Starting Load/Save RF Kill Switch Status... [ 53.263851][ T6742] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6742 [ 53.273564][ T6742] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 53.279862][ T6742] CPU: 1 PID: 6742 Comm: systemd-rfkill Not tainted 5.7.0-next-20200608-syzkaller #0 [ 53.289328][ T6742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.299365][ T6742] Call Trace: [ 53.302658][ T6742] dump_stack+0x18f/0x20d [ 53.306969][ T6742] check_preemption_disabled+0x20d/0x220 [ 53.312713][ T6742] ext4_mb_new_blocks+0xa4d/0x3b70 [ 53.317820][ T6742] ? ext4_ext_search_right+0x2ca/0xb20 [ 53.323256][ T6742] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 53.328960][ T6742] ext4_ext_map_blocks+0x201b/0x33e0 [ 53.334239][ T6742] ? ext4_ext_release+0x10/0x10 [ 53.339078][ T6742] ? down_write_killable+0x170/0x170 [ 53.344448][ T6742] ? ext4_es_lookup_extent+0x41d/0xd10 [ 53.349906][ T6742] ext4_map_blocks+0x4cb/0x1640 [ 53.354754][ T6742] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 53.359942][ T6742] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 53.365467][ T6742] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 53.371451][ T6742] ? prandom_u32_state+0xe/0x170 [ 53.376366][ T6742] ? __brelse+0x84/0xa0 [ 53.380499][ T6742] ? __ext4_new_inode+0x144/0x55e0 [ 53.385595][ T6742] ext4_getblk+0xad/0x520 [ 53.389905][ T6742] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 53.395605][ T6742] ? ext4_free_inode+0x1700/0x1700 [ 53.400719][ T6742] ext4_bread+0x7c/0x380 [ 53.404940][ T6742] ? ext4_getblk+0x520/0x520 [ 53.409508][ T6742] ? dquot_get_next_dqblk+0x180/0x180 [ 53.414876][ T6742] ext4_append+0x153/0x360 [ 53.419510][ T6742] ext4_mkdir+0x5e0/0xdf0 [ 53.423832][ T6742] ? ext4_rmdir+0xde0/0xde0 [ 53.428437][ T6742] ? security_inode_permission+0xc4/0xf0 [ 53.434082][ T6742] vfs_mkdir+0x419/0x690 [ 53.438323][ T6742] do_mkdirat+0x21e/0x280 [ 53.442630][ T6742] ? __ia32_sys_mknod+0xb0/0xb0 [ 53.447480][ T6742] ? do_syscall_64+0x1c/0xe0 [ 53.452076][ T6742] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 53.458036][ T6742] do_syscall_64+0x60/0xe0 [ 53.462431][ T6742] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.468308][ T6742] RIP: 0033:0x7f0569113687 [ 53.472719][ T6742] Code: Bad RIP value. [ 53.476780][ T6742] RSP: 002b:00007ffed7afd8a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 53.485183][ T6742] RAX: ffffffffffffffda RBX: 0000558c5cb9e985 RCX: 00007f0569113687 [ 53.493220][ T6742] RDX: 00007ffed7afd770 RSI: 00000000000001ed RDI: 0000558c5cb9e985 [ 53.501192][ T6742] RBP: 00007f0569113680 R08: 0000000000000100 R09: 0000000000000000 [ 53.509158][ T6742] R10: 0000558c5cb9e980 R11: 0000000000000246 R12: 00000000000001ed [ 53.517105][ T6742] R13: 00007ffed7afda30 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 57.286067][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 57.295052][ T7] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.301062][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-next-20200608-syzkaller #0 [ 57.310193][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.320259][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 57.326471][ T7] Call Trace: [ 57.329874][ T7] dump_stack+0x18f/0x20d [ 57.334312][ T7] check_preemption_disabled+0x20d/0x220 [ 57.339952][ T7] ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.345065][ T7] ? ext4_find_extent+0x81a/0xad0 [ 57.350085][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.355583][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.361315][ T7] ext4_ext_map_blocks+0x201b/0x33e0 [ 57.366605][ T7] ? ext4_ext_release+0x10/0x10 [ 57.371470][ T7] ? down_write_killable+0x170/0x170 [ 57.376758][ T7] ? ext4_es_lookup_extent+0x41d/0xd10 [ 57.382311][ T7] ext4_map_blocks+0x4cb/0x1640 [ 57.387178][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.392363][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.397887][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.403846][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.409281][ T7] ext4_writepages+0x1a83/0x33c0 [ 57.414210][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.419839][ T7] ? __lock_acquire+0x2224/0x48b0 [ 57.424864][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.431031][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.437263][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.442893][ T7] ? do_writepages+0xf3/0x2a0 [ 57.447552][ T7] do_writepages+0xf3/0x2a0 [ 57.452053][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 57.457691][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.463226][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.469182][ T7] ? lock_downgrade+0x840/0x840 [ 57.474016][ T7] __writeback_single_inode+0x12a/0x13d0 [ 57.479634][ T7] ? _raw_spin_unlock+0x24/0x40 [ 57.484461][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 57.490419][ T7] writeback_sb_inodes+0x515/0xdc0 [ 57.495517][ T7] ? __writeback_single_inode+0x13d0/0x13d0 [ 57.502788][ T7] __writeback_inodes_wb+0xc3/0x250 [ 57.508663][ T7] wb_writeback+0x8c8/0xd40 [ 57.513168][ T7] ? writeback_inodes_wb.constprop.0+0x190/0x190 [ 57.519478][ T7] ? cpumask_next+0x3c/0x40 [ 57.523960][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 57.529137][ T7] wb_workfn+0xab3/0x1090 [ 57.533470][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 57.539015][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.544545][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.550512][ T7] process_one_work+0x965/0x1690 [ 57.555444][ T7] ? lock_release+0x800/0x800 [ 57.560103][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 57.565457][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 57.570400][ T7] worker_thread+0x96/0xe10 [ 57.574895][ T7] ? process_one_work+0x1690/0x1690 [ 57.580093][ T7] kthread+0x3b5/0x4a0 [ 57.584149][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.589861][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.595560][ T7] ret_from_fork+0x1f/0x30 Warning: Permanently added '10.128.0.59' (ECDSA) to the list of known hosts. 2020/06/09 02:11:56 fuzzer started 2020/06/09 02:11:56 connecting to host at 10.128.0.26:46031 2020/06/09 02:11:56 checking machine... 2020/06/09 02:11:56 checking revisions... 2020/06/09 02:11:56 testing simple program... [ 58.476919][ T6817] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6817 [ 58.486147][ T6817] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.492044][ T6817] CPU: 1 PID: 6817 Comm: syz-fuzzer Not tainted 5.7.0-next-20200608-syzkaller #0 [ 58.501239][ T6817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.511313][ T6817] Call Trace: [ 58.514618][ T6817] dump_stack+0x18f/0x20d [ 58.518961][ T6817] check_preemption_disabled+0x20d/0x220 [ 58.524591][ T6817] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.529778][ T6817] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.535215][ T6817] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.540912][ T6817] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.546289][ T6817] ? ext4_ext_release+0x10/0x10 [ 58.551128][ T6817] ? down_write_killable+0x170/0x170 [ 58.556403][ T6817] ? ext4_es_lookup_extent+0x41d/0xd10 [ 58.561868][ T6817] ext4_map_blocks+0x4cb/0x1640 [ 58.566703][ T6817] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.571881][ T6817] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.577410][ T6817] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.583367][ T6817] ? prandom_u32_state+0xe/0x170 [ 58.588293][ T6817] ? __brelse+0x84/0xa0 [ 58.593041][ T6817] ? __ext4_new_inode+0x144/0x55e0 [ 58.598158][ T6817] ext4_getblk+0xad/0x520 [ 58.602822][ T6817] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.608632][ T6817] ? ext4_free_inode+0x1700/0x1700 [ 58.614106][ T6817] ext4_bread+0x7c/0x380 [ 58.618345][ T6817] ? ext4_getblk+0x520/0x520 [ 58.622930][ T6817] ? dquot_get_next_dqblk+0x180/0x180 [ 58.628423][ T6817] ext4_append+0x153/0x360 [ 58.632827][ T6817] ext4_mkdir+0x5e0/0xdf0 [ 58.637178][ T6817] ? ext4_rmdir+0xde0/0xde0 [ 58.641671][ T6817] ? security_inode_permission+0xc4/0xf0 [ 58.647288][ T6817] vfs_mkdir+0x419/0x690 [ 58.651514][ T6817] do_mkdirat+0x21e/0x280 [ 58.655820][ T6817] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.660665][ T6817] ? do_syscall_64+0x1c/0xe0 [ 58.665234][ T6817] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.671227][ T6817] do_syscall_64+0x60/0xe0 [ 58.675637][ T6817] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.681669][ T6817] RIP: 0033:0x4b02a0 [ 58.685542][ T6817] Code: Bad RIP value. [ 58.689586][ T6817] RSP: 002b:000000c0000cd4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 58.697976][ T6817] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 58.705944][ T6817] RDX: 00000000000001c0 RSI: 000000c000026540 RDI: ffffffffffffff9c [ 58.713907][ T6817] RBP: 000000c0000cd510 R08: 0000000000000000 R09: 0000000000000000 [ 58.721869][ T6817] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 58.729889][ T6817] R13: 000000000000002b R14: 000000000000002a R15: 0000000000000100 [ 58.769765][ T6821] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6821 [ 58.779515][ T6821] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.785538][ T6821] CPU: 0 PID: 6821 Comm: syz-executor.0 Not tainted 5.7.0-next-20200608-syzkaller #0 [ 58.795080][ T6821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.805143][ T6821] Call Trace: [ 58.808460][ T6821] dump_stack+0x18f/0x20d [ 58.812805][ T6821] check_preemption_disabled+0x20d/0x220 [ 58.818447][ T6821] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.823664][ T6821] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.829211][ T6821] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.834940][ T6821] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.840436][ T6821] ? ext4_ext_release+0x10/0x10 [ 58.845299][ T6821] ? down_write_killable+0x170/0x170 [ 58.850565][ T6821] ? ext4_es_lookup_extent+0x41d/0xd10 [ 58.856024][ T6821] ext4_map_blocks+0x4cb/0x1640 [ 58.860879][ T6821] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.866076][ T6821] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.871601][ T6821] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.877576][ T6821] ? prandom_u32_state+0xe/0x170 [ 58.882508][ T6821] ? __brelse+0x84/0xa0 [ 58.886643][ T6821] ? __ext4_new_inode+0x144/0x55e0 [ 58.892534][ T6821] ext4_getblk+0xad/0x520 [ 58.896845][ T6821] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.902561][ T6821] ? ext4_free_inode+0x1700/0x1700 [ 58.907658][ T6821] ext4_bread+0x7c/0x380 [ 58.911989][ T6821] ? ext4_getblk+0x520/0x520 [ 58.916557][ T6821] ? dquot_get_next_dqblk+0x180/0x180 [ 58.921996][ T6821] ext4_append+0x153/0x360 [ 58.926395][ T6821] ext4_mkdir+0x5e0/0xdf0 [ 58.930716][ T6821] ? ext4_rmdir+0xde0/0xde0 [ 58.935219][ T6821] ? security_inode_permission+0xc4/0xf0 [ 58.940854][ T6821] vfs_mkdir+0x419/0x690 [ 58.945105][ T6821] do_mkdirat+0x21e/0x280 [ 58.949420][ T6821] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.954258][ T6821] ? do_syscall_64+0x1c/0xe0 [ 58.958849][ T6821] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.964816][ T6821] do_syscall_64+0x60/0xe0 [ 58.969227][ T6821] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.975114][ T6821] RIP: 0033:0x45bee7 [ 58.978981][ T6821] Code: Bad RIP value. [ 58.983039][ T6821] RSP: 002b:00007ffd240b8d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 58.991426][ T6821] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 58.999690][ T6821] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 00007ffd240b8f00 [ 59.007664][ T6821] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000002e00 [ 59.015628][ T6821] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 59.024379][ T6821] R13: 00007ffd240b8f00 R14: 8421084210842109 R15: 00007ffd240b8f0c [ 59.110949][ T6823] IPVS: ftp: loaded support on port[0] = 21 [ 59.149244][ T6823] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6823 [ 59.158829][ T6823] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.164979][ T6823] CPU: 1 PID: 6823 Comm: syz-executor.0 Not tainted 5.7.0-next-20200608-syzkaller #0 [ 59.174424][ T6823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.184482][ T6823] Call Trace: [ 59.187759][ T6823] dump_stack+0x18f/0x20d [ 59.192076][ T6823] check_preemption_disabled+0x20d/0x220 [ 59.197704][ T6823] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.202822][ T6823] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.208259][ T6823] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.213958][ T6823] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.219240][ T6823] ? ext4_ext_release+0x10/0x10 [ 59.224080][ T6823] ? down_write_killable+0x170/0x170 [ 59.229342][ T6823] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.234786][ T6823] ext4_map_blocks+0x4cb/0x1640 [ 59.239619][ T6823] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.244837][ T6823] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.250362][ T6823] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.256493][ T6823] ? prandom_u32_state+0xe/0x170 [ 59.261410][ T6823] ? __brelse+0x84/0xa0 [ 59.265561][ T6823] ? __ext4_new_inode+0x144/0x55e0 [ 59.270648][ T6823] ext4_getblk+0xad/0x520 [ 59.275043][ T6823] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.280743][ T6823] ? ext4_free_inode+0x1700/0x1700 [ 59.285832][ T6823] ext4_bread+0x7c/0x380 [ 59.290144][ T6823] ? ext4_getblk+0x520/0x520 [ 59.294717][ T6823] ? dquot_get_next_dqblk+0x180/0x180 [ 59.300127][ T6823] ext4_append+0x153/0x360 [ 59.304554][ T6823] ext4_mkdir+0x5e0/0xdf0 [ 59.308875][ T6823] ? ext4_rmdir+0xde0/0xde0 [ 59.313364][ T6823] ? security_inode_permission+0xc4/0xf0 [ 59.318985][ T6823] vfs_mkdir+0x419/0x690 [ 59.323208][ T6823] do_mkdirat+0x21e/0x280 [ 59.327606][ T6823] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.332436][ T6823] ? do_syscall_64+0x1c/0xe0 [ 59.337626][ T6823] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.343584][ T6823] do_syscall_64+0x60/0xe0 [ 59.347980][ T6823] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.353862][ T6823] RIP: 0033:0x45bee7 [ 59.357731][ T6823] Code: Bad RIP value. [ 59.361784][ T6823] RSP: 002b:00007ffd240b8c18 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 59.370186][ T6823] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 59.378142][ T6823] RDX: 00007ffd240b8c63 RSI: 00000000000001ff RDI: 00007ffd240b8c60 [ 59.386109][ T6823] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 59.394076][ T6823] R10: 0000000000000064 R11: 0000000000000206 R12: 00000000004185d0 [ 59.402055][ T6823] R13: 00007ffd240b8c50 R14: 0000000000000000 R15: 00007ffd240b8c60 [ 59.451054][ T6823] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6823 [ 59.460729][ T6823] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.466803][ T6823] CPU: 0 PID: 6823 Comm: syz-executor.0 Not tainted 5.7.0-next-20200608-syzkaller #0 [ 59.477036][ T6823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.487091][ T6823] Call Trace: [ 59.490405][ T6823] dump_stack+0x18f/0x20d [ 59.494752][ T6823] check_preemption_disabled+0x20d/0x220 [ 59.500408][ T6823] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.505540][ T6823] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.511019][ T6823] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.516759][ T6823] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.522063][ T6823] ? ext4_ext_release+0x10/0x10 [ 59.527042][ T6823] ? down_write_killable+0x170/0x170 [ 59.532335][ T6823] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.537800][ T6823] ext4_map_blocks+0x4cb/0x1640 [ 59.542639][ T6823] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.547864][ T6823] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.554374][ T6823] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.560356][ T6823] ? prandom_u32_state+0xe/0x170 [ 59.565295][ T6823] ? __brelse+0x84/0xa0 [ 59.569473][ T6823] ? __ext4_new_inode+0x144/0x55e0 [ 59.574623][ T6823] ext4_getblk+0xad/0x520 [ 59.579104][ T6823] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.584820][ T6823] ? ext4_free_inode+0x1700/0x1700 [ 59.589913][ T6823] ext4_bread+0x7c/0x380 [ 59.594153][ T6823] ? ext4_getblk+0x520/0x520 [ 59.598739][ T6823] ? dquot_get_next_dqblk+0x180/0x180 [ 59.604439][ T6823] ext4_append+0x153/0x360 [ 59.609029][ T6823] ext4_mkdir+0x5e0/0xdf0 [ 59.613483][ T6823] ? ext4_rmdir+0xde0/0xde0 [ 59.618152][ T6823] ? security_inode_permission+0xc4/0xf0 [ 59.624119][ T6823] vfs_mkdir+0x419/0x690 [ 59.628352][ T6823] do_mkdirat+0x21e/0x280 [ 59.632675][ T6823] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.637518][ T6823] ? do_syscall_64+0x1c/0xe0 [ 59.642200][ T6823] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.648167][ T6823] do_syscall_64+0x60/0xe0 [ 59.652566][ T6823] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.658442][ T6823] RIP: 0033:0x45bee7 [ 59.662329][ T6823] Code: Bad RIP value. [ 59.666379][ T6823] RSP: 002b:00007ffd240b8c18 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 59.674772][ T6823] RAX: ffffffffffffffda RBX: 000000000000e82a RCX: 000000000045bee7 [ 59.682739][ T6823] RDX: 00007ffd240b8c63 RSI: 00000000000001ff RDI: 00007ffd240b8c60 [ 59.690722][ T6823] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 2020/06/09 02:11:58 building call list... [ 59.698683][ T6823] R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000003 [ 59.706741][ T6823] R13: 00007ffd240b8c50 R14: 000000000000e827 R15: 00007ffd240b8c60 [ 59.964642][ T21] tipc: TX() has been purged, node left! executing program [ 61.388272][ T6807] can: request_module (can-proto-0) failed. [ 61.609931][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 61.619544][ T1155] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.625576][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-next-20200608-syzkaller #0 [ 61.634721][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.644942][ T1155] Call Trace: [ 61.648223][ T1155] dump_stack+0x18f/0x20d [ 61.652758][ T1155] check_preemption_disabled+0x20d/0x220 [ 61.658533][ T1155] ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.664071][ T1155] ? ext4_find_extent+0x81a/0xad0 [ 61.669107][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.674797][ T1155] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 61.680835][ T1155] ext4_ext_map_blocks+0x201b/0x33e0 [ 61.686310][ T1155] ? ext4_ext_release+0x10/0x10 [ 61.691163][ T1155] ? down_write_killable+0x170/0x170 [ 61.696706][ T1155] ? ext4_es_lookup_extent+0x41d/0xd10 [ 61.702219][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 61.707066][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.712263][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.717934][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.723993][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 61.729740][ T1155] ext4_writepages+0x1a83/0x33c0 [ 61.735161][ T1155] ? __ext4_mark_inode_dirty+0x940/0x940 [ 61.741179][ T1155] ? __lock_acquire+0x2224/0x48b0 [ 61.746475][ T1155] ? __ext4_mark_inode_dirty+0x940/0x940 [ 61.752327][ T1155] ? do_writepages+0xf3/0x2a0 [ 61.757520][ T1155] do_writepages+0xf3/0x2a0 [ 61.762384][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 61.768279][ T1155] ? do_raw_spin_lock+0x120/0x2d0 [ 61.773406][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 61.778601][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 61.783448][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 61.789273][ T1155] ? collapse_file+0x35a2/0x4330 [ 61.794208][ T1155] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 61.800281][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 61.805592][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.811599][ T1155] collapse_file+0x35ac/0x4330 [ 61.816366][ T1155] ? collapse_huge_page+0x4350/0x4350 [ 61.821840][ T1155] ? khugepaged+0x2506/0x3fc0 [ 61.826735][ T1155] ? xas_find+0x31a/0x880 [ 61.831184][ T1155] ? check_preemption_disabled+0x38/0x220 [ 61.836911][ T1155] khugepaged+0x3041/0x3fc0 [ 61.842670][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.848347][ T1155] ? lock_downgrade+0x840/0x840 [ 61.853189][ T1155] ? finish_wait+0x260/0x260 [ 61.857901][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 61.863797][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.869855][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 61.875322][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.881084][ T1155] kthread+0x3b5/0x4a0 [ 61.885397][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.891222][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.897136][ T1155] ret_from_fork+0x1f/0x30 [ 61.961168][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 61.970748][ T1155] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.977147][ T1155] CPU: 1 PID: 1155 Comm: khugepaged Not tainted 5.7.0-next-20200608-syzkaller #0 [ 61.986615][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.997077][ T1155] Call Trace: [ 62.000407][ T1155] dump_stack+0x18f/0x20d [ 62.004866][ T1155] check_preemption_disabled+0x20d/0x220 [ 62.010608][ T1155] ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.015896][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.021440][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 62.028505][ T1155] ext4_ext_map_blocks+0x201b/0x33e0 [ 62.034463][ T1155] ? ext4_ext_release+0x10/0x10 [ 62.039707][ T1155] ? down_write_killable+0x170/0x170 [ 62.045192][ T1155] ? ext4_es_lookup_extent+0x41d/0xd10 [ 62.050650][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 62.055775][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.061346][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.067567][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.074511][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 62.079994][ T1155] ext4_writepages+0x1a83/0x33c0 [ 62.085118][ T1155] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.090882][ T1155] ? __lock_acquire+0x2224/0x48b0 [ 62.096106][ T1155] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.102172][ T1155] ? do_writepages+0xf3/0x2a0 [ 62.106881][ T1155] do_writepages+0xf3/0x2a0 [ 62.111387][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 62.117328][ T1155] ? do_raw_spin_lock+0x120/0x2d0 [ 