996992][ T6797] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 59.004962][ T6797] RDX: 00000000000001c0 RSI: 000000c0000ccd60 RDI: ffffffffffffff9c [ 59.012973][ T6797] RBP: 000000c00004f510 R08: 0000000000000000 R09: 0000000000000000 [ 59.020923][ T6797] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 59.028894][ T6797] R13: 000000000000006c R14: 000000000000006b R15: 0000000000000100 [ 59.047470][ T6810] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6810 [ 59.056987][ T6810] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.063018][ T6810] CPU: 0 PID: 6810 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.071508][ T6810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.081553][ T6810] Call Trace: [ 59.084843][ T6810] dump_stack+0x188/0x20d [ 59.089168][ T6810] debug_smp_processor_id.cold+0x88/0x9b [ 59.094813][ T6810] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.100000][ T6810] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.105459][ T6810] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.111168][ T6810] ext4_ext_map_blocks+0x2044/0x3410 [ 59.116461][ T6810] ? ext4_ext_release+0x10/0x10 [ 59.121511][ T6810] ? __down_timeout+0x2d0/0x2d0 [ 59.126390][ T6810] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.133196][ T6810] ext4_map_blocks+0x4cb/0x1640 [ 59.138042][ T6810] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.143395][ T6810] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.148934][ T6810] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.154892][ T6810] ? prandom_u32_state+0xe/0x170 [ 59.159834][ T6810] ? __brelse+0x84/0xa0 [ 59.163971][ T6810] ? __ext4_new_inode+0x144/0x57c0 [ 59.169078][ T6810] ext4_getblk+0xad/0x520 [ 59.173388][ T6810] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.179088][ T6810] ? ext4_free_inode+0x17e0/0x17e0 [ 59.184178][ T6810] ext4_bread+0x7c/0x380 [ 59.188419][ T6810] ? ext4_getblk+0x520/0x520 [ 59.193088][ T6810] ? dqget+0xff0/0xff0 [ 59.197160][ T6810] ext4_append+0x153/0x360 [ 59.201580][ T6810] ext4_mkdir+0x5e0/0xdf0 [ 59.207117][ T6810] ? ext4_rmdir+0xde0/0xde0 [ 59.211732][ T6810] ? security_inode_permission+0xc4/0xf0 [ 59.217542][ T6810] vfs_mkdir+0x419/0x690 [ 59.221854][ T6810] do_mkdirat+0x21e/0x280 [ 59.226172][ T6810] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.231010][ T6810] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.236973][ T6810] ? do_syscall_64+0x21/0x7d0 [ 59.241632][ T6810] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.247655][ T6810] do_syscall_64+0xf6/0x7d0 [ 59.252146][ T6810] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.258024][ T6810] RIP: 0033:0x45bee7 [ 59.262419][ T6810] 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 [ 59.282110][ T6810] RSP: 002b:00007ffd7868e748 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 59.290544][ T6810] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 59.298516][ T6810] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 00007ffd7868e920 [ 59.306466][ T6810] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000002880 [ 59.314414][ T6810] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 59.322388][ T6810] R13: 00007ffd7868e920 R14: 8421084210842109 R15: 00007ffd7868e92c [ 59.404961][ T6811] IPVS: ftp: loaded support on port[0] = 21 [ 59.439948][ T6811] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6811 [ 59.449412][ T6811] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.455509][ T6811] CPU: 0 PID: 6811 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.463856][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.473902][ T6811] Call Trace: [ 59.477192][ T6811] dump_stack+0x188/0x20d [ 59.481522][ T6811] debug_smp_processor_id.cold+0x88/0x9b [ 59.487133][ T6811] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.492233][ T6811] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.497670][ T6811] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.503370][ T6811] ext4_ext_map_blocks+0x2044/0x3410 [ 59.508636][ T6811] ? ext4_ext_release+0x10/0x10 [ 59.513496][ T6811] ? __down_timeout+0x2d0/0x2d0 [ 59.518339][ T6811] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.523777][ T6811] ext4_map_blocks+0x4cb/0x1640 [ 59.528609][ T6811] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.533786][ T6811] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.539308][ T6811] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.545265][ T6811] ? prandom_u32_state+0xe/0x170 [ 59.550194][ T6811] ? __brelse+0x84/0xa0 [ 59.554344][ T6811] ? __ext4_new_inode+0x144/0x57c0 [ 59.559435][ T6811] ext4_getblk+0xad/0x520 [ 59.563744][ T6811] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.569443][ T6811] ? ext4_free_inode+0x17e0/0x17e0 [ 59.574533][ T6811] ext4_bread+0x7c/0x380 [ 59.578836][ T6811] ? ext4_getblk+0x520/0x520 [ 59.583432][ T6811] ? dqget+0xff0/0xff0 [ 59.587635][ T6811] ext4_append+0x153/0x360 [ 59.592058][ T6811] ext4_mkdir+0x5e0/0xdf0 [ 59.596528][ T6811] ? ext4_rmdir+0xde0/0xde0 [ 59.601067][ T6811] ? security_inode_permission+0xc4/0xf0 [ 59.606689][ T6811] vfs_mkdir+0x419/0x690 [ 59.610917][ T6811] do_mkdirat+0x21e/0x280 [ 59.615226][ T6811] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.620055][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.626030][ T6811] ? do_syscall_64+0x21/0x7d0 [ 59.630685][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.636648][ T6811] do_syscall_64+0xf6/0x7d0 [ 59.641133][ T6811] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.647002][ T6811] RIP: 0033:0x45bee7 [ 59.650876][ T6811] 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 [ 59.670454][ T6811] RSP: 002b:00007ffd7868e638 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 59.678840][ T6811] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 59.686788][ T6811] RDX: 00007ffd7868e683 RSI: 00000000000001ff RDI: 00007ffd7868e680 [ 59.694737][ T6811] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 59.702712][ T6811] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0 [ 59.710660][ T6811] R13: 00007ffd7868e670 R14: 0000000000000000 R15: 00007ffd7868e680 [ 59.762854][ T6811] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6811 [ 59.773368][ T6811] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.779279][ T6811] CPU: 0 PID: 6811 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.787512][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.797565][ T6811] Call Trace: [ 59.800867][ T6811] dump_stack+0x188/0x20d [ 59.805212][ T6811] debug_smp_processor_id.cold+0x88/0x9b [ 59.810855][ T6811] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.815988][ T6811] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.821455][ T6811] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.827278][ T6811] ext4_ext_map_blocks+0x2044/0x3410 [ 59.832579][ T6811] ? ext4_ext_release+0x10/0x10 [ 59.837428][ T6811] ? __down_timeout+0x2d0/0x2d0 [ 59.842271][ T6811] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.847711][ T6811] ext4_map_blocks+0x4cb/0x1640 [ 59.852561][ T6811] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.857740][ T6811] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.863275][ T6811] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.869229][ T6811] ? prandom_u32_state+0xe/0x170 [ 59.874146][ T6811] ? __brelse+0x84/0xa0 [ 59.878279][ T6811] ? __ext4_new_inode+0x144/0x57c0 [ 59.883369][ T6811] ext4_getblk+0xad/0x520 [ 59.887679][ T6811] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.893383][ T6811] ? ext4_free_inode+0x17e0/0x17e0 [ 59.898489][ T6811] ext4_bread+0x7c/0x380 [ 59.902810][ T6811] ? ext4_getblk+0x520/0x520 [ 59.907376][ T6811] ? dqget+0xff0/0xff0 [ 59.911429][ T6811] ext4_append+0x153/0x360 [ 59.915889][ T6811] ext4_mkdir+0x5e0/0xdf0 [ 59.920306][ T6811] ? ext4_rmdir+0xde0/0xde0 [ 59.924821][ T6811] ? security_inode_permission+0xc4/0xf0 [ 59.930963][ T6811] vfs_mkdir+0x419/0x690 [ 59.935192][ T6811] do_mkdirat+0x21e/0x280 [ 59.939578][ T6811] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.944442][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.950520][ T6811] ? do_syscall_64+0x21/0x7d0 [ 59.955559][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.961654][ T6811] do_syscall_64+0xf6/0x7d0 [ 59.966265][ T6811] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.972139][ T6811] RIP: 0033:0x45bee7 [ 59.976030][ T6811] 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 [ 59.995646][ T6811] RSP: 002b:00007ffd7868e638 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 60.004033][ T6811] RAX: ffffffffffffffda RBX: 000000000000e972 RCX: 000000000045bee7 2020/06/10 17:43:53 building call list... [ 60.011983][ T6811] RDX: 00007ffd7868e683 RSI: 00000000000001ff RDI: 00007ffd7868e680 [ 60.019930][ T6811] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 60.027878][ T6811] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 60.035840][ T6811] R13: 00007ffd7868e670 R14: 000000000000e95d