Starting getty on tty2-tty6 if dbus and logind are not available... Starting System Logging Service... Starting Permit User Sessions... [ OK ] Started Regular background program processing daemon. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Timers. [ OK ] Started System Logging Service. [ OK ] Started Permit User Sessions. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ 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 Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ 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... [ OK ] Started Update UTMP about System Runlevel Ch[ 51.187933][ T6727] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6727 anges. [ 51.198564][ T6727] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 51.205492][ T6727] CPU: 1 PID: 6727 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 51.213742][ T6727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.223782][ T6727] Call Trace: [ 51.227114][ T6727] dump_stack+0x188/0x20d [ 51.231454][ T6727] debug_smp_processor_id.cold+0x88/0x9b [ 51.237089][ T6727] ext4_mb_new_blocks+0xa77/0x3b30 [ 51.242186][ T6727] ? ext4_ext_search_right+0x2ca/0xb20 [ 51.247621][ T6727] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 51.253323][ T6727] ext4_ext_map_blocks+0x2044/0x3410 [ 51.258588][ T6727] ? ext4_ext_release+0x10/0x10 [ 51.263425][ T6727] ? __down_timeout+0x2d0/0x2d0 [ 51.268251][ T6727] ? ext4_es_lookup_extent+0x41d/0xd30 [ 51.273699][ T6727] ext4_map_blocks+0x4cb/0x1640 [ 51.278555][ T6727] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 51.283730][ T6727] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 51.289267][ T6727] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 51.295228][ T6727] ? prandom_u32_state+0xe/0x170 [ 51.302836][ T6727] ? __brelse+0x84/0xa0 [ 51.306986][ T6727] ? __ext4_new_inode+0x144/0x57c0 [ 51.312077][ T6727] ext4_getblk+0xad/0x520 [ 51.316402][ T6727] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 51.322100][ T6727] ? ext4_free_inode+0x17e0/0x17e0 [ 51.327188][ T6727] ext4_bread+0x7c/0x380 [ 51.331410][ T6727] ? ext4_getblk+0x520/0x520 [ 51.335991][ T6727] ? dqget+0xff0/0xff0 [ 51.340060][ T6727] ext4_append+0x153/0x360 [ 51.344456][ T6727] ext4_mkdir+0x5e0/0xdf0 [ 51.348765][ T6727] ? ext4_rmdir+0xde0/0xde0 [ 51.353248][ T6727] ? security_inode_permission+0xc4/0xf0 [ 51.358875][ T6727] vfs_mkdir+0x419/0x690 [ 51.363114][ T6727] do_mkdirat+0x21e/0x280 [ 51.367420][ T6727] ? __ia32_sys_mknod+0xb0/0xb0 [ 51.372349][ T6727] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 51.378330][ T6727] ? do_syscall_64+0x21/0x7d0 [ 51.382995][ T6727] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 51.388961][ T6727] do_syscall_64+0xf6/0x7d0 [ 51.393470][ T6727] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 51.399364][ T6727] RIP: 0033:0x7f24694f1687 [ 51.403767][ T6727] 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 [ 51.423541][ T6727] RSP: 002b:00007ffe47a1edd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 51.432053][ T6727] RAX: ffffffffffffffda RBX: 0000562a38103985 RCX: 00007f24694f1687 [ 51.440368][ T6727] RDX: 00007ffe47a1eca0 RSI: 00000000000001ed RDI: 0000562a38103985 [ 51.448328][ T6727] RBP: 00007f24694f1680 R08: 0000000000000100 R09: 0000000000000000 [ 51.456280][ T6727] R10: 0000562a38103980 R11: 0000000000000246 R12: 00000000000001ed [ 51.464247][ T6727] R13: 00007ffe47a1ef60 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.250' (ECDSA) to the list of known hosts. 2020/06/12 15:37:13 fuzzer started 2020/06/12 15:37:14 connecting to host at 10.128.0.26:45525 2020/06/12 15:37:14 checking machine... 2020/06/12 15:37:14 checking revisions... 