[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
Starting Load/Save RF Kill Switch Status...
[ 54.246713][ T6728] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6728
[ 54.256165][ T6728] caller is ext4_mb_new_blocks+0xa77/0x3b30
[ 54.262058][ T6728] CPU: 0 PID: 6728 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0
[ 54.270285][ T6728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 54.280355][ T6728] Call Trace:
[ 54.283637][ T6728] dump_stack+0x188/0x20d
[ 54.287950][ T6728] debug_smp_processor_id.cold+0x88/0x9b
[ 54.293576][ T6728] ext4_mb_new_blocks+0xa77/0x3b30
[ 54.298700][ T6728] ? ext4_ext_search_right+0x2ca/0xb20
[ 54.304141][ T6728] ? ext4_inode_to_goal_block+0x2df/0x3f0
[ 54.309854][ T6728] ext4_ext_map_blocks+0x2044/0x3410
[ 54.315118][ T6728] ? ext4_ext_release+0x10/0x10
[ 54.320003][ T6728] ? __down_timeout+0x2d0/0x2d0
[ 54.324869][ T6728] ? ext4_es_lookup_extent+0x41d/0xd30
[ 54.330416][ T6728] ext4_map_blocks+0x4cb/0x1640
[ 54.335268][ T6728] ? ext4_issue_zeroout+0x1e0/0x1e0
[ 54.340449][ T6728] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 54.346008][ T6728] ? rcu_read_lock_any_held.part.0+0x50/0x50
[ 54.351980][ T6728] ? prandom_u32_state+0xe/0x170
[ 54.356909][ T6728] ? __brelse+0x84/0xa0
[ 54.361153][ T6728] ? __ext4_new_inode+0x144/0x57c0
[ 54.366267][ T6728] ext4_getblk+0xad/0x520
[ 54.370604][ T6728] ? ext4_iomap_overwrite_begin+0xa0/0xa0
[ 54.376460][ T6728] ? ext4_free_inode+0x17e0/0x17e0
[ 54.381578][ T6728] ext4_bread+0x7c/0x380
[ 54.385806][ T6728] ? ext4_getblk+0x520/0x520
[ 54.390380][ T6728] ? dqget+0xff0/0xff0
[ 54.394504][ T6728] ext4_append+0x153/0x360
[ 54.398927][ T6728] ext4_mkdir+0x5e0/0xdf0
[ 54.403258][ T6728] ? ext4_rmdir+0xde0/0xde0
[ 54.407753][ T6728] ? security_inode_permission+0xc4/0xf0
[ 54.413636][ T6728] vfs_mkdir+0x419/0x690
[ 54.417873][ T6728] do_mkdirat+0x21e/0x280
[ 54.422210][ T6728] ? __ia32_sys_mknod+0xb0/0xb0
[ 54.427043][ T6728] ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[ 54.433006][ T6728] ? do_syscall_64+0x21/0x7d0
[ 54.437695][ T6728] ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[ 54.443656][ T6728] do_syscall_64+0xf6/0x7d0
[ 54.448147][ T6728] entry_SYSCALL_64_after_hwframe+0x49/0xb3
[ 54.454015][ T6728] RIP: 0033:0x7f44c8d60687
[ 54.458411][ T6728] 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
[ 54.477991][ T6728] RSP: 002b:00007ffcd4329178 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 54.486378][ T6728] RAX: ffffffffffffffda RBX: 000055e20febe985 RCX: 00007f44c8d60687
[ 54.494345][ T6728] RDX: 00007ffcd4329040 RSI: 00000000000001ed RDI: 000055e20febe985
[ 54.502308][ T6728] RBP: 00007f44c8d60680 R08: 0000000000000100 R09: 0000000000000000
[ 54.510270][ T6728] R10: 000055e20febe980 R11: 0000000000000246 R12: 00000000000001ed
[ 54.518335][ T6728] R13: 00007ffcd4329300 R14: 0000000000000000 R15: 0000000000000000
[[0;32m OK [0m] Started Load/Save RF Kill Switch Status.
