Starting Load/Save RF Kill Switch Status... [ 52.764791][ T6725] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6725 [ 52.774208][ T6725] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 52.780092][ T6725] CPU: 1 PID: 6725 Comm: systemd-rfkill Not tainted 5.7.0-next-20200605-syzkaller #0 [ 52.789516][ T6725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.799549][ T6725] Call Trace: [ 52.803170][ T6725] dump_stack+0x18f/0x20d [ 52.807479][ T6725] check_preemption_disabled+0x20d/0x220 [ 52.813174][ T6725] ext4_mb_new_blocks+0xa4d/0x3b70 [ 52.818264][ T6725] ? ext4_ext_search_right+0x2ca/0xb20 [ 52.823700][ T6725] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 52.829408][ T6725] ext4_ext_map_blocks+0x201b/0x33e0 [ 52.834692][ T6725] ? ext4_ext_release+0x10/0x10 [ 52.839531][ T6725] ? down_write_killable+0x170/0x170 [ 52.844793][ T6725] ? ext4_es_lookup_extent+0x41d/0xd10 [ 52.850231][ T6725] ext4_map_blocks+0x4cb/0x1640 [ 52.855064][ T6725] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 52.860240][ T6725] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.865764][ T6725] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 52.871726][ T6725] ? prandom_u32_state+0xe/0x170 [ 52.876642][ T6725] ? __brelse+0x84/0xa0 [ 52.880777][ T6725] ? __ext4_new_inode+0x144/0x55e0 [ 52.885887][ T6725] ext4_getblk+0xad/0x520 [ 52.890211][ T6725] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 52.896135][ T6725] ? ext4_free_inode+0x1700/0x1700 [ 52.901242][ T6725] ext4_bread+0x7c/0x380 [ 52.905483][ T6725] ? ext4_getblk+0x520/0x520 [ 52.910069][ T6725] ? dquot_get_next_dqblk+0x180/0x180 [ 52.915429][ T6725] ext4_append+0x153/0x360 [ 52.919854][ T6725] ext4_mkdir+0x5e0/0xdf0 [ 52.924170][ T6725] ? ext4_rmdir+0xde0/0xde0 [ 52.928655][ T6725] ? security_inode_permission+0xc4/0xf0 [ 52.934271][ T6725] vfs_mkdir+0x419/0x690 [ 52.938512][ T6725] do_mkdirat+0x21e/0x280 [ 52.942836][ T6725] ? __ia32_sys_mknod+0xb0/0xb0 [ 52.947673][ T6725] ? do_syscall_64+0x1c/0xe0 [ 52.952264][ T6725] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 52.958251][ T6725] do_syscall_64+0x60/0xe0 [ 52.962664][ T6725] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.968534][ T6725] RIP: 0033:0x7ff189df6687 [ 52.972919][ T6725] Code: Bad RIP value. [ 52.976978][ T6725] RSP: 002b:00007ffcf58f9048 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 52.985366][ T6725] RAX: ffffffffffffffda RBX: 00005621ecfe3985 RCX: 00007ff189df6687 [ 52.993337][ T6725] RDX: 00007ffcf58f8f10 RSI: 00000000000001ed RDI: 00005621ecfe3985 [ 53.001324][ T6725] RBP: 00007ff189df6680 R08: 0000000000000100 R09: 0000000000000000 [ 53.009305][ T6725] R10: 00005621ecfe3980 R11: 0000000000000246 R12: 00000000000001ed [ 53.017357][ T6725] R13: 00007ffcf58f91d0 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 56.150719][ T38] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/38 [ 56.159846][ T38] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 56.166220][ T38] CPU: 0 PID: 38 Comm: kworker/u4:2 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 56.175336][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.185403][ T38] Workqueue: writeback wb_workfn (flush-8:0) [ 56.191375][ T38] Call Trace: [ 56.194683][ T38] dump_stack+0x18f/0x20d [ 56.199008][ T38] check_preemption_disabled+0x20d/0x220 [ 56.204633][ T38] ext4_mb_new_blocks+0xa4d/0x3b70 [ 56.209729][ T38] ? ext4_find_extent+0x81a/0xad0 [ 56.214736][ T38] ? ext4_ext_search_right+0x2ca/0xb20 [ 56.220209][ T38] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 56.225929][ T38] ext4_ext_map_blocks+0x201b/0x33e0 [ 56.231196][ T38] ? ext4_ext_release+0x10/0x10 [ 56.236036][ T38] ? down_write_killable+0x170/0x170 [ 56.241303][ T38] ? ext4_es_lookup_extent+0x41d/0xd10 [ 56.246751][ T38] ext4_map_blocks+0x4cb/0x1640 [ 56.251581][ T38] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 56.256772][ T38] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.262308][ T38] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.268277][ T38] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 56.273718][ T38] ext4_writepages+0x1a7b/0x33c0 [ 56.278645][ T38] ? __ext4_mark_inode_dirty+0x940/0x940 [ 56.284269][ T38] ? __lock_acquire+0x2224/0x48b0 [ 56.289800][ T38] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.295769][ T38] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.301726][ T38] ? __ext4_mark_inode_dirty+0x940/0x940 [ 56.307366][ T38] ? do_writepages+0xfa/0x2a0 [ 56.312035][ T38] do_writepages+0xfa/0x2a0 [ 56.316518][ T38] ? page_writeback_cpu_online+0x10/0x10 [ 56.322141][ T38] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.327674][ T38] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.333627][ T38] ? lock_downgrade+0x840/0x840 [ 56.338461][ T38] __writeback_single_inode+0x12a/0x13d0 [ 56.344083][ T38] ? _raw_spin_unlock+0x24/0x40 [ 56.348917][ T38] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 56.354876][ T38] writeback_sb_inodes+0x515/0xdc0 [ 56.359975][ T38] ? __writeback_single_inode+0x13d0/0x13d0 [ 56.365858][ T38] __writeback_inodes_wb+0xc3/0x250 [ 56.371038][ T38] wb_writeback+0x8db/0xd50 [ 56.375540][ T38] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 56.381843][ T38] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 56.387726][ T38] ? cpumask_next+0x3c/0x40 [ 56.392208][ T38] ? get_nr_dirty_inodes+0xd6/0x130 [ 56.397388][ T38] wb_workfn+0xab3/0x1090 [ 56.401717][ T38] ? inode_wait_for_writeback+0x30/0x30 [ 56.407254][ T38] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.412776][ T38] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.418857][ T38] process_one_work+0x965/0x1690 [ 56.423851][ T38] ? lock_release+0x800/0x800 [ 56.428514][ T38] ? pwq_dec_nr_in_flight+0x310/0x310 [ 56.433866][ T38] ? rwlock_bug.part.0+0x90/0x90 [ 56.438786][ T38] worker_thread+0x96/0xe10 [ 56.443275][ T38] ? process_one_work+0x1690/0x1690 [ 56.448450][ T38] kthread+0x3b5/0x4a0 [ 56.452495][ T38] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.458188][ T38] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.464071][ T38] ret_from_fork+0x1f/0x30 Warning: Permanently added '10.128.0.87' (ECDSA) to the list of known hosts. 2020/06/06 06:23:37 fuzzer started 2020/06/06 06:23:38 connecting to host at 10.128.0.26:37095 2020/06/06 06:23:38 checking machine... 2020/06/06 06:23:38 checking revisions... 2020/06/06 06:23:38 testing simple program... [ 58.339221][ T6798] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6798 [ 58.348412][ T6798] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.355229][ T6798] CPU: 1 PID: 6798 Comm: syz-fuzzer Not tainted 5.7.0-next-20200605-syzkaller #0 [ 58.364441][ T6798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.374478][ T6798] Call Trace: [ 58.377769][ T6798] dump_stack+0x18f/0x20d [ 58.382100][ T6798] check_preemption_disabled+0x20d/0x220 [ 58.388962][ T6798] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.394059][ T6798] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.399512][ T6798] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.405218][ T6798] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.410498][ T6798] ? ext4_ext_release+0x10/0x10 [ 58.415348][ T6798] ? down_write_killable+0x170/0x170 [ 58.420720][ T6798] ? ext4_es_lookup_extent+0x41d/0xd10 [ 58.426315][ T6798] ext4_map_blocks+0x4cb/0x1640 [ 58.431166][ T6798] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.436383][ T6798] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.441912][ T6798] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.447887][ T6798] ? prandom_u32_state+0xe/0x170 [ 58.452837][ T6798] ? __brelse+0x84/0xa0 [ 58.456988][ T6798] ? __ext4_new_inode+0x144/0x55e0 [ 58.462080][ T6798] ext4_getblk+0xad/0x520 [ 58.466388][ T6798] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.472087][ T6798] ? ext4_free_inode+0x1700/0x1700 [ 58.477174][ T6798] ext4_bread+0x7c/0x380 [ 58.481392][ T6798] ? ext4_getblk+0x520/0x520 [ 58.485958][ T6798] ? dquot_get_next_dqblk+0x180/0x180 [ 58.491313][ T6798] ext4_append+0x153/0x360 [ 58.495799][ T6798] ext4_mkdir+0x5e0/0xdf0 [ 58.500121][ T6798] ? ext4_rmdir+0xde0/0xde0 [ 58.504602][ T6798] ? security_inode_permission+0xc4/0xf0 [ 58.510215][ T6798] vfs_mkdir+0x419/0x690 [ 58.514453][ T6798] do_mkdirat+0x21e/0x280 [ 58.518760][ T6798] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.523598][ T6798] ? do_syscall_64+0x1c/0xe0 [ 58.528181][ T6798] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.534143][ T6798] do_syscall_64+0x60/0xe0 [ 58.538555][ T6798] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.544527][ T6798] RIP: 0033:0x4b02a0 [ 58.548401][ T6798] Code: Bad RIP value. [ 58.552447][ T6798] RSP: 002b:000000c0000d94b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 58.560843][ T6798] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 58.568890][ T6798] RDX: 00000000000001c0 RSI: 000000c000026b60 RDI: ffffffffffffff9c [ 58.576856][ T6798] RBP: 000000c0000d9510 R08: 0000000000000000 R09: 0000000000000000 [ 58.584826][ T6798] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 58.592794][ T6798] R13: 000000000000005c R14: 000000000000005b R15: 0000000000000100 [ 58.619134][ T6811] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6811 [ 58.628600][ T6811] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.634717][ T6811] CPU: 0 PID: 6811 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 58.644327][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.654380][ T6811] Call Trace: [ 58.657659][ T6811] dump_stack+0x18f/0x20d [ 58.662150][ T6811] check_preemption_disabled+0x20d/0x220 [ 58.667786][ T6811] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.672903][ T6811] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.678361][ T6811] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.684063][ T6811] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.689342][ T6811] ? ext4_ext_release+0x10/0x10 [ 58.694206][ T6811] ? down_write_killable+0x170/0x170 [ 58.699483][ T6811] ? ext4_es_lookup_extent+0x41d/0xd10 [ 58.705010][ T6811] ext4_map_blocks+0x4cb/0x1640 [ 58.709844][ T6811] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.715018][ T6811] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.720562][ T6811] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.726530][ T6811] ? prandom_u32_state+0xe/0x170 [ 58.731447][ T6811] ? __brelse+0x84/0xa0 [ 58.735594][ T6811] ? __ext4_new_inode+0x144/0x55e0 [ 58.740685][ T6811] ext4_getblk+0xad/0x520 [ 58.745005][ T6811] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.750705][ T6811] ? ext4_free_inode+0x1700/0x1700 [ 58.755794][ T6811] ext4_bread+0x7c/0x380 [ 58.760015][ T6811] ? ext4_getblk+0x520/0x520 [ 58.764595][ T6811] ? dquot_get_next_dqblk+0x180/0x180 [ 58.769968][ T6811] ext4_append+0x153/0x360 [ 58.774364][ T6811] ext4_mkdir+0x5e0/0xdf0 [ 58.778687][ T6811] ? ext4_rmdir+0xde0/0xde0 [ 58.783175][ T6811] ? security_inode_permission+0xc4/0xf0 [ 58.788791][ T6811] vfs_mkdir+0x419/0x690 [ 58.793016][ T6811] do_mkdirat+0x21e/0x280 [ 58.797338][ T6811] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.802183][ T6811] ? do_syscall_64+0x1c/0xe0 [ 58.806775][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.812754][ T6811] do_syscall_64+0x60/0xe0 [ 58.817156][ T6811] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.823044][ T6811] RIP: 0033:0x45bee7 [ 58.826908][ T6811] Code: Bad RIP value. [ 58.830973][ T6811] RSP: 