2020/06/12 15:37:14 testing simple program... syzkaller login: [ 56.241839][ T6788] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6788 [ 56.251590][ T6788] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 56.257567][ T6788] CPU: 1 PID: 6788 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 56.265455][ T6788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.275516][ T6788] Call Trace: [ 56.278800][ T6788] dump_stack+0x188/0x20d [ 56.283114][ T6788] debug_smp_processor_id.cold+0x88/0x9b [ 56.288837][ T6788] ext4_mb_new_blocks+0xa77/0x3b30 [ 56.293937][ T6788] ? ext4_ext_search_right+0x2ca/0xb20 [ 56.299391][ T6788] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 56.305087][ T6788] ext4_ext_map_blocks+0x2044/0x3410 [ 56.310356][ T6788] ? ext4_ext_release+0x10/0x10 [ 56.315219][ T6788] ? __down_timeout+0x2d0/0x2d0 [ 56.320047][ T6788] ? ext4_es_lookup_extent+0x41d/0xd30 [ 56.325486][ T6788] ext4_map_blocks+0x4cb/0x1640 [ 56.330332][ T6788] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 56.335505][ T6788] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.341032][ T6788] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.346986][ T6788] ? prandom_u32_state+0xe/0x170 [ 56.351900][ T6788] ? __brelse+0x84/0xa0 [ 56.356044][ T6788] ? __ext4_new_inode+0x144/0x57c0 [ 56.361136][ T6788] ext4_getblk+0xad/0x520 [ 56.365459][ T6788] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 56.371159][ T6788] ? ext4_free_inode+0x17e0/0x17e0 [ 56.376255][ T6788] ext4_bread+0x7c/0x380 [ 56.380561][ T6788] ? ext4_getblk+0x520/0x520 [ 56.385139][ T6788] ? dqget+0xff0/0xff0 [ 56.389195][ T6788] ext4_append+0x153/0x360 [ 56.393603][ T6788] ext4_mkdir+0x5e0/0xdf0 [ 56.397915][ T6788] ? ext4_rmdir+0xde0/0xde0 [ 56.402400][ T6788] ? security_inode_permission+0xc4/0xf0 [ 56.408012][ T6788] vfs_mkdir+0x419/0x690 [ 56.412232][ T6788] do_mkdirat+0x21e/0x280 [ 56.416539][ T6788] ? __ia32_sys_mknod+0xb0/0xb0 [ 56.421453][ T6788] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 56.427410][ T6788] ? do_syscall_64+0x21/0x7d0 [ 56.432078][ T6788] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 56.438053][ T6788] do_syscall_64+0xf6/0x7d0 [ 56.442539][ T6788] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 56.448421][ T6788] RIP: 0033:0x4b02a0 [ 56.452295][ T6788] 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 [ 56.471872][ T6788] RSP: 002b:000000c0000db4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 56.480258][ T6788] RAX: ffffffffffffffda RBX: 000000c00002c000 RCX: 00000000004b02a0 [ 56.488205][ T6788] RDX: 00000000000001c0 RSI: 000000c00009eae0 RDI: ffffffffffffff9c [ 56.496150][ T6788] RBP: 000000c0000db510 R08: 0000000000000000 R09: 0000000000000000 [ 56.504118][ T6788] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 56.512084][ T6788] R13: 0000000000000058 R14: 0000000000000057 R15: 0000000000000100 [ 56.537115][ T522] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:4/522 [ 56.546269][ T522] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 56.552690][ T522] CPU: 0 PID: 522 Comm: kworker/u4:4 Not tainted 5.7.0-syzkaller #0 [ 56.560684][ T522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.570760][ T522] Workqueue: writeback wb_workfn (flush-8:0) [ 56.576741][ T522] Call Trace: [ 56.580039][ T522] dump_stack+0x188/0x20d [ 56.584386][ T522] debug_smp_processor_id.cold+0x88/0x9b [ 56.590030][ T522] ext4_mb_new_blocks+0xa77/0x3b30 [ 56.595150][ T522] ? __kmalloc+0x62f/0x7a0 [ 56.599596][ T522] ? ext4_ext_search_right+0x2ca/0xb20 [ 56.605056][ T522] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 56.610810][ T522] ext4_ext_map_blocks+0x2044/0x3410 [ 56.613296][ T6804] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6804 [ 56.616102][ T522] ? ext4_ext_release+0x10/0x10 [ 56.625581][ T6804] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 56.630325][ T522] ? __down_timeout+0x2d0/0x2d0 [ 56.630341][ T522] ? ext4_es_lookup_extent+0x41d/0xd30 [ 56.630355][ T522] ? debug_smp_processor_id+0x2f/0x185 [ 56.630375][ T522] ext4_map_blocks+0x4cb/0x1640 [ 56.630398][ T522] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 56.661946][ T522] ? debug_smp_processor_id+0x2f/0x185 [ 56.667393][ T522] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.673030][ T522] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.678993][ T522] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 56.684438][ T522] ext4_writepages+0x1ab7/0x3400 [ 56.689376][ T522] ? __ext4_mark_inode_dirty+0x950/0x950 [ 56.695005][ T522] ? __lock_acquire+0x2224/0x48a0 [ 56.700038][ T522] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.706024][ T522] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.712006][ T522] ? __ext4_mark_inode_dirty+0x950/0x950 [ 56.717622][ T522] ? do_writepages+0xfa/0x2a0 [ 56.722297][ T522] do_writepages+0xfa/0x2a0 [ 56.726789][ T522] ? page_writeback_cpu_online+0x10/0x10 [ 56.732403][ T522] ? debug_smp_processor_id+0x2f/0x185 [ 56.737848][ T522] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.743398][ T522] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.749359][ T522] ? lock_downgrade+0x840/0x840 [ 56.754211][ T522] __writeback_single_inode+0x12a/0x1410 [ 56.759828][ T522] ? _raw_spin_unlock+0x24/0x40 [ 56.764662][ T522] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 56.770629][ T522] writeback_sb_inodes+0x515/0xdd0 [ 56.775733][ T522] ? __writeback_single_inode+0x1410/0x1410 [ 56.781625][ T522] __writeback_inodes_wb+0xc3/0x250 [ 56.786813][ T522] wb_writeback+0x910/0xd90 [ 56.791302][ T522] ? print_usage_bug+0x240/0x240 [ 56.796225][ T522] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 56.802546][ T522] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 56.808426][ T522] ? cpumask_next+0x3c/0x40 [ 56.812912][ T522] ? get_nr_dirty_inodes+0xd6/0x130 [ 56.818112][ T522] wb_workfn+0xadf/0x10d0 [ 56.822445][ T522] ? inode_wait_for_writeback+0x30/0x30 [ 56.827973][ T522] ? debug_smp_processor_id+0x2f/0x185 [ 56.833419][ T522] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.838950][ T522] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.844920][ T522] process_one_work+0x965/0x16a0 [ 56.849848][ T522] ? lock_release+0x800/0x800 [ 56.854528][ T522] ? pwq_dec_nr_in_flight+0x310/0x310 [ 56.859902][ T522] ? rwlock_bug.part.0+0x90/0x90 [ 56.864828][ T522] worker_thread+0x96/0xe10 [ 56.869323][ T522] ? process_one_work+0x16a0/0x16a0 [ 56.874502][ T522] kthread+0x388/0x470 [ 56.878553][ T522] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.884252][ T522] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.889983][ T522] ret_from_fork+0x24/0x30 [ 56.894399][ T6804] CPU: 1 PID: 6804 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 56.902651][ T6804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.912708][ T6804] Call Trace: [ 56.916004][ T6804] dump_stack+0x188/0x20d [ 56.920388][ T6804] debug_smp_processor_id.cold+0x88/0x9b [ 56.926034][ T6804] ext4_mb_new_blocks+0xa77/0x3b30 [ 56.931132][ T6804] ? ext4_ext_search_right+0x2ca/0xb20 [ 56.936572][ T6804] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 56.942288][ T6804] ext4_ext_map_blocks+0x2044/0x3410 [ 56.947578][ T6804] ? ext4_ext_release+0x10/0x10 [ 56.952414][ T6804] ? __down_timeout+0x2d0/0x2d0 [ 56.957242][ T6804] ? ext4_es_lookup_extent+0x41d/0xd30 [ 56.962682][ T6804] ext4_map_blocks+0x4cb/0x1640 [ 56.967514][ T6804] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 56.972691][ T6804] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.978220][ T6804] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.984178][ T6804] ? prandom_u32_state+0xe/0x170 [ 56.989102][ T6804] ? __brelse+0x84/0xa0 [ 56.993240][ T6804] ? __ext4_new_inode+0x144/0x57c0 [ 56.998347][ T6804] ext4_getblk+0xad/0x520 [ 57.002654][ T6804] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 57.008352][ T6804] ? ext4_free_inode+0x17e0/0x17e0 [ 57.013453][ T6804] ext4_bread+0x7c/0x380 [ 57.017687][ T6804] ? ext4_getblk+0x520/0x520 [ 57.022252][ T6804] ? dqget+0xff0/0xff0 [ 57.026360][ T6804] ext4_append+0x153/0x360 [ 57.030782][ T6804] ext4_mkdir+0x5e0/0xdf0 [ 57.035102][ T6804] ? ext4_rmdir+0xde0/0xde0 [ 57.039608][ T6804] ? security_inode_permission+0xc4/0xf0 [ 57.045245][ T6804] vfs_mkdir+0x419/0x690 [ 57.049486][ T6804] do_mkdirat+0x21e/0x280 [ 57.053803][ T6804] ? __ia32_sys_mknod+0xb0/0xb0 [ 57.058635][ T6804] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.064598][ T6804] ? do_syscall_64+0x21/0x7d0 [ 57.069266][ T6804] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.075224][ T6804] do_syscall_64+0xf6/0x7d0 [ 57.079711][ T6804] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.085582][ T6804] RIP: 0033:0x45bee7 [ 57.089457][ T6804] 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 [ 57.109038][ T6804] RSP: 002b:00007ffe4a3f2c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 57.117488][ T6804] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 57.125448][ T6804] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007ffe4a3f2e10 [ 57.133405][ T6804] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000003240 [ 57.141373][ T6804] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 57.149335][ T6804] R13: 00007ffe4a3f2e10 R14: 8421084210842109 R15: 00007ffe4a3f2e1c [ 57.233089][ T6805] IPVS: ftp: loaded support on port[0] = 21 [ 57.269805][ T6805] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6805 [ 57.279263][ T6805] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.285149][ T6805] CPU: 0 PID: 6805 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 57.293386][ T6805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.303423][ T6805] Call Trace: [ 57.306699][ T6805] dump_stack+0x188/0x20d [ 57.311009][ T6805] debug_smp_processor_id.cold+0x88/0x9b [ 57.316621][ T6805] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.321712][ T6805] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.327145][ T6805] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.332888][ T6805] ext4_ext_map_blocks+0x2044/0x3410 [ 57.338155][ T6805] ? ext4_ext_release+0x10/0x10 [ 57.342990][ T6805] ? __down_timeout+0x2d0/0x2d0 [ 57.347830][ T6805] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.353281][ T6805] ext4_map_blocks+0x4cb/0x1640 [ 57.358112][ T6805] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.363286][ T6805] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.368813][ T6805] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.374775][ T6805] ? prandom_u32_state+0xe/0x170 [ 57.379689][ T6805] ? __brelse+0x84/0xa0 [ 57.383820][ T6805] ? __ext4_new_inode+0x144/0x57c0 [ 57.388908][ T6805] ext4_getblk+0xad/0x520 [ 57.393232][ T6805] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 57.398938][ T6805] ? ext4_free_inode+0x17e0/0x17e0 [ 57.404045][ T6805] ext4_bread+0x7c/0x380 [ 57.408303][ T6805] ? ext4_getblk+0x520/0x520 [ 57.412916][ T6805] ? dqget+0xff0/0xff0 [ 57.417004][ T6805] ext4_append+0x153/0x360 [ 57.421411][ T6805] ext4_mkdir+0x5e0/0xdf0 [ 57.425719][ T6805] ? ext4_rmdir+0xde0/0xde0 [ 57.430215][ T6805] ? security_inode_permission+0xc4/0xf0 [ 57.435837][ T6805] vfs_mkdir+0x419/0x690 [ 57.440069][ T6805] do_mkdirat+0x21e/0x280 [ 57.444384][ T6805] ? __ia32_sys_mknod+0xb0/0xb0 [ 57.449250][ T6805] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.455208][ T6805] ? do_syscall_64+0x21/0x7d0 [ 57.459873][ T6805] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.465831][ T6805] do_syscall_64+0xf6/0x7d0 [ 57.470313][ T6805] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.476191][ T6805] RIP: 0033:0x45bee7 [ 57.480065][ T6805] 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 [ 57.499665][ T6805] RSP: 002b:00007ffe4a3f2b28 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 57.508053][ T6805] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 57.516005][ T6805] RDX: 00007ffe4a3f2b73 RSI: 00000000000001ff RDI: 00007ffe4a3f2b70 [ 57.523956][ T6805] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 57.531919][ T6805] R10: 0000000000000064 R11: 0000000000000206 R12: 00000000004185d0 [ 57.539881][ T6805] R13: 00007ffe4a3f2b60 R14: 0000000000000000 R15: 