Debian GNU/Linux 9 syzkaller ttyS0
syzkaller login: [ 57.105460][ T21] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:1/21
[ 57.114519][ T21] caller is ext4_mb_new_blocks+0xa77/0x3b30
[ 57.120547][ T21] CPU: 0 PID: 21 Comm: kworker/u4:1 Not tainted 5.7.0-syzkaller #0
[ 57.128436][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 57.138499][ T21] Workqueue: writeback wb_workfn (flush-8:0)
[ 57.144455][ T21] Call Trace:
[ 57.147729][ T21] dump_stack+0x188/0x20d
[ 57.152042][ T21] debug_smp_processor_id.cold+0x88/0x9b
[ 57.157663][ T21] ext4_mb_new_blocks+0xa77/0x3b30
[ 57.162750][ T21] ? __kmalloc+0x62f/0x7a0
[ 57.167149][ T21] ? ext4_ext_search_right+0x2ca/0xb20
[ 57.172584][ T21] ? ext4_inode_to_goal_block+0x2df/0x3f0
[ 57.178528][ T21] ext4_ext_map_blocks+0x2044/0x3410
[ 57.183828][ T21] ? ext4_ext_release+0x10/0x10
[ 57.188673][ T21] ? __down_timeout+0x2d0/0x2d0
[ 57.193505][ T21] ? ext4_es_lookup_extent+0x41d/0xd30
[ 57.198965][ T21] ? debug_smp_processor_id+0x2f/0x185
[ 57.204420][ T21] ext4_map_blocks+0x4cb/0x1640
[ 57.209470][ T21] ? ext4_issue_zeroout+0x1e0/0x1e0
[ 57.214657][ T21] ? debug_smp_processor_id+0x2f/0x185
[ 57.220108][ T21] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 57.225645][ T21] ? rcu_read_lock_any_held.part.0+0x50/0x50
[ 57.231610][ T21] ? ext4_alloc_io_end_vec+0x145/0x1c0
[ 57.237053][ T21] ext4_writepages+0x1ab7/0x3400
[ 57.242210][ T21] ? __ext4_mark_inode_dirty+0x950/0x950
[ 57.247829][ T21] ? __lock_acquire+0x2224/0x48a0
[ 57.252859][ T21] ? lockdep_hardirqs_on_prepare+0x590/0x590
[ 57.258823][ T21] ? lockdep_hardirqs_on_prepare+0x590/0x590
[ 57.265493][ T21] ? __ext4_mark_inode_dirty+0x950/0x950
[ 57.271193][ T21] ? do_writepages+0xfa/0x2a0
[ 57.275856][ T21] do_writepages+0xfa/0x2a0
[ 57.280527][ T21] ? page_writeback_cpu_online+0x10/0x10
[ 57.286150][ T21] ? debug_smp_processor_id+0x2f/0x185
[ 57.291705][ T21] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 57.297253][ T21] ? rcu_read_lock_any_held.part.0+0x50/0x50
[ 57.303217][ T21] ? lock_downgrade+0x840/0x840
[ 57.308057][ T21] __writeback_single_inode+0x12a/0x1410
[ 57.313673][ T21] ? _raw_spin_unlock+0x24/0x40
[ 57.318501][ T21] ? wbc_attach_and_unlock_inode+0x60a/0x9c0
[ 57.324458][ T21] writeback_sb_inodes+0x515/0xdd0
[ 57.329553][ T21] ? __writeback_single_inode+0x1410/0x1410
[ 57.335433][ T21] __writeback_inodes_wb+0xc3/0x250
[ 57.340623][ T21] wb_writeback+0x910/0xd90
[ 57.345120][ T21] ? print_usage_bug+0x240/0x240
[ 57.350050][ T21] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0
[ 57.356370][ T21] ? _find_next_bit.constprop.0+0x1a3/0x200
[ 57.362253][ T21] ? cpumask_next+0x3c/0x40
[ 57.366746][ T21] ? get_nr_dirty_inodes+0xd6/0x130
[ 57.371975][ T21] wb_workfn+0xadf/0x10d0
[ 57.376291][ T21] ? inode_wait_for_writeback+0x30/0x30
[ 57.382002][ T21] ? debug_smp_processor_id+0x2f/0x185
[ 57.387451][ T21] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 57.392973][ T21] ? rcu_read_lock_any_held.part.0+0x50/0x50
[ 57.399021][ T21] process_one_work+0x965/0x16a0
[ 57.403964][ T21] ? lock_release+0x800/0x800
[ 57.408633][ T21] ? pwq_dec_nr_in_flight+0x310/0x310
[ 57.413998][ T21] ? rwlock_bug.part.0+0x90/0x90
[ 57.418938][ T21] worker_thread+0x96/0xe10
[ 57.423979][ T21] ? process_one_work+0x16a0/0x16a0
[ 57.429156][ T21] kthread+0x388/0x470
[ 57.433287][ T21] ? kthread_mod_delayed_work+0x1a0/0x1a0
[ 57.439428][ T21] ? kthread_mod_delayed_work+0x1a0/0x1a0
[ 57.445145][ T21] ret_from_fork+0x24/0x30
Warning: Permanently added '10.128.10.37' (ECDSA) to the list of known hosts.
