Starting Load/Save RF Kill Switch Status... [ 54.325701][ T6726] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6726 [ 54.335267][ T6726] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 54.341225][ T6726] CPU: 0 PID: 6726 Comm: systemd-rfkill Not tainted 5.7.0-next-20200602-syzkaller #0 [ 54.350692][ T6726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.360728][ T6726] Call Trace: [ 54.364016][ T6726] dump_stack+0x18f/0x20d [ 54.368350][ T6726] check_preemption_disabled+0x20d/0x220 [ 54.373964][ T6726] ext4_mb_new_blocks+0xa4d/0x3b70 [ 54.379083][ T6726] ? ext4_ext_search_right+0x2ca/0xb20 [ 54.384536][ T6726] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 54.390240][ T6726] ext4_ext_map_blocks+0x201b/0x33e0 [ 54.395508][ T6726] ? ext4_ext_release+0x10/0x10 [ 54.400351][ T6726] ? down_write_killable+0x170/0x170 [ 54.405618][ T6726] ? ext4_es_lookup_extent+0x41d/0xd10 [ 54.411685][ T6726] ext4_map_blocks+0x4cb/0x1640 [ 54.416532][ T6726] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 54.421739][ T6726] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 54.427262][ T6726] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 54.433218][ T6726] ? prandom_u32_state+0xe/0x170 [ 54.438136][ T6726] ? __brelse+0x84/0xa0 [ 54.442269][ T6726] ? __ext4_new_inode+0x144/0x55e0 [ 54.447374][ T6726] ext4_getblk+0xad/0x520 [ 54.451708][ T6726] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 54.457457][ T6726] ? ext4_free_inode+0x1700/0x1700 [ 54.462691][ T6726] ext4_bread+0x7c/0x380 [ 54.466930][ T6726] ? ext4_getblk+0x520/0x520 [ 54.471504][ T6726] ? dquot_get_next_dqblk+0x180/0x180 [ 54.476866][ T6726] ext4_append+0x153/0x360 [ 54.481274][ T6726] ext4_mkdir+0x5e0/0xdf0 [ 54.485590][ T6726] ? ext4_rmdir+0xde0/0xde0 [ 54.490095][ T6726] ? security_inode_permission+0xc4/0xf0 [ 54.495710][ T6726] vfs_mkdir+0x419/0x690 [ 54.499950][ T6726] do_mkdirat+0x21e/0x280 [ 54.504268][ T6726] ? __ia32_sys_mknod+0xb0/0xb0 [ 54.509097][ T6726] ? do_syscall_64+0x1c/0xe0 [ 54.513686][ T6726] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 54.519664][ T6726] do_syscall_64+0x60/0xe0 [ 54.524085][ T6726] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.530142][ T6726] RIP: 0033:0x7fa49b78d687 [ 54.534530][ T6726] Code: Bad RIP value. [ 54.538572][ T6726] RSP: 002b:00007ffde44382d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 54.546960][ T6726] RAX: ffffffffffffffda RBX: 00005647ba692985 RCX: 00007fa49b78d687 [ 54.554924][ T6726] RDX: 00007ffde44381a0 RSI: 00000000000001ed RDI: 00005647ba692985 [ 54.562887][ T6726] RBP: 00007fa49b78d680 R08: 0000000000000100 R09: 0000000000000000 [ 54.570840][ T6726] R10: 00005647ba692980 R11: 0000000000000246 R12: 00000000000001ed [ 54.578789][ T6726] R13: 00007ffde4438460 R14: 0000000000000000 R15: 0000000000000000 Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 57.126547][ T343] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:5/343 [ 57.136075][ T343] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.142066][ T343] CPU: 1 PID: 343 Comm: kworker/u4:5 Not tainted 5.7.0-next-20200602-syzkaller #0 [ 57.151338][ T343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.161475][ T343] Workqueue: writeback wb_workfn (flush-8:0) [ 57.167439][ T343] Call Trace: [ 57.170722][ T343] dump_stack+0x18f/0x20d [ 57.175041][ T343] check_preemption_disabled+0x20d/0x220 [ 57.180651][ T343] ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.185749][ T343] ? ext4_find_extent+0x81a/0xad0 [ 57.191108][ T343] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.196542][ T343] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.202241][ T343] ext4_ext_map_blocks+0x201b/0x33e0 [ 57.207544][ T343] ? ext4_ext_release+0x10/0x10 [ 57.212393][ T343] ? down_write_killable+0x170/0x170 [ 57.217673][ T343] ? ext4_es_lookup_extent+0x41d/0xd10 [ 57.223121][ T343] ext4_map_blocks+0x4cb/0x1640 [ 57.227965][ T343] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.233189][ T343] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.238711][ T343] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.244668][ T343] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.250132][ T343] ext4_writepages+0x1ab5/0x3400 [ 57.255159][ T343] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.260771][ T343] ? __lock_acquire+0x2224/0x48b0 [ 57.265795][ T343] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.271755][ T343] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.277739][ T343] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.283347][ T343] ? do_writepages+0xfa/0x2a0 [ 57.288029][ T343] do_writepages+0xfa/0x2a0 [ 57.292673][ T343] ? page_writeback_cpu_online+0x10/0x10 [ 57.298311][ T343] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.303850][ T343] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.309809][ T343] ? lock_downgrade+0x840/0x840 [ 57.314649][ T343] __writeback_single_inode+0x12a/0x13d0 [ 57.320264][ T343] ? _raw_spin_unlock+0x24/0x40 [ 57.325090][ T343] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 57.331050][ T343] writeback_sb_inodes+0x515/0xdc0 [ 57.336187][ T343] ? __writeback_single_inode+0x13d0/0x13d0 [ 57.342067][ T343] __writeback_inodes_wb+0xc3/0x250 [ 57.347248][ T343] wb_writeback+0x8db/0xd50 [ 57.351743][ T343] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 57.358066][ T343] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 57.363939][ T343] ? cpumask_next+0x3c/0x40 [ 57.368427][ T343] ? get_nr_dirty_inodes+0xd6/0x130 [ 57.373609][ T343] wb_workfn+0xab3/0x1090 [ 57.377940][ T343] ? inode_wait_for_writeback+0x30/0x30 [ 57.383470][ T343] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.388993][ T343] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.394990][ T343] process_one_work+0x965/0x1690 [ 57.399933][ T343] ? lock_release+0x800/0x800 [ 57.404595][ T343] ? pwq_dec_nr_in_flight+0x310/0x310 [ 57.409947][ T343] ? rwlock_bug.part.0+0x90/0x90 [ 57.414883][ T343] worker_thread+0x96/0xe10 [ 57.419392][ T343] ? process_one_work+0x1690/0x1690 [ 57.424588][ T343] kthread+0x3b5/0x4a0 [ 57.428642][ T343] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.434394][ T343] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.440135][ T343] ret_from_fork+0x1f/0x30 Warning: Permanently added '10.128.0.251' (ECDSA) to the list of known hosts. 2020/06/02 11:54:56 fuzzer started 2020/06/02 11:54:56 connecting to host at 10.128.0.26:39833 2020/06/02 11:54:56 checking machine... 2020/06/02 11:54:56 checking revisions... 2020/06/02 11:54:57 testing simple program... [ 59.474783][ T6801] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6801 [ 59.484044][ T6801] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.490119][ T6801] CPU: 1 PID: 6801 Comm: syz-fuzzer Not tainted 5.7.0-next-20200602-syzkaller #0 [ 59.500454][ T6801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.510513][ T6801] Call Trace: [ 59.513807][ T6801] dump_stack+0x18f/0x20d [ 59.518148][ T6801] check_preemption_disabled+0x20d/0x220 [ 59.523837][ T6801] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.528951][ T6801] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.534391][ T6801] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.540093][ T6801] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.545373][ T6801] ? ext4_ext_release+0x10/0x10 [ 59.550223][ T6801] ? down_write_killable+0x170/0x170 [ 59.555492][ T6801] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.560937][ T6801] ext4_map_blocks+0x4cb/0x1640 [ 59.565840][ T6801] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.571021][ T6801] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.576552][ T6801] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.582529][ T6801] ? prandom_u32_state+0xe/0x170 [ 59.587446][ T6801] ? __brelse+0x84/0xa0 [ 59.591596][ T6801] ? __ext4_new_inode+0x144/0x55e0 [ 59.596686][ T6801] ext4_getblk+0xad/0x520 [ 59.601009][ T6801] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.606710][ T6801] ? ext4_free_inode+0x1700/0x1700 [ 59.611809][ T6801] ext4_bread+0x7c/0x380 [ 59.616030][ T6801] ? ext4_getblk+0x520/0x520 [ 59.620613][ T6801] ? dquot_get_next_dqblk+0x180/0x180 [ 59.625971][ T6801] ext4_append+0x153/0x360 [ 59.630365][ T6801] ext4_mkdir+0x5e0/0xdf0 [ 59.634683][ T6801] ? ext4_rmdir+0xde0/0xde0 [ 59.639531][ T6801] ? security_inode_permission+0xc4/0xf0 [ 59.645170][ T6801] vfs_mkdir+0x419/0x690 [ 59.649397][ T6801] do_mkdirat+0x21e/0x280 [ 59.653707][ T6801] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.658545][ T6801] ? do_syscall_64+0x1c/0xe0 [ 59.663113][ T6801] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.669100][ T6801] do_syscall_64+0x60/0xe0 [ 59.673493][ T6801] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.679382][ T6801] RIP: 0033:0x4b02a0 [ 59.683246][ T6801] Code: Bad RIP value. [ 59.687385][ T6801] RSP: 002b:000000c0000d14b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 59.695783][ T6801] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 