[ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ 51.991897][ T6758] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6758 [ 52.001984][ T6758] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 52.002009][ T6758] CPU: 1 PID: 6758 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 52.002017][ T6758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.002030][ T6758] Call Trace: [ 52.002049][ T6758] dump_stack+0x188/0x20d [ 52.033909][ T6758] debug_smp_processor_id.cold+0x88/0x9b [ 52.039554][ T6758] ext4_mb_new_blocks+0xa77/0x3b30 [ 52.044693][ T6758] ? ext4_ext_search_right+0x2ca/0xb20 [ 52.050153][ T6758] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 52.055892][ T6758] ext4_ext_map_blocks+0x2044/0x3410 [ 52.061395][ T6758] ? ext4_ext_release+0x10/0x10 [ 52.066259][ T6758] ? __down_timeout+0x2d0/0x2d0 [ 52.071104][ T6758] ? ext4_es_lookup_extent+0x41d/0xd30 [ 52.076659][ T6758] ext4_map_blocks+0x4cb/0x1640 [ 52.081710][ T6758] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 52.086907][ T6758] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.092446][ T6758] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 52.098426][ T6758] ? prandom_u32_state+0xe/0x170 [ 52.103360][ T6758] ? __brelse+0x84/0xa0 [ 52.107497][ T6758] ? __ext4_new_inode+0x144/0x57c0 [ 52.112591][ T6758] ext4_getblk+0xad/0x520 [ 52.116920][ T6758] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 52.122650][ T6758] ? ext4_free_inode+0x17e0/0x17e0 [ 52.127745][ T6758] ext4_bread+0x7c/0x380 [ 52.132027][ T6758] ? ext4_getblk+0x520/0x520 [ 52.136604][ T6758] ? dqget+0xff0/0xff0 [ 52.142404][ T6758] ext4_append+0x153/0x360 [ 52.146835][ T6758] ext4_mkdir+0x5e0/0xdf0 [ 52.151161][ T6758] ? ext4_rmdir+0xde0/0xde0 [ 52.155649][ T6758] ? security_inode_permission+0xc4/0xf0 [ 52.161267][ T6758] vfs_mkdir+0x419/0x690 [ 52.165508][ T6758] do_mkdirat+0x21e/0x280 [ 52.169821][ T6758] ? __ia32_sys_mknod+0xb0/0xb0 [ 52.174650][ T6758] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 52.181065][ T6758] ? do_syscall_64+0x21/0x7d0 [ 52.185722][ T6758] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 52.191868][ T6758] do_syscall_64+0xf6/0x7d0 [ 52.196389][ T6758] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 52.202282][ T6758] RIP: 0033:0x7f7104f68687 [ 52.206769][ T6758] 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 [ 52.226374][ T6758] RSP: 002b:00007ffcfe139bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 52.235205][ T6758] RAX: ffffffffffffffda RBX: 0000561382c33985 RCX: 00007f7104f68687 [ 52.243158][ T6758] RDX: 00007ffcfe139a90 RSI: 00000000000001ed RDI: 0000561382c33985 [ 52.251110][ T6758] RBP: 00007f7104f68680 R08: 0000000000000100 R09: 0000000000000000 [ 52.259092][ T6758] R10: 0000561382c33980 R11: 0000000000000246 R12: 00000000000001ed [ 52.267056][ T6758] R13: 00007ffcfe139d50 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 55.547903][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 55.557024][ T7] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 55.562921][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-syzkaller #0 [ 55.570696][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.580735][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 55.586775][ T7] Call Trace: [ 55.590046][ T7] dump_stack+0x188/0x20d [ 55.594372][ T7] debug_smp_processor_id.cold+0x88/0x9b [ 55.599984][ T7] ext4_mb_new_blocks+0xa77/0x3b30 [ 55.605171][ T7] ? __kmalloc+0x62f/0x7a0 [ 55.609580][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 55.615025][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 55.620811][ T7] ext4_ext_map_blocks+0x2044/0x3410 [ 55.626076][ T7] ? ext4_ext_release+0x10/0x10 [ 55.630939][ T7] ? __down_timeout+0x2d0/0x2d0 [ 55.635766][ T7] ? ext4_es_lookup_extent+0x41d/0xd30 [ 55.641204][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 55.646654][ T7] ext4_map_blocks+0x4cb/0x1640 [ 55.651495][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 55.656683][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 55.662124][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 55.667649][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 55.673621][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 55.679075][ T7] ext4_writepages+0x1ab7/0x3400 [ 55.684123][ T7] ? __ext4_mark_inode_dirty+0x950/0x950 [ 55.689734][ T7] ? __lock_acquire+0x2224/0x48a0 [ 55.694744][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 55.700716][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 55.706777][ T7] ? __ext4_mark_inode_dirty+0x950/0x950 [ 55.712406][ T7] ? do_writepages+0xfa/0x2a0 [ 55.717076][ T7] do_writepages+0xfa/0x2a0 [ 55.721560][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 55.727168][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 55.732606][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 55.738140][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 55.744207][ T7] ? lock_downgrade+0x840/0x840 [ 55.749037][ T7] __writeback_single_inode+0x12a/0x1410 [ 55.754648][ T7] ? _raw_spin_unlock+0x24/0x40 [ 55.759475][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 55.765446][ T7] writeback_sb_inodes+0x515/0xdd0 [ 55.770541][ T7] ? __writeback_single_inode+0x1410/0x1410 [ 55.776511][ T7] __writeback_inodes_wb+0xc3/0x250 [ 55.781713][ T7] wb_writeback+0x910/0xd90 [ 55.786280][ T7] ? print_usage_bug+0x240/0x240 [ 55.791197][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 55.797515][ T7] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 55.803402][ T7] ? cpumask_next+0x3c/0x40 [ 55.807885][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 55.813085][ T7] wb_workfn+0xadf/0x10d0 [ 55.817418][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 55.822960][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 55.828425][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 55.833958][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 55.839938][ T7] process_one_work+0x965/0x16a0 [ 55.844862][ T7] ? lock_release+0x800/0x800 [ 55.849517][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 55.854869][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 55.859803][ T7] worker_thread+0x96/0xe10 [ 55.864305][ T7] ? process_one_work+0x16a0/0x16a0 [ 55.869479][ T7] kthread+0x388/0x470 [ 55.873526][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 55.879220][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 55.884940][ T7] ret_from_fork+0x24/0x30 Warning: Permanently added '10.128.0.114' (ECDSA) to the list of known hosts. 2020/06/11 05:28:57 fuzzer started 2020/06/11 05:28:57 connecting to host at 10.128.0.26:43669 2020/06/11 05:28:57 checking machine... 2020/06/11 05:28:57 checking revisions... 2020/06/11 05:28:57 testing simple program... [ 57.241542][ T6826] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6826 [ 57.250685][ T6826] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.256648][ T6826] CPU: 1 PID: 6826 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 57.264549][ T6826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.274611][ T6826] Call Trace: [ 57.277908][ T6826] dump_stack+0x188/0x20d [ 57.282418][ T6826] debug_smp_processor_id.cold+0x88/0x9b [ 57.288056][ T6826] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.293164][ T6826] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.298599][ T6826] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.304298][ T6826] ext4_ext_map_blocks+0x2044/0x3410 [ 57.309568][ T6826] ? ext4_ext_release+0x10/0x10 [ 57.314416][ T6826] ? __down_timeout+0x2d0/0x2d0 [ 57.319246][ T6826] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.324691][ T6826] ext4_map_blocks+0x4cb/0x1640 [ 57.329540][ T6826] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.334732][ T6826] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.340273][ T6826] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.346232][ T6826] ? prandom_u32_state+0xe/0x170 [ 57.351165][ T6826] ? __brelse+0x84/0xa0 [ 57.355299][ T6826] ? __ext4_new_inode+0x144/0x57c0 [ 57.360403][ T6826] ext4_getblk+0xad/0x520 [ 57.364815][ T6826] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 57.370516][ T6826] ? ext4_free_inode+0x17e0/0x17e0 [ 57.375606][ T6826] ext4_bread+0x7c/0x380 [ 57.379842][ T6826] ? ext4_getblk+0x520/0x520 [ 57.384424][ T6826] ? dqget+0xff0/0xff0 [ 57.388563][ T6826] ext4_append+0x153/0x360 [ 57.392973][ T6826] ext4_mkdir+0x5e0/0xdf0 [ 57.397355][ T6826] ? ext4_rmdir+0xde0/0xde0 [ 57.402722][ T6826] ? security_inode_permission+0xc4/0xf0 [ 57.408489][ T6826] vfs_mkdir+0x419/0x690 [ 57.412746][ T6826] do_mkdirat+0x21e/0x280 [ 57.417060][ T6826] ? __ia32_sys_mknod+0xb0/0xb0 [ 57.421910][ T6826] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.427871][ T6826] ? do_syscall_64+0x21/0x7d0 [ 57.432578][ T6826] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.438550][ T6826] do_syscall_64+0xf6/0x7d0 [ 57.443033][ T6826] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.448915][ T6826] RIP: 0033:0x4b02a0 [ 57.452864][ T6826] 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 [ 57.473520][ T6826] RSP: 002b:000000c00004f4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 57.485596][ T6826] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 57.493666][ T6826] RDX: 00000000000001c0 RSI: 000000c00031c820 RDI: ffffffffffffff9c [ 57.501626][ T6826] RBP: 000000c00004f510 R08: 0000000000000000 R09: 0000000000000000 [ 57.509593][ T6826] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 57.517565][ T6826] R13: 0000000000000042 R14: 0000000000000041 R15: 0000000000000100 [ 57.560560][ T6844] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6844 [ 57.570071][ T6844] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.575976][ T6844] CPU: 1 PID: 6844 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 57.584315][ T6844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.594374][ T6844] Call Trace: [ 57.597677][ T6844] dump_stack+0x188/0x20d [ 57.602051][ T6844] debug_smp_processor_id.cold+0x88/0x9b [ 57.607665][ T6844] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.612760][ T6844] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.618193][ T6844] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.623891][ T6844] ext4_ext_map_blocks+0x2044/0x3410 [ 57.629158][ T6844] ? ext4_ext_release+0x10/0x10 [ 57.633994][ T6844] ? __down_timeout+0x2d0/0x2d0 [ 57.638850][ T6844] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.644317][ T6844] ext4_map_blocks+0x4cb/0x1640 [ 57.649159][ T6844] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.654337][ T6844] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.659859][ T6844] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.665836][ T6844] ? prandom_u32_state+0xe/0x170 [ 57.670785][ T6844] ? __brelse+0x84/0xa0 [ 57.674954][ T6844] ? __ext4_new_inode+0x144/0x57c0 [ 57.680052][ T6844] ext4_getblk+0xad/0x520 [ 57.684452][ T6844] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 57.690171][ T6844] ? ext4_free_inode+0x17e0/0x17e0 [ 57.695268][ T6844] ext4_bread+0x7c/0x380 [ 57.699497][ T6844] ? ext4_getblk+0x520/0x520 [ 57.704074][ T6844] ? dqget+0xff0/0xff0 [ 57.708142][ T6844] ext4_append+0x153/0x360 [ 57.712696][ T6844] ext4_mkdir+0x5e0/0xdf0 [ 57.717026][ T6844] ? ext4_rmdir+0xde0/0xde0 [ 57.721522][ T6844] ? security_inode_permission+0xc4/0xf0 [ 57.727153][ T6844] vfs_mkdir+0x419/0x690 [ 57.731380][ T6844] do_mkdirat+0x21e/0x280 [ 57.735702][ T6844] ? __ia32_sys_mknod+0xb0/0xb0 [ 57.740531][ T6844] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.746503][ T6844] ? do_syscall_64+0x21/0x7d0 [ 