Starting Load/Save RF Kill Switch Status... [ 56.498966][ T6910] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6910 [ 56.508384][ T6910] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 56.514256][ T6910] CPU: 0 PID: 6910 Comm: systemd-rfkill Not tainted 5.7.0-next-20200602-syzkaller #0 [ 56.523679][ T6910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.533736][ T6910] Call Trace: [ 56.537006][ T6910] dump_stack+0x18f/0x20d [ 56.541332][ T6910] check_preemption_disabled+0x20d/0x220 [ 56.546953][ T6910] ext4_mb_new_blocks+0xa4d/0x3b70 [ 56.552060][ T6910] ? ext4_ext_search_right+0x2ca/0xb20 [ 56.557496][ T6910] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 56.563197][ T6910] ext4_ext_map_blocks+0x201b/0x33e0 [ 56.568475][ T6910] ? ext4_ext_release+0x10/0x10 [ 56.573311][ T6910] ? down_write_killable+0x170/0x170 [ 56.578571][ T6910] ? ext4_es_lookup_extent+0x41d/0xd10 [ 56.584008][ T6910] ext4_map_blocks+0x4cb/0x1640 [ 56.588845][ T6910] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 56.594026][ T6910] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.599559][ T6910] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.605512][ T6910] ? prandom_u32_state+0xe/0x170 [ 56.610425][ T6910] ? __brelse+0x84/0xa0 [ 56.614556][ T6910] ? __ext4_new_inode+0x144/0x55e0 [ 56.619645][ T6910] ext4_getblk+0xad/0x520 [ 56.623965][ T6910] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 56.629662][ T6910] ? ext4_free_inode+0x1700/0x1700 [ 56.635203][ T6910] ext4_bread+0x7c/0x380 [ 56.639423][ T6910] ? ext4_getblk+0x520/0x520 [ 56.643988][ T6910] ? dquot_get_next_dqblk+0x180/0x180 [ 56.649338][ T6910] ext4_append+0x153/0x360 [ 56.653734][ T6910] ext4_mkdir+0x5e0/0xdf0 [ 56.658042][ T6910] ? ext4_rmdir+0xde0/0xde0 [ 56.662632][ T6910] ? security_inode_permission+0xc4/0xf0 [ 56.668243][ T6910] vfs_mkdir+0x419/0x690 [ 56.672475][ T6910] do_mkdirat+0x21e/0x280 [ 56.676783][ T6910] ? __ia32_sys_mknod+0xb0/0xb0 [ 56.681625][ T6910] ? do_syscall_64+0x1c/0xe0 [ 56.686190][ T6910] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 56.692166][ T6910] do_syscall_64+0x60/0xe0 [ 56.696567][ T6910] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.702432][ T6910] RIP: 0033:0x7ff18513b687 [ 56.706814][ T6910] Code: Bad RIP value. [ 56.710872][ T6910] RSP: 002b:00007ffcc5bd1218 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 56.719258][ T6910] RAX: ffffffffffffffda RBX: 0000560bebc67985 RCX: 00007ff18513b687 [ 56.727210][ T6910] RDX: 00007ffcc5bd10e0 RSI: 00000000000001ed RDI: 0000560bebc67985 [ 56.735157][ T6910] RBP: 00007ff18513b680 R08: 0000000000000100 R09: 0000000000000000 [ 56.743191][ T6910] R10: 0000560bebc67980 R11: 0000000000000246 R12: 00000000000001ed [ 56.751150][ T6910] R13: 00007ffcc5bd13a0 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 58.307936][ T26] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/26 [ 58.318364][ T26] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.324239][ T26] CPU: 1 PID: 26 Comm: kworker/u4:2 Not tainted 5.7.0-next-20200602-syzkaller #0 [ 58.333321][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.343370][ T26] Workqueue: writeback wb_workfn (flush-8:0) [ 58.349329][ T26] Call Trace: [ 58.352606][ T26] dump_stack+0x18f/0x20d [ 58.356920][ T26] check_preemption_disabled+0x20d/0x220 [ 58.362688][ T26] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.368306][ T26] ? ext4_find_extent+0x81a/0xad0 [ 58.373386][ T26] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.378833][ T26] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.384536][ T26] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.389820][ T26] ? ext4_ext_release+0x10/0x10 [ 58.394662][ T26] ? down_write_killable+0x170/0x170 [ 58.399928][ T26] ? ext4_es_lookup_extent+0x41d/0xd10 [ 58.405371][ T26] ext4_map_blocks+0x4cb/0x1640 [ 58.410228][ T26] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.415443][ T26] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.420980][ T26] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.426957][ T26] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 58.432408][ T26] ext4_writepages+0x1ab5/0x3400 [ 58.437341][ T26] ? __ext4_mark_inode_dirty+0x940/0x940 [ 58.442951][ T26] ? __lock_acquire+0x2224/0x48b0 [ 58.447991][ T26] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 58.453992][ T26] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 58.459979][ T26] ? __ext4_mark_inode_dirty+0x940/0x940 [ 58.465596][ T26] ? do_writepages+0xfa/0x2a0 [ 58.470255][ T26] do_writepages+0xfa/0x2a0 [ 58.474743][ T26] ? page_writeback_cpu_online+0x10/0x10 [ 58.480378][ T26] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.485904][ T26] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.491863][ T26] ? lock_downgrade+0x840/0x840 [ 58.496698][ T26] __writeback_single_inode+0x12a/0x13d0 [ 58.502326][ T26] ? _raw_spin_unlock+0x24/0x40 [ 58.507157][ T26] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 58.513123][ T26] writeback_sb_inodes+0x515/0xdc0 [ 58.518224][ T26] ? __writeback_single_inode+0x13d0/0x13d0 [ 58.524107][ T26] __writeback_inodes_wb+0xc3/0x250 [ 58.529290][ T26] wb_writeback+0x8db/0xd50 [ 58.533778][ T26] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 58.540089][ T26] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 58.545990][ T26] ? cpumask_next+0x3c/0x40 [ 58.550484][ T26] ? get_nr_dirty_inodes+0xd6/0x130 [ 58.555666][ T26] wb_workfn+0xab3/0x1090 [ 58.559980][ T26] ? inode_wait_for_writeback+0x30/0x30 [ 58.565511][ T26] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.571041][ T26] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.577005][ T26] process_one_work+0x965/0x1690 [ 58.581951][ T26] ? lock_release+0x800/0x800 [ 58.586645][ T26] ? pwq_dec_nr_in_flight+0x310/0x310 [ 58.592010][ T26] ? rwlock_bug.part.0+0x90/0x90 [ 58.596943][ T26] worker_thread+0x96/0xe10 [ 58.601496][ T26] ? process_one_work+0x1690/0x1690 [ 58.606675][ T26] kthread+0x3b5/0x4a0 [ 58.610725][ T26] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.616449][ T26] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.622165][ T26] ret_from_fork+0x1f/0x30 Warning: Permanently added '10.128.0.246' (ECDSA) to the list of known hosts. 2020/06/02 23:58:40 fuzzer started 2020/06/02 23:58:40 connecting to host at 10.128.0.26:45119 2020/06/02 23:58:40 checking machine... 2020/06/02 23:58:40 checking revisions... 2020/06/02 23:58:40 testing simple program... [ 61.697628][ T6962] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6962 [ 61.706692][ T6962] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.712726][ T6962] CPU: 0 PID: 6962 Comm: syz-fuzzer Not tainted 5.7.0-next-20200602-syzkaller #0 [ 61.721840][ T6962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.731891][ T6962] Call Trace: [ 61.735169][ T6962] dump_stack+0x18f/0x20d [ 61.739487][ T6962] check_preemption_disabled+0x20d/0x220 [ 61.745116][ T6962] ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.750234][ T6962] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.755684][ T6962] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 61.761386][ T6962] ext4_ext_map_blocks+0x201b/0x33e0 [ 61.766661][ T6962] ? ext4_ext_release+0x10/0x10 [ 61.771511][ T6962] ? down_write_killable+0x170/0x170 [ 61.776784][ T6962] ? ext4_es_lookup_extent+0x41d/0xd10 [ 61.782223][ T6962] ext4_map_blocks+0x4cb/0x1640 [ 61.787662][ T6962] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.792834][ T6962] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.798371][ T6962] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.804338][ T6962] ? prandom_u32_state+0xe/0x170 [ 61.809253][ T6962] ? __brelse+0x84/0xa0 [ 61.813401][ T6962] ? __ext4_new_inode+0x144/0x55e0 [ 61.818504][ T6962] ext4_getblk+0xad/0x520 [ 61.822836][ T6962] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 61.828546][ T6962] ? ext4_free_inode+0x1700/0x1700 [ 61.833653][ T6962] ext4_bread+0x7c/0x380 [ 61.837884][ T6962] ? ext4_getblk+0x520/0x520 [ 61.842454][ T6962] ? dquot_get_next_dqblk+0x180/0x180 [ 61.847820][ T6962] ext4_append+0x153/0x360 [ 61.852215][ T6962] ext4_mkdir+0x5e0/0xdf0 [ 61.856524][ T6962] ? ext4_rmdir+0xde0/0xde0 [ 61.861008][ T6962] ? security_inode_permission+0xc4/0xf0 [ 61.866622][ T6962] vfs_mkdir+0x419/0x690 [ 61.870843][ T6962] do_mkdirat+0x21e/0x280 [ 61.875149][ T6962] ? __ia32_sys_mknod+0xb0/0xb0 [ 61.879993][ T6962] ? do_syscall_64+0x1c/0xe0 [ 61.884563][ T6962] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.890559][ T6962] do_syscall_64+0x60/0xe0 [ 61.895051][ T6962] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.900924][ T6962] RIP: 0033:0x4b02a0 [ 61.904794][ T6962] Code: Bad RIP value. [ 61.908832][ T6962] RSP: 002b:000000c0000cd4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 61.917232][ T6962] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 61.925183][ T6962] RDX: 00000000000001c0 RSI: 000000c000026ce0 RDI: ffffffffffffff9c [ 61.933129][ T6962] RBP: 000000c0000cd510 R08: 0000000000000000 R09: 0000000000000000 [ 61.941127][ T6962] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 61.949534][ T6962] R13: 0000000000000068 R14: 0000000000000067 R15: 0000000000000100 [ 62.006067][ T6977] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6977 [ 62.016351][ T6977] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.022395][ T6977] CPU: 1 PID: 6977 Comm: syz-executor.0 Not tainted 5.7.0-next-20200602-syzkaller #0 [ 62.031835][ T6977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.041868][ T6977] Call Trace: [ 62.045139][ T6977] dump_stack+0x18f/0x20d [ 62.049475][ T6977] check_preemption_disabled+0x20d/0x220 [ 62.055087][ T6977] ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.060181][ T6977] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.065632][ T6977] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 62.071400][ T6977] ext4_ext_map_blocks+0x201b/0x33e0 [ 62.076674][ T6977] ? ext4_ext_release+0x10/0x10 [ 62.081577][ T6977] ? down_write_killable+0x170/0x170 [ 62.086971][ T6977] ? ext4_es_lookup_extent+0x41d/0xd10 [ 62.092413][ T6977] ext4_map_blocks+0x4cb/0x1640 [ 62.097264][ T6977] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.102444][ T6977] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.107971][ T6977] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.113947][ T6977] ? prandom_u32_state+0xe/0x170 [ 62.118862][ T6977] ? __brelse+0x84/0xa0 [ 62.123006][ T6977] ? __ext4_new_inode+0x144/0x55e0 [ 62.128096][ T6977] ext4_getblk+0xad/0x520 [ 62.132403][ T6977] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 62.138099][ T6977] ? ext4_free_inode+0x1700/0x1700 [ 62.143187][ T6977] ext4_bread+0x7c/0x380 [ 62.147406][ T6977] ? ext4_getblk+0x520/0x520 [ 62.151990][ T6977] ? dquot_get_next_dqblk+0x180/0x180 [ 62.157367][ T6977] ext4_append+0x153/0x360 [ 62.161780][ T6977] ext4_mkdir+0x5e0/0xdf0 [ 62.166087][ T6977] ? ext4_rmdir+0xde0/0xde0 [ 62.170569][ T6977] ? security_inode_permission+0xc4/0xf0 [ 62.176191][ T6977] vfs_mkdir+0x419/0x690 [ 62.180412][ T6977] do_mkdirat+0x21e/0x280 [ 62.184732][ T6977] ? __ia32_sys_mknod+0xb0/0xb0 [ 62.189563][ T6977] ? do_syscall_64+0x1c/0xe0 [ 62.194129][ T6977] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.200087][ T6977] do_syscall_64+0x60/0xe0 [ 62.204480][ T6977] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.210355][ T6977] RIP: 0033:0x45bee7 [ 62.214227][ T6977] Code: Bad RIP value. [ 