59.704350][ T6801] RDX: 00000000000001c0 RSI: 000000c0000dac20 RDI: ffffffffffffff9c [ 59.712922][ T6801] RBP: 000000c0000d1510 R08: 0000000000000000 R09: 0000000000000000 [ 59.720892][ T6801] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 59.728943][ T6801] R13: 0000000000000062 R14: 0000000000000061 R15: 0000000000000100 [ 59.745427][ T6813] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6813 [ 59.754826][ T6813] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.760926][ T6813] CPU: 1 PID: 6813 Comm: syz-executor.0 Not tainted 5.7.0-next-20200602-syzkaller #0 [ 59.770383][ T6813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.780417][ T6813] Call Trace: [ 59.783704][ T6813] dump_stack+0x18f/0x20d [ 59.788058][ T6813] check_preemption_disabled+0x20d/0x220 [ 59.793668][ T6813] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.798777][ T6813] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.804231][ T6813] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.809934][ T6813] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.815213][ T6813] ? ext4_ext_release+0x10/0x10 [ 59.820061][ T6813] ? down_write_killable+0x170/0x170 [ 59.825348][ T6813] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.830812][ T6813] ext4_map_blocks+0x4cb/0x1640 [ 59.835645][ T6813] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.840841][ T6813] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.846484][ T6813] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.852495][ T6813] ? prandom_u32_state+0xe/0x170 [ 59.857549][ T6813] ? __brelse+0x84/0xa0 [ 59.861718][ T6813] ? __ext4_new_inode+0x144/0x55e0 [ 59.867257][ T6813] ext4_getblk+0xad/0x520 [ 59.871572][ T6813] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.877289][ T6813] ? ext4_free_inode+0x1700/0x1700 [ 59.882381][ T6813] ext4_bread+0x7c/0x380 [ 59.886629][ T6813] ? ext4_getblk+0x520/0x520 [ 59.891198][ T6813] ? dquot_get_next_dqblk+0x180/0x180 [ 59.896555][ T6813] ext4_append+0x153/0x360 [ 59.901091][ T6813] ext4_mkdir+0x5e0/0xdf0 [ 59.905425][ T6813] ? ext4_rmdir+0xde0/0xde0 [ 59.909926][ T6813] ? security_inode_permission+0xc4/0xf0 [ 59.915562][ T6813] vfs_mkdir+0x419/0x690 [ 59.919820][ T6813] do_mkdirat+0x21e/0x280 [ 59.924226][ T6813] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.929056][ T6813] ? do_syscall_64+0x1c/0xe0 [ 59.933639][ T6813] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.939615][ T6813] do_syscall_64+0x60/0xe0 [ 59.944011][ T6813] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.949881][ T6813] RIP: 0033:0x45bee7 [ 59.953756][ T6813] Code: Bad RIP value. [ 59.957824][ T6813] RSP: 002b:00007fff4d227608 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 59.966324][ T6813] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 59.974274][ T6813] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007fff4d2277e0 [ 59.982242][ T6813] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000002f00 [ 59.990193][ T6813] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 59.998168][ T6813] R13: 00007fff4d2277e0 R14: 8421084210842109 R15: 00007fff4d2277ec [ 60.111044][ T6815] IPVS: ftp: loaded support on port[0] = 21 [ 60.149756][ T6815] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6815 [ 60.159567][ T6815] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.165713][ T6815] CPU: 1 PID: 6815 Comm: syz-executor.0 Not tainted 5.7.0-next-20200602-syzkaller #0 [ 60.175209][ T6815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.185258][ T6815] Call Trace: [ 60.188534][ T6815] dump_stack+0x18f/0x20d [ 60.192864][ T6815] check_preemption_disabled+0x20d/0x220 [ 60.198494][ T6815] ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.203607][ T6815] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.209074][ T6815] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.214789][ T6815] ext4_ext_map_blocks+0x201b/0x33e0 [ 60.221026][ T6815] ? ext4_ext_release+0x10/0x10 [ 60.225869][ T6815] ? down_write_killable+0x170/0x170 [ 60.231148][ T6815] ? ext4_es_lookup_extent+0x41d/0xd10 [ 60.236615][ T6815] ext4_map_blocks+0x4cb/0x1640 [ 60.241664][ T6815] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.246854][ T6815] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.252387][ T6815] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.258355][ T6815] ? prandom_u32_state+0xe/0x170 [ 60.263273][ T6815] ? __brelse+0x84/0xa0 [ 60.267410][ T6815] ? __ext4_new_inode+0x144/0x55e0 [ 60.272540][ T6815] ext4_getblk+0xad/0x520 [ 60.276887][ T6815] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.282599][ T6815] ? ext4_free_inode+0x1700/0x1700 [ 60.287698][ T6815] ext4_bread+0x7c/0x380 [ 60.291954][ T6815] ? ext4_getblk+0x520/0x520 [ 60.296631][ T6815] ? dquot_get_next_dqblk+0x180/0x180 [ 60.302193][ T6815] ext4_append+0x153/0x360 [ 60.306609][ T6815] ext4_mkdir+0x5e0/0xdf0 [ 60.311049][ T6815] ? ext4_rmdir+0xde0/0xde0 [ 60.315561][ T6815] ? security_inode_permission+0xc4/0xf0 [ 60.321369][ T6815] vfs_mkdir+0x419/0x690 [ 60.325602][ T6815] do_mkdirat+0x21e/0x280 [ 60.329933][ T6815] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.334781][ T6815] ? do_syscall_64+0x1c/0xe0 [ 60.339384][ T6815] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.345376][ T6815] do_syscall_64+0x60/0xe0 [ 60.349829][ T6815] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.355758][ T6815] RIP: 0033:0x45bee7 [ 60.359769][ T6815] Code: Bad RIP value. [ 60.363961][ T6815] RSP: 002b:00007fff4d2274f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 60.372369][ T6815] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 60.380323][ T6815] RDX: 00007fff4d227543 RSI: 00000000000001ff RDI: 00007fff4d227540 [ 60.388273][ T6815] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 60.396228][ T6815] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0 [ 60.404310][ T6815] R13: 00007fff4d227530 R14: 0000000000000000 R15: 00007fff4d227540 [ 60.457213][ T6815] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6815 [ 60.466647][ T6815] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.472867][ T6815] CPU: 1 PID: 6815 Comm: syz-executor.0 Not tainted 5.7.0-next-20200602-syzkaller #0 [ 60.482320][ T6815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.492365][ T6815] Call Trace: [ 60.495682][ T6815] dump_stack+0x18f/0x20d [ 60.500110][ T6815] check_preemption_disabled+0x20d/0x220 [ 60.505756][ T6815] ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.510887][ T6815] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.516354][ T6815] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.522093][ T6815] ext4_ext_map_blocks+0x201b/0x33e0 [ 60.527384][ T6815] ? ext4_ext_release+0x10/0x10 [ 60.532231][ T6815] ? down_write_killable+0x170/0x170 [ 60.537616][ T6815] ? ext4_es_lookup_extent+0x41d/0xd10 [ 60.543078][ T6815] ext4_map_blocks+0x4cb/0x1640 [ 60.548021][ T6815] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.553213][ T6815] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.558747][ T6815] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.564729][ T6815] ? prandom_u32_state+0xe/0x170 [ 60.569646][ T6815] ? __brelse+0x84/0xa0 [ 60.573801][ T6815] ? __ext4_new_inode+0x144/0x55e0 [ 60.578914][ T6815] ext4_getblk+0xad/0x520 [ 60.583247][ T6815] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.588951][ T6815] ? ext4_free_inode+0x1700/0x1700 [ 60.594042][ T6815] ext4_bread+0x7c/0x380 [ 60.598261][ T6815] ? ext4_getblk+0x520/0x520 [ 60.602838][ T6815] ? dquot_get_next_dqblk+0x180/0x180 [ 60.608191][ T6815] ext4_append+0x153/0x360 [ 60.612590][ T6815] ext4_mkdir+0x5e0/0xdf0 [ 60.616900][ T6815] ? ext4_rmdir+0xde0/0xde0 [ 60.621413][ T6815] ? security_inode_permission+0xc4/0xf0 [ 60.627029][ T6815] vfs_mkdir+0x419/0x690 [ 60.631271][ T6815] do_mkdirat+0x21e/0x280 [ 60.635599][ T6815] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.640528][ T6815] ? do_syscall_64+0x1c/0xe0 [ 60.645211][ T6815] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.651187][ T6815] do_syscall_64+0x60/0xe0 [ 60.655759][ T6815] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.661653][ T6815] RIP: 0033:0x45bee7 [ 60.665522][ T6815] Code: Bad RIP value. [ 60.669579][ T6815] RSP: 002b:00007fff4d2274f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 60.678065][ T6815] RAX: ffffffffffffffda RBX: 000000000000ec26 RCX: 000000000045bee7 [ 60.686029][ T6815] RDX: 00007fff4d227543 RSI: 00000000000001ff RDI: 00007fff4d227540 [ 60.694001][ T6815] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 2020/06/02 11:54:58 building call list... [ 60.701971][ T6815] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 60.709955][ T6815] R13: 00007fff4d227530 R14: 000000000000ec13 R15: 00007fff4d227540 [ 60.932003][ T162] tipc: TX() has been purged, node left! executing program [ 62.352178][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 62.361528][ T1154] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.367525][ T1154] CPU: 1 PID: 1154 