00007ffe4a3f2b70 [ 57.592049][ T6805] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6805 [ 57.601631][ T6805] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.607769][ T6805] CPU: 1 PID: 6805 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 57.616002][ T6805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.626056][ T6805] Call Trace: [ 57.629353][ T6805] dump_stack+0x188/0x20d [ 57.633690][ T6805] debug_smp_processor_id.cold+0x88/0x9b [ 57.639327][ T6805] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.644464][ T6805] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.649927][ T6805] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.655637][ T6805] ext4_ext_map_blocks+0x2044/0x3410 [ 57.660917][ T6805] ? ext4_ext_release+0x10/0x10 [ 57.665753][ T6805] ? __down_timeout+0x2d0/0x2d0 [ 57.670581][ T6805] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.676018][ T6805] ext4_map_blocks+0x4cb/0x1640 [ 57.680850][ T6805] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.686023][ T6805] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.691544][ T6805] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.697506][ T6805] ? prandom_u32_state+0xe/0x170 [ 57.702442][ T6805] ? __brelse+0x84/0xa0 [ 57.706577][ T6805] ? __ext4_new_inode+0x144/0x57c0 [ 57.711666][ T6805] ext4_getblk+0xad/0x520 [ 57.715987][ T6805] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 57.721684][ T6805] ? ext4_free_inode+0x17e0/0x17e0 [ 57.726779][ T6805] ext4_bread+0x7c/0x380 [ 57.731014][ T6805] ? ext4_getblk+0x520/0x520 [ 57.735577][ T6805] ? dqget+0xff0/0xff0 [ 57.739625][ T6805] ext4_append+0x153/0x360 [ 57.744018][ T6805] ext4_mkdir+0x5e0/0xdf0 [ 57.748344][ T6805] ? ext4_rmdir+0xde0/0xde0 [ 57.752834][ T6805] ? security_inode_permission+0xc4/0xf0 [ 57.758460][ T6805] vfs_mkdir+0x419/0x690 [ 57.762690][ T6805] do_mkdirat+0x21e/0x280 [ 57.766994][ T6805] ? __ia32_sys_mknod+0xb0/0xb0 [ 57.771821][ T6805] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.777774][ T6805] ? do_syscall_64+0x21/0x7d0 [ 57.782425][ T6805] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.788398][ T6805] do_syscall_64+0xf6/0x7d0 [ 57.792880][ T6805] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.798759][ T6805] RIP: 0033:0x45bee7 [ 57.802641][ T6805] 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 [ 57.822218][ T6805] RSP: 002b:00007ffe4a3f2b28 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 57.830607][ T6805] RAX: ffffffffffffffda RBX: 000000000000e0ea RCX: 000000000045bee7 2020/06/12 15:37:16 building call list... [ 57.838578][ T6805] RDX: 00007ffe4a3f2b73 RSI: 00000000000001ff RDI: 00007ffe4a3f2b70 [ 57.846540][ T6805] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 57.854513][ T6805] R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000003 [ 57.862459][ T6805] R13: 00007ffe4a3f2b60 R14: 000000000000e0dd R15: 00007ffe4a3f2b70 [ 58.146176][ T522] tipc: TX() has been purged, node left! [ 59.022173][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 59.031416][ T1154] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.037424][ T1154] CPU: 0 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 59.045308][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.055353][ T1154] Call Trace: [ 59.058661][ T1154] dump_stack+0x188/0x20d [ 59.062990][ T1154] debug_smp_processor_id.cold+0x88/0x9b [ 59.068616][ T1154] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.073721][ T1154] ? __kmalloc+0x62f/0x7a0 [ 59.078141][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.083592][ T1154] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.089309][ T1154] ext4_ext_map_blocks+0x2044/0x3410 [ 59.094595][ T1154] ? ext4_ext_release+0x10/0x10 [ 59.099457][ T1154] ? __down_timeout+0x2d0/0x2d0 [ 59.104299][ T1154] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.109757][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 59.114608][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.119802][ T1154] ? debug_smp_processor_id+0x2f/0x185 [ 59.125262][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.130803][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.136775][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.142242][ T1154] ext4_writepages+0x1ab7/0x3400 [ 59.147186][ T1154] ? mark_lock+0x30/0xdd0 [ 59.151526][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 59.157178][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 59.162811][ T1154] ? do_writepages+0xfa/0x2a0 [ 59.167492][ T1154] do_writepages+0xfa/0x2a0 [ 59.172005][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 59.177637][ T1154] ? do_raw_spin_lock+0x129/0x2e0 [ 59.182660][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 59.187859][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 59.192714][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 59.198519][ T1154] ? collapse_file+0x3575/0x4300 [ 59.203581][ T1154] ? delete_from_page_cache_batch+0xec0/0xec0 [ 59.209665][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 59.214870][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.220894][ T1154] collapse_file+0x357f/0x4300 [ 59.225694][ T1154] ? collapse_huge_page+0x4370/0x4370 [ 59.231069][ T1154] ? khugepaged+0x24fa/0x3f80 [ 59.235771][ T1154] khugepaged+0x3049/0x3f80 [ 59.240285][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.245906][ T1154] ? lock_downgrade+0x840/0x840 [ 59.250760][ T1154] ? finish_wait+0x260/0x260 [ 59.255327][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 59.261132][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.267122][ T1154] ? __kthread_parkme+0x13f/0x1e0 executing program [ 59.272153][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.277919][ T1154] kthread+0x388/0x470 [ 59.281966][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.287658][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.293355][ T1154] ret_from_fork+0x24/0x30 [ 59.341027][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 59.350261][ T1154] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.356275][ T1154] CPU: 1 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 59.364162][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.374215][ T1154] Call Trace: [ 59.377509][ T1154] dump_stack+0x188/0x20d [ 59.381847][ T1154] debug_smp_processor_id.cold+0x88/0x9b [ 59.387477][ T1154] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.392574][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.398075][ T1154] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 59.404203][ T1154] ext4_ext_map_blocks+0x2044/0x3410 [ 59.409512][ T1154] ? ext4_ext_release+0x10/0x10 [ 59.414344][ T1154] ? __down_timeout+0x2d0/0x2d0 [ 59.419167][ T1154] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.424690][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 59.429520][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.434730][ T1154] ? debug_smp_processor_id+0x2f/0x185 [ 59.440167][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.445687][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.451641][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.457076][ T1154] ext4_writepages+0x1ab7/0x3400 [ 59.461988][ T1154] ? mark_lock+0x30/0xdd0 [ 59.466302][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 59.471940][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 59.477546][ T1154] ? do_writepages+0xfa/0x2a0 [ 59.482195][ T1154] do_writepages+0xfa/0x2a0 [ 59.486688][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 59.492306][ T1154] ? do_raw_spin_lock+0x129/0x2e0 [ 59.497319][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 59.502508][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 59.507336][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 59.513028][ T1154] ? collapse_file+0x3575/0x4300 [ 59.517939][ T1154] ? delete_from_page_cache_batch+0xec0/0xec0 [ 59.523985][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 