[ OK ] Started Update UTMP about System Runlevel Ch[ 53.376553][ T6849] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6849 anges. [ 53.387366][ T6849] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 53.393739][ T6849] CPU: 0 PID: 6849 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 53.401949][ T6849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.412176][ T6849] Call Trace: [ 53.415454][ T6849] dump_stack+0x188/0x20d [ 53.419766][ T6849] debug_smp_processor_id.cold+0x88/0x9b [ 53.425376][ T6849] ext4_mb_new_blocks+0xa77/0x3b30 [ 53.430485][ T6849] ? ext4_ext_search_right+0x2ca/0xb20 [ 53.435920][ T6849] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 53.441617][ T6849] ext4_ext_map_blocks+0x2044/0x3410 [ 53.446885][ T6849] ? ext4_ext_release+0x10/0x10 [ 53.451733][ T6849] ? __down_timeout+0x2d0/0x2d0 [ 53.456559][ T6849] ? ext4_es_lookup_extent+0x41d/0xd30 [ 53.461995][ T6849] ext4_map_blocks+0x4cb/0x1640 [ 53.466827][ T6849] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 53.471999][ T6849] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 53.477540][ T6849] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 53.483516][ T6849] ? prandom_u32_state+0xe/0x170 [ 53.488448][ T6849] ? __brelse+0x84/0xa0 [ 53.492583][ T6849] ? __ext4_new_inode+0x144/0x57c0 [ 53.497676][ T6849] ext4_getblk+0xad/0x520 [ 53.502002][ T6849] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 53.507702][ T6849] ? ext4_free_inode+0x17e0/0x17e0 [ 53.512807][ T6849] ext4_bread+0x7c/0x380 [ 53.517027][ T6849] ? ext4_getblk+0x520/0x520 [ 53.521625][ T6849] ? dqget+0xff0/0xff0 [ 53.525685][ T6849] ext4_append+0x153/0x360 [ 53.530096][ T6849] ext4_mkdir+0x5e0/0xdf0 [ 53.534412][ T6849] ? ext4_rmdir+0xde0/0xde0 [ 53.538900][ T6849] ? security_inode_permission+0xc4/0xf0 [ 53.544512][ T6849] vfs_mkdir+0x419/0x690 [ 53.548744][ T6849] do_mkdirat+0x21e/0x280 [ 53.553066][ T6849] ? __ia32_sys_mknod+0xb0/0xb0 [ 53.557901][ T6849] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 53.564570][ T6849] ? do_syscall_64+0x21/0x7d0 [ 53.569747][ T6849] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 53.576086][ T6849] do_syscall_64+0xf6/0x7d0 [ 53.580570][ T6849] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 53.586633][ T6849] RIP: 0033:0x7f51a75d7687 [ 53.591040][ T6849] Code: 00 b8 ff ff ff ff c3 0f 1f 40 00 48 8b 05 09 d8 2b 00 64 c7 00 5f 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 d7 2b 00 f7 d8 64 89 01 48 [ 53.610910][ T6849] RSP: 002b:00007ffc3fc4c668 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 53.619497][ T6849] RAX: ffffffffffffffda RBX: 0000564dc39df985 RCX: 00007f51a75d7687 [ 53.627459][ T6849] RDX: 00007ffc3fc4c530 RSI: 00000000000001ed RDI: 0000564dc39df985 [ 53.635492][ T6849] RBP: 00007f51a75d7680 R08: 0000000000000100 R09: 0000000000000000 [ 53.643526][ T6849] R10: 0000564dc39df980 R11: 0000000000000246 R12: 00000000000001ed [ 53.651474][ T6849] R13: 00007ffc3fc4c7f0 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 56.445067][ T146] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:4/146 [ 56.454308][ T146] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 56.460589][ T146] CPU: 1 PID: 146 Comm: kworker/u4:4 Not tainted 5.7.0-syzkaller #0 [ 56.468697][ T146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.479387][ T146] Workqueue: writeback wb_workfn (flush-8:0) [ 56.485366][ T146] Call Trace: [ 56.488744][ T146] dump_stack+0x188/0x20d [ 56.493331][ T146] debug_smp_processor_id.cold+0x88/0x9b [ 56.499412][ T146] ext4_mb_new_blocks+0xa77/0x3b30 [ 56.504518][ T146] ? __kmalloc+0x62f/0x7a0 [ 56.508953][ T146] ? ext4_ext_search_right+0x2ca/0xb20 [ 56.514435][ T146] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 56.520768][ T146] ext4_ext_map_blocks+0x2044/0x3410 [ 56.526140][ T146] ? ext4_ext_release+0x10/0x10 [ 56.531254][ T146] ? __down_timeout+0x2d0/0x2d0 [ 56.536087][ T146] ? ext4_es_lookup_extent+0x41d/0xd30 [ 56.542165][ T146] ? debug_smp_processor_id+0x2f/0x185 [ 56.547618][ T146] ext4_map_blocks+0x4cb/0x1640 [ 56.553495][ T146] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 56.559132][ T146] ? debug_smp_processor_id+0x2f/0x185 [ 56.565119][ T146] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.571946][ T146] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.577925][ T146] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 56.583455][ T146] ext4_writepages+0x1ab7/0x3400 [ 56.588407][ T146] ? __ext4_mark_inode_dirty+0x950/0x950 [ 56.594125][ T146] ? __lock_acquire+0x2224/0x48a0 [ 56.599157][ T146] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.605120][ T146] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.611193][ T146] ? __ext4_mark_inode_dirty+0x950/0x950 [ 56.616803][ T146] ? do_writepages+0xfa/0x2a0 [ 56.621471][ T146] do_writepages+0xfa/0x2a0 [ 56.625962][ T146] ? page_writeback_cpu_online+0x10/0x10 [ 56.631596][ T146] ? debug_smp_processor_id+0x2f/0x185 [ 56.637052][ T146] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.642592][ T146] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.648570][ T146] ? lock_downgrade+0x840/0x840 [ 56.653504][ T146] __writeback_single_inode+0x12a/0x1410 [ 56.659224][ T146] ? _raw_spin_unlock+0x24/0x40 [ 56.664142][ T146] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 56.670206][ T146] writeback_sb_inodes+0x515/0xdd0 [ 56.675340][ T146] ? __writeback_single_inode+0x1410/0x1410 [ 56.681253][ T146] __writeback_inodes_wb+0xc3/0x250 [ 56.686451][ T146] wb_writeback+0x910/0xd90 [ 56.690966][ T146] ? print_usage_bug+0x240/0x240 [ 56.695911][ T146] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 56.702250][ T146] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 56.708158][ T146] ? cpumask_next+0x3c/0x40 [ 56.712646][ T146] ? get_nr_dirty_inodes+0xd6/0x130 [ 56.717845][ T146] wb_workfn+0xadf/0x10d0 [ 56.722349][ T146] ? inode_wait_for_writeback+0x30/0x30 [ 56.728066][ T146] ? debug_smp_processor_id+0x2f/0x185 [ 56.733513][ T146] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.739062][ T146] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.745046][ T146] process_one_work+0x965/0x16a0 [ 56.749994][ T146] ? lock_release+0x800/0x800 [ 56.755030][ T146] ? pwq_dec_nr_in_flight+0x310/0x310 [ 56.760582][ T146] ? rwlock_bug.part.0+0x90/0x90 [ 56.765608][ T146] worker_thread+0x96/0xe10 [ 56.770221][ T146] ? process_one_work+0x16a0/0x16a0 [ 56.775418][ T146] kthread+0x388/0x470 [ 56.779485][ T146] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.785445][ T146] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.791894][ T146] ret_from_fork+0x24/0x30 Warning: Permanently added '10.128.1.53' (ECDSA) to the list of known hosts. 2020/06/13 06:38:09 fuzzer started 2020/06/13 06:38:09 connecting to host at 10.128.0.26:45045 2020/06/13 06:38:09 checking machine... 2020/06/13 06:38:09 checking revisions... 2020/06/13 06:38:09 testing simple program... [ 59.128912][ T6914] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6914 [ 59.138107][ T6914] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.144063][ T6914] CPU: 1 PID: 6914 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 59.151968][ T6914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.162019][ T6914] Call Trace: [ 59.165397][ T6914] dump_stack+0x188/0x20d [ 59.169994][ T6914] debug_smp_processor_id.cold+0x88/0x9b [ 59.175609][ T6914] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.180709][ T6914] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.186152][ T6914] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.192002][ T6914] ext4_ext_map_blocks+0x2044/0x3410 [ 59.197270][ T6914] ? ext4_ext_release+0x10/0x10 [ 59.202468][ T6914] ? __down_timeout+0x2d0/0x2d0 [ 59.207556][ T6914] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.213012][ T6914] ext4_map_blocks+0x4cb/0x1640 [ 59.217855][ T6914] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.223143][ T6914] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.229317][ T6914] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.235499][ T6914] ? prandom_u32_state+0xe/0x170 [ 59.240432][ T6914] ? __brelse+0x84/0xa0 [ 59.244569][ T6914] ? __ext4_new_inode+0x144/0x57c0 [ 59.249688][ T6914] ext4_getblk+0xad/0x520 [ 59.254006][ T6914] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.259710][ T6914] ? ext4_free_inode+0x17e0/0x17e0 [ 59.264825][ T6914] ext4_bread+0x7c/0x380 [ 59.269068][ T6914] ? ext4_getblk+0x520/0x520 [ 59.273742][ T6914] ? dqget+0xff0/0xff0 [ 59.277796][ T6914] ext4_append+0x153/0x360 [ 59.282299][ T6914] ext4_mkdir+0x5e0/0xdf0 [ 59.286644][ T6914] ? ext4_rmdir+0xde0/0xde0 [ 59.291153][ T6914] ? security_inode_permission+0xc4/0xf0 [ 59.296794][ T6914] vfs_mkdir+0x419/0x690 [ 59.301028][ T6914] do_mkdirat+0x21e/0x280 [ 59.305339][ T6914] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.310178][ T6914] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.316311][ T6914] ? do_syscall_64+0x21/0x7d0 [ 59.320979][ T6914] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.327035][ T6914] do_syscall_64+0xf6/0x7d0 [ 59.331749][ T6914] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.337644][ T6914] RIP: 0033:0x4b02a0 [ 59.341882][ T6914] Code: 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 49 c7 c2 00 00 00 00 49 c7 c0 00 00 00 00 49 c7 c1 00 00 00 00 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30 [ 59.363940][ T6914] RSP: 002b:000000c00004f4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 59.372330][ T6914] RAX: ffffffffffffffda RBX: 000000c00002c000 RCX: 00000000004b02a0 [ 59.380418][ T6914] RDX: 00000000000001c0 RSI: 000000c0003388a0 RDI: ffffffffffffff9c [ 59.388388][ T6914] RBP: 000000c00004f510 R08: 0000000000000000 R09: 0000000000000000 [ 59.398816][ T6914] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 59.406782][ T6914] R13: 0000000000000046 R14: 0000000000000045 R15: 0000000000000100 [ 59.434395][ T6924] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6924 [ 59.444717][ T6924] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.450610][ T6924] CPU: 0 PID: 6924 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.458837][ T6924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.469278][ T6924] Call Trace: [ 59.473673][ T6924] dump_stack+0x188/0x20d [ 59.478121][ T6924] debug_smp_processor_id.cold+0x88/0x9b [ 59.483740][ T6924] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.489056][ T6924] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.496170][ T6924] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.502051][ T6924] ext4_ext_map_blocks+0x2044/0x3410 [ 59.507341][ T6924] ? ext4_ext_release+0x10/0x10 [ 59.512207][ T6924] ? __down_timeout+0x2d0/0x2d0 [ 59.517051][ T6924] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.522498][ T6924] ext4_map_blocks+0x4cb/0x1640 [ 59.527346][ T6924] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.532524][ T6924] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.538047][ T6924] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.544005][ T6924] ? prandom_u32_state+0xe/0x170 [ 59.548920][ T6924] ? __brelse+0x84/0xa0 [ 59.553397][ T6924] ? __ext4_new_inode+0x144/0x57c0 [ 59.558498][ T6924] ext4_getblk+0xad/0x520 [ 59.562817][ T6924] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.568603][ T6924] ? ext4_free_inode+0x17e0/0x17e0 [ 59.573703][ T6924] ext4_bread+0x7c/0x380 [ 59.577955][ T6924] ? ext4_getblk+0x520/0x520 [ 59.582543][ T6924] ? dqget+0xff0/0xff0 [ 59.586592][ T6924] ext4_append+0x153/0x360 [ 59.590990][ T6924] ext4_mkdir+0x5e0/0xdf0 [ 59.595299][ T6924] ? ext4_rmdir+0xde0/0xde0 [ 59.599782][ T6924] ? security_inode_permission+0xc4/0xf0 [ 59.605396][ T6924] vfs_mkdir+0x419/0x690 [ 59.609726][ T6924] do_mkdirat+0x21e/0x280 [ 59.614207][ T6924] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.619043][ T6924] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.625008][ T6924] ? do_syscall_64+0x21/0x7d0 [ 59.629661][ T6924] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.635616][ T6924] do_syscall_64+0xf6/0x7d0 [ 59.640108][ T6924] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.645974][ T6924] RIP: 0033:0x45bee7 [ 59.649952][ T6924] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.669981][ T6924] RSP: 002b:00007ffda03006f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 59.678369][ T6924] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 59.686342][ T6924] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007ffda03008d0 [ 59.694310][ T6924] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000003740 [ 59.702269][ T6924] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 59.710652][ T6924] R13: 00007ffda03008d0 R14: 8421084210842109 R15: 00007ffda03008dc [ 59.791872][ T6925] IPVS: ftp: loaded support on port[0] = 21 [ 59.828900][ T6925] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6925 [ 59.838466][ T6925] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.844454][ T6925] CPU: 1 PID: 6925 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.852681][ T6925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.862802][ T6925] Call Trace: [ 59.866088][ T6925] dump_stack+0x188/0x20d [ 59.872395][ T6925] debug_smp_processor_id.cold+0x88/0x9b [ 59.878012][ T6925] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.883121][ T6925] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.888570][ T6925] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.894269][ T6925] ext4_ext_map_blocks+0x2044/0x3410 [ 59.899533][ T6925] ? ext4_ext_release+0x10/0x10 [ 59.904401][ T6925] ? __down_timeout+0x2d0/0x2d0 [ 59.909246][ T6925] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.914773][ T6925] ext4_map_blocks+0x4cb/0x1640 [ 59.919604][ T6925] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.924779][ T6925] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.930302][ T6925] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.936258][ T6925] ? prandom_u32_state+0xe/0x170 [ 59.941170][ T6925] ? __brelse+0x84/0xa0 [ 59.945316][ T6925] ? __ext4_new_inode+0x144/0x57c0 [ 59.950405][ T6925] ext4_getblk+0xad/0x520 [ 59.954718][ T6925] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.960429][ T6925] ? ext4_free_inode+0x17e0/0x17e0 [ 59.965531][ T6925] ext4_bread+0x7c/0x380 [ 59.969748][ T6925] ? ext4_getblk+0x520/0x520 [ 59.974322][ T6925] ? dqget+0xff0/0xff0 [ 59.978371][ T6925] ext4_append+0x153/0x360 [ 59.982769][ T6925] ext4_mkdir+0x5e0/0xdf0 [ 59.987098][ T6925] ? ext4_rmdir+0xde0/0xde0 [ 59.991580][ T6925] ? security_inode_permission+0xc4/0xf0 [ 59.997192][ T6925] vfs_mkdir+0x419/0x690 [ 60.001416][ T6925] do_mkdirat+0x21e/0x280 [ 60.005733][ T6925] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.010569][ T6925] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.016539][ T6925] ? do_syscall_64+0x21/0x7d0 [ 60.021212][ T6925] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.027176][ T6925] do_syscall_64+0xf6/0x7d0 [ 60.031661][ T6925] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 60.037661][ T6925] RIP: 0033:0x45bee7 [ 60.041542][ T6925] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 60.061241][ T6925] RSP: 002b:00007ffda03005e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 60.069774][ T6925] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 60.077737][ T6925] RDX: 00007ffda0300633 RSI: 00000000000001ff RDI: 00007ffda0300630 [ 60.085814][ T6925] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 60.093766][ T6925] R10: 0000000000000064 R11: 0000000000000206 R12: 00000000004185d0 [ 60.101731][ T6925] R13: 00007ffda0300620 R14: 0000000000000000 R15: 00007ffda0300630 [ 60.152604][ T6925] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6925 [ 60.162227][ T6925] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 60.168204][ T6925] CPU: 0 PID: 6925 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 60.176437][ T6925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.186487][ T6925] Call Trace: [ 60.189780][ T6925] dump_stack+0x188/0x20d [ 60.194119][ T6925] debug_smp_processor_id.cold+0x88/0x9b [ 60.199753][ T6925] ext4_mb_new_blocks+0xa77/0x3b30 [ 60.204878][ T6925] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.210330][ T6925] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.216035][ T6925] ext4_ext_map_blocks+0x2044/0x3410 [ 60.221397][ T6925] ? ext4_ext_release+0x10/0x10 [ 60.226246][ T6925] ? __down_timeout+0x2d0/0x2d0 [ 60.231083][ T6925] ? ext4_es_lookup_extent+0x41d/0xd30 [ 60.236538][ T6925] ext4_map_blocks+0x4cb/0x1640 [ 60.241376][ T6925] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.246553][ T6925] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.252074][ T6925] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.258039][ T6925] ? prandom_u32_state+0xe/0x170 [ 60.262962][ T6925] ? __brelse+0x84/0xa0 [ 60.267102][ T6925] ? __ext4_new_inode+0x144/0x57c0 [ 60.272190][ T6925] ext4_getblk+0xad/0x520 [ 60.276496][ T6925] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.282192][ T6925] ? ext4_free_inode+0x17e0/0x17e0 [ 60.287292][ T6925] ext4_bread+0x7c/0x380 [ 60.291520][ T6925] ? ext4_getblk+0x520/0x520 [ 60.296096][ T6925] ? dqget+0xff0/0xff0 [ 60.300145][ T6925] ext4_append+0x153/0x360 [ 60.304541][ T6925] ext4_mkdir+0x5e0/0xdf0 [ 60.308861][ T6925] ? ext4_rmdir+0xde0/0xde0 [ 60.313353][ T6925] ? security_inode_permission+0xc4/0xf0 [ 60.318965][ T6925] vfs_mkdir+0x419/0x690 [ 60.323290][ T6925] do_mkdirat+0x21e/0x280 [ 60.327596][ T6925] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.332419][ T6925] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.338463][ T6925] ? do_syscall_64+0x21/0x7d0 [ 60.343113][ T6925] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.349082][ T6925] do_syscall_64+0xf6/0x7d0 [ 60.353588][ T6925] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 60.359560][ T6925] RIP: 0033:0x45bee7 [ 60.363432][ T6925] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 60.385093][ T6925] RSP: 002b:00007ffda03005e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 60.393478][ T6925] RAX: ffffffffffffffda RBX: 000000000000eaf4 RCX: 000000000045bee7 2020/06/13 06:38:10 building call list... [ 60.401427][ T6925] RDX: 00007ffda0300633 RSI: 00000000000001ff RDI: 00007ffda0300630 [ 60.409384][ T6925] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 60.417330][ T6925] R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000003 [ 60.425275][ T6925] R13: 00007ffda0300620 R14: 000000000000eaec R15: 00007ffda0300630 [ 60.733577][ T146] tipc: TX() has been purged, node left! executing program [ 62.181492][ T6909] can: request_module (can-proto-0) failed. [ 62.719802][ T6909] can: request_module (can-proto-0) failed. [ 62.731429][ T6909] can: request_module (can-proto-0) failed. [ 62.769246][ T1158] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1158 [ 62.778748][ T1158] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 62.784786][ T1158] CPU: 1 PID: 1158 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 62.792677][ T1158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.802728][ T1158] Call Trace: [ 62.806024][ T1158] dump_stack+0x188/0x20d [ 62.810375][ T1158] debug_smp_processor_id.cold+0x88/0x9b [ 62.816011][ T1158] ext4_mb_new_blocks+0xa77/0x3b30 [ 62.821128][ T1158] ? __kmalloc+0x62f/0x7a0 [ 62.825563][ T1158] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.831114][ T1158] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 62.836850][ T1158] ext4_ext_map_blocks+0x2044/0x3410 [ 62.842151][ T1158] ? ext4_ext_release+0x10/0x10 [ 62.847027][ T1158] ? __down_timeout+0x2d0/0x2d0 [ 62.851895][ T1158] ? ext4_es_lookup_extent+0x41d/0xd30 [ 62.857369][ T1158] ext4_map_blocks+0x4cb/0x1640 [ 62.862246][ T1158] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.867475][ T1158] ? debug_smp_processor_id+0x2f/0x185 [ 62.872963][ T1158] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.878521][ T1158] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.884539][ T1158] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 62.890008][ T1158] ext4_writepages+0x1ab7/0x3400 [ 62.895071][ T1158] ? mark_lock+0x30/0xdd0 [ 62.899422][ T1158] ? __ext4_mark_inode_dirty+0x950/0x950 [ 62.905097][ T1158] ? __ext4_mark_inode_dirty+0x950/0x950 [ 62.911801][ T1158] ? do_writepages+0xfa/0x2a0 [ 62.916491][ T1158] do_writepages+0xfa/0x2a0 [ 62.921011][ T1158] ? page_writeback_cpu_online+0x10/0x10 [ 62.926663][ T1158] ? do_raw_spin_lock+0x129/0x2e0 [ 62.931691][ T1158] ? do_raw_spin_unlock+0x171/0x260 [ 62.936895][ T1158] ? _raw_spin_unlock+0x24/0x40 [ 62.941755][ T1158] __filemap_fdatawrite_range+0x2aa/0x390 [ 62.947477][ T1158] ? collapse_file+0x3575/0x4300 [ 62.952418][ T1158] ? delete_from_page_cache_batch+0xec0/0xec0 [ 62.958496][ T1158] ? _raw_spin_unlock_irq+0x1f/0x80 [ 62.963697][ T1158] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.969685][ T1158] collapse_file+0x357f/0x4300 [ 62.974467][ T1158] ? collapse_huge_page+0x4370/0x4370 [ 62.979844][ T1158] ? khugepaged+0x24fa/0x3f80 [ 62.984543][ T1158] khugepaged+0x3049/0x3f80 [ 62.989082][ T1158] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.994721][ T1158] ? lock_downgrade+0x840/0x840 [ 62.999620][ T1158] ? finish_wait+0x260/0x260 [ 63.004218][ T1158] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 63.010042][ T1158] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.016039][ T1158] ? __kthread_parkme+0x13f/0x1e0 [ 63.021078][ T1158] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.026712][ T1158] kthread+0x388/0x470 [ 63.026746][ T1158] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.026765][ T1158] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.043479][ T1158] ret_from_fork+0x24/0x30 [ 63.101990][ T1158] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1158 [ 63.111344][ T1158] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 63.117371][ T1158] CPU: 1 PID: 1158 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 63.126097][ T1158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.136232][ T1158] Call Trace: [ 63.139517][ T1158] dump_stack+0x188/0x20d [ 63.143848][ T1158] debug_smp_processor_id.cold+0x88/0x9b [ 63.149737][ T1158] ext4_mb_new_blocks+0xa77/0x3b30 [ 63.155449][ T1158] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.161396][ T1158] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 63.167617][ T1158] ext4_ext_map_blocks+0x2044/0x3410 [ 63.172886][ T1158] ? ext4_ext_release+0x10/0x10 [ 63.177956][ T1158] ? __down_timeout+0x2d0/0x2d0 [ 63.182798][ T1158] ? ext4_es_lookup_extent+0x41d/0xd30 [ 63.188254][ T1158] ext4_map_blocks+0x4cb/0x1640 [ 63.193103][ T1158] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.198277][ T1158] ? debug_smp_processor_id+0x2f/0x185 [ 63.203978][ T1158] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.209763][ T1158] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.215807][ T1158] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.221516][ T1158] ext4_writepages+0x1ab7/0x3400 [ 63.226450][ T1158] ? mark_lock+0x30/0xdd0 [ 63.231047][ T1158] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.236985][ T1158] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.242641][ T1158] ? do_writepages+0xfa/0x2a0 [ 63.247829][ T1158] do_writepages+0xfa/0x2a0 [ 63.252337][ T1158] ? page_writeback_cpu_online+0x10/0x10 [ 63.257953][ T1158] ? do_raw_spin_lock+0x129/0x2e0 [ 63.264089][ T1158] ? do_raw_spin_unlock+0x171/0x260 [ 63.269269][ T1158] ? _raw_spin_unlock+0x24/0x40 [ 63.274202][ T1158] __filemap_fdatawrite_range+0x2aa/0x390 [ 63.279924][ T1158] ? collapse_file+0x3575/0x4300 [ 63.284855][ T1158] ? delete_from_page_cache_batch+0xec0/0xec0 [ 63.290904][ T1158] ? _raw_spin_unlock_irq+0x1f/0x80 [ 63.296621][ T1158] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.302753][ T1158] collapse_file+0x357f/0x4300 [ 63.307521][ T1158] ? collapse_huge_page+0x4370/0x4370 [ 63.312994][ T1158] ? khugepaged+0x24fa/0x3f80 [ 63.317690][ T1158] khugepaged+0x3049/0x3f80 [ 63.322456][ T1158] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.328707][ T1158] ? lock_downgrade+0x840/0x840 [ 63.333646][ T1158] ? finish_wait+0x260/0x260 [ 63.338347][ T1158] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 63.344484][ T1158] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.351682][ T1158] ? __kthread_parkme+0x13f/0x1e0 [ 63.357303][ T1158] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.363226][ T1158] kthread+0x388/0x470 [ 63.367295][ T1158] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.373097][ T1158] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.379113][ T1158] ret_from_fork+0x24/0x30 [ 63.433480][ T1158] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1158 [ 63.443713][ T1158] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 63.449624][ T1158] CPU: 0 PID: 1158 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 63.458561][ T1158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.469943][ T1158] Call Trace: [ 63.473313][ T1158] dump_stack+0x188/0x20d [ 63.477725][ T1158] debug_smp_processor_id.cold+0x88/0x9b [ 63.483338][ T1158] ext4_mb_new_blocks+0xa77/0x3b30 [ 63.488508][ T1158] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.494396][ T1158] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 63.500656][ T1158] ext4_ext_map_blocks+0x2044/0x3410 [ 63.506668][ T1158] ? ext4_ext_release+0x10/0x10 [ 63.511932][ T1158] ? __down_timeout+0x2d0/0x2d0 [ 63.518162][ T1158] ? ext4_es_lookup_extent+0x41d/0xd30 [ 63.523609][ T1158] ext4_map_blocks+0x4cb/0x1640 [ 63.528902][ T1158] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.534117][ T1158] ? debug_smp_processor_id+0x2f/0x185 [ 63.541952][ T1158] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.547597][ T1158] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.554699][ T1158] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.560338][ T1158] ext4_writepages+0x1ab7/0x3400 [ 63.565626][ T1158] ? mark_lock+0x30/0xdd0 [ 63.569956][ T1158] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.576469][ T1158] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.582112][ T1158] ? do_writepages+0xfa/0x2a0 [ 63.586783][ T1158] do_writepages+0xfa/0x2a0 [ 63.591274][ T1158] ? page_writeback_cpu_online+0x10/0x10 [ 63.596903][ T1158] ? do_raw_spin_lock+0x129/0x2e0 [ 63.602009][ T1158] ? do_raw_spin_unlock+0x171/0x260 [ 63.607298][ T1158] ? _raw_spin_unlock+0x24/0x40 [ 63.612795][ T1158] __filemap_fdatawrite_range+0x2aa/0x390 [ 63.619414][ T1158] ? collapse_file+0x3575/0x4300 [ 63.624367][ T1158] ? delete_from_page_cache_batch+0xec0/0xec0 [ 63.630885][ T1158] ? _raw_spin_unlock_irq+0x1f/0x80 [ 63.636271][ T1158] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.645151][ T1158] collapse_file+0x357f/0x4300 [ 63.650844][ T1158] ? collapse_huge_page+0x4370/0x4370 [ 63.656316][ T1158] ? khugepaged+0x24fa/0x3f80 [ 63.661003][ T1158] khugepaged+0x3049/0x3f80 [ 63.666110][ T1158] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.671735][ T1158] ? lock_downgrade+0x840/0x840 [ 63.676817][ T1158] ? finish_wait+0x260/0x260 [ 63.681597][ T1158] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 63.687422][ T1158] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.693403][ T1158] ? __kthread_parkme+0x13f/0x1e0 [ 63.698850][ T1158] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.704554][ T1158] kthread+0x388/0x470 [ 63.708682][ T1158] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.714425][ T1158] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.720151][ T1158] ret_from_fork+0x24/0x30