Comm: khugepaged Not tainted 5.7.0-next-20200602-syzkaller #0 [ 62.376632][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.386701][ T1154] Call Trace: [ 62.390002][ T1154] dump_stack+0x18f/0x20d [ 62.394334][ T1154] check_preemption_disabled+0x20d/0x220 [ 62.399968][ T1154] ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.405093][ T1154] ? ext4_find_extent+0x81a/0xad0 [ 62.410124][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.415856][ T1154] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 62.421597][ T1154] ext4_ext_map_blocks+0x201b/0x33e0 [ 62.426986][ T1154] ? ext4_ext_release+0x10/0x10 [ 62.431863][ T1154] ? down_write_killable+0x170/0x170 [ 62.437144][ T1154] ? ext4_es_lookup_extent+0x41d/0xd10 [ 62.442606][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 62.447462][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.452661][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.458201][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.464182][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 62.469656][ T1154] ext4_writepages+0x1ab5/0x3400 [ 62.474651][ T1154] ? mark_lock+0x20/0xdd0 [ 62.479004][ T1154] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.484666][ T1154] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.490297][ T1154] ? do_writepages+0xfa/0x2a0 [ 62.494969][ T1154] do_writepages+0xfa/0x2a0 [ 62.499499][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 62.505131][ T1154] ? do_raw_spin_lock+0x120/0x2d0 [ 62.510155][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 62.515353][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 62.520204][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 62.525928][ T1154] ? collapse_file+0x35a2/0x4330 [ 62.530869][ T1154] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 62.536946][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 62.542256][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.548241][ T1154] collapse_file+0x35ac/0x4330 [ 62.553065][ T1154] ? collapse_huge_page+0x4350/0x4350 [ 62.558434][ T1154] ? khugepaged+0x2506/0x3fc0 [ 62.563147][ T1154] ? xas_find+0x31a/0x880 [ 62.567477][ T1154] ? check_preemption_disabled+0x38/0x220 [ 62.573196][ T1154] khugepaged+0x3041/0x3fc0 [ 62.577725][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.583354][ T1154] ? lock_downgrade+0x840/0x840 [ 62.588197][ T1154] ? finish_wait+0x260/0x260 [ 62.592806][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 62.598627][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.604611][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 62.609722][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.615352][ T1154] kthread+0x3b5/0x4a0 [ 62.619587][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.625321][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.631040][ T1154] ret_from_fork+0x1f/0x30 [ 62.739258][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 62.748544][ T1154] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.754586][ T1154] CPU: 1 PID: 1154 Comm: khugepaged Not tainted 5.7.0-next-20200602-syzkaller #0 [ 62.763779][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.773820][ T1154] Call Trace: [ 62.777107][ T1154] dump_stack+0x18f/0x20d [ 62.781448][ T1154] check_preemption_disabled+0x20d/0x220 [ 62.787133][ T1154] ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.792320][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.797855][ T1154] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 62.804124][ T1154] ext4_ext_map_blocks+0x201b/0x33e0 [ 62.809403][ T1154] ? ext4_ext_release+0x10/0x10 [ 62.814295][ T1154] ? down_write_killable+0x170/0x170 [ 62.819651][ T1154] ? ext4_es_lookup_extent+0x41d/0xd10 [ 62.825113][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 62.829948][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.835152][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.841213][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.847169][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 62.852607][ T1154] ext4_writepages+0x1ab5/0x3400 [ 62.857541][ T1154] ? mark_lock+0x20/0xdd0 [ 62.861857][ T1154] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.867496][ T1154] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.873108][ T1154] ? do_writepages+0xfa/0x2a0 [ 62.877779][ T1154] do_writepages+0xfa/0x2a0 [ 62.882263][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 62.887882][ T1154] ? do_raw_spin_lock+0x120/0x2d0 [ 