2020/06/15 13:47:01 fuzzer started
2020/06/15 13:47:01 connecting to host at 10.128.0.26:33499
2020/06/15 13:47:01 checking machine...
2020/06/15 13:47:01 checking revisions...
2020/06/15 13:47:01 testing simple program...
[ 60.101595][ T6784] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6784
[ 60.110960][ T6784] caller is ext4_mb_new_blocks+0xa77/0x3b30
[ 60.117405][ T6784] CPU: 1 PID: 6784 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0
[ 60.125310][ T6784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 60.135352][ T6784] Call Trace:
[ 60.138635][ T6784] dump_stack+0x188/0x20d
[ 60.143067][ T6784] debug_smp_processor_id.cold+0x88/0x9b
[ 60.148882][ T6784] ext4_mb_new_blocks+0xa77/0x3b30
[ 60.153985][ T6784] ? ext4_ext_search_right+0x2ca/0xb20
[ 60.159426][ T6784] ? ext4_inode_to_goal_block+0x2df/0x3f0
[ 60.165152][ T6784] ext4_ext_map_blocks+0x2044/0x3410
[ 60.170418][ T6784] ? ext4_ext_release+0x10/0x10
[ 60.175474][ T6784] ? __down_timeout+0x2d0/0x2d0
[ 60.180336][ T6784] ? ext4_es_lookup_extent+0x41d/0xd30
[ 60.185791][ T6784] ext4_map_blocks+0x4cb/0x1640
[ 60.190657][ T6784] ? ext4_issue_zeroout+0x1e0/0x1e0
[ 60.195867][ T6784] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 60.201392][ T6784] ? rcu_read_lock_any_held.part.0+0x50/0x50
[ 60.207511][ T6784] ? prandom_u32_state+0xe/0x170
[ 60.212452][ T6784] ? __brelse+0x84/0xa0
[ 60.216620][ T6784] ? __ext4_new_inode+0x144/0x57c0
[ 60.221732][ T6784] ext4_getblk+0xad/0x520
[ 60.226044][ T6784] ? ext4_iomap_overwrite_begin+0xa0/0xa0
[ 60.231770][ T6784] ? ext4_free_inode+0x17e0/0x17e0
[ 60.236876][ T6784] ext4_bread+0x7c/0x380
[ 60.241108][ T6784] ? ext4_getblk+0x520/0x520
[ 60.245677][ T6784] ? dqget+0xff0/0xff0
[ 60.249739][ T6784] ext4_append+0x153/0x360
[ 60.254136][ T6784] ext4_mkdir+0x5e0/0xdf0
[ 60.258477][ T6784] ? ext4_rmdir+0xde0/0xde0
[ 60.262968][ T6784] ? security_inode_permission+0xc4/0xf0
[ 60.268603][ T6784] vfs_mkdir+0x419/0x690
[ 60.272860][ T6784] do_mkdirat+0x21e/0x280
[ 60.277307][ T6784] ? __ia32_sys_mknod+0xb0/0xb0
[ 60.282397][ T6784] ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[ 60.288551][ T6784] ? do_syscall_64+0x21/0x7d0
[ 60.293209][ T6784] ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[ 60.299197][ T6784] do_syscall_64+0xf6/0x7d0
[ 60.303687][ T6784] entry_SYSCALL_64_after_hwframe+0x49/0xb3
[ 60.309573][ T6784] RIP: 0033:0x4b02a0
[ 60.313447][ T6784] 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
[ 60.333647][ T6784] RSP: 002b:000000c0000e54b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102
[ 60.342050][ T6784] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0
[ 60.350523][ T6784] RDX: 00000000000001c0 RSI: 000000c00009ef20 RDI: ffffffffffffff9c
[ 60.358478][ T6784] RBP: 000000c0000e5510 R08: 0000000000000000 R09: 0000000000000000