R15: 00007ffd7868e680 [ 60.330298][ T7] tipc: TX() has been purged, node left! executing program [ 61.719183][ T6798] can: request_module (can-proto-0) failed. [ 61.795686][ T1153] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1153 [ 61.805040][ T1153] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 61.811038][ T1153] CPU: 1 PID: 1153 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 61.818919][ T1153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.828962][ T1153] Call Trace: [ 61.832254][ T1153] dump_stack+0x188/0x20d [ 61.836588][ T1153] debug_smp_processor_id.cold+0x88/0x9b [ 61.842218][ T1153] ext4_mb_new_blocks+0xa77/0x3b30 [ 61.847322][ T1153] ? __kmalloc+0x62f/0x7a0 [ 61.851745][ T1153] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.857204][ T1153] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 61.862922][ T1153] ext4_ext_map_blocks+0x2044/0x3410 [ 61.868208][ T1153] ? ext4_ext_release+0x10/0x10 [ 61.873071][ T1153] ? __down_timeout+0x2d0/0x2d0 [ 61.877913][ T1153] ? ext4_es_lookup_extent+0x41d/0xd30 [ 61.883373][ T1153] ext4_map_blocks+0x4cb/0x1640 [ 61.888344][ T1153] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.893546][ T1153] ? debug_smp_processor_id+0x2f/0x185 [ 61.899015][ T1153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.904566][ T1153] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.910548][ T1153] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 61.916003][ T1153] ext4_writepages+0x1ab7/0x3400 [ 61.921027][ T1153] ? mark_lock+0x30/0xdd0 [ 61.925367][ T1153] ? __ext4_mark_inode_dirty+0x950/0x950 [ 61.931026][ T1153] ? __ext4_mark_inode_dirty+0x950/0x950 [ 61.936652][ T1153] ? do_writepages+0xfa/0x2a0 [ 61.941867][ T1153] do_writepages+0xfa/0x2a0 [ 61.946384][ T1153] ? page_writeback_cpu_online+0x10/0x10 [ 61.952031][ T1153] ? do_raw_spin_lock+0x129/0x2e0 [ 61.957061][ T1153] ? do_raw_spin_unlock+0x171/0x260 [ 61.962256][ T1153] ? _raw_spin_unlock+0x24/0x40 [ 61.967109][ T1153] __filemap_fdatawrite_range+0x2aa/0x390 [ 61.972824][ T1153] ? collapse_file+0x3575/0x4300 [ 61.977773][ T1153] ? delete_from_page_cache_batch+0xec0/0xec0 [ 61.983854][ T1153] ? _raw_spin_unlock_irq+0x1f/0x80 [ 61.989065][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.995083][ T1153] collapse_file+0x357f/0x4300 [ 61.999889][ T1153] ? collapse_huge_page+0x4370/0x4370 [ 62.005430][ T1153] ? khugepaged+0x24fa/0x3f80 [ 62.010151][ T1153] khugepaged+0x3049/0x3f80 [ 62.015630][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.021258][ T1153] ? lock_downgrade+0x840/0x840 [ 62.026102][ T1153] ? finish_wait+0x260/0x260 [ 62.030691][ T1153] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 62.036509][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.042580][ T1153] ? __kthread_parkme+0x13f/0x1e0 [ 62.047728][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.053373][ T1153] kthread+0x388/0x470 [ 62.057451][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.063204][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.069155][ T1153] ret_from_fork+0x24/0x30 [ 62.117307][ T1153] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1153 [ 62.126746][ T1153] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 62.132798][ T1153] CPU: 1 PID: 1153 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 62.140847][ T1153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.150901][ T1153] Call Trace: [ 62.154177][ T1153] dump_stack+0x188/0x20d [ 62.158508][ T1153] debug_smp_processor_id.cold+0x88/0x9b [ 62.164124][ T1153] ext4_mb_new_blocks+0xa77/0x3b30 [ 62.169226][ T1153] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.174667][ T1153] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 62.180802][ T1153] ext4_ext_map_blocks+0x2044/0x3410 [ 62.186071][ T1153] ? ext4_ext_release+0x10/0x10 [ 62.191344][ T1153] ? __down_timeout+0x2d0/0x2d0 [ 62.196199][ T1153] ? ext4_es_lookup_extent+0x41d/0xd30 [ 62.201640][ T1153] ext4_map_blocks+0x4cb/0x1640 [ 62.206478][ T1153] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.211670][ T1153] ? debug_smp_processor_id+0x2f/0x185 [ 62.217112][ T1153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.222636][ T1153] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.228609][ T1153] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 62.234066][ T1153] ext4_writepages+0x1ab7/0x3400 [ 62.238996][ T1153] ? mark_lock+0x30/0xdd0 [ 62.243336][ T1153] ? __ext4_mark_inode_dirty+0x950/0x950 [ 62.249009][ T1153] ? __ext4_mark_inode_dirty+0x950/0x950 [ 62.254632][ T1153] ? do_writepages+0xfa/0x2a0 [ 62.259313][ T1153] do_writepages+0xfa/0x2a0 [ 62.263801][ T1153] ? page_writeback_cpu_online+0x10/0x10 [ 62.269490][ T1153] ? do_raw_spin_lock+0x129/0x2e0 [ 62.274508][ T1153] ? do_raw_spin_unlock+0x171/0x260 [ 62.279688][ T1153] ? _raw_spin_unlock+0x24/0x40 [ 62.284523][ T1153] __filemap_fdatawrite_range+0x2aa/0x390 [ 62.290229][ T1153] ? collapse_file+0x3575/0x4300 [ 62.295315][ T1153] ? delete_from_page_cache_batch+0xec0/0xec0 [ 62.301460][ T1153] ? _raw_spin_unlock_irq+0x1f/0x80 [ 62.306654][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.312829][ T1153] collapse_file+0x357f/0x4300 [ 62.317949][ T1153] ? collapse_huge_page+0x4370/0x4370 [ 62.323333][ T1153] ? khugepaged+0x24fa/0x3f80 [ 62.328551][ T1153] khugepaged+0x3049/0x3f80 [ 62.333053][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.338669][ T1153] ? lock_downgrade+0x840/0x840 [ 62.343599][ T1153] ? finish_wait+0x260/0x260 [ 62.348176][ T1153] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 62.353972][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.359934][ T1153] ? __kthread_parkme+0x13f/0x1e0 [ 62.364943][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.370553][ T1153] kthread+0x388/0x470 [ 62.374631][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.380342][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.386237][ T1153] ret_from_fork+0x24/0x30 [ 62.424226][ T1153] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1153 [ 62.433642][ T1153] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 62.439617][ T1153] CPU: 1 PID: 1153 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 62.447505][ T1153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.457565][ T1153] Call Trace: [ 62.460865][ T1153] dump_stack+0x188/0x20d [ 62.465377][ T1153] debug_smp_processor_id.cold+0x88/0x9b [ 62.471006][ T1153] ext4_mb_new_blocks+0xa77/0x3b30 [ 62.476120][ T1153] ? ext4_ext_map_blocks+0x1da9/0x3410 [ 62.481570][ T1153] ? ext4_ext_find_goal+0x89/0x200 [ 62.486764][ T1153] ? ext4_ext_find_goal+0x109/0x200 [ 62.491980][ T1153] ext4_ext_map_blocks+0x2044/0x3410 [ 62.497304][ T1153] ? ext4_ext_release+0x10/0x10 [ 62.502179][ T1153] ? __down_timeout+0x2d0/0x2d0 [ 62.507025][ T1153] ? ext4_es_lookup_extent+0x41d/0xd30 [ 62.512485][ T1153] ext4_map_blocks+0x4cb/0x1640 [ 62.517347][ T1153] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.522634][ T1153] ? debug_smp_processor_id+0x2f/0x185 [ 62.528174][ T1153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.533733][ T1153] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.539883][ T1153] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 62.545338][ T1153] ext4_writepages+0x1ab7/0x3400 [ 62.550265][ T1153] ? mark_lock+0x30/0xdd0 [ 62.554600][ T1153] ? __ext4_mark_inode_dirty+0x950/0x950 [ 62.560240][ T1153] ? __ext4_mark_inode_dirty+0x950/0x950 [ 62.565868][ T1153] ? do_writepages+0xfa/0x2a0 [ 62.570748][ T1153] do_writepages+0xfa/0x2a0 [ 62.575239][ T1153] ? page_writeback_cpu_online+0x10/0x10 [ 62.580900][ T1153] ? do_raw_spin_lock+0x129/0x2e0 [ 62.585992][ T1153] ? do_raw_spin_unlock+0x171/0x260 [ 62.591182][ T1153] ? _raw_spin_unlock+0x24/0x40 [ 62.596014][ T1153] __filemap_fdatawrite_range+0x2aa/0x390 [ 62.601712][ T1153] ? collapse_file+0x3575/0x4300 [ 62.606634][ T1153] ? delete_from_page_cache_batch+0xec0/0xec0 [ 62.612699][ T1153] ? _raw_spin_unlock_irq+0x1f/0x80 [ 62.621434][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.627496][ T1153] collapse_file+0x357f/0x4300 [ 62.632253][ T1153] ? collapse_huge_page+0x4370/0x4370 [ 62.637600][ T1153] ? khugepaged+0x24fa/0x3f80 [ 62.642276][ T1153] khugepaged+0x3049/0x3f80 [ 62.646962][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.652592][ T1153] ? lock_downgrade+0x840/0x840 [ 62.657436][ T1153] ? finish_wait+0x260/0x260 [ 62.662021][ T1153] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 62.667814][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.673776][ T1153] ? __kthread_parkme+0x13f/0x1e0 [ 62.678778][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.684389][ T1153] kthread+0x388/0x470 [ 62.688433][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.694137][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.699836][ T1153] ret_from_fork+0x24/0x30 [ 62.893586][ T6798] can: request_module (can-proto-0) failed. [ 62.905393][ T6798] can: request_module (can-proto-0) failed.