62.892887][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 62.898062][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 62.902914][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 62.908629][ T1154] ? collapse_file+0x35a2/0x4330 [ 62.913550][ T1154] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 62.919667][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 62.924871][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.930853][ T1154] collapse_file+0x35ac/0x4330 [ 62.935636][ T1154] ? collapse_huge_page+0x4350/0x4350 [ 62.940994][ T1154] ? khugepaged+0x2506/0x3fc0 [ 62.945659][ T1154] ? xas_find+0x31a/0x880 [ 62.949983][ T1154] ? check_preemption_disabled+0x38/0x220 [ 62.955864][ T1154] khugepaged+0x3041/0x3fc0 [ 62.960383][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.966011][ T1154] ? lock_downgrade+0x840/0x840 [ 62.970845][ T1154] ? finish_wait+0x260/0x260 [ 62.975430][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 62.981226][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.987196][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 62.992216][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.997928][ T1154] kthread+0x3b5/0x4a0 [ 63.001992][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.007694][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.013674][ T1154] ret_from_fork+0x1f/0x30 [ 63.033846][ T6810] can: request_module (can-proto-0) failed. [ 63.105851][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 63.115317][ T1154] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.121214][ T1154] CPU: 1 PID: 1154 Comm: khugepaged Not tainted 5.7.0-next-20200602-syzkaller #0 [ 63.130301][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.140359][ T1154] Call Trace: [ 63.143689][ T1154] dump_stack+0x18f/0x20d [ 63.148113][ T1154] check_preemption_disabled+0x20d/0x220 [ 63.153755][ T1154] ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.158946][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.164389][ T1154] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 63.170520][ T1154] ext4_ext_map_blocks+0x201b/0x33e0 [ 63.175791][ T1154] ? ext4_ext_release+0x10/0x10 [ 63.180632][ T1154] ? down_write_killable+0x170/0x170 [ 63.185897][ T1154] ? ext4_es_lookup_extent+0x41d/0xd10 [ 63.191336][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 63.196180][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.201363][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.207012][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.213016][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.218481][ T1154] ext4_writepages+0x1ab5/0x3400 [ 63.223408][ T1154] ? mark_lock+0x20/0xdd0 [ 63.227762][ T1154] ? __ext4_mark_inode_dirty+0x940/0x940 [ 63.233392][ T1154] ? __ext4_mark_inode_dirty+0x940/0x940 [ 63.239008][ T1154] ? do_writepages+0xfa/0x2a0 [ 63.244148][ T1154] do_writepages+0xfa/0x2a0 [ 63.248641][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 63.254394][ T1154] ? do_raw_spin_lock+0x120/0x2d0 [ 63.259485][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 63.264661][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 63.269507][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 63.275222][ T1154] ? collapse_file+0x35a2/0x4330 [ 63.280158][ T1154] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 63.286233][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 63.291413][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.297391][ T1154] collapse_file+0x35ac/0x4330 [ 63.302149][ T1154] ? collapse_huge_page+0x4350/0x4350 [ 63.307523][ T1154] ? khugepaged+0x2506/0x3fc0 [ 63.312334][ T1154] ? xas_find+0x31a/0x880 [ 63.316726][ T1154] ? check_preemption_disabled+0x38/0x220 [ 63.324156][ T1154] khugepaged+0x3041/0x3fc0 [ 63.328714][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.343113][ T1154] ? lock_downgrade+0x840/0x840 [ 63.347964][ T1154] ? finish_wait+0x260/0x260 [ 63.352549][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 63.358335][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.364305][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 63.369307][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.374930][ T1154] kthread+0x3b5/0x4a0 [ 63.379185][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.384892][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.390599][ T1154] ret_from_fork+0x1f/0x30 [ 63.722116][ T6810] can: request_module (can-proto-0) failed. [ 63.734021][ T6810] can: request_module (can-proto-0) failed.