Starting Load/Save RF Kill Switch Status... [ 55.321605][ T6741] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6741 [ 55.331300][ T6741] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 55.337307][ T6741] CPU: 1 PID: 6741 Comm: systemd-rfkill Not tainted 5.7.0-next-20200605-syzkaller #0 [ 55.346749][ T6741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.356783][ T6741] Call Trace: [ 55.360231][ T6741] dump_stack+0x18f/0x20d [ 55.364575][ T6741] check_preemption_disabled+0x20d/0x220 [ 55.370489][ T6741] ext4_mb_new_blocks+0xa4d/0x3b70 [ 55.375602][ T6741] ? ext4_ext_search_right+0x2ca/0xb20 [ 55.381050][ T6741] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 55.386781][ T6741] ext4_ext_map_blocks+0x201b/0x33e0 [ 55.392058][ T6741] ? ext4_ext_release+0x10/0x10 [ 55.396906][ T6741] ? down_write_killable+0x170/0x170 [ 55.402184][ T6741] ? ext4_es_lookup_extent+0x41d/0xd10 [ 55.408604][ T6741] ext4_map_blocks+0x4cb/0x1640 [ 55.413455][ T6741] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 55.418638][ T6741] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 55.424182][ T6741] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 55.430140][ T6741] ? prandom_u32_state+0xe/0x170 [ 55.435081][ T6741] ? __brelse+0x84/0xa0 [ 55.439458][ T6741] ? __ext4_new_inode+0x144/0x55e0 [ 55.445601][ T6741] ext4_getblk+0xad/0x520 [ 55.449918][ T6741] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 55.455629][ T6741] ? ext4_free_inode+0x1700/0x1700 [ 55.460741][ T6741] ext4_bread+0x7c/0x380 [ 55.464964][ T6741] ? ext4_getblk+0x520/0x520 [ 55.469535][ T6741] ? dquot_get_next_dqblk+0x180/0x180 [ 55.474892][ T6741] ext4_append+0x153/0x360 [ 55.479398][ T6741] ext4_mkdir+0x5e0/0xdf0 [ 55.483707][ T6741] ? ext4_rmdir+0xde0/0xde0 [ 55.488194][ T6741] ? security_inode_permission+0xc4/0xf0 [ 55.493910][ T6741] vfs_mkdir+0x419/0x690 [ 55.498154][ T6741] do_mkdirat+0x21e/0x280 [ 55.502479][ T6741] ? __ia32_sys_mknod+0xb0/0xb0 [ 55.507339][ T6741] ? do_syscall_64+0x1c/0xe0 [ 55.512192][ T6741] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 55.518444][ T6741] do_syscall_64+0x60/0xe0 [ 55.522861][ T6741] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.528759][ T6741] RIP: 0033:0x7f9921d56687 [ 55.533180][ T6741] Code: Bad RIP value. [ 55.537228][ T6741] RSP: 002b:00007ffe8891c1b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 55.545723][ T6741] RAX: ffffffffffffffda RBX: 000055d1d24f2985 RCX: 00007f9921d56687 [ 55.553673][ T6741] RDX: 00007ffe8891c080 RSI: 00000000000001ed RDI: 000055d1d24f2985 [ 55.561625][ T6741] RBP: 00007f9921d56680 R08: 0000000000000100 R09: 0000000000000000 [ 55.569577][ T6741] R10: 000055d1d24f2980 R11: 0000000000000246 R12: 00000000000001ed [ 55.577527][ T6741] R13: 00007ffe8891c340 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. [ 56.995012][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 57.004072][ T7] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.009949][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 57.019381][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.029420][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 57.035429][ T7] Call Trace: [ 57.038734][ T7] dump_stack+0x18f/0x20d [ 57.043060][ T7] check_preemption_disabled+0x20d/0x220 [ 57.048696][ T7] ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.053874][ T7] ? ext4_find_extent+0x81a/0xad0 [ 57.058890][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.064326][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.070024][ T7] ext4_ext_map_blocks+0x201b/0x33e0 [ 57.075298][ T7] ? ext4_ext_release+0x10/0x10 [ 57.081155][ T7] ? down_write_killable+0x170/0x170 [ 57.086607][ T7] ? ext4_es_lookup_extent+0x41d/0xd10 [ 57.092063][ T7] ext4_map_blocks+0x4cb/0x1640 [ 