[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ 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... [ 52.889095][ T6723] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6723 [ 52.898652][ T6723] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 52.905000][ T6723] CPU: 1 PID: 6723 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 52.913339][ T6723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.923375][ T6723] Call Trace: [ 52.926649][ T6723] dump_stack+0x188/0x20d [ 52.930982][ T6723] debug_smp_processor_id.cold+0x88/0x9b [ 52.936593][ T6723] ext4_mb_new_blocks+0xa77/0x3b30 [ 52.941699][ T6723] ? ext4_ext_search_right+0x2ca/0xb20 [ 52.947151][ T6723] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 52.952869][ T6723] ext4_ext_map_blocks+0x2044/0x3410 [ 52.958134][ T6723] ? ext4_ext_release+0x10/0x10 [ 52.962990][ T6723] ? __down_timeout+0x2d0/0x2d0 [ 52.967833][ T6723] ? ext4_es_lookup_extent+0x41d/0xd30 [ 52.973273][ T6723] ext4_map_blocks+0x4cb/0x1640 [ 52.978106][ T6723] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 52.983284][ T6723] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.988820][ T6723] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 52.994795][ T6723] ? prandom_u32_state+0xe/0x170 [ 52.999728][ T6723] ? __brelse+0x84/0xa0 [ 53.003879][ T6723] ? __ext4_new_inode+0x144/0x57c0 [ 53.008968][ T6723] ext4_getblk+0xad/0x520 [ 53.013278][ T6723] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 53.018991][ T6723] ? ext4_free_inode+0x17e0/0x17e0 [ 53.024101][ T6723] ext4_bread+0x7c/0x380 [ 53.028344][ T6723] ? ext4_getblk+0x520/0x520 [ 53.032911][ T6723] ? dqget+0xff0/0xff0 [ 53.036962][ T6723] ext4_append+0x153/0x360 [ 53.041360][ T6723] ext4_mkdir+0x5e0/0xdf0 [ 53.045687][ T6723] ? ext4_rmdir+0xde0/0xde0 [ 53.050190][ T6723] ? security_inode_permission+0xc4/0xf0 [ 53.055805][ T6723] vfs_mkdir+0x419/0x690 [ 53.061084][ T6723] do_mkdirat+0x21e/0x280 [ 53.065403][ T6723] ? __ia32_sys_mknod+0xb0/0xb0 [ 53.070229][ T6723] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 53.076202][ T6723] ? do_syscall_64+0x21/0x7d0 [ 53.080864][ T6723] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 53.086823][ T6723] do_syscall_64+0xf6/0x7d0 [ 53.091310][ T6723] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 53.097250][ T6723] RIP: 0033:0x7f157f78c687 [ 53.101697][ T6723] 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 [ 53.121505][ T6723] RSP: 002b:00007fff3e356638 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 53.129928][ T6723] RAX: ffffffffffffffda RBX: 0000557e16d4f985 RCX: 00007f157f78c687 [ 53.137881][ T6723] RDX: 00007fff3e356500 RSI: 00000000000001ed RDI: 0000557e16d4f985 [ 53.145842][ T6723] RBP: 00007f157f78c680 R08: 0000000000000100 R09: 0000000000000000 [ 53.153887][ T6723] R10: 0000557e16d4f980 R11: 0000000000000246 R12: 00000000000001ed [ 53.162313][ T6723] R13: 00007fff3e3567c0 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 56.319409][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 56.328372][ T7] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 56.334422][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-syzkaller #0 [ 56.342323][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.352385][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 56.358353][ T7] Call Trace: [ 56.361650][ T7] dump_stack+0x188/0x20d [ 56.365971][ T7] debug_smp_processor_id.cold+0x88/0x9b [ 56.371601][ T7] ext4_mb_new_blocks+0xa77/0x3b30 [ 56.376693][ T7] ? __kmalloc+0x62f/0x7a0 [ 56.381094][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 56.386545][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 56.392266][ T7] ext4_ext_map_blocks+0x2044/0x3410 [ 56.397532][ T7] ? ext4_ext_release+0x10/0x10 [ 56.402376][ T7] ? __down_timeout+0x2d0/0x2d0 [ 56.407207][ T7] ? ext4_es_lookup_extent+0x41d/0xd30 [ 