57.751188][ T6844] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.757164][ T6844] do_syscall_64+0xf6/0x7d0 [ 57.761649][ T6844] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.767513][ T6844] RIP: 0033:0x45bee7 [ 57.771395][ T6844] 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 [ 57.790979][ T6844] RSP: 002b:00007ffe5a229c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 57.799379][ T6844] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 57.807346][ T6844] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 00007ffe5a229e20 [ 57.815302][ T6844] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000002a40 [ 57.823249][ T6844] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 57.831197][ T6844] R13: 00007ffe5a229e20 R14: 8421084210842109 R15: 00007ffe5a229e2c [ 57.911869][ T6845] IPVS: ftp: loaded support on port[0] = 21 [ 57.948860][ T6845] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6845 [ 57.958421][ T6845] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.964298][ T6845] CPU: 0 PID: 6845 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 57.972521][ T6845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.982551][ T6845] Call Trace: [ 57.985819][ T6845] dump_stack+0x188/0x20d [ 57.990142][ T6845] debug_smp_processor_id.cold+0x88/0x9b [ 57.995768][ T6845] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.000878][ T6845] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.006332][ T6845] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.012062][ T6845] ext4_ext_map_blocks+0x2044/0x3410 [ 58.017343][ T6845] ? ext4_ext_release+0x10/0x10 [ 58.022189][ T6845] ? __down_timeout+0x2d0/0x2d0 [ 58.027015][ T6845] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.032469][ T6845] ext4_map_blocks+0x4cb/0x1640 [ 58.037299][ T6845] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.042485][ T6845] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.048008][ T6845] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.053974][ T6845] ? prandom_u32_state+0xe/0x170 [ 58.058887][ T6845] ? __brelse+0x84/0xa0 [ 58.063030][ T6845] ? __ext4_new_inode+0x144/0x57c0 [ 58.068207][ T6845] ext4_getblk+0xad/0x520 [ 58.073400][ T6845] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.079117][ T6845] ? ext4_free_inode+0x17e0/0x17e0 [ 58.084208][ T6845] ext4_bread+0x7c/0x380 [ 58.088429][ T6845] ? ext4_getblk+0x520/0x520 [ 58.093019][ T6845] ? dqget+0xff0/0xff0 [ 58.097069][ T6845] ext4_append+0x153/0x360 [ 58.101465][ T6845] ext4_mkdir+0x5e0/0xdf0 [ 58.105782][ T6845] ? ext4_rmdir+0xde0/0xde0 [ 58.110268][ T6845] ? security_inode_permission+0xc4/0xf0 [ 58.115882][ T6845] vfs_mkdir+0x419/0x690 [ 58.120125][ T6845] do_mkdirat+0x21e/0x280 [ 58.124463][ T6845] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.129438][ T6845] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.135407][ T6845] ? do_syscall_64+0x21/0x7d0 [ 58.140105][ T6845] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.146068][ T6845] do_syscall_64+0xf6/0x7d0 [ 58.150555][ T6845] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.156423][ T6845] RIP: 0033:0x45bee7 [ 58.160311][ T6845] 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 [ 58.179908][ T6845] RSP: 002b:00007ffe5a229b38 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 58.188295][ T6845] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 58.196417][ T6845] RDX: 00007ffe5a229b83 RSI: 00000000000001ff RDI: 00007ffe5a229b80 [ 58.204370][ T6845] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 58.212318][ T6845] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0 [ 58.220278][ T6845] R13: 00007ffe5a229b70 R14: 0000000000000000 R15: 00007ffe5a229b80 [ 58.293489][ T6845] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6845 [ 58.303095][ T6845] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.309118][ T6845] CPU: 0 PID: 