57.097365][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.102567][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.108125][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.114104][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.119572][ T7] ext4_writepages+0x1a7b/0x33c0 [ 57.124508][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.130118][ T7] ? __lock_acquire+0x2224/0x48b0 [ 57.135130][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.141104][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.147508][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.153118][ T7] ? do_writepages+0xfa/0x2a0 [ 57.157771][ T7] do_writepages+0xfa/0x2a0 [ 57.162260][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 57.167892][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.173416][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.179371][ T7] ? lock_downgrade+0x840/0x840 [ 57.184202][ T7] __writeback_single_inode+0x12a/0x13d0 [ 57.189825][ T7] ? _raw_spin_unlock+0x24/0x40 [ 57.194653][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 57.200750][ T7] writeback_sb_inodes+0x515/0xdc0 [ 57.205875][ T7] ? __writeback_single_inode+0x13d0/0x13d0 [ 57.211763][ T7] __writeback_inodes_wb+0xc3/0x250 [ 57.216949][ T7] wb_writeback+0x8db/0xd50 [ 57.221444][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 57.227774][ T7] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 57.233661][ T7] ? cpumask_next+0x3c/0x40 [ 57.238157][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 57.243357][ T7] wb_workfn+0xab3/0x1090 [ 57.247687][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 57.253214][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.258745][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.264707][ T7] process_one_work+0x965/0x1690 [ 57.269629][ T7] ? lock_release+0x800/0x800 [ 57.274282][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 57.279744][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 57.286264][ T7] worker_thread+0x96/0xe10 [ 57.290764][ T7] ? process_one_work+0x1690/0x1690 [ 57.295954][ T7] kthread+0x3b5/0x4a0 [ 57.300000][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.305697][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.311431][ T7] ret_from_fork+0x1f/0x30 Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.85' (ECDSA) to the list of known hosts. 2020/06/05 07:24:18 fuzzer started 2020/06/05 07:24:18 connecting to host at 10.128.0.26:41373 2020/06/05 07:24:18 checking machine... 2020/06/05 07:24:18 checking revisions... 2020/06/05 07:24:18 testing simple program... syzkaller login: [ 61.064054][ T6803] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6803 [ 61.073270][ T6803] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.079166][ T6803] CPU: 1 PID: 6803 Comm: syz-fuzzer Not tainted 5.7.0-next-20200605-syzkaller #0 [ 61.088267][ T6803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.098347][ T6803] Call Trace: [ 61.101641][ T6803] dump_stack+0x18f/0x20d [ 61.105956][ T6803] check_preemption_disabled+0x20d/0x220 [ 61.111567][ T6803] ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.116671][ T6803] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.122109][ T6803] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 61.127833][ T6803] ext4_ext_map_blocks+0x201b/0x33e0 [ 61.133117][ T6803] ? ext4_ext_release+0x10/0x10 [ 61.137954][ T6803] ? down_write_killable+0x170/0x170 [ 61.143230][ T6803] ? ext4_es_lookup_extent+0x41d/0xd10 [ 61.148667][ T6803] ext4_map_blocks+0x4cb/0x1640 [ 61.153516][ T6803] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.158693][ T6803] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.164230][ T6803] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.170188][ T6803] ? prandom_u32_state+0xe/0x170 [ 61.175106][ T6803] ? __brelse+0x84/0xa0 [ 61.179254][ T6803] ? __ext4_new_inode+0x144/0x55e0 [ 61.184342][ T6803] ext4_getblk+0xad/0x520 [ 61.188735][ T6803] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 61.194789][ T6803] ? ext4_free_inode+0x1700/0x1700 [ 61.199892][ T6803] ext4_bread+0x7c/0x380 [ 61.204119][ T6803] ? ext4_getblk+0x520/0x520 [ 61.208687][ T6803] ? dquot_get_next_dqblk+0x180/0x180 [ 61.214067][ T6803] ext4_append+0x153/0x360 [ 61.218463][ T6803] ext4_mkdir+0x5e0/0xdf0 [ 61.222795][ T6803] ? ext4_rmdir+0xde0/0xde0 [ 61.227298][ T6803] ? security_inode_permission+0xc4/0xf0 [ 61.232920][ T6803] vfs_mkdir+0x419/0x690 [ 61.237155][ T6803] do_mkdirat+0x21e/0x280 [ 61.241465][ T6803] ? __ia32_sys_mknod+0xb0/0xb0 [ 61.246296][ T6803] ? do_syscall_64+0x1c/0xe0 [ 61.250879][ T6803] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.256854][ T6803] do_syscall_64+0x60/0xe0 [ 61.261268][ T6803] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.267223][ T6803] RIP: 0033:0x4b02a0 [ 61.271094][ T6803] Code: Bad RIP value. [ 61.275968][ T6803] RSP: 002b:000000c0000db4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 61.284357][ T6803] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 61.292321][ T6803] RDX: 00000000000001c0 RSI: 000000c000026d80 RDI: ffffffffffffff9c [ 61.300281][ T6803] RBP: 000000c0000db510 R08: 0000000000000000 R09: 0000000000000000 [ 61.308231][ T6803] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 61.316201][ T6803] R13: 000000000000006d R14: 000000000000006c R15: 0000000000000100 [ 61.343416][ T6822] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6822 [ 61.352884][ T6822] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.358872][ T6822] CPU: 0 PID: 6822 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 61.368398][ T6822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.378435][ T6822] Call Trace: [ 61.381712][ T6822] dump_stack+0x18f/0x20d [ 61.386073][ T6822] check_preemption_disabled+0x20d/0x220 [ 61.391701][ T6822] ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.396806][ T6822] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.402258][ T6822] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 61.407978][ T6822] ext4_ext_map_blocks+0x201b/0x33e0 [ 61.413256][ T6822] ? ext4_ext_release+0x10/0x10 [ 61.418095][ T6822] ? down_write_killable+0x170/0x170 [ 61.423555][ T6822] ? ext4_es_lookup_extent+0x41d/0xd10 [ 61.429017][ T6822] ext4_map_blocks+0x4cb/0x1640 [ 61.433849][ T6822] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.439477][ T6822] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.445105][ T6822] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.451063][ T6822] ? prandom_u32_state+0xe/0x170 [ 61.455983][ T6822] ? __brelse+0x84/0xa0 [ 61.460236][ T6822] ? __ext4_new_inode+0x144/0x55e0 [ 61.465339][ T6822] ext4_getblk+0xad/0x520 [ 61.469710][ T6822] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 61.475429][ T6822] ? ext4_free_inode+0x1700/0x1700 [ 61.480534][ T6822] ext4_bread+0x7c/0x380 [ 61.485348][ T6822] ? ext4_getblk+0x520/0x520 [ 61.489925][ T6822] ? dquot_get_next_dqblk+0x180/0x180 [ 61.495311][ T6822] ext4_append+0x153/0x360 [ 61.500693][ T6822] ext4_mkdir+0x5e0/0xdf0 [ 61.505054][ T6822] ? ext4_rmdir+0xde0/0xde0 [ 61.509578][ T6822] ? security_inode_permission+0xc4/0xf0 [ 61.515225][ T6822] vfs_mkdir+0x419/0x690 [ 61.519474][ T6822] do_mkdirat+0x21e/0x280 [ 61.523903][ T6822] ? __ia32_sys_mknod+0xb0/0xb0 [ 61.528760][ T6822] ? do_syscall_64+0x1c/0xe0 [ 61.533344][ T6822] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.539396][ T6822] do_syscall_64+0x60/0xe0 [ 61.543932][ T6822] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.549836][ T6822] RIP: 0033:0x45bee7 [ 61.553734][ T6822] Code: Bad RIP