56.412647][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 56.418087][ T7] ext4_map_blocks+0x4cb/0x1640 [ 56.422952][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 56.428144][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 56.433603][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.439146][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.445117][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 56.450557][ T7] ext4_writepages+0x1ab7/0x3400 [ 56.455488][ T7] ? __ext4_mark_inode_dirty+0x950/0x950 [ 56.461138][ T7] ? __lock_acquire+0x2224/0x48a0 [ 56.466179][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.472172][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.478153][ T7] ? __ext4_mark_inode_dirty+0x950/0x950 [ 56.483784][ T7] ? do_writepages+0xfa/0x2a0 [ 56.488439][ T7] do_writepages+0xfa/0x2a0 [ 56.492940][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 56.498568][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 56.504037][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.509580][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.515561][ T7] ? lock_downgrade+0x840/0x840 [ 56.520396][ T7] __writeback_single_inode+0x12a/0x1410 [ 56.526011][ T7] ? _raw_spin_unlock+0x24/0x40 [ 56.530849][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 56.536825][ T7] writeback_sb_inodes+0x515/0xdd0 [ 56.541926][ T7] ? __writeback_single_inode+0x1410/0x1410 [ 56.547849][ T7] __writeback_inodes_wb+0xc3/0x250 [ 56.553034][ T7] wb_writeback+0x910/0xd90 [ 56.557539][ T7] ? print_usage_bug+0x240/0x240 [ 56.562480][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 56.568791][ T7] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 56.574665][ T7] ? cpumask_next+0x3c/0x40 [ 56.579162][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 56.584360][ T7] wb_workfn+0xadf/0x10d0 [ 56.588673][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 56.594209][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 56.599671][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.605231][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.611214][ T7] process_one_work+0x965/0x16a0 [ 56.616159][ T7] ? lock_release+0x800/0x800 [ 56.620846][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 56.626223][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 56.631166][ T7] worker_thread+0x96/0xe10 [ 56.635675][ T7] ? process_one_work+0x16a0/0x16a0 [ 56.640882][ T7] kthread+0x388/0x470 [ 56.644949][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.650647][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.656345][ T7] ret_from_fork+0x24/0x30 Warning: Permanently added '10.128.10.43' (ECDSA) to the list of known hosts. 2020/06/16 17:57:26 fuzzer started 2020/06/16 17:57:26 connecting to host at 10.128.0.26:35449 2020/06/16 17:57:26 checking machine... 2020/06/16 17:57:26 checking revisions... 2020/06/16 17:57:26 testing simple program... [ 58.655202][ T6799] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6799 [ 58.664382][ T6799] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.670486][ T6799] CPU: 0 PID: 6799 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 58.678462][ T6799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.688504][ T6799] Call Trace: [ 58.691783][ T6799] dump_stack+0x188/0x20d [ 58.696115][ T6799] debug_smp_processor_id.cold+0x88/0x9b [ 58.701729][ T6799] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.706828][ T6799] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.712266][ T6799] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.718096][ T6799] ext4_ext_map_blocks+0x2044/0x3410 [ 58.723491][ T6799] ? ext4_ext_release+0x10/0x10 [ 58.728424][ T6799] ? __down_timeout+0x2d0/0x2d0 [ 58.733258][ T6799] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.738727][ T6799] ext4_map_blocks+0x4cb/0x1640 [ 58.743571][ T6799] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.748867][ T6799] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.754420][ T6799] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.760389][ T6799] ? prandom_u32_state+0xe/0x170 [ 58.765330][ T6799] ? __brelse+0x84/0xa0 [ 58.769477][ T6799] ? __ext4_new_inode+0x144/0x57c0 [ 58.774584][ T6799] ext4_getblk+0xad/0x520 [ 58.778898][ T6799] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.784614][ T6799] ? ext4_free_inode+0x17e0/0x17e0 [ 58.789723][ T6799] ext4_bread+0x7c/0x380 [ 58.794052][ T6799] ? ext4_getblk+0x520/0x520 [ 58.798636][ T6799] ? dqget+0xff0/0xff0 [ 58.802722][ T6799] ext4_append+0x153/0x360 [ 58.807141][ T6799] ext4_mkdir+0x5e0/0xdf0 [ 58.811470][ T6799] ? ext4_rmdir+0xde0/0xde0 [ 58.815955][ T6799] ? security_inode_permission+0xc4/0xf0 [ 58.821690][ T6799] vfs_mkdir+0x419/0x690 [ 58.825916][ T6799] do_mkdirat+0x21e/0x280 [ 58.830574][ T6799] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.835401][ T6799] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.841446][ T6799] ? do_syscall_64+0x21/0x7d0 [ 58.846101][ T6799] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.852067][ T6799] do_syscall_64+0xf6/0x7d0 [ 58.856577][ T6799] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.862480][ T6799] RIP: 0033:0x4b02a0 [ 58.866354][ T6799] 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 [ 58.885955][ T6799] RSP: 002b:000000c0000e14b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 58.894342][ T6799] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 58.902308][ T6799] RDX: 00000000000001c0 RSI: 000000c0000d0780 RDI: ffffffffffffff9c [ 58.910272][ T6799] RBP: 000000c0000e1510 R08: 0000000000000000 R09: 0000000000000000 [ 58.918221][ T6799] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 58.926167][ T6799] R13: 000000000000003d R14: 000000000000003c R15: 0000000000000100 [ 58.941964][ T6812] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6812 [ 58.951428][ T6812] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.957325][ T6812] CPU: 0 PID: 6812 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 58.965546][ T6812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.975612][ T6812] Call Trace: [ 58.978891][ T6812] dump_stack+0x188/0x20d [ 58.983215][ T6812] debug_smp_processor_id.cold+0x88/0x9b [ 58.988854][ T6812] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.994137][ T6812] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.999600][ T6812] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.005735][ T6812] ext4_ext_map_blocks+0x2044/0x3410 [ 59.011006][ T6812] ? ext4_ext_release+0x10/0x10 [ 59.015894][ T6812] ? __down_timeout+0x2d0/0x2d0 [ 59.020725][ T6812] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.026191][ T6812] ext4_map_blocks+0x4cb/0x1640 [ 59.031042][ T6812] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.036410][ T6812] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.041938][ T6812] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.047903][ T6812] ? prandom_u32_state+0xe/0x170 [ 59.052822][ T6812] ? __brelse+0x84/0xa0 [ 59.056975][ T6812] ? __ext4_new_inode+0x144/0x57c0 [ 59.062070][ T6812] ext4_getblk+0xad/0x520 [ 59.066379][ T6812] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.072094][ T6812] ? ext4_free_inode+0x17e0/0x17e0 [ 59.077187][ T6812] ext4_bread+0x7c/0x380 [ 59.081413][ T6812] ? ext4_getblk+0x520/0x520 [ 59.085978][ T6812] ? dqget+0xff0/0xff0 [ 59.090030][ T6812] ext4_append+0x153/0x360 [ 59.094440][ T6812] ext4_mkdir+0x5e0/0xdf0 [ 59.098754][ T6812] ? ext4_rmdir+0xde0/0xde0 [ 59.103243][ T6812] ? security_inode_permission+0xc4/0xf0 [ 59.108860][ T6812] vfs_mkdir+0x419/0x690 [ 59.113087][ T6812] do_mkdirat+0x21e/0x280 [ 59.117395][ T6812] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.122236][ T6812] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.128209][ T6812] ? do_syscall_64+0x21/0x7d0 [ 59.132877][ T6812] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.139024][ T6812] do_syscall_64+0xf6/0x7d0 [ 59.143528][ T6812] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.149409][ T6812] RIP: 0033:0x45bed7 [ 59.153612][ T6812] 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 [ 59.173215][ T6812] RSP: 002b:00007fffd39f08b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 59.181608][ T6812] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bed7 [ 59.189558][ T6812] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007fffd39f0a90 [ 59.197523][ T6812] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000003800 [ 59.205482][ T6812] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 59.213431][ T6812] R13: 00007fffd39f0a90 R14: 8421084210842109 R15: 00007fffd39f0a9c [ 59.295564][ T6813] IPVS: ftp: loaded support on port[0] = 21 [ 59.333234][ T6813] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6813 [ 59.342834][ T6813] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.348846][ T6813] CPU: 1 PID: 6813 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.357092][ T6813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.367215][ T6813] Call Trace: [ 59.370492][ T6813] dump_stack+0x188/0x20d [ 59.374821][ T6813] debug_smp_processor_id.cold+0x88/0x9b [ 59.380467][ T6813] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.385585][ T6813] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.391049][ T6813] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.397361][ T6813] ext4_ext_map_blocks+0x2044/0x3410 [ 59.402649][ T6813] ? ext4_ext_release+0x10/0x10 [ 59.407515][ T6813] ? __down_timeout+0x2d0/0x2d0 [ 59.412347][ T6813] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.418138][ T6813] ext4_map_blocks+0x4cb/0x1640 [ 59.422974][ T6813] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.428171][ T6813] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.433711][ T6813] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.439688][ T6813] ? prandom_u32_state+0xe/0x170 [ 59.444630][ T6813] ? __brelse+0x84/0xa0 [ 59.448915][ T6813] ? __ext4_new_inode+0x144/0x57c0 [ 59.454011][ T6813] ext4_getblk+0xad/0x520 [ 59.458336][ T6813] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.464051][ T6813] ? ext4_free_inode+0x17e0/0x17e0 [ 59.469158][ T6813] ext4_bread+0x7c/0x380 [ 59.473400][ T6813] ? ext4_getblk+0x520/0x520 [ 59.477975][ T6813] ? dqget+0xff0/0xff0 [ 59.482051][ T6813] ext4_append+0x153/0x360 [ 59.486466][ T6813] ext4_mkdir+0x5e0/0xdf0 [ 59.490781][ T6813] ? ext4_rmdir+0xde0/0xde0 [ 59.495264][ T6813] ? security_inode_permission+0xc4/0xf0 [ 59.500944][ T6813] vfs_mkdir+0x419/0x690 [ 59.505167][ T6813] do_mkdirat+0x21e/0x280 [ 59.509478][ T6813] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.514329][ T6813] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.520290][ T6813] ? do_syscall_64+0x21/0x7d0 [ 59.524961][ T6813] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.530937][ T6813] do_syscall_64+0xf6/0x7d0 [ 59.535441][ T6813] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.541308][ T6813] RIP: 0033:0x45bed7 [ 59.545201][ 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 [ 59.566114][ T6813] RSP: 002b:00007fffd39f07a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 59.574517][ T6813] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bed7 [ 59.582482][ T6813] RDX: 00007fffd39f07f3 RSI: 00000000000001ff RDI: 00007fffd39f07f0 [ 59.590441][ T6813] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 59.598476][ T6813] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185c0 [ 59.606432][ T6813] R13: 00007fffd39f07e0 R14: 0000000000000000 R15: 00007fffd39f07f0 [ 59.654664][ T6813] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6813 [ 59.664287][ T6813] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.670271][ T6813] CPU: 