[ 60.366567][ T6784] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff
[ 60.374525][ T6784] R13: 000000000000007a R14: 0000000000000079 R15: 0000000000000100
[ 60.389565][ T6799] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6799
[ 60.399497][ T6799] caller is ext4_mb_new_blocks+0xa77/0x3b30
[ 60.405499][ T6799] CPU: 1 PID: 6799 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0
[ 60.413964][ T6799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 60.424034][ T6799] Call Trace:
[ 60.427330][ T6799] dump_stack+0x188/0x20d
[ 60.431990][ T6799] debug_smp_processor_id.cold+0x88/0x9b
[ 60.437603][ T6799] ext4_mb_new_blocks+0xa77/0x3b30
[ 60.442729][ T6799] ? ext4_ext_search_right+0x2ca/0xb20
[ 60.448180][ T6799] ? ext4_inode_to_goal_block+0x2df/0x3f0
[ 60.453886][ T6799] ext4_ext_map_blocks+0x2044/0x3410
[ 60.459393][ T6799] ? ext4_ext_release+0x10/0x10
[ 60.464293][ T6799] ? __down_timeout+0x2d0/0x2d0
[ 60.469126][ T6799] ? ext4_es_lookup_extent+0x41d/0xd30
[ 60.474851][ T6799] ext4_map_blocks+0x4cb/0x1640
[ 60.479685][ T6799] ? ext4_issue_zeroout+0x1e0/0x1e0
[ 60.484877][ T6799] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 60.490416][ T6799] ? rcu_read_lock_any_held.part.0+0x50/0x50
[ 60.496381][ T6799] ? prandom_u32_state+0xe/0x170
[ 60.501295][ T6799] ? __brelse+0x84/0xa0
[ 60.505442][ T6799] ? __ext4_new_inode+0x144/0x57c0
[ 60.510533][ T6799] ext4_getblk+0xad/0x520
[ 60.514842][ T6799] ? ext4_iomap_overwrite_begin+0xa0/0xa0
[ 60.520680][ T6799] ? ext4_free_inode+0x17e0/0x17e0
[ 60.525796][ T6799] ext4_bread+0x7c/0x380
[ 60.530024][ T6799] ? ext4_getblk+0x520/0x520
[ 60.534597][ T6799] ? dqget+0xff0/0xff0
[ 60.538681][ T6799] ext4_append+0x153/0x360
[ 60.543122][ T6799] ext4_mkdir+0x5e0/0xdf0
[ 60.547657][ T6799] ? ext4_rmdir+0xde0/0xde0
[ 60.552259][ T6799] ? security_inode_permission+0xc4/0xf0
[ 60.557882][ T6799] vfs_mkdir+0x419/0x690
[ 60.562131][ T6799] do_mkdirat+0x21e/0x280
[ 60.566626][ T6799] ? __ia32_sys_mknod+0xb0/0xb0
[ 60.571459][ T6799] ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[ 60.577440][ T6799] ? do_syscall_64+0x21/0x7d0
[ 60.582256][ T6799] ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[ 60.588235][ T6799] do_syscall_64+0xf6/0x7d0
[ 60.592727][ T6799] entry_SYSCALL_64_after_hwframe+0x49/0xb3
[ 60.598597][ T6799] RIP: 0033:0x45bed7
[ 60.602605][ T6799] 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
[ 60.622458][ T6799] RSP: 002b:00007ffc813b26a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 60.630853][ T6799] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bed7
[ 60.638956][ T6799] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 00007ffc813b2880
[ 60.647050][ T6799] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000002d40
[ 60.656153][ T6799] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2
[ 60.664126][ T6799] R13: 00007ffc813b2880 R14: 8421084210842109 R15: 00007ffc813b288c