value. [ 61.557808][ T6822] RSP: 002b:00007ffcb8ab8f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 61.566199][ T6822] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 61.574165][ T6822] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007ffcb8ab9140 [ 61.582117][ T6822] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000003740 [ 61.590067][ T6822] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 61.598035][ T6822] R13: 00007ffcb8ab9140 R14: 8421084210842109 R15: 00007ffcb8ab914c [ 61.695460][ T6823] IPVS: ftp: loaded support on port[0] = 21 [ 61.734173][ T6823] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6823 [ 61.744043][ T6823] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.750394][ T6823] CPU: 1 PID: 6823 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 61.759854][ T6823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.769908][ T6823] Call Trace: [ 61.773184][ T6823] dump_stack+0x18f/0x20d [ 61.777503][ T6823] check_preemption_disabled+0x20d/0x220 [ 61.783129][ T6823] ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.788232][ T6823] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.793700][ T6823] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 61.799841][ T6823] ext4_ext_map_blocks+0x201b/0x33e0 [ 61.805112][ T6823] ? ext4_ext_release+0x10/0x10 [ 61.810127][ T6823] ? down_write_killable+0x170/0x170 [ 61.815388][ T6823] ? ext4_es_lookup_extent+0x41d/0xd10 [ 61.820833][ T6823] ext4_map_blocks+0x4cb/0x1640 [ 61.825673][ T6823] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.830865][ T6823] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.836396][ T6823] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.842362][ T6823] ? prandom_u32_state+0xe/0x170 [ 61.847279][ T6823] ? __brelse+0x84/0xa0 [ 61.851412][ T6823] ? __ext4_new_inode+0x144/0x55e0 [ 61.856504][ T6823] ext4_getblk+0xad/0x520 [ 61.860814][ T6823] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 61.866517][ T6823] ? ext4_free_inode+0x1700/0x1700 [ 61.871606][ T6823] ext4_bread+0x7c/0x380 [ 61.875839][ T6823] ? ext4_getblk+0x520/0x520 [ 61.880409][ T6823] ? dquot_get_next_dqblk+0x180/0x180 [ 61.885777][ T6823] ext4_append+0x153/0x360 [ 61.890174][ T6823] ext4_mkdir+0x5e0/0xdf0 [ 61.894948][ T6823] ? ext4_rmdir+0xde0/0xde0 [ 61.899444][ T6823] ? security_inode_permission+0xc4/0xf0 [ 61.905058][ T6823] vfs_mkdir+0x419/0x690 [ 61.909282][ T6823] do_mkdirat+0x21e/0x280 [ 61.913592][ T6823] ? __ia32_sys_mknod+0xb0/0xb0 [ 61.918442][ T6823] ? do_syscall_64+0x1c/0xe0 [ 61.923015][ T6823] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.928982][ T6823] do_syscall_64+0x60/0xe0 [ 61.933391][ T6823] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.939274][ T6823] RIP: 0033:0x45bee7 [ 61.943139][ T6823] Code: Bad RIP value. [ 61.947179][ T6823] RSP: 002b:00007ffcb8ab8e58 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 61.955581][ T6823] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 61.963547][ T6823] RDX: 00007ffcb8ab8ea3 RSI: 00000000000001ff RDI: 00007ffcb8ab8ea0 [ 61.971505][ T6823] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 61.979463][ T6823] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0 [ 61.987426][ T6823] R13: 00007ffcb8ab8e90 R14: 0000000000000000 R15: 00007ffcb8ab8ea0 [ 62.038475][ T6823] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6823 [ 62.048350][ T6823] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.054345][ T6823] CPU: 0 PID: 6823 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 62.063799][ T6823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.073857][ T6823] Call Trace: [ 62.077163][ T6823] dump_stack+0x18f/0x20d [ 62.081521][ T6823] check_preemption_disabled+0x20d/0x220 [ 62.087171][ T6823] ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.092313][ T6823] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.097786][ T6823] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 62.103550][ T6823] ext4_ext_map_blocks+0x201b/0x33e0 [ 62.108970][ T6823] ? ext4_ext_release+0x10/0x10 [ 62.113869][ T6823] ? down_write_killable+0x170/0x170 [ 62.119176][ T6823] ? ext4_es_lookup_extent+0x41d/0xd10 [ 62.124646][ T6823] ext4_map_blocks+0x4cb/0x1640 [ 62.129502][ T6823] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.134763][ T6823] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.140475][ T6823] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.146461][ T6823] ? prandom_u32_state+0xe/0x170 [ 62.151407][ T6823] ? __brelse+0x84/0xa0 [ 62.155570][ T6823] ? __ext4_new_inode+0x144/0x55e0 [ 62.160714][ T6823] ext4_getblk+0xad/0x520 [ 62.165053][ T6823] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 62.170791][ T6823] ? ext4_free_inode+0x1700/0x1700 [ 62.175978][ T6823] ext4_bread+0x7c/0x380 [ 62.180217][ T6823] ? ext4_getblk+0x520/0x520 [ 62.184811][ T6823] ? dquot_get_next_dqblk+0x180/0x180 [ 62.190202][ T6823] ext4_append+0x153/0x360 [ 62.194630][ T6823] ext4_mkdir+0x5e0/0xdf0 [ 62.199039][ T6823] ? ext4_rmdir+0xde0/0xde0 [ 62.203534][ T6823] ? security_inode_permission+0xc4/0xf0 [ 62.209332][ T6823] vfs_mkdir+0x419/0x690 [ 62.213588][ T6823] do_mkdirat+0x21e/0x280 [ 62.217904][ T6823] ? __ia32_sys_mknod+0xb0/0xb0 [ 62.222745][ T6823] ? do_syscall_64+0x1c/0xe0 [ 62.227316][ T6823] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.233281][ T6823] do_syscall_64+0x60/0xe0 [ 62.237712][ T6823] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.243580][ T6823] RIP: 0033:0x45bee7 [ 62.247463][ T6823] Code: Bad RIP value. [ 62.251516][ T6823] RSP: 002b:00007ffcb8ab8e58 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 62.259907][ T6823] RAX: ffffffffffffffda RBX: 000000000000f24e RCX: 000000000045bee7 [ 62.267881][ T6823] RDX: 00007ffcb8ab8ea3 RSI: 00000000000001ff RDI: 00007ffcb8ab8ea0 [ 62.275833][ T6823] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 2020/06/05 07:24:19 building call list... [ 62.283800][ T6823] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 62.291784][ T6823] R13: 00007ffcb8ab8e90 R14: 000000000000f247 R15: 00007ffcb8ab8ea0 [ 62.523659][ T7] tipc: TX() has been purged, node left! [ 62.778463][ T1156] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1156 [ 62.787848][ T1156] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.794845][ T1156] CPU: 1 PID: 1156 Comm: khugepaged Not tainted 5.7.0-next-20200605-syzkaller #0 [ 62.803982][ T1156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.814062][ T1156] Call Trace: [ 62.817371][ T1156] dump_stack+0x18f/0x20d [ 62.821719][ T1156] check_preemption_disabled+0x20d/0x220 [ 62.827365][ T1156] ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.832480][ T1156] ? ext4_find_extent+0x81a/0xad0 [ 62.837720][ T1156] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.843175][ T1156] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 62.848913][ T1156] ext4_ext_map_blocks+0x201b/0x33e0 [ 62.854743][ T1156] ? ext4_ext_release+0x10/0x10 [ 62.859609][ T1156] ? down_write_killable+0x170/0x170 [ 62.864890][ T1156] ? ext4_es_lookup_extent+0x41d/0xd10 [ 62.870348][ T1156] ext4_map_blocks+0x4cb/0x1640 [ 62.875205][ T1156] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.881445][ T1156] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.887341][ T1156] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.893318][ T1156] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 62.898783][ T1156] ext4_writepages+0x1a7b/0x33c0 [ 62.903736][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.909400][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.915028][ T1156] ? do_writepages+0xfa/0x2a0 [ 62.919719][ T1156] do_writepages+0xfa/0x2a0 [ 62.924225][ T1156] ? page_writeback_cpu_online+0x10/0x10 [ 62.929857][ T1156] ? do_raw_spin_lock+0x120/0x2d0 [ 62.934876][ T1156] ? do_raw_spin_unlock+0x171/0x260 [ 62.940072][ T1156] ? _raw_spin_unlock+0x24/0x40 [ 62.944922][ T1156] __filemap_fdatawrite_range+0x2aa/0x390 [ 62.950641][ T1156] ? collapse_file+0x35a2/0x4330 [ 62.955582][ T1156] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 62.961676][ T1156] ? _raw_spin_unlock_irq+0x1f/0x80 [ 62.966893][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.972890][ T1156] collapse_file+0x35ac/0x4330 [ 62.977674][ T1156] ? collapse_huge_page+0x4350/0x4350 [ 62.983042][ T1156] ? khugepaged+0x2506/0x3fc0 [ 62.987725][ T1156] ? xas_find+0x31a/0x880 [ 62.992060][ T1156] ? check_preemption_disabled+0x38/0x220 [ 62.997780][ T1156] khugepaged+0x3041/0x3fc0 [ 63.002571][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.008198][ T1156] ? lock_downgrade+0x840/0x840 [ 63.013132][ T1156] ? finish_wait+0x260/0x260 [ 63.017737][ T1156] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 63.023539][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.029532][ T1156] ? __kthread_parkme+0x13f/0x1e0 [ 63.034555][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.040964][ T1156] kthread+0x3b5/0x4a0 [ 63.045032][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.050745][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.057505][ T1156] ret_from_fork+0x1f/0x30 [ 63.138441][ T1156] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1156 [ 63.147688][ T1156] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.153665][ T1156] CPU: 1 PID: 1156 Comm: khugepaged Not tainted 5.7.0-next-20200605-syzkaller #0 [ 63.162780][ T1156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.172829][ T1156] Call Trace: [ 63.176118][ T1156] dump_stack+0x18f/0x20d [ 63.180450][ T1156] check_preemption_disabled+0x20d/0x220 [ 63.186110][ T1156] ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.192181][ T1156] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.197638][ T1156] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 63.203794][ T1156] ext4_ext_map_blocks+0x201b/0x33e0 [ 63.209086][ T1156] ? ext4_ext_release+0x10/0x10 [ 63.213952][ T1156] ? down_write_killable+0x170/0x170 [ 63.219231][ T1156] ? ext4_es_lookup_extent+0x41d/0xd10 [ 63.224689][ T1156] ext4_map_blocks+0x4cb/0x1640 [ 63.229541][ T1156] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.234918][ T1156] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.240457][ T1156] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.246432][ T1156] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.251887][ T1156] ext4_writepages+0x1a7b/0x33c0 [ 63.257276][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 63.262932][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 63.268560][ T1156] ? do_writepages+0xfa/0x2a0 [ 63.273230][ T1156] do_writepages+0xfa/0x2a0 [ 63.277738][ T1156] ? page_writeback_cpu_online+0x10/0x10 [ 63.283376][ T1156] ? do_raw_spin_lock+0x120/0x2d0 [ 63.288394][ T1156] ? do_raw_spin_unlock+0x171/0x260 [ 63.293589][ T1156] ? _raw_spin_unlock+0x24/0x40 [ 63.298445][ T1156] __filemap_fdatawrite_range+0x2aa/0x390 [ 63.304160][ T1156] ? collapse_file+0x35a2/0x4330 [ 63.309092][ T1156] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 63.315165][ T1156] ? _raw_spin_unlock_irq+0x1f/0x80 [ 63.320364][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.326371][ T1156] collapse_file+0x35ac/0x4330 [ 63.331183][ T1156] ? collapse_huge_page+0x4350/0x4350 [ 63.336574][ T1156] ? khugepaged+0x2506/0x3fc0 [ 63.341274][ T1156] ? xas_find+0x31a/0x880 [ 63.345623][ T1156] ? check_preemption_disabled+0x38/0x220 [ 