002b:00007ffd0578a6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 58.839380][ T6811] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 58.847341][ T6811] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007ffd0578a890 [ 58.855330][ T6811] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 00000000000033c0 [ 58.863283][ T6811] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 58.871263][ T6811] R13: 00007ffd0578a890 R14: 8421084210842109 R15: 00007ffd0578a89c [ 58.952891][ T6812] IPVS: ftp: loaded support on port[0] = 21 [ 58.988745][ T6812] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6812 [ 58.998210][ T6812] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.004344][ T6812] CPU: 1 PID: 6812 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 59.013791][ T6812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.023826][ T6812] Call Trace: [ 59.027119][ T6812] dump_stack+0x18f/0x20d [ 59.031431][ T6812] check_preemption_disabled+0x20d/0x220 [ 59.037042][ T6812] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.042139][ T6812] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.047583][ T6812] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.053285][ T6812] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.058563][ T6812] ? ext4_ext_release+0x10/0x10 [ 59.063404][ T6812] ? down_write_killable+0x170/0x170 [ 59.068737][ T6812] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.074268][ T6812] ext4_map_blocks+0x4cb/0x1640 [ 59.079107][ T6812] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.084316][ T6812] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.089841][ T6812] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.095813][ T6812] ? prandom_u32_state+0xe/0x170 [ 59.100730][ T6812] ? __brelse+0x84/0xa0 [ 59.104866][ T6812] ? __ext4_new_inode+0x144/0x55e0 [ 59.109958][ T6812] ext4_getblk+0xad/0x520 [ 59.114288][ T6812] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.121453][ T6812] ? ext4_free_inode+0x1700/0x1700 [ 59.126553][ T6812] ext4_bread+0x7c/0x380 [ 59.130810][ T6812] ? ext4_getblk+0x520/0x520 [ 59.135410][ T6812] ? dquot_get_next_dqblk+0x180/0x180 [ 59.140772][ T6812] ext4_append+0x153/0x360 [ 59.145173][ T6812] ext4_mkdir+0x5e0/0xdf0 [ 59.149493][ T6812] ? ext4_rmdir+0xde0/0xde0 [ 59.153977][ T6812] ? security_inode_permission+0xc4/0xf0 [ 59.159607][ T6812] vfs_mkdir+0x419/0x690 [ 59.163844][ T6812] do_mkdirat+0x21e/0x280 [ 59.168153][ T6812] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.173002][ T6812] ? do_syscall_64+0x1c/0xe0 [ 59.177571][ T6812] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.183544][ T6812] do_syscall_64+0x60/0xe0 [ 59.187936][ T6812] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.193804][ T6812] RIP: 0033:0x45bee7 [ 59.197669][ T6812] Code: Bad RIP value. [ 59.201724][ T6812] RSP: 002b:00007ffd0578a5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 59.210124][ T6812] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 59.218138][ T6812] RDX: 00007ffd0578a5f3 RSI: 00000000000001ff RDI: 00007ffd0578a5f0 [ 59.226095][ T6812] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 59.234050][ T6812] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0 [ 59.245995][ T6812] R13: 00007ffd0578a5e0 R14: 0000000000000000 R15: 00007ffd0578a5f0 [ 59.298197][ T6812] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6812 [ 59.307806][ T6812] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.313803][ T6812] CPU: 1 PID: 6812 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 59.323337][ T6812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.333391][ T6812] Call Trace: [ 59.336692][ T6812] dump_stack+0x18f/0x20d [ 59.341038][ T6812] check_preemption_disabled+0x20d/0x220 [ 59.346678][ T6812] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.351816][ T6812] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.357252][ T6812] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.362958][ T6812] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.368238][ T6812] ? ext4_ext_release+0x10/0x10 [ 59.373076][ T6812] ? down_write_killable+0x170/0x170 [ 59.378361][ T6812] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.383798][ T6812] ext4_map_blocks+0x4cb/0x1640 [ 59.388649][ T6812] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.393826][ T6812] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.399348][ T6812] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.405305][ T6812] ? prandom_u32_state+0xe/0x170 [ 59.410238][ T6812] ? __brelse+0x84/0xa0 [ 59.414368][ T6812] ? __ext4_new_inode+0x144/0x55e0 [ 59.419459][ T6812] ext4_getblk+0xad/0x520 [ 59.423767][ T6812] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.429482][ T6812] ? ext4_free_inode+0x1700/0x1700 [ 59.434582][ T6812] ext4_bread+0x7c/0x380 [ 59.438814][ T6812] ? ext4_getblk+0x520/0x520 [ 59.443382][ T6812] ? dquot_get_next_dqblk+0x180/0x180 [ 59.448750][ T6812] ext4_append+0x153/0x360 [ 59.453162][ T6812] ext4_mkdir+0x5e0/0xdf0 [ 59.457471][ T6812] ? ext4_rmdir+0xde0/0xde0 [ 59.461953][ T6812] ? security_inode_permission+0xc4/0xf0 [ 59.467563][ T6812] vfs_mkdir+0x419/0x690 [ 59.471785][ T6812] do_mkdirat+0x21e/0x280 [ 59.476095][ T6812] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.480923][ T6812] ? do_syscall_64+0x1c/0xe0 [ 59.485488][ T6812] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.491444][ T6812] do_syscall_64+0x60/0xe0 2020/06/06 06:23:39 building call list... [ 59.495848][ T6812] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.501724][ T6812] RIP: 0033:0x45bee7 [ 59.505589][ T6812] Code: Bad RIP value. [ 59.509628][ T6812] RSP: 002b:00007ffd0578a5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 59.518011][ T6812] RAX: ffffffffffffffda RBX: 000000000000e799 RCX: 000000000045bee7 [ 59.525958][ T6812] RDX: 00007ffd0578a5f3 RSI: 00000000000001ff RDI: 00007ffd0578a5f0 [ 59.533903][ T6812] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 59.541851][ T6812] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 59.549813][ T6812] R13: 00007ffd0578a5e0 R14: 000000000000e786 R15: 00007ffd0578a5f0 [ 59.799116][ T38] tipc: TX() has been purged, node left! [ 60.234840][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 60.244078][ T1154] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.250052][ T1154] CPU: 0 PID: 1154 Comm: khugepaged Not tainted 5.7.0-next-20200605-syzkaller #0 [ 60.259145][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.269187][ T1154] Call Trace: [ 60.272476][ T1154] dump_stack+0x18f/0x20d [ 60.276906][ T1154] check_preemption_disabled+0x20d/0x220 [ 60.282551][ T1154] ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.288442][ T1154] ? ext4_find_extent+0x81a/0xad0 [ 60.293473][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.298926][ T1154] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.304660][ T1154] ext4_ext_map_blocks+0x201b/0x33e0 [ 60.309953][ T1154] ? ext4_ext_release+0x10/0x10 [ 60.314816][ T1154] ? down_write_killable+0x170/0x170 [ 60.320092][ T1154] ? ext4_es_lookup_extent+0x41d/0xd10 [ 60.325562][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 60.330411][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.335611][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.341168][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.347318][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 60.352773][ T1154] ext4_writepages+0x1a7b/0x33c0 [ 60.357708][ T1154] ? lock_release+0x710/0x800 [ 60.362393][ T1154] ? __ext4_mark_inode_dirty+0x940/0x940 [ 60.368047][ T1154] ? __ext4_mark_inode_dirty+0x940/0x940 [ 60.373679][ T1154] ? do_writepages+0xfa/0x2a0 [ 60.378351][ T1154] do_writepages+0xfa/0x2a0 [ 60.382857][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 60.388487][ T1154] ? do_raw_spin_lock+0x120/0x2d0 [ 60.393508][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 60.398705][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 60.403558][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 60.409272][ T1154] ? collapse_file+0x35a2/0x4330 [ 60.414204][ T1154] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 60.420278][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 60.425474][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.432498][ T1154] collapse_file+0x35ac/0x4330 [ 60.437279][ T1154] ? collapse_huge_page+0x4350/0x4350 [ 60.442743][ T1154] ? khugepaged+0x2506/0x3fc0 [ 60.447426][ T1154] ? xas_find+0x31a/0x880 [ 60.451757][ T1154] ? check_preemption_disabled+0x38/0x220 [ 60.457480][ T1154] khugepaged+0x3041/0x3fc0 [ 60.462006][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.467641][ T1154] ? lock_downgrade+0x840/0x840 [ 60.472488][ T1154] ? finish_wait+0x260/0x260 [ 60.477076][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 60.482880][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.488881][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 60.493904][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.499551][ T1154] kthread+0x3b5/0x4a0 [ 60.503621][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.509333][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.515052][ T1154] ret_from_fork+0x1f/0x30 [ 60.604163][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 60.613518][ T1154] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.619519][ T1154] CPU: 1 PID: 1154 Comm: khugepaged Not tainted 5.7.0-next-20200605-syzkaller #0 [ 60.628799][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.638867][ T1154] Call Trace: [ 60.642179][ T1154] dump_stack+0x18f/0x20d [ 60.646518][ T1154] check_preemption_disabled+0x20d/0x220 [ 60.652142][ T1154] ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.657357][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.662816][ T1154] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 60.668974][ T1154] ext4_ext_map_blocks+0x201b/0x33e0 [ 60.674268][ T1154] ? ext4_ext_release+0x10/0x10 [ 60.679155][ T1154] ? down_write_killable+0x170/0x170 [ 60.684441][ T1154] ? ext4_es_lookup_extent+0x41d/0xd10 [ 60.689893][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 60.694792][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.700171][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.705709][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.711709][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 60.717159][ T1154] ext4_writepages+0x1a7b/0x33c0 [ 60.722112][ T1154] ? lock_release+0x710/0x800 [ 60.726783][ T1154] ? __ext4_mark_inode_dirty+0x940/0x940 [ 60.732453][ T1154] ? __ext4_mark_inode_dirty+0x940/0x940 [ 60.738098][ T1154] ? do_writepages+0xfa/0x2a0 [ 60.742762][ T1154] do_writepages+0xfa/0x2a0 [ 60.747361][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 60.752996][ T1154] ? do_raw_spin_lock+0x120/0x2d0 [ 60.757998][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 60.763268][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 60.768103][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 60.773816][ T1154] ? collapse_file+0x35a2/0x4330 [ 60.778826][ T1154] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 60.784929][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 60.790135][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.796123][ T1154] collapse_file+0x35ac/0x4330 [ 60.800908][ T1154] ? collapse_huge_page+0x4350/0x4350 [ 60.806283][ T1154] ? khugepaged+0x2506/0x3fc0 [ 60.810968][ T1154] ? xas_find+0x31a/0x880 [ 60.815471][ T1154] ? check_preemption_disabled+0x38/0x220 [ 60.821222][ T1154] khugepaged+0x3041/0x3fc0 [ 60.825730][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.831350][ T1154] ? lock_downgrade+0x840/0x840 [ 60.836198][ T1154] ? finish_wait+0x260/0x260 [ 60.840793][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 60.846600][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.852616][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 60.857646][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.863267][ T1154] kthread+0x3b5/0x4a0 [ 60.867324][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.873028][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.878746][ T1154] ret_from_fork+0x1f/0x30 [ 60.971795][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 60.981075][ T1154] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.986968][ T1154] CPU: 0 PID: 1154 Comm: khugepaged Not tainted 5.7.0-next-20200605-syzkaller #0 [ 60.996145][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.006191][ T1154] Call Trace: [ 61.009480][ T1154] dump_stack+0x18f/0x20d [ 61.013811][ T1154] check_preemption_disabled+0x20d/0x220 [ 61.019439][ T1154] ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.024556][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.030010][ T1154] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 61.036156][ T1154] ext4_ext_map_blocks+0x201b/0x33e0 [ 61.041442][ T1154] ? ext4_ext_release+0x10/0x10 [ 61.046480][ T1154] ? down_write_killable+0x170/0x170 [ 61.051756][ T1154] ? ext4_es_lookup_extent+0x41d/0xd10 [ 61.057238][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 61.062094][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.067290][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.072829][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.078804][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 61.084262][ T1154] ext4_writepages+0x1a7b/0x33c0 [ 61.089223][ T1154] ? lock_release+0x710/0x800 [ 61.093907][ T1154] ? __ext4_mark_inode_dirty+0x940/0x940 [ 61.099863][ T1154] ? __ext4_mark_inode_dirty+0x940/0x940 [ 61.105502][ T1154] ? do_writepages+0xfa/0x2a0 [ 61.110180][ T1154] do_writepages+0xfa/0x2a0 [ 61.114686][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 61.120662][ T1154] ? do_raw_spin_lock+0x120/0x2d0 [ 61.125682][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 61.130885][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 61.135739][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 61.141623][ T1154] ? collapse_file+0x35a2/0x4330 [ 61.146576][ T1154] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 61.152672][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 61.157869][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.163854][ T1154] collapse_file+0x35ac/0x4330 [ 61.168631][ T1154] ? collapse_huge_page+0x4350/0x4350 [ 61.173994][ T1154] ? khugepaged+0x2506/0x3fc0 [ 61.178672][ T1154] ? xas_find+0x31a/0x880 [ 61.183009][ T1154] ? check_preemption_disabled+0x38/0x220 [ 61.188815][ T1154] khugepaged+0x3041/0x3fc0 [ 61.193337][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.198965][ T1154] ? lock_downgrade+0x840/0x840 [ 61.203807][ T1154] ? finish_wait+0x260/0x260 [ 61.208392][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 61.214191][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 executing program [ 61.220169][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 61.225187][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.230812][ T1154] kthread+0x3b5/0x4a0 [ 61.234874][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.240585][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.246320][ T1154] ret_from_fork+0x1f/0x30 [ 61.642071][ T6808] can: request_module (can-proto-0) failed. [ 62.595080][ T6808] can: request_module (can-proto-0) failed. [ 62.607117][ T6808] can: request_module (can-proto-0) failed.