0 PID: 6813 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.678509][ T6813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.688568][ T6813] Call Trace: [ 59.691869][ T6813] dump_stack+0x188/0x20d [ 59.696210][ T6813] debug_smp_processor_id.cold+0x88/0x9b [ 59.701855][ T6813] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.707022][ T6813] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.712483][ T6813] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.718348][ T6813] ext4_ext_map_blocks+0x2044/0x3410 [ 59.723650][ T6813] ? ext4_ext_release+0x10/0x10 [ 59.728546][ T6813] ? __down_timeout+0x2d0/0x2d0 [ 59.733458][ T6813] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.738933][ T6813] ext4_map_blocks+0x4cb/0x1640 [ 59.743769][ T6813] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.748964][ T6813] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.754497][ T6813] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.760474][ T6813] ? prandom_u32_state+0xe/0x170 [ 59.765391][ T6813] ? __brelse+0x84/0xa0 [ 59.769539][ T6813] ? __ext4_new_inode+0x144/0x57c0 [ 59.774652][ T6813] ext4_getblk+0xad/0x520 [ 59.778989][ T6813] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.784712][ T6813] ? ext4_free_inode+0x17e0/0x17e0 [ 59.789813][ T6813] ext4_bread+0x7c/0x380 [ 59.794055][ T6813] ? ext4_getblk+0x520/0x520 [ 59.798623][ T6813] ? dqget+0xff0/0xff0 [ 59.802688][ T6813] ext4_append+0x153/0x360 [ 59.807085][ T6813] ext4_mkdir+0x5e0/0xdf0 [ 59.811400][ T6813] ? ext4_rmdir+0xde0/0xde0 [ 59.815901][ T6813] ? security_inode_permission+0xc4/0xf0 [ 59.821520][ T6813] vfs_mkdir+0x419/0x690 [ 59.825742][ T6813] do_mkdirat+0x21e/0x280 [ 59.830055][ T6813] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.834885][ T6813] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.840848][ T6813] ? do_syscall_64+0x21/0x7d0 [ 59.845505][ T6813] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 2020/06/16 17:57:27 building call list... [ 59.851469][ T6813] do_syscall_64+0xf6/0x7d0 [ 59.855950][ T6813] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.861827][ T6813] RIP: 0033:0x45bed7 [ 59.865700][ 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 [ 59.885285][ T6813] RSP: 002b:00007fffd39f07a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 59.893675][ T6813] RAX: ffffffffffffffda RBX: 000000000000e8fb RCX: 000000000045bed7 [ 59.901729][ T6813] RDX: 00007fffd39f07f3 RSI: 00000000000001ff RDI: 00007fffd39f07f0 [ 59.909694][ T6813] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 59.917657][ T6813] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 59.925622][ T6813] R13: 00007fffd39f07e0 R14: 000000000000e8f5 R15: 00007fffd39f07f0 [ 60.238248][ T185] tipc: TX() has been purged, node left! [ 61.453668][ T1157] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1157 [ 61.463057][ T1157] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 61.469068][ T1157] CPU: 1 PID: 1157 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 61.476947][ T1157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.486992][ T1157] Call Trace: [ 61.490284][ T1157] dump_stack+0x188/0x20d [ 61.494615][ T1157] debug_smp_processor_id.cold+0x88/0x9b [ 61.500244][ T1157] ext4_mb_new_blocks+0xa77/0x3b30 [ 61.505469][ T1157] ? __kmalloc+0x62f/0x7a0 [ 61.510065][ T1157] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.515531][ T1157] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 61.521282][ T1157] ext4_ext_map_blocks+0x2044/0x3410 [ 61.526570][ T1157] ? ext4_ext_release+0x10/0x10 [ 61.531438][ T1157] ? __down_timeout+0x2d0/0x2d0 [ 61.536289][ T1157] ? ext4_es_lookup_extent+0x41d/0xd30 [ 61.541751][ T1157] ext4_map_blocks+0x4cb/0x1640 [ 61.546611][ T1157] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.551804][ T1157] ? debug_smp_processor_id+0x2f/0x185 [ 61.557441][ T1157] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.562983][ T1157] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.568980][ T1157] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 61.574447][ T1157] ext4_writepages+0x1ab7/0x3400 [ 61.579384][ T1157] ? mark_lock+0x30/0xdd0 [ 61.583725][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 61.589385][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 61.595012][ T1157] ? do_writepages+0xfa/0x2a0 [ 61.600234][ T1157] do_writepages+0xfa/0x2a0 [ 61.604742][ T1157] ? page_writeback_cpu_online+0x10/0x10 [ 61.610374][ T1157] ? do_raw_spin_lock+0x129/0x2e0 [ 61.615399][ T1157] ? do_raw_spin_unlock+0x171/0x260 [ 61.620594][ T1157] ? _raw_spin_unlock+0x24/0x40 [ 61.625556][ T1157] __filemap_fdatawrite_range+0x2aa/0x390 [ 61.631270][ T1157] ? collapse_file+0x3575/0x4300 [ 61.636202][ T1157] ? delete_from_page_cache_batch+0xec0/0xec0 [ 61.642272][ T1157] ? _raw_spin_unlock_irq+0x1f/0x80 [ 61.647466][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 executing program [ 61.653445][ T1157] collapse_file+0x357f/0x4300 [ 61.658245][ T1157] ? collapse_huge_page+0x4370/0x4370 [ 61.663611][ T1157] ? khugepaged+0x24fa/0x3f80 [ 61.668303][ T1157] khugepaged+0x3049/0x3f80 [ 61.672842][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.678560][ T1157] ? lock_downgrade+0x840/0x840 [ 61.683405][ T1157] ? finish_wait+0x260/0x260 [ 61.688011][ T1157] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 61.693828][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.699811][ T1157] ? __kthread_parkme+0x13f/0x1e0 [ 61.704830][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.710479][ T1157] kthread+0x388/0x470 [ 61.714540][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.720251][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.725968][ T1157] ret_from_fork+0x24/0x30 [ 61.816229][ T6797] can: request_module (can-proto-0) failed. [ 61.868442][ T1157] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1157 [ 61.877569][ T1157] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 61.883463][ T1157] CPU: 1 PID: 1157 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 61.891341][ T1157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.901390][ T1157] Call Trace: [ 61.904682][ T1157] dump_stack+0x188/0x20d [ 61.909168][ T1157] debug_smp_processor_id.cold+0x88/0x9b [ 61.914849][ T1157] ext4_mb_new_blocks+0xa77/0x3b30 [ 61.919967][ T1157] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.925533][ T1157] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 61.931681][ T1157] ext4_ext_map_blocks+0x2044/0x3410 [ 61.936969][ T1157] ? ext4_ext_release+0x10/0x10 [ 61.941834][ T1157] ? __down_timeout+0x2d0/0x2d0 [ 61.946679][ T1157] ? ext4_es_lookup_extent+0x41d/0xd30 [ 61.952155][ T1157] ext4_map_blocks+0x4cb/0x1640 [ 61.957010][ T1157] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.962201][ T1157] ? debug_smp_processor_id+0x2f/0x185 [ 61.967690][ T1157] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.973222][ T1157] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.979199][ T1157] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 61.984643][ T1157] ext4_writepages+0x1ab7/0x3400 [ 61.989566][ T1157] ? mark_lock+0x30/0xdd0 [ 61.993887][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 61.999534][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 62.005155][ T1157] ? do_writepages+0xfa/0x2a0 [ 62.009813][ T1157] do_writepages+0xfa/0x2a0 [ 62.014307][ T1157] ? page_writeback_cpu_online+0x10/0x10 [ 62.019922][ T1157] ? do_raw_spin_lock+0x129/0x2e0 [ 62.024928][ T1157] ? do_raw_spin_unlock+0x171/0x260 [ 62.030106][ T1157] ? _raw_spin_unlock+0x24/0x40 [ 62.034962][ T1157] __filemap_fdatawrite_range+0x2aa/0x390 [ 62.040662][ T1157] ? collapse_file+0x3575/0x4300 [ 62.045594][ T1157] ? delete_from_page_cache_batch+0xec0/0xec0 [ 62.051668][ T1157] ? _raw_spin_unlock_irq+0x1f/0x80 [ 62.056847][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.062987][ T1157] collapse_file+0x357f/0x4300 [ 62.067764][ T1157] ? collapse_huge_page+0x4370/0x4370 [ 62.073117][ T1157] ? khugepaged+0x24fa/0x3f80 [ 62.077792][ T1157] khugepaged+0x3049/0x3f80 [ 62.082320][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.087969][ T1157] ? lock_downgrade+0x840/0x840 [ 62.092827][ T1157] ? finish_wait+0x260/0x260 [ 62.097411][ T1157] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 62.103210][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.109295][ T1157] ? __kthread_parkme+0x13f/0x1e0 [ 62.114308][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.119925][ T1157] kthread+0x388/0x470 [ 62.123997][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.129714][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.135415][ T1157] ret_from_fork+0x24/0x30 [ 62.182286][ T1157] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1157 [ 62.191466][ T1157] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 62.197517][ T1157] CPU: 1 PID: 1157 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 62.205398][ T1157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.215451][ T1157] Call Trace: [ 62.218746][ T1157] dump_stack+0x188/0x20d [ 62.223222][ T1157] debug_smp_processor_id.cold+0x88/0x9b [ 62.228835][ T1157] ext4_mb_new_blocks+0xa77/0x3b30 [ 62.233934][ T1157] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.239375][ T1157] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 62.245505][ T1157] ext4_ext_map_blocks+0x2044/0x3410 [ 62.250836][ T1157] ? ext4_ext_release+0x10/0x10 [ 62.255692][ T1157] ? __down_timeout+0x2d0/0x2d0 [ 62.260523][ T1157] ? ext4_es_lookup_extent+0x41d/0xd30 [ 62.266072][ T1157] ext4_map_blocks+0x4cb/0x1640 [ 62.270918][ T1157] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.276200][ T1157] ? debug_smp_processor_id+0x2f/0x185 [ 62.281667][ T1157] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.287198][ T1157] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.293162][ T1157] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 62.298621][ T1157] ext4_writepages+0x1ab7/0x3400 [ 62.303561][ T1157] ? mark_lock+0x30/0xdd0 [ 62.307877][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 62.313523][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 62.319151][ T1157] ? do_writepages+0xfa/0x2a0 [ 62.323808][ T1157] do_writepages+0xfa/0x2a0 [ 62.328294][ T1157] ? page_writeback_cpu_online+0x10/0x10 [ 62.333926][ T1157] ? do_raw_spin_lock+0x129/0x2e0 [ 62.338929][ T1157] ? do_raw_spin_unlock+0x171/0x260 [ 62.344127][ T1157] ? _raw_spin_unlock+0x24/0x40 [ 62.348975][ T1157] __filemap_fdatawrite_range+0x2aa/0x390 [ 62.354691][ T1157] ? collapse_file+0x3575/0x4300 [ 62.359608][ T1157] ? delete_from_page_cache_batch+0xec0/0xec0 [ 62.365802][ T1157] ? _raw_spin_unlock_irq+0x1f/0x80 [ 62.370982][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.377073][ T1157] collapse_file+0x357f/0x4300 [ 62.381836][ T1157] ? collapse_huge_page+0x4370/0x4370 [ 62.387203][ T1157] ? khugepaged+0x24fa/0x3f80 [ 62.391898][ T1157] khugepaged+0x3049/0x3f80 [ 62.396413][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.402043][ T1157] ? lock_downgrade+0x840/0x840 [ 62.406873][ T1157] ? finish_wait+0x260/0x260 [ 62.411467][ T1157] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 62.417251][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.423234][ T1157] ? __kthread_parkme+0x13f/0x1e0 [ 62.428258][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.433886][ T1157] kthread+0x388/0x470 [ 62.437932][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.443629][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.449340][ T1157] ret_from_fork+0x24/0x30 [ 62.851988][ T6797] can: request_module (can-proto-0) failed. [ 62.863840][ T6797] can: request_module (can-proto-0) failed.