[ 60.750889][ T6800] IPVS: ftp: loaded support on port[0] = 21
[ 60.788090][ T6800] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6800
[ 60.797551][ T6800] caller is ext4_mb_new_blocks+0xa77/0x3b30
[ 60.803461][ T6800] CPU: 0 PID: 6800 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0
[ 60.811765][ T6800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 60.821802][ T6800] Call Trace:
[ 60.825100][ T6800] dump_stack+0x188/0x20d
[ 60.829445][ T6800] debug_smp_processor_id.cold+0x88/0x9b
[ 60.835078][ T6800] ext4_mb_new_blocks+0xa77/0x3b30
[ 60.840196][ T6800] ? ext4_ext_search_right+0x2ca/0xb20
[ 60.845648][ T6800] ? ext4_inode_to_goal_block+0x2df/0x3f0
[ 60.851392][ T6800] ext4_ext_map_blocks+0x2044/0x3410
[ 60.856660][ T6800] ? ext4_ext_release+0x10/0x10
[ 60.861510][ T6800] ? __down_timeout+0x2d0/0x2d0
[ 60.866347][ T6800] ? ext4_es_lookup_extent+0x41d/0xd30
[ 60.871802][ T6800] ext4_map_blocks+0x4cb/0x1640
[ 60.876651][ T6800] ? ext4_issue_zeroout+0x1e0/0x1e0
[ 60.881895][ T6800] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 60.887465][ T6800] ? rcu_read_lock_any_held.part.0+0x50/0x50
[ 60.893444][ T6800] ? prandom_u32_state+0xe/0x170
[ 60.898367][ T6800] ? __brelse+0x84/0xa0
[ 60.902503][ T6800] ? __ext4_new_inode+0x144/0x57c0
[ 60.907692][ T6800] ext4_getblk+0xad/0x520
[ 60.912031][ T6800] ? ext4_iomap_overwrite_begin+0xa0/0xa0
[ 60.917741][ T6800] ? ext4_free_inode+0x17e0/0x17e0
[ 60.922835][ T6800] ext4_bread+0x7c/0x380
[ 60.927063][ T6800] ? ext4_getblk+0x520/0x520
[ 60.931645][ T6800] ? dqget+0xff0/0xff0
[ 60.935695][ T6800] ext4_append+0x153/0x360
[ 60.940106][ T6800] ext4_mkdir+0x5e0/0xdf0
[ 60.944424][ T6800] ? ext4_rmdir+0xde0/0xde0
[ 60.948957][ T6800] ? security_inode_permission+0xc4/0xf0
[ 60.954570][ T6800] vfs_mkdir+0x419/0x690
[ 60.958793][ T6800] do_mkdirat+0x21e/0x280
[ 60.963100][ T6800] ? __ia32_sys_mknod+0xb0/0xb0
[ 60.967929][ T6800] ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[ 60.973902][ T6800] ? do_syscall_64+0x21/0x7d0
[ 60.978557][ T6800] ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[ 60.984540][ T6800] do_syscall_64+0xf6/0x7d0
[ 60.989057][ T6800] entry_SYSCALL_64_after_hwframe+0x49/0xb3
[ 60.994952][ T6800] RIP: 0033:0x45bed7
[ 60.998848][ T6800] 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
[ 61.018430][ T6800] RSP: 002b:00007ffc813b2598 EFLAGS: 00000202 ORIG_RAX: 0000000000000053
[ 61.026838][ T6800] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bed7
[ 61.034801][ T6800] RDX: 00007ffc813b25e3 RSI: 00000000000001ff RDI: 00007ffc813b25e0
[ 61.042753][ T6800] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003
[ 61.050710][ T6800] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185c0
[ 61.058672][ T6800] R13: 00007ffc813b25d0 R14: 0000000000000000 R15: 00007ffc813b25e0