6845 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 58.317368][ T6845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.327429][ T6845] Call Trace: [ 58.330723][ T6845] dump_stack+0x188/0x20d [ 58.335130][ T6845] debug_smp_processor_id.cold+0x88/0x9b [ 58.340766][ T6845] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.345936][ T6845] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.351519][ T6845] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.357227][ T6845] ext4_ext_map_blocks+0x2044/0x3410 [ 58.362508][ T6845] ? ext4_ext_release+0x10/0x10 [ 58.367347][ T6845] ? __down_timeout+0x2d0/0x2d0 [ 58.372173][ T6845] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.377620][ T6845] ext4_map_blocks+0x4cb/0x1640 [ 58.382537][ T6845] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.388012][ T6845] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.393535][ T6845] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.399491][ T6845] ? prandom_u32_state+0xe/0x170 [ 58.404410][ T6845] ? __brelse+0x84/0xa0 [ 58.408545][ T6845] ? __ext4_new_inode+0x144/0x57c0 [ 58.413760][ T6845] ext4_getblk+0xad/0x520 [ 58.418082][ T6845] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.423792][ T6845] ? ext4_free_inode+0x17e0/0x17e0 [ 58.428900][ T6845] ext4_bread+0x7c/0x380 [ 58.433121][ T6845] ? ext4_getblk+0x520/0x520 [ 58.437719][ T6845] ? dqget+0xff0/0xff0 [ 58.441770][ T6845] ext4_append+0x153/0x360 [ 58.446277][ T6845] ext4_mkdir+0x5e0/0xdf0 [ 58.450598][ T6845] ? ext4_rmdir+0xde0/0xde0 [ 58.455084][ T6845] ? security_inode_permission+0xc4/0xf0 [ 58.460726][ T6845] vfs_mkdir+0x419/0x690 [ 58.464946][ T6845] do_mkdirat+0x21e/0x280 [ 58.469255][ T6845] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.474081][ T6845] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.480057][ T6845] ? do_syscall_64+0x21/0x7d0 [ 58.484718][ T6845] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.490684][ T6845] do_syscall_64+0xf6/0x7d0 [ 58.495173][ T6845] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.501044][ T6845] RIP: 0033:0x45bee7 [ 58.504933][ T6845] 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 [ 58.524523][ T6845] RSP: 002b:00007ffe5a229b38 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 58.533014][ T6845] RAX: ffffffffffffffda RBX: 000000000000e3a3 RCX: 000000000045bee7 2020/06/11 05:28:59 building call list... [ 58.540966][ T6845] RDX: 00007ffe5a229b83 RSI: 00000000000001ff RDI: 00007ffe5a229b80 [ 58.548925][ T6845] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 58.556901][ T6845] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 58.564911][ T6845] R13: 00007ffe5a229b70 R14: 000000000000e38f R15: 00007ffe5a229b80 [ 58.836340][ T7] tipc: TX() has been purged, node left! executing program [ 60.308753][ T6829] can: request_module (can-proto-0) failed. [ 60.352096][ T1153] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1153 [ 60.361418][ T1153] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 60.367431][ T1153] CPU: 1 PID: 1153 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 60.375325][ T1153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.385372][ T1153] Call Trace: [ 60.388663][ T1153] dump_stack+0x188/0x20d [ 60.392993][ T1153] debug_smp_processor_id.cold+0x88/0x9b [ 60.398644][ T1153] ext4_mb_new_blocks+0xa77/0x3b30 [ 60.403753][ T1153] ? __kmalloc+0x62f/0x7a0 [ 60.408176][ T1153] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.413630][ T1153] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.419960][ T1153] ext4_ext_map_blocks+0x2044/0x3410 [ 60.425267][ T1153] ? ext4_ext_release+0x10/0x10 [ 60.430149][ T1153] ? __down_timeout+0x2d0/0x2d0 [ 60.434997][ T1153] ? ext4_es_lookup_extent+0x41d/0xd30 [ 60.440460][ T1153] ext4_map_blocks+0x4cb/0x1640 [ 60.445323][ T1153] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.450514][ T1153] ? debug_smp_processor_id+0x2f/0x185 [ 60.456065][ T1153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.461612][ T1153] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.467616][ T1153] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 60.473192][ T1153] ext4_writepages+0x1ab7/0x3400 [ 60.478126][ T1153] ? mark_lock+0x30/0xdd0 [ 60.482454][ T1153] ? __ext4_mark_inode_dirty+0x950/0x950 [ 60.488099][ T1153] ? __ext4_mark_inode_dirty+0x950/0x950 [ 60.493715][ T1153] ? do_writepages+0xfa/0x2a0 [ 60.498374][ T1153] do_writepages+0xfa/0x2a0 [ 60.502863][ T1153] ? page_writeback_cpu_online+0x10/0x10 [ 60.508488][ T1153] ? do_raw_spin_lock+0x129/0x2e0 [ 60.513492][ T1153] ? do_raw_spin_unlock+0x171/0x260 [ 60.518673][ T1153] ? _raw_spin_unlock+0x24/0x40 [ 60.523506][ T1153] __filemap_fdatawrite_range+0x2aa/0x390 [ 60.529208][ T1153] ? collapse_file+0x3575/0x4300 [ 60.534127][ T1153] ? delete_from_page_cache_batch+0xec0/0xec0 [ 60.540194][ T1153] ? _raw_spin_unlock_irq+0x1f/0x80 [ 60.545470][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.551434][ T1153] collapse_file+0x357f/0x4300 [ 60.556190][ T1153] ? collapse_huge_page+0x4370/0x4370 [ 60.561543][ T1153] ? khugepaged+0x24fa/0x3f80 [ 60.566215][ T1153] khugepaged+0x3049/0x3f80 [ 60.570717][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.576344][ T1153] ? lock_downgrade+0x840/0x840 [ 60.581176][ T1153] ? finish_wait+0x260/0x260 [ 60.585759][ T1153] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 60.591558][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.597523][ T1153] ? __kthread_parkme+0x13f/0x1e0 [ 60.602543][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.608156][ T1153] kthread+0x388/0x470 [ 60.612233][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.617944][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.623746][ T1153] ret_from_fork+0x24/0x30 [ 60.705136][ T1153] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1153 [ 60.714296][ T1153] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 60.720288][ T1153] CPU: 1 PID: 1153 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 60.728177][ T1153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.738253][ T1153] Call Trace: [ 60.741555][ T1153] dump_stack+0x188/0x20d [ 60.745877][ T1153] debug_smp_processor_id.cold+0x88/0x9b [ 60.752193][ T1153] ext4_mb_new_blocks+0xa77/0x3b30 [ 60.757301][ T1153] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.762738][ T1153] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 60.768870][ T1153] ext4_ext_map_blocks+0x2044/0x3410 [ 60.774137][ T1153] ? ext4_ext_release+0x10/0x10 [ 60.779441][ T1153] ? __down_timeout+0x2d0/0x2d0 [ 60.784270][ T1153] ? ext4_es_lookup_extent+0x41d/0xd30 [ 60.789736][ T1153] ext4_map_blocks+0x4cb/0x1640 [ 60.794604][ T1153] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.799802][ T1153] ? debug_smp_processor_id+0x2f/0x185 [ 60.805246][ T1153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.811141][ T1153] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.817106][ T1153] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 60.822544][ T1153] ext4_writepages+0x1ab7/0x3400 [ 60.827662][ T1153] ? mark_lock+0x30/0xdd0 [ 60.831977][ T1153] ? __ext4_mark_inode_dirty+0x950/0x950 [ 60.837714][ T1153] ? __ext4_mark_inode_dirty+0x950/0x950 [ 60.843408][ T1153] ? do_writepages+0xfa/0x2a0 [ 60.848064][ T1153] do_writepages+0xfa/0x2a0 [ 60.852584][ T1153] ? page_writeback_cpu_online+0x10/0x10 [ 60.858244][ T1153] ? do_raw_spin_lock+0x129/0x2e0 [ 60.863257][ T1153] ? do_raw_spin_unlock+0x171/0x260 [ 60.868494][ T1153] ? _raw_spin_unlock+0x24/0x40 [ 60.873357][ T1153] __filemap_fdatawrite_range+0x2aa/0x390 [ 60.879070][ T1153] ? collapse_file+0x3575/0x4300 [ 60.883998][ T1153] ? delete_from_page_cache_batch+0xec0/0xec0 [ 60.890072][ T1153] ? _raw_spin_unlock_irq+0x1f/0x80 [ 60.895256][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.901232][ T1153] collapse_file+0x357f/0x4300 [ 60.906076][ T1153] ? collapse_huge_page+0x4370/0x4370 [ 60.911453][ T1153] ? khugepaged+0x24fa/0x3f80 [ 60.916143][ T1153] khugepaged+0x3049/0x3f80 [ 60.920908][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.926540][ T1153] ? lock_downgrade+0x840/0x840 [ 60.931386][ T1153] ? finish_wait+0x260/0x260 [ 60.935972][ T1153] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 60.941943][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.948395][ T1153] ? __kthread_parkme+0x13f/0x1e0 [ 60.953410][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.959042][ T1153] kthread+0x388/0x470 [ 60.963101][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.968804][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.974525][ T1153] ret_from_fork+0x24/0x30 [ 61.022901][ T1153] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1153 [ 61.032037][ T1153] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 61.038041][ T1153] CPU: 1 PID: 1153 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 61.045927][ T1153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.055990][ T1153] Call Trace: [ 61.059264][ T1153] dump_stack+0x188/0x20d [ 61.063576][ T1153] debug_smp_processor_id.cold+0x88/0x9b [ 61.069193][ T1153] ext4_mb_new_blocks+0xa77/0x3b30 [ 61.074293][ T1153] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.079748][ T1153] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 61.085882][ T1153] ext4_ext_map_blocks+0x2044/0x3410 [ 61.091168][ T1153] ? ext4_ext_release+0x10/0x10 [ 61.096030][ T1153] ? __down_timeout+0x2d0/0x2d0 [ 61.100860][ T1153] ? ext4_es_lookup_extent+0x41d/0xd30 [ 61.106318][ T1153] ext4_map_blocks+0x4cb/0x1640 [ 61.111150][ T1153] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.116323][ T1153] ? debug_smp_processor_id+0x2f/0x185 [ 61.121767][ T1153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.127293][ T1153] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.133276][ T1153] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 61.138897][ T1153] ext4_writepages+0x1ab7/0x3400 [ 61.143829][ T1153] ? mark_lock+0x30/0xdd0 [ 61.149717][ T1153] ? __ext4_mark_inode_dirty+0x950/0x950 [ 61.155342][ T1153] ? __ext4_mark_inode_dirty+0x950/0x950 [ 61.161387][ T1153] ? do_writepages+0xfa/0x2a0 [ 61.166041][ T1153] do_writepages+0xfa/0x2a0 [ 61.170532][ T1153] ? page_writeback_cpu_online+0x10/0x10 [ 61.176142][ T1153] ? do_raw_spin_lock+0x129/0x2e0 [ 61.181144][ T1153] ? do_raw_spin_unlock+0x171/0x260 [ 61.186339][ T1153] ? _raw_spin_unlock+0x24/0x40 [ 61.191177][ T1153] __filemap_fdatawrite_range+0x2aa/0x390 [ 61.196894][ T1153] ? collapse_file+0x3575/0x4300 [ 61.201825][ T1153] ? delete_from_page_cache_batch+0xec0/0xec0 [ 61.207879][ T1153] ? _raw_spin_unlock_irq+0x1f/0x80 [ 61.213080][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.219040][ T1153] collapse_file+0x357f/0x4300 [ 61.223801][ T1153] ? collapse_huge_page+0x4370/0x4370 [ 61.229179][ T1153] ? khugepaged+0x24fa/0x3f80 [ 61.233860][ T1153] khugepaged+0x3049/0x3f80 [ 61.238373][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.244053][ T1153] ? lock_downgrade+0x840/0x840 [ 61.248928][ T1153] ? finish_wait+0x260/0x260 [ 61.253511][ T1153] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 61.259299][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.265268][ T1153] ? __kthread_parkme+0x13f/0x1e0 [ 61.270278][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.275891][ T1153] kthread+0x388/0x470 [ 61.279940][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.285654][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.291375][ T1153] ret_from_fork+0x24/0x30 [ 61.591076][ T6829] can: request_module (can-proto-0) failed. [ 61.602642][ T6829] can: request_module (can-proto-0) failed.