62.122432][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 62.127719][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 62.132570][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 62.138427][ T1155] ? collapse_file+0x35a2/0x4330 [ 62.143415][ T1155] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 62.149687][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 62.155347][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.162178][ T1155] collapse_file+0x35ac/0x4330 [ 62.167486][ T1155] ? collapse_huge_page+0x4350/0x4350 [ 62.172895][ T1155] ? khugepaged+0x2506/0x3fc0 [ 62.177580][ T1155] ? xas_find+0x31a/0x880 [ 62.182065][ T1155] ? check_preemption_disabled+0x38/0x220 [ 62.187788][ T1155] khugepaged+0x3041/0x3fc0 [ 62.192649][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.198778][ T1155] ? lock_downgrade+0x840/0x840 [ 62.203658][ T1155] ? finish_wait+0x260/0x260 [ 62.208365][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 62.214165][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.220190][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 62.225994][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.231749][ T1155] kthread+0x3b5/0x4a0 [ 62.235813][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.241661][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.247386][ T1155] ret_from_fork+0x1f/0x30 [ 62.295905][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 62.305466][ T1155] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.311993][ T1155] CPU: 1 PID: 1155 Comm: khugepaged Not tainted 5.7.0-next-20200608-syzkaller #0 [ 62.321100][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.331159][ T1155] Call Trace: [ 62.334546][ T1155] dump_stack+0x18f/0x20d [ 62.339366][ T1155] check_preemption_disabled+0x20d/0x220 [ 62.345185][ T1155] ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.350454][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.355965][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 62.362140][ T1155] ext4_ext_map_blocks+0x201b/0x33e0 [ 62.367886][ T1155] ? ext4_ext_release+0x10/0x10 [ 62.372965][ T1155] ? down_write_killable+0x170/0x170 [ 62.378422][ T1155] ? ext4_es_lookup_extent+0x41d/0xd10 [ 62.383995][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 62.389081][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.394411][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.400046][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.406055][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 62.411508][ T1155] ext4_writepages+0x1a83/0x33c0 [ 62.416540][ T1155] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.422168][ T1155] ? __lock_acquire+0x2224/0x48b0 [ 62.427266][ T1155] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.433337][ T1155] ? do_writepages+0xf3/0x2a0 [ 62.438062][ T1155] do_writepages+0xf3/0x2a0 [ 62.442685][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 62.448330][ T1155] ? do_raw_spin_lock+0x120/0x2d0 [ 62.453717][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 62.459233][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 62.464144][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 62.469868][ T1155] ? collapse_file+0x35a2/0x4330 [ 62.474899][ T1155] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 62.481281][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 62.486596][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.492591][ T1155] collapse_file+0x35ac/0x4330 [ 62.497535][ T1155] ? collapse_huge_page+0x4350/0x4350 [ 62.503369][ T1155] ? khugepaged+0x2506/0x3fc0 [ 62.508307][ T1155] ? xas_find+0x31a/0x880 [ 62.512989][ T1155] ? check_preemption_disabled+0x38/0x220 [ 62.518777][ T1155] khugepaged+0x3041/0x3fc0 [ 62.523297][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.528980][ T1155] ? lock_downgrade+0x840/0x840 [ 62.533826][ T1155] ? finish_wait+0x260/0x260 [ 62.538406][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 62.545959][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.551975][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 62.557010][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.562642][ T1155] kthread+0x3b5/0x4a0 [ 62.566708][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.572828][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.578677][ T1155] ret_from_fork+0x1f/0x30 [ 62.781534][ T6807] can: request_module (can-proto-0) failed. [ 62.794380][ T6807] can: request_module (can-proto-0) failed.