59.529169][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.535123][ T1154] collapse_file+0x357f/0x4300 [ 59.539884][ T1154] ? collapse_huge_page+0x4370/0x4370 [ 59.545237][ T1154] ? khugepaged+0x24fa/0x3f80 [ 59.549902][ T1154] khugepaged+0x3049/0x3f80 [ 59.554404][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.560012][ T1154] ? lock_downgrade+0x840/0x840 [ 59.564836][ T1154] ? finish_wait+0x260/0x260 [ 59.569402][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 59.575195][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.581155][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 59.586167][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.591775][ T1154] kthread+0x388/0x470 [ 59.595834][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.601531][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.607226][ T1154] ret_from_fork+0x24/0x30 [ 59.665552][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 59.674621][ T1154] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.680657][ T1154] CPU: 1 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 59.688544][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.698589][ T1154] Call Trace: [ 59.701874][ T1154] dump_stack+0x188/0x20d [ 59.706205][ T1154] debug_smp_processor_id.cold+0x88/0x9b [ 59.711828][ T1154] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.716943][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.722397][ T1154] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 59.728563][ T1154] ext4_ext_map_blocks+0x2044/0x3410 [ 59.733892][ T1154] ? ext4_ext_release+0x10/0x10 [ 59.738779][ T1154] ? __down_timeout+0x2d0/0x2d0 [ 59.743625][ T1154] ? ext4_map_blocks+0x195/0x1640 [ 59.748653][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 59.753506][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.758700][ T1154] ? debug_smp_processor_id+0x2f/0x185 [ 59.764176][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.769717][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.775691][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.781146][ T1154] ext4_writepages+0x1ab7/0x3400 [ 59.786082][ T1154] ? mark_lock+0x30/0xdd0 [ 59.790423][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 59.796079][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 59.801701][ T1154] ? do_writepages+0xfa/0x2a0 [ 59.806369][ T1154] do_writepages+0xfa/0x2a0 [ 59.810873][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 59.816498][ T1154] ? do_raw_spin_lock+0x129/0x2e0 [ 59.821524][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 59.826716][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 59.831567][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 59.837282][ T1154] ? collapse_file+0x3575/0x4300 [ 59.842212][ T1154] ? delete_from_page_cache_batch+0xec0/0xec0 [ 59.848280][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 59.853563][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.859544][ T1154] collapse_file+0x357f/0x4300 [ 59.864320][ T1154] ? collapse_huge_page+0x4370/0x4370 [ 59.869684][ T1154] ? khugepaged+0x24fa/0x3f80 [ 59.874373][ T1154] khugepaged+0x3049/0x3f80 [ 59.878894][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.884517][ T1154] ? lock_downgrade+0x840/0x840 [ 59.889360][ T1154] ? finish_wait+0x260/0x260 [ 59.893944][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 59.899739][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.905720][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 59.910737][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.916363][ T1154] kthread+0x388/0x470 [ 59.920422][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.926132][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.931849][ T1154] ret_from_fork+0x24/0x30 [ 60.090218][ T6800] can: request_module (can-proto-0) failed. [ 60.720317][ T6800] can: request_module (can-proto-0) failed. [ 60.731743][ T6800] can: request_module (can-proto-0) failed.