62.218265][ T6977] RSP: 002b:00007ffe5aa0c9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 62.226663][ T6977] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 62.234622][ T6977] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 00007ffe5aa0cbd0 [ 62.242580][ T6977] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000002b80 [ 62.250525][ T6977] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 62.258477][ T6977] R13: 00007ffe5aa0cbd0 R14: 8421084210842109 R15: 00007ffe5aa0cbdc [ 62.342143][ T6978] IPVS: ftp: loaded support on port[0] = 21 [ 62.376716][ T6978] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6978 [ 62.386160][ T6978] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.392312][ T6978] CPU: 0 PID: 6978 Comm: syz-executor.0 Not tainted 5.7.0-next-20200602-syzkaller #0 [ 62.401759][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.411863][ T6978] Call Trace: [ 62.415135][ T6978] dump_stack+0x18f/0x20d [ 62.419447][ T6978] check_preemption_disabled+0x20d/0x220 [ 62.425196][ T6978] ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.430337][ T6978] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.435776][ T6978] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 62.441478][ T6978] ext4_ext_map_blocks+0x201b/0x33e0 [ 62.447096][ T6978] ? ext4_ext_release+0x10/0x10 [ 62.451944][ T6978] ? down_write_killable+0x170/0x170 [ 62.457222][ T6978] ? ext4_es_lookup_extent+0x41d/0xd10 [ 62.462663][ T6978] ext4_map_blocks+0x4cb/0x1640 [ 62.467512][ T6978] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.472686][ T6978] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.478224][ T6978] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.484201][ T6978] ? prandom_u32_state+0xe/0x170 [ 62.489128][ T6978] ? __brelse+0x84/0xa0 [ 62.493259][ T6978] ? __ext4_new_inode+0x144/0x55e0 [ 62.498365][ T6978] ext4_getblk+0xad/0x520 [ 62.502675][ T6978] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 62.508374][ T6978] ? ext4_free_inode+0x1700/0x1700 [ 62.513463][ T6978] ext4_bread+0x7c/0x380 [ 62.517684][ T6978] ? ext4_getblk+0x520/0x520 [ 62.522265][ T6978] ? dquot_get_next_dqblk+0x180/0x180 [ 62.527617][ T6978] ext4_append+0x153/0x360 [ 62.532022][ T6978] ext4_mkdir+0x5e0/0xdf0 [ 62.536345][ T6978] ? ext4_rmdir+0xde0/0xde0 [ 62.540841][ T6978] ? security_inode_permission+0xc4/0xf0 [ 62.546606][ T6978] vfs_mkdir+0x419/0x690 [ 62.550842][ T6978] do_mkdirat+0x21e/0x280 [ 62.555155][ T6978] ? __ia32_sys_mknod+0xb0/0xb0 [ 62.559988][ T6978] ? do_syscall_64+0x1c/0xe0 [ 62.564559][ T6978] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.570540][ T6978] do_syscall_64+0x60/0xe0 [ 62.574948][ T6978] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.580816][ T6978] RIP: 0033:0x45bee7 [ 62.584681][ T6978] Code: Bad RIP value. [ 62.588730][ T6978] RSP: 002b:00007ffe5aa0c8e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 62.597122][ T6978] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 62.605068][ T6978] RDX: 00007ffe5aa0c933 RSI: 00000000000001ff RDI: 00007ffe5aa0c930 [ 62.613025][ T6978] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 62.620981][ T6978] R10: 0000000000000064 R11: 0000000000000206 R12: 00000000004185d0 [ 62.628943][ T6978] R13: 00007ffe5aa0c920 R14: 0000000000000000 R15: 00007ffe5aa0c930 [ 62.678313][ T6978] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6978 [ 62.687808][ T6978] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.693707][ T6978] CPU: 1 PID: 6978 Comm: syz-executor.0 Not tainted 5.7.0-next-20200602-syzkaller #0 [ 62.703156][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.713211][ T6978] Call Trace: [ 62.716514][ T6978] dump_stack+0x18f/0x20d [ 62.720859][ T6978] check_preemption_disabled+0x20d/0x220 [ 62.726495][ T6978] ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.731621][ T6978] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.737084][ T6978] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 62.742826][ T6978] ext4_ext_map_blocks+0x201b/0x33e0 [ 62.748164][ T6978] ? ext4_ext_release+0x10/0x10 [ 62.753038][ T6978] ? down_write_killable+0x170/0x170 [ 62.758308][ T6978] ? ext4_es_lookup_extent+0x41d/0xd10 [ 62.763747][ T6978] ext4_map_blocks+0x4cb/0x1640 [ 62.768596][ T6978] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.773786][ T6978] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.779307][ T6978] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.785270][ T6978] ? prandom_u32_state+0xe/0x170 [ 62.790202][ T6978] ? __brelse+0x84/0xa0 [ 62.794352][ T6978] ? __ext4_new_inode+0x144/0x55e0 [ 62.799449][ T6978] ext4_getblk+0xad/0x520 [ 62.803756][ T6978] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 62.809454][ T6978] ? ext4_free_inode+0x1700/0x1700 [ 62.814545][ T6978] ext4_bread+0x7c/0x380 [ 62.818778][ T6978] ? ext4_getblk+0x520/0x520 [ 62.823357][ T6978] ? dquot_get_next_dqblk+0x180/0x180 [ 62.828710][ T6978] ext4_append+0x153/0x360 [ 62.833105][ T6978] ext4_mkdir+0x5e0/0xdf0 [ 62.837431][ T6978] ? ext4_rmdir+0xde0/0xde0 [ 62.841925][ T6978] ? security_inode_permission+0xc4/0xf0 [ 62.847536][ T6978] vfs_mkdir+0x419/0x690 [ 62.851770][ T6978] do_mkdirat+0x21e/0x280 [ 62.856075][ T6978] ? __ia32_sys_mknod+0xb0/0xb0 [ 62.860904][ T6978] ? do_syscall_64+0x1c/0xe0 [ 62.865467][ T6978] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.871433][ T6978] do_syscall_64+0x60/0xe0 [ 62.875826][ T6978] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.881695][ T6978] RIP: 0033:0x45bee7 [ 62.885558][ T6978] Code: Bad RIP value. [ 62.889598][ T6978] RSP: 002b:00007ffe5aa0c8e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 62.897982][ T6978] RAX: ffffffffffffffda RBX: 000000000000f4c7 RCX: 000000000045bee7 [ 62.905944][ T6978] RDX: 00007ffe5aa0c933 RSI: 00000000000001ff RDI: 00007ffe5aa0c930 [ 62.913892][ T6978] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 2020/06/02 23:58:42 building call list... [ 62.921855][ T6978] R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000003 [ 62.929812][ T6978] R13: 00007ffe5aa0c920 R14: 000000000000f4c2 R15: 00007ffe5aa0c930 [ 63.196780][ T26] tipc: TX() has been purged, node left! executing program [ 64.612663][ T6965] can: request_module (can-proto-0) failed. [ 64.870256][ T1153] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1153 [ 64.879476][ T1153] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 64.885562][ T1153] CPU: 0 PID: 1153 Comm: khugepaged Not tainted 5.7.0-next-20200602-syzkaller #0 [ 64.894646][ T1153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.904685][ T1153] Call Trace: [ 64.908009][ T1153] dump_stack+0x18f/0x20d [ 64.912322][ T1153] check_preemption_disabled+0x20d/0x220 [ 64.917934][ T1153] ext4_mb_new_blocks+0xa4d/0x3b70 [ 64.923025][ T1153] ? ext4_find_extent+0x81a/0xad0 [ 64.928813][ T1153] ? ext4_ext_search_right+0x2ca/0xb20 [ 64.934273][ T1153] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 64.939991][ T1153] ext4_ext_map_blocks+0x201b/0x33e0 [ 64.945264][ T1153] ? ext4_ext_release+0x10/0x10 [ 64.950107][ T1153] ? down_write_killable+0x170/0x170 [ 64.955381][ T1153] ? ext4_es_lookup_extent+0x41d/0xd10 [ 64.960834][ T1153] ext4_map_blocks+0x4cb/0x1640 [ 64.965680][ T1153] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 64.970860][ T1153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.976381][ T1153] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.982352][ T1153] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 64.987794][ T1153] ext4_writepages+0x1ab5/0x3400 [ 64.992711][ T1153] ? mark_lock+0x20/0xdd0 [ 64.997039][ T1153] ? __ext4_mark_inode_dirty+0x940/0x940 [ 65.002661][ T1153] ? __ext4_mark_inode_dirty+0x940/0x940 [ 65.008269][ T1153] ? do_writepages+0xfa/0x2a0 [ 65.013114][ T1153] do_writepages+0xfa/0x2a0 [ 65.017627][ T1153] ? page_writeback_cpu_online+0x10/0x10 [ 65.024330][ T1153] ? do_raw_spin_lock+0x120/0x2d0 [ 65.029339][ T1153] ? do_raw_spin_unlock+0x171/0x260 [ 65.034529][ T1153] ? _raw_spin_unlock+0x24/0x40 [ 65.039366][ T1153] __filemap_fdatawrite_range+0x2aa/0x390 [ 65.045184][ T1153] ? collapse_file+0x35a2/0x4330 [ 65.050113][ T1153] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 65.056196][ T1153] ? _raw_spin_unlock_irq+0x1f/0x80 [ 65.061388][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 65.067657][ T1153] collapse_file+0x35ac/0x4330 [ 65.072435][ T1153] ? collapse_huge_page+0x4350/0x4350 [ 65.077874][ T1153] ? khugepaged+0x2506/0x3fc0 [ 65.082573][ T1153] ? xas_find+0x31a/0x880 [ 65.086884][ T1153] ? check_preemption_disabled+0x38/0x220 [ 65.092590][ T1153] khugepaged+0x3041/0x3fc0 [ 65.097103][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 65.102828][ T1153] ? lock_downgrade+0x840/0x840 [ 65.107904][ T1153] ? finish_wait+0x260/0x260 [ 65.112498][ T1153] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 65.118901][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 65.124894][ T1153] ? __kthread_parkme+0x13f/0x1e0 [ 65.130023][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 65.135640][ T1153] kthread+0x3b5/0x4a0 [ 65.139690][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 65.146345][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 65.152046][ T1153] ret_from_fork+0x1f/0x30 [ 65.218739][ T1153] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1153 [ 65.228183][ T1153] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 65.234080][ T1153] CPU: 0 PID: 1153 Comm: khugepaged Not tainted 5.7.0-next-20200602-syzkaller #0 [ 65.243486][ T1153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.255818][ T1153] Call Trace: [ 65.259111][ T1153] dump_stack+0x18f/0x20d [ 65.263453][ T1153] check_preemption_disabled+0x20d/0x220 [ 65.269937][ T1153] ext4_mb_new_blocks+0xa4d/0x3b70 [ 65.275035][ T1153] ? ext4_ext_search_right+0x2ca/0xb20 [ 65.280596][ T1153] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 65.286735][ T1153] ext4_ext_map_blocks+0x201b/0x33e0 [ 65.292105][ T1153] ? ext4_ext_release+0x10/0x10 [ 65.296947][ T1153] ? down_write_killable+0x170/0x170 [ 65.302303][ T1153] ? ext4_es_lookup_extent+0x41d/0xd10 [ 65.307751][ T1153] ext4_map_blocks+0x4cb/0x1640 [ 65.312598][ T1153] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 65.317780][ T1153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.323397][ T1153] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 65.329384][ T1153] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 65.334845][ T1153] ext4_writepages+0x1ab5/0x3400 [ 65.339795][ T1153] ? mark_lock+0x20/0xdd0 [ 65.344115][ T1153] ? __ext4_mark_inode_dirty+0x940/0x940 [ 65.349745][ T1153] ? __ext4_mark_inode_dirty+0x940/0x940 [ 65.355357][ T1153] ? do_writepages+0xfa/0x2a0 [ 65.360040][ T1153] do_writepages+0xfa/0x2a0 [ 65.364525][ T1153] ? page_writeback_cpu_online+0x10/0x10 [ 65.370145][ T1153] ? do_raw_spin_lock+0x120/0x2d0 [ 65.375159][ T1153] ? do_raw_spin_unlock+0x171/0x260 [ 65.380369][ T1153] ? _raw_spin_unlock+0x24/0x40 [ 65.385330][ T1153] __filemap_fdatawrite_range+0x2aa/0x390 [ 65.391140][ T1153] ? collapse_file+0x35a2/0x4330 [ 65.396089][ T1153] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 65.402158][ T1153] ? _raw_spin_unlock_irq+0x1f/0x80 [ 65.407355][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 65.413327][ T1153] collapse_file+0x35ac/0x4330 [ 65.418179][ T1153] ? collapse_huge_page+0x4350/0x4350 [ 65.423531][ T1153] ? khugepaged+0x2506/0x3fc0 [ 65.428213][ T1153] ? xas_find+0x31a/0x880 [ 65.432551][ T1153] ? check_preemption_disabled+0x38/0x220 [ 65.438367][ T1153] khugepaged+0x3041/0x3fc0 [ 65.442865][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 65.448490][ T1153] ? lock_downgrade+0x840/0x840 [ 65.453324][ T1153] ? finish_wait+0x260/0x260 [ 65.457894][ T1153] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 65.463691][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 65.469666][ T1153] ? __kthread_parkme+0x13f/0x1e0 [ 65.474688][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 65.480354][ T1153] kthread+0x3b5/0x4a0 [ 65.484406][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 65.490106][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 65.495859][ T1153] ret_from_fork+0x1f/0x30 [ 65.558244][ T1153] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1153 [ 65.568368][ T1153] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 65.574256][ T1153] CPU: 0 PID: 1153 Comm: khugepaged Not tainted 5.7.0-next-20200602-syzkaller #0 [ 65.583353][ T1153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.593394][ T1153] Call Trace: [ 65.596684][ T1153] dump_stack+0x18f/0x20d [ 65.601013][ T1153] check_preemption_disabled+0x20d/0x220 [ 65.606641][ T1153] ext4_mb_new_blocks+0xa4d/0x3b70 [ 65.611734][ T1153] ? ext4_ext_search_right+0x2ca/0xb20 [ 65.617190][ T1153] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 65.623317][ T1153] ext4_ext_map_blocks+0x201b/0x33e0 [ 65.628605][ T1153] ? ext4_ext_release+0x10/0x10 [ 65.633439][ T1153] ? down_write_killable+0x170/0x170 [ 65.638701][ T1153] ? ext4_es_lookup_extent+0x41d/0xd10 [ 65.644224][ T1153] ext4_map_blocks+0x4cb/0x1640 [ 65.649056][ T1153] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 65.654234][ T1153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.659771][ T1153] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 65.665731][ T1153] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 65.671166][ T1153] ext4_writepages+0x1ab5/0x3400 [ 65.676092][ T1153] ? mark_lock+0x20/0xdd0 [ 65.680419][ T1153] ? __ext4_mark_inode_dirty+0x940/0x940 [ 65.686153][ T1153] ? __ext4_mark_inode_dirty+0x940/0x940 [ 65.691767][ T1153] ? do_writepages+0xfa/0x2a0 [ 65.696419][ T1153] do_writepages+0xfa/0x2a0 [ 65.700903][ T1153] ? page_writeback_cpu_online+0x10/0x10 [ 65.706524][ T1153] ? do_raw_spin_lock+0x120/0x2d0 [ 65.711619][ T1153] ? do_raw_spin_unlock+0x171/0x260 [ 65.716795][ T1153] ? _raw_spin_unlock+0x24/0x40 [ 65.721622][ T1153] __filemap_fdatawrite_range+0x2aa/0x390 [ 65.727347][ T1153] ? collapse_file+0x35a2/0x4330 [ 65.732273][ T1153] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 65.738320][ T1153] ? _raw_spin_unlock_irq+0x1f/0x80 [ 65.743505][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 65.749495][ T1153] collapse_file+0x35ac/0x4330 [ 65.754245][ T1153] ? collapse_huge_page+0x4350/0x4350 [ 65.759591][ T1153] ? khugepaged+0x2506/0x3fc0 [ 65.764247][ T1153] ? xas_find+0x31a/0x880 [ 65.768555][ T1153] ? check_preemption_disabled+0x38/0x220 [ 65.774283][ T1153] khugepaged+0x3041/0x3fc0 [ 65.778792][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 65.784409][ T1153] ? lock_downgrade+0x840/0x840 [ 65.789259][ T1153] ? finish_wait+0x260/0x260 [ 65.793830][ T1153] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 65.799620][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 65.805610][ T1153] ? __kthread_parkme+0x13f/0x1e0 [ 65.810650][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 65.816264][ T1153] kthread+0x3b5/0x4a0 [ 65.820335][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 65.826048][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 65.831761][ T1153] ret_from_fork+0x1f/0x30 [ 66.002910][ T6965] can: request_module (can-proto-0) failed. [ 66.014251][ T6965] can: request_module (can-proto-0) failed.