63.351360][ T1156] khugepaged+0x3041/0x3fc0 [ 63.355902][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.361534][ T1156] ? lock_downgrade+0x840/0x840 [ 63.366391][ T1156] ? finish_wait+0x260/0x260 [ 63.371017][ T1156] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 63.376823][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.382808][ T1156] ? __kthread_parkme+0x13f/0x1e0 [ 63.387831][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.393457][ T1156] kthread+0x3b5/0x4a0 [ 63.397536][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.403264][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.408988][ T1156] ret_from_fork+0x1f/0x30 [ 63.480918][ T1156] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1156 [ 63.490062][ T1156] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.496094][ T1156] CPU: 1 PID: 1156 Comm: khugepaged Not tainted 5.7.0-next-20200605-syzkaller #0 [ 63.505202][ T1156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.515417][ T1156] Call Trace: [ 63.518741][ T1156] dump_stack+0x18f/0x20d [ 63.523078][ T1156] check_preemption_disabled+0x20d/0x220 [ 63.528713][ T1156] ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.533839][ T1156] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.539319][ T1156] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 63.545480][ T1156] ext4_ext_map_blocks+0x201b/0x33e0 [ 63.550778][ T1156] ? ext4_ext_release+0x10/0x10 [ 63.555734][ T1156] ? down_write_killable+0x170/0x170 [ 63.561018][ T1156] ? ext4_es_lookup_extent+0x41d/0xd10 [ 63.566484][ T1156] ext4_map_blocks+0x4cb/0x1640 [ 63.571360][ T1156] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.576562][ T1156] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.582125][ T1156] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.588121][ T1156] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.593579][ T1156] ext4_writepages+0x1a7b/0x33c0 [ 63.598541][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 63.604199][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 63.609833][ T1156] ? do_writepages+0xfa/0x2a0 [ 63.614527][ T1156] do_writepages+0xfa/0x2a0 [ 63.619642][ T1156] ? page_writeback_cpu_online+0x10/0x10 [ 63.625306][ T1156] ? do_raw_spin_lock+0x120/0x2d0 [ 63.630360][ T1156] ? do_raw_spin_unlock+0x171/0x260 [ 63.635563][ T1156] ? _raw_spin_unlock+0x24/0x40 [ 63.640851][ T1156] __filemap_fdatawrite_range+0x2aa/0x390 [ 63.646578][ T1156] ? collapse_file+0x35a2/0x4330 [ 63.651527][ T1156] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 63.657632][ T1156] ? _raw_spin_unlock_irq+0x1f/0x80 [ 63.662830][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.668822][ T1156] collapse_file+0x35ac/0x4330 [ 63.673605][ T1156] ? collapse_huge_page+0x4350/0x4350 [ 63.679125][ T1156] ? khugepaged+0x2506/0x3fc0 [ 63.683831][ T1156] ? xas_find+0x31a/0x880 [ 63.688170][ T1156] ? check_preemption_disabled+0x38/0x220 [ 63.694075][ T1156] khugepaged+0x3041/0x3fc0 [ 63.698619][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.704255][ T1156] ? lock_downgrade+0x840/0x840 [ 63.709120][ T1156] ? finish_wait+0x260/0x260 [ 63.713725][ T1156] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 63.719555][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.725804][ T1156] ? __kthread_parkme+0x13f/0x1e0 [ 63.730847][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.736669][ T1156] kthread+0x3b5/0x4a0 [ 63.740739][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.747408][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.753159][ T1156] ret_from_fork+0x1f/0x30 executing program [ 64.202466][ T6803] can: request_module (can-proto-0) failed. [ 65.280778][ T6803] can: request_module (can-proto-0) failed. [ 65.293121][ T6803] can: request_module (can-proto-0) failed.