[ 61.112469][ T6800] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6800
[ 61.122574][ T6800] caller is ext4_mb_new_blocks+0xa77/0x3b30
[ 61.128567][ T6800] CPU: 1 PID: 6800 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0
[ 61.136811][ T6800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 61.147005][ T6800] Call Trace:
[ 61.150323][ T6800] dump_stack+0x188/0x20d
[ 61.154675][ T6800] debug_smp_processor_id.cold+0x88/0x9b
[ 61.160320][ T6800] ext4_mb_new_blocks+0xa77/0x3b30
[ 61.165456][ T6800] ? ext4_ext_search_right+0x2ca/0xb20
[ 61.170938][ T6800] ? ext4_inode_to_goal_block+0x2df/0x3f0
[ 61.176683][ T6800] ext4_ext_map_blocks+0x2044/0x3410
[ 61.181969][ T6800] ? ext4_ext_release+0x10/0x10
[ 61.186817][ T6800] ? __down_timeout+0x2d0/0x2d0
[ 61.191664][ T6800] ? ext4_es_lookup_extent+0x41d/0xd30
[ 61.197128][ T6800] ext4_map_blocks+0x4cb/0x1640
[ 61.202076][ T6800] ? ext4_issue_zeroout+0x1e0/0x1e0
[ 61.207281][ T6800] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 61.212830][ T6800] ? rcu_read_lock_any_held.part.0+0x50/0x50
[ 61.218804][ T6800] ? prandom_u32_state+0xe/0x170
[ 61.223863][ T6800] ? __brelse+0x84/0xa0
[ 61.228018][ T6800] ? __ext4_new_inode+0x144/0x57c0
[ 61.233184][ T6800] ext4_getblk+0xad/0x520
[ 61.237514][ T6800] ? ext4_iomap_overwrite_begin+0xa0/0xa0
[ 61.243243][ T6800] ? ext4_free_inode+0x17e0/0x17e0
[ 61.248342][ T6800] ext4_bread+0x7c/0x380
[ 61.252564][ T6800] ? ext4_getblk+0x520/0x520
[ 61.257263][ T6800] ? dqget+0xff0/0xff0
[ 61.261342][ T6800] ext4_append+0x153/0x360
[ 61.265757][ T6800] ext4_mkdir+0x5e0/0xdf0
[ 61.270346][ T6800] ? ext4_rmdir+0xde0/0xde0
[ 61.274846][ T6800] ? security_inode_permission+0xc4/0xf0
[ 61.280480][ T6800] vfs_mkdir+0x419/0x690
[ 61.284706][ T6800] do_mkdirat+0x21e/0x280
[ 61.289016][ T6800] ? __ia32_sys_mknod+0xb0/0xb0
[ 61.293844][ T6800] ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[ 61.299826][ T6800] ? do_syscall_64+0x21/0x7d0
[ 61.304484][ T6800] ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[ 61.310445][ T6800] do_syscall_64+0xf6/0x7d0
[ 61.314970][ T6800] entry_SYSCALL_64_after_hwframe+0x49/0xb3
[ 61.320844][ T6800] RIP: 0033:0x45bed7
[ 61.324727][ T6800] 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
[ 61.344416][ T6800] RSP: 002b:00007ffc813b2598 EFLAGS: 00000202 ORIG_RAX: 0000000000000053
[ 61.352927][ T6800] RAX: ffffffffffffffda RBX: 000000000000eeb7 RCX: 000000000045bed7
2020/06/15 13:47:03 building call list...
[ 61.360896][ T6800] RDX: 00007ffc813b25e3 RSI: 00000000000001ff RDI: 00007ffc813b25e0
[ 61.368868][ T6800] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003
[ 61.376823][ T6800] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003
[ 61.384789][ T6800] R13: 00007ffc813b25d0 R14: 000000000000eea9 R15: 00007ffc813b25e0
[ 61.674446][ T21] tipc: TX() has been purged, node left!
executing program
[ 62.960986][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155
[ 62.970292][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30
[ 62.976276][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0
[ 62.984159][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 62.994235][ T1155] Call Trace:
[ 62.997701][ T1155] dump_stack+0x188/0x20d
[ 63.002032][ T1155] debug_smp_processor_id.cold+0x88/0x9b
[ 63.007657][ T1155] ext4_mb_new_blocks+0xa77/0x3b30
[ 63.012761][ T1155] ? __kmalloc+0x62f/0x7a0
[ 63.017184][ T1155] ? ext4_ext_search_right+0x2ca/0xb20
[ 63.022635][ T1155] ? ext4_inode_to_goal_block+0x2df/0x3f0
[ 63.028355][ T1155] ext4_ext_map_blocks+0x2044/0x3410
[ 63.033654][ T1155] ? ext4_ext_release+0x10/0x10
[ 63.038522][ T1155] ? __down_timeout+0x2d0/0x2d0
[ 63.043364][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30
[ 63.048823][ T1155] ext4_map_blocks+0x4cb/0x1640
[ 63.053674][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0
[ 63.058865][ T1155] ? debug_smp_processor_id+0x2f/0x185
[ 63.064323][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 63.069863][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50
[ 63.075837][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0
[ 63.081303][ T1155] ext4_writepages+0x1ab7/0x3400
[ 63.086237][ T1155] ? mark_lock+0x30/0xdd0
[ 63.090577][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950
[ 63.096233][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950
[ 63.102401][ T1155] ? do_writepages+0xfa/0x2a0
[ 63.107084][ T1155] do_writepages+0xfa/0x2a0
[ 63.111594][ T1155] ? page_writeback_cpu_online+0x10/0x10
[ 63.117225][ T1155] ? do_raw_spin_lock+0x129/0x2e0
[ 63.122246][ T1155] ? do_raw_spin_unlock+0x171/0x260
[ 63.127437][ T1155] ? _raw_spin_unlock+0x24/0x40
[ 63.132284][ T1155] __filemap_fdatawrite_range+0x2aa/0x390
[ 63.137997][ T1155] ? collapse_file+0x3575/0x4300
[ 63.142924][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0
[ 63.148991][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80
[ 63.154184][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[ 63.160188][ T1155] collapse_file+0x357f/0x4300
[ 63.164972][ T1155] ? collapse_huge_page+0x4370/0x4370
[ 63.171397][ T1155] ? khugepaged+0x24fa/0x3f80
[ 63.176180][ T1155] khugepaged+0x3049/0x3f80
[ 63.180727][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0
[ 63.186386][ T1155] ? lock_downgrade+0x840/0x840
[ 63.191232][ T1155] ? finish_wait+0x260/0x260
[ 63.195818][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0
[ 63.201614][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[ 63.207602][ T1155] ? __kthread_parkme+0x13f/0x1e0
[ 63.212619][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0
[ 63.218265][ T1155] kthread+0x388/0x470
[ 63.222333][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0
[ 63.228482][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0
[ 63.234236][ T1155] ret_from_fork+0x24/0x30
[ 63.377833][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155
[ 63.386951][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30
[ 63.392844][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0
[ 63.400722][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 63.410783][ T1155] Call Trace:
[ 63.414182][ T1155] dump_stack+0x188/0x20d
[ 63.418516][ T1155] debug_smp_processor_id.cold+0x88/0x9b
[ 63.424148][ T1155] ext4_mb_new_blocks+0xa77/0x3b30
[ 63.429269][ T1155] ? ext4_ext_search_right+0x2ca/0xb20
[ 63.434813][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0
[ 63.440968][ T1155] ext4_ext_map_blocks+0x2044/0x3410
[ 63.446256][ T1155] ? ext4_ext_release+0x10/0x10
[ 63.451207][ T1155] ? __down_timeout+0x2d0/0x2d0
[ 63.456133][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30
[ 63.461571][ T1155] ext4_map_blocks+0x4cb/0x1640
[ 63.466401][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0
[ 63.471574][ T1155] ? debug_smp_processor_id+0x2f/0x185
[ 63.477010][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 63.482543][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50
[ 63.488507][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0
[ 63.493957][ T1155] ext4_writepages+0x1ab7/0x3400
[ 63.498869][ T1155] ? mark_lock+0x30/0xdd0
[ 63.503189][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950
[ 63.509508][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950
[ 63.515379][ T1155] ? do_writepages+0xfa/0x2a0
[ 63.520030][ T1155] do_writepages+0xfa/0x2a0
[ 63.524525][ T1155] ? page_writeback_cpu_online+0x10/0x10
[ 63.530242][ T1155] ? do_raw_spin_lock+0x129/0x2e0
[ 63.535253][ T1155] ? do_raw_spin_unlock+0x171/0x260
[ 63.540444][ T1155] ? _raw_spin_unlock+0x24/0x40
[ 63.545277][ T1155] __filemap_fdatawrite_range+0x2aa/0x390
[ 63.550976][ T1155] ? collapse_file+0x3575/0x4300
[ 63.555889][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0
[ 63.561947][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80
[ 63.567140][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[ 63.573139][ T1155] collapse_file+0x357f/0x4300
[ 63.577895][ T1155] ? collapse_huge_page+0x4370/0x4370
[ 63.583322][ T1155] ? khugepaged+0x24fa/0x3f80
[ 63.588013][ T1155] khugepaged+0x3049/0x3f80
[ 63.592521][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0
[ 63.598158][ T1155] ? lock_downgrade+0x840/0x840
[ 63.602986][ T1155] ? finish_wait+0x260/0x260
[ 63.607588][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0
[ 63.613379][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[ 63.619361][ T1155] ? __kthread_parkme+0x13f/0x1e0
[ 63.624367][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0
[ 63.629987][ T1155] kthread+0x388/0x470
[ 63.634045][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0
[ 63.639746][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0
[ 63.645539][ T1155] ret_from_fork+0x24/0x30
[ 63.678728][ T6781] can: request_module (can-proto-0) failed.
[ 63.714463][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155
[ 63.723546][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30
[ 63.729543][ T1155] CPU: 1 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0
[ 63.737518][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 63.747557][ T1155] Call Trace:
[ 63.750838][ T1155] dump_stack+0x188/0x20d
[ 63.755151][ T1155] debug_smp_processor_id.cold+0x88/0x9b
[ 63.760836][ T1155] ext4_mb_new_blocks+0xa77/0x3b30
[ 63.765949][ T1155] ? ext4_ext_search_right+0x2ca/0xb20
[ 63.771385][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0
[ 63.777517][ T1155] ext4_ext_map_blocks+0x2044/0x3410
[ 63.782869][ T1155] ? ext4_ext_release+0x10/0x10
[ 63.787707][ T1155] ? __down_timeout+0x2d0/0x2d0
[ 63.792543][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30
[ 63.797981][ T1155] ext4_map_blocks+0x4cb/0x1640
[ 63.802823][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0
[ 63.808181][ T1155] ? debug_smp_processor_id+0x2f/0x185
[ 63.813706][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 63.819230][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50
[ 63.825195][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0
[ 63.830630][ T1155] ext4_writepages+0x1ab7/0x3400
[ 63.835548][ T1155] ? mark_lock+0x30/0xdd0
[ 63.840922][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950
[ 63.846652][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950
[ 63.852280][ T1155] ? do_writepages+0xfa/0x2a0
[ 63.857217][ T1155] do_writepages+0xfa/0x2a0
[ 63.861720][ T1155] ? page_writeback_cpu_online+0x10/0x10
[ 63.867438][ T1155] ? do_raw_spin_lock+0x129/0x2e0
[ 63.872449][ T1155] ? do_raw_spin_unlock+0x171/0x260
[ 63.877804][ T1155] ? _raw_spin_unlock+0x24/0x40
[ 63.882642][ T1155] __filemap_fdatawrite_range+0x2aa/0x390
[ 63.903318][ T1155] ? collapse_file+0x3575/0x4300
[ 63.908247][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0
[ 63.914331][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80
[ 63.919528][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[ 63.925523][ T1155] collapse_file+0x357f/0x4300
[ 63.930293][ T1155] ? collapse_huge_page+0x4370/0x4370
[ 63.935647][ T1155] ? khugepaged+0x24fa/0x3f80
[ 63.940334][ T1155] khugepaged+0x3049/0x3f80
[ 63.944833][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0
[ 63.950456][ T1155] ? lock_downgrade+0x840/0x840
[ 63.955294][ T1155] ? finish_wait+0x260/0x260
[ 63.959872][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0
[ 63.965660][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[ 63.971626][ T1155] ? __kthread_parkme+0x13f/0x1e0
[ 63.976632][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0
[ 63.982246][ T1155] kthread+0x388/0x470
[ 63.986312][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0
[ 63.992019][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0
[ 63.997742][ T1155] ret_from_fork+0x24/0x30
[ 64.308928][ T6781] can: request_module (can-proto-0) failed.
[ 64.320584][ T6781] can: request_module (can-proto-0) failed.