Starting Load/Save RF Kill Switch Status... [ 52.478062][ T6731] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6731 [ 52.487540][ T6731] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 52.493417][ T6731] CPU: 0 PID: 6731 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 52.501735][ T6731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.511768][ T6731] Call Trace: [ 52.515061][ T6731] dump_stack+0x18f/0x20d [ 52.519375][ T6731] check_preemption_disabled+0x20d/0x220 [ 52.524982][ T6731] ext4_mb_new_blocks+0xa4d/0x3b70 [ 52.530079][ T6731] ? ext4_ext_search_right+0x2ca/0xb20 [ 52.535518][ T6731] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 52.541250][ T6731] ext4_ext_map_blocks+0x201b/0x33e0 [ 52.546538][ T6731] ? ext4_ext_release+0x10/0x10 [ 52.551386][ T6731] ? down_write_killable+0x170/0x170 [ 52.561882][ T6731] ? ext4_es_lookup_extent+0x41d/0xd10 [ 52.567328][ T6731] ext4_map_blocks+0x4cb/0x1640 [ 52.572174][ T6731] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 52.577382][ T6731] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.582906][ T6731] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 52.588863][ T6731] ? prandom_u32_state+0xe/0x170 [ 52.593781][ T6731] ? __brelse+0x84/0xa0 [ 52.597922][ T6731] ? __ext4_new_inode+0x144/0x55e0 [ 52.603036][ T6731] ext4_getblk+0xad/0x520 [ 52.607347][ T6731] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 52.613046][ T6731] ? ext4_free_inode+0x1700/0x1700 [ 52.618148][ T6731] ext4_bread+0x7c/0x380 [ 52.622379][ T6731] ? ext4_getblk+0x520/0x520 [ 52.626947][ T6731] ? dquot_get_next_dqblk+0x180/0x180 [ 52.632473][ T6731] ext4_append+0x153/0x360 [ 52.636871][ T6731] ext4_mkdir+0x5e0/0xdf0 [ 52.641193][ T6731] ? ext4_rmdir+0xde0/0xde0 [ 52.645700][ T6731] ? security_inode_permission+0xc4/0xf0 [ 52.651416][ T6731] vfs_mkdir+0x419/0x690 [ 52.655638][ T6731] do_mkdirat+0x21e/0x280 [ 52.659959][ T6731] ? __ia32_sys_mknod+0xb0/0xb0 [ 52.664803][ T6731] ? do_syscall_64+0x1c/0xe0 [ 52.669389][ T6731] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 52.675358][ T6731] do_syscall_64+0x60/0xe0 [ 52.679761][ T6731] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.685768][ T6731] RIP: 0033:0x7fccb3d4c687 [ 52.690161][ T6731] Code: Bad RIP value. [ 52.694207][ T6731] RSP: 002b:00007ffff4043a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 52.702710][ T6731] RAX: ffffffffffffffda RBX: 0000559a3ed9e985 RCX: 00007fccb3d4c687 [ 52.710670][ T6731] RDX: 00007ffff4043920 RSI: 00000000000001ed RDI: 0000559a3ed9e985 [ 52.718631][ T6731] RBP: 00007fccb3d4c680 R08: 0000000000000100 R09: 0000000000000000 [ 52.726588][ T6731] R10: 0000559a3ed9e980 R11: 0000000000000246 R12: 00000000000001ed [ 52.734551][ T6731] R13: 00007ffff4043be0 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.49' (ECDSA) to the list of known hosts. 2020/06/14 05:28:28 fuzzer started syzkaller login: [ 57.405750][ T153] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:3/153 [ 57.415187][ T153] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.421511][ T153] CPU: 1 PID: 153 Comm: kworker/u4:3 Not tainted 5.7.0-syzkaller #0 [ 57.429691][ T153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.439747][ T153] Workqueue: writeback wb_workfn (flush-8:0) [ 57.445728][ T153] Call Trace: [ 57.449002][ T153] dump_stack+0x18f/0x20d [ 57.453318][ T153] check_preemption_disabled+0x20d/0x220 [ 57.458929][ T153] ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.464029][ T153] ? ext4_find_extent+0x81a/0xad0 [ 57.469037][ T153] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.474470][ T153] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.480173][ T153] ext4_ext_map_blocks+0x201b/0x33e0 [ 57.485440][ T153] ? ext4_ext_release+0x10/0x10 [ 57.490279][ T153] ? down_write_killable+0x170/0x170 [ 57.495542][ T153] ? ext4_es_lookup_extent+0x41d/0xd10 [ 57.500980][ T153] ext4_map_blocks+0x4cb/0x1640 [ 57.505810][ T153] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.511084][ T153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.516606][ T153] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.522561][ T153] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.527997][ T153] ext4_writepages+0x1a7b/0x33c0 [ 57.532923][ T153] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.538534][ T153] ? __lock_acquire+0x2224/0x48b0 [ 57.543649][ T153] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.549659][ T153] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.555621][ T153] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.561404][ T153] ? do_writepages+0xfa/0x2a0 [ 57.566059][ T153] do_writepages+0xfa/0x2a0 [ 57.570558][ T153] ? page_writeback_cpu_online+0x10/0x10 [ 57.576173][ T153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.581786][ T153] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.588804][ T153] ? lock_downgrade+0x840/0x840 [ 57.595633][ T153] __writeback_single_inode+0x12a/0x13d0 [ 57.601273][ T153] ? _raw_spin_unlock+0x24/0x40 [ 57.606102][ T153] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 57.612085][ T153] writeback_sb_inodes+0x515/0xdc0 [ 57.617184][ T153] ? __writeback_single_inode+0x13d0/0x13d0 [ 57.623164][ T153] __writeback_inodes_wb+0xc3/0x250 [ 57.628369][ T153] wb_writeback+0x8db/0xd50 [ 57.634012][ T153] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 57.640327][ T153] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 57.646205][ T153] ? cpumask_next+0x3c/0x40 [ 57.650726][ T153] ? get_nr_dirty_inodes+0xd6/0x130 [ 57.655928][ T153] wb_workfn+0xab3/0x1090 [ 57.660247][ T153] ? inode_wait_for_writeback+0x30/0x30 [ 57.665797][ T153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.671324][ T153] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.677300][ T153] process_one_work+0x965/0x1690 [ 57.682252][ T153] ? lock_release+0x800/0x800 [ 57.686911][ T153] ? pwq_dec_nr_in_flight+0x310/0x310 [ 57.692263][ T153] ? rwlock_bug.part.0+0x90/0x90 [ 57.697207][ T153] worker_thread+0x96/0xe10 2020/06/14 05:28:29 connecting to host at 10.128.0.26:42675 2020/06/14 05:28:29 checking machine... 2020/06/14 05:28:29 checking revisions... [ 57.701786][ T153] ? process_one_work+0x1690/0x1690 [ 57.707459][ T153] kthread+0x3b5/0x4a0 [ 57.711533][ T153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.717242][ T153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.722945][ T153] ret_from_fork+0x1f/0x30 2020/06/14 05:28:29 testing simple program... [ 58.018805][ T6797] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6797 [ 58.028048][ T6797] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.034025][ T6797] CPU: 0 PID: 6797 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 58.042696][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.052808][ T6797] Call Trace: [ 58.056273][ T6797] dump_stack+0x18f/0x20d [ 58.060958][ T6797] check_preemption_disabled+0x20d/0x220 [ 58.066572][ T6797] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.071703][ T6797] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.077165][ T6797] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.082866][ T6797] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.088165][ T6797] ? ext4_ext_release+0x10/0x10 [ 58.093076][ T6797] ? down_write_killable+0x170/0x170 [ 58.098448][ T6797] ? ext4_es_lookup_extent+0x41d/0xd10 [ 58.104250][ T6797] ext4_map_blocks+0x4cb/0x1640 [ 58.109089][ T6797] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.114352][ T6797] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.119899][ T6797] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.128559][ T6797] ? prandom_u32_state+0xe/0x170 [ 58.133491][ T6797] ? __brelse+0x84/0xa0 [ 58.137660][ T6797] ? __ext4_new_inode+0x144/0x55e0 [ 58.142774][ T6797] ext4_getblk+0xad/0x520 [ 58.147109][ T6797] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.152818][ T6797] ? ext4_free_inode+0x1700/0x1700 [ 58.157916][ T6797] ext4_bread+0x7c/0x380 [ 58.162328][ T6797] ? ext4_getblk+0x520/0x520 [ 58.166951][ T6797] ? dquot_get_next_dqblk+0x180/0x180 [ 58.172322][ T6797] ext4_append+0x153/0x360 [ 58.176740][ T6797] ext4_mkdir+0x5e0/0xdf0 [ 58.181143][ T6797] ? ext4_rmdir+0xde0/0xde0 [ 58.185659][ T6797] ? security_inode_permission+0xc4/0xf0 [ 58.191800][ T6797] vfs_mkdir+0x419/0x690 [ 58.196044][ T6797] do_mkdirat+0x21e/0x280 [ 58.200629][ T6797] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.205461][ T6797] ? do_syscall_64+0x1c/0xe0 [ 58.210034][ T6797] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.215998][ T6797] do_syscall_64+0x60/0xe0 [ 58.220397][ T6797] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.226273][ T6797] RIP: 0033:0x4b02a0 [ 58.230142][ T6797] Code: Bad RIP value. [ 58.234183][ T6797] RSP: 002b:000000c0000f14b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 58.242572][ T6797] RAX: ffffffffffffffda RBX: 000000c00002c000 RCX: 00000000004b02a0 [ 58.250553][ T6797] RDX: 00000000000001c0 RSI: 000000c0000f2540 RDI: ffffffffffffff9c [ 58.258502][ T6797] RBP: 000000c0000f1510 R08: 0000000000000000 R09: 0000000000000000 [ 58.267887][ T6797] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 58.275860][ T6797] R13: 000000000000002b R14: 000000000000002a R15: 0000000000000100 [ 58.301031][ T6812] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6812 [ 58.310511][ T6812] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.316484][ T6812] CPU: 1 PID: 6812 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 58.324897][ T6812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.335045][ T6812] Call Trace: [ 58.338341][ T6812] dump_stack+0x18f/0x20d [ 58.342655][ T6812] check_preemption_disabled+0x20d/0x220 [ 58.349485][ T6812] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.356110][ T6812] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.361740][ T6812] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.367474][ T6812] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.372766][ T6812] ? ext4_ext_release+0x10/0x10 [ 58.377744][ T6812] ? down_write_killable+0x170/0x170 [ 58.383021][ T6812] ? ext4_es_lookup_extent+0x41d/0xd10 [ 58.388471][ T6812] ext4_map_blocks+0x4cb/0x1640 [ 58.393316][ T6812] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.398498][ T6812] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.404022][ T6812] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.410113][ T6812] ? prandom_u32_state+0xe/0x170 [ 58.415397][ T6812] ? __brelse+0x84/0xa0 [ 58.419530][ T6812] ? __ext4_new_inode+0x144/0x55e0 [ 58.424725][ T6812] ext4_getblk+0xad/0x520 [ 58.429076][ T6812] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.434788][ T6812] ? ext4_free_inode+0x1700/0x1700 [ 58.439891][ T6812] ext4_bread+0x7c/0x380 [ 58.444117][ T6812] ? ext4_getblk+0x520/0x520 [ 58.448689][ T6812] ? dquot_get_next_dqblk+0x180/0x180 [ 58.454853][ T6812] ext4_append+0x153/0x360 [ 58.459264][ T6812] ext4_mkdir+0x5e0/0xdf0 [ 58.463585][ T6812] ? ext4_rmdir+0xde0/0xde0 [ 58.468086][ T6812] ? security_inode_permission+0xc4/0xf0 [ 58.474745][ T6812] vfs_mkdir+0x419/0x690 [ 58.478973][ T6812] do_mkdirat+0x21e/0x280 [ 58.483301][ T6812] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.488140][ T6812] ? do_syscall_64+0x1c/0xe0 [ 58.492711][ T6812] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.498696][ T6812] do_syscall_64+0x60/0xe0 [ 58.503152][ T6812] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.509109][ T6812] RIP: 0033:0x45bee7 [ 58.512999][ T6812] Code: Bad RIP value. [ 58.517043][ T6812] RSP: 002b:00007ffd8abb5fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 58.525449][ T6812] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 58.533413][ T6812] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007ffd8abb6190 [ 58.541460][ T6812] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000003780 [ 58.549446][ T6812] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 58.557491][ T6812] R13: 00007ffd8abb6190 R14: 8421084210842109 R15: 00007ffd8abb619c [ 58.572227][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 58.581535][ T1155] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.587551][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 58.595441][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.605592][ T1155] Call Trace: [ 58.608904][ T1155] dump_stack+0x18f/0x20d [ 58.614154][ T1155] check_preemption_disabled+0x20d/0x220 [ 58.619873][ T1155] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.625074][ T1155] ? ext4_find_extent+0x81a/0xad0 [ 58.630108][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.635572][ T1155] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.641311][ T1155] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.646608][ T1155] ? ext4_ext_release+0x10/0x10 [ 58.651626][ T1155] ? down_write_killable+0x170/0x170 [ 58.656920][ T1155] ? ext4_es_lookup_extent+0x41d/0xd10 [ 58.662393][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 58.667554][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.672100][ T6813] IPVS: ftp: loaded support on port[0] = 21 [ 58.672854][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.684457][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.690546][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 58.696301][ T1155] ext4_writepages+0x1a7b/0x33c0 [ 58.701303][ T1155] ? lock_release+0x7c0/0x800 [ 58.706023][ T1155] ? __ext4_mark_inode_dirty+0x940/0x940 [ 58.711809][ T1155] ? __ext4_mark_inode_dirty+0x940/0x940 [ 58.717454][ T1155] ? do_writepages+0xfa/0x2a0 [ 58.722139][ T1155] do_writepages+0xfa/0x2a0 [ 58.726656][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 58.728058][ T6813] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6813 [ 58.732290][ T1155] ? do_raw_spin_lock+0x120/0x2d0 [ 58.741703][ T6813] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.746637][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 58.746654][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 58.746676][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 58.746691][ T1155] ? collapse_file+0x35a2/0x4330 [ 58.746711][ T1155] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 58.781896][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 58.787435][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.793423][ T1155] collapse_file+0x35ac/0x4330 [ 58.798187][ T1155] ? collapse_huge_page+0x4350/0x4350 [ 58.803715][ T1155] ? khugepaged+0x2506/0x3fc0 [ 58.808750][ T1155] ? xas_find+0x31a/0x880 [ 58.813154][ T1155] ? check_preemption_disabled+0x38/0x220 [ 58.818862][ T1155] khugepaged+0x3041/0x3fc0 [ 58.823369][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 58.828988][ T1155] ? lock_downgrade+0x840/0x840 [ 58.833835][ T1155] ? finish_wait+0x260/0x260 [ 58.838690][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 58.844491][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.850472][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 58.855483][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 58.861102][ T1155] kthread+0x3b5/0x4a0 [ 58.865157][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.870857][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.876574][ T1155] ret_from_fork+0x1f/0x30 [ 58.880985][ T6813] CPU: 1 PID: 6813 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 58.889231][ T6813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.899455][ T6813] Call Trace: [ 58.902751][ T6813] dump_stack+0x18f/0x20d [ 58.907090][ T6813] check_preemption_disabled+0x20d/0x220 [ 58.913000][ T6813] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.918103][ T6813] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.923539][ T6813] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.929242][ T6813] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.934508][ T6813] ? ext4_ext_release+0x10/0x10 [ 58.939356][ T6813] ? down_write_killable+0x170/0x170 [ 58.944615][ T6813] ? ext4_es_lookup_extent+0x41d/0xd10 [ 58.950056][ T6813] ext4_map_blocks+0x4cb/0x1640 [ 58.954886][ T6813] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.960059][ T6813] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.965595][ T6813] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.971548][ T6813] ? prandom_u32_state+0xe/0x170 [ 58.976500][ T6813] ? __brelse+0x84/0xa0 [ 58.980666][ T6813] ? __ext4_new_inode+0x144/0x55e0 [ 58.985791][ T6813] ext4_getblk+0xad/0x520 [ 58.990131][ T6813] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.995863][ T6813] ? ext4_free_inode+0x1700/0x1700 [ 59.000978][ T6813] ext4_bread+0x7c/0x380 [ 59.005396][ T6813] ? ext4_getblk+0x520/0x520 [ 59.009990][ T6813] ? dquot_get_next_dqblk+0x180/0x180 [ 59.015370][ T6813] ext4_append+0x153/0x360 [ 59.019799][ T6813] ext4_mkdir+0x5e0/0xdf0 [ 59.024136][ T6813] ? ext4_rmdir+0xde0/0xde0 [ 59.028635][ T6813] ? security_inode_permission+0xc4/0xf0 [ 59.034252][ T6813] vfs_mkdir+0x419/0x690 [ 59.038488][ T6813] do_mkdirat+0x21e/0x280 [ 59.042799][ T6813] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.047627][ T6813] ? do_syscall_64+0x1c/0xe0 [ 59.052194][ T6813] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.058153][ T6813] do_syscall_64+0x60/0xe0 [ 59.062551][ T6813] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.068419][ T6813] RIP: 0033:0x45bee7 [ 59.072297][ T6813] Code: Bad RIP value. [ 59.076434][ T6813] RSP: 002b:00007ffd8abb5ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 59.084842][ T6813] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 59.092800][ T6813] RDX: 00007ffd8abb5ef3 RSI: 00000000000001ff RDI: 00007ffd8abb5ef0 [ 59.100752][ T6813] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 59.108746][ T6813] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0 [ 59.116706][ T6813] R13: 00007ffd8abb5ee0 R14: 0000000000000000 R15: 00007ffd8abb5ef0 [ 59.163243][ T6813] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6813 [ 59.163375][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 59.172790][ T6813] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.172807][ T6813] CPU: 1 PID: 6813 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.172815][ T6813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.172820][ T6813] Call Trace: [ 59.172838][ T6813] dump_stack+0x18f/0x20d [ 59.172860][ T6813] check_preemption_disabled+0x20d/0x220 [ 59.172875][ T6813] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.172904][ T6813] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.172919][ T6813] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.172943][ T6813] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.172969][ T6813] ? ext4_ext_release+0x10/0x10 [ 59.173002][ T6813] ? down_write_killable+0x170/0x170 [ 59.173015][ T6813] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.173038][ T6813] ext4_map_blocks+0x4cb/0x1640 [ 59.173058][ T6813] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.173082][ T6813] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.182105][ T1155] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.187949][ T6813] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.187961][ T6813] ? prandom_u32_state+0xe/0x170 [ 59.187978][ T6813] ? __brelse+0x84/0xa0 [ 59.187993][ T6813] ? __ext4_new_inode+0x144/0x55e0 [ 59.188012][ T6813] ext4_getblk+0xad/0x520 [ 59.188031][ T6813] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.308968][ T6813] ? ext4_free_inode+0x1700/0x1700 [ 59.314080][ T6813] ext4_bread+0x7c/0x380 [ 59.318314][ T6813] ? ext4_getblk+0x520/0x520 [ 59.322888][ T6813] ? dquot_get_next_dqblk+0x180/0x180 [ 59.328247][ T6813] ext4_append+0x153/0x360 [ 59.332648][ T6813] ext4_mkdir+0x5e0/0xdf0 [ 59.336968][ T6813] ? ext4_rmdir+0xde0/0xde0 [ 59.341464][ T6813] ? security_inode_permission+0xc4/0xf0 [ 59.347123][ T6813] vfs_mkdir+0x419/0x690 [ 59.351355][ T6813] do_mkdirat+0x21e/0x280 [ 59.355678][ T6813] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.360510][ T6813] ? do_syscall_64+0x1c/0xe0 [ 59.365084][ T6813] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.371056][ T6813] do_syscall_64+0x60/0xe0 [ 59.375460][ T6813] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.381349][ T6813] RIP: 0033:0x45bee7 [ 59.385219][ T6813] Code: Bad RIP value. [ 59.390227][ T6813] RSP: 002b:00007ffd8abb5ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 59.398619][ T6813] RAX: ffffffffffffffda RBX: 000000000000e713 RCX: 000000000045bee7 [ 59.408079][ T6813] RDX: 00007ffd8abb5ef3 RSI: 00000000000001ff RDI: 00007ffd8abb5ef0 [ 59.416121][ T6813] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 59.424513][ T6813] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 59.432657][ T6813] R13: 00007ffd8abb5ee0 R14: 000000000000e70c R15: 00007ffd8abb5ef0 [ 59.441674][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 59.449577][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.459671][ T1155] Call Trace: 2020/06/14 05:28:31 building call list... [ 59.462978][ T1155] dump_stack+0x18f/0x20d [ 59.467586][ T1155] check_preemption_disabled+0x20d/0x220 [ 59.473226][ T1155] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.478355][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.483845][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 59.490012][ T1155] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.495345][ T1155] ? ext4_ext_release+0x10/0x10 [ 59.500479][ T1155] ? down_write_killable+0x170/0x170 [ 59.505764][ T1155] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.511233][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 59.516265][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.521495][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.527050][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.533240][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.538718][ T1155] ext4_writepages+0x1a7b/0x33c0 [ 59.543669][ T1155] ? lock_release+0x7c0/0x800 [ 59.548385][ T1155] ? __ext4_mark_inode_dirty+0x940/0x940 [ 59.554081][ T1155] ? __ext4_mark_inode_dirty+0x940/0x940 [ 59.559732][ T1155] ? do_writepages+0xfa/0x2a0 [ 59.564417][ T1155] do_writepages+0xfa/0x2a0 [ 59.568928][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 59.574580][ T1155] ? do_raw_spin_lock+0x120/0x2d0 [ 59.579629][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 59.584835][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 59.589698][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 59.595428][ T1155] ? collapse_file+0x35a2/0x4330 [ 59.600395][ T1155] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 59.606488][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 59.611697][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.617697][ T1155] collapse_file+0x35ac/0x4330 [ 59.622494][ T1155] ? collapse_huge_page+0x4350/0x4350 [ 59.627866][ T1155] ? khugepaged+0x2506/0x3fc0 [ 59.632551][ T1155] ? xas_find+0x31a/0x880 [ 59.636875][ T1155] ? check_preemption_disabled+0x38/0x220 [ 59.642942][ T1155] khugepaged+0x3041/0x3fc0 [ 59.647490][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.653130][ T1155] ? lock_downgrade+0x840/0x840 [ 59.658007][ T1155] ? finish_wait+0x260/0x260 [ 59.662608][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 59.668425][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.674403][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 59.679431][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.685064][ T1155] kthread+0x3b5/0x4a0 [ 59.689129][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.694847][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.700608][ T1155] ret_from_fork+0x1f/0x30 [ 59.735682][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 59.744835][ T1155] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.750773][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 59.758660][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.768721][ T1155] Call Trace: [ 59.772019][ T1155] dump_stack+0x18f/0x20d [ 59.776364][ T1155] check_preemption_disabled+0x20d/0x220 [ 59.782173][ T1155] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.787296][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.792763][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 59.798921][ T1155] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.804220][ T1155] ? ext4_ext_release+0x10/0x10 [ 59.809270][ T1155] ? down_write_killable+0x170/0x170 [ 59.814567][ T1155] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.820037][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 59.824910][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.830124][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.835671][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.841648][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.847137][ T1155] ext4_writepages+0x1a7b/0x33c0 [ 59.852108][ T1155] ? lock_release+0x7c0/0x800 [ 59.856808][ T1155] ? __ext4_mark_inode_dirty+0x940/0x940 [ 59.862468][ T1155] ? __ext4_mark_inode_dirty+0x940/0x940 [ 59.868098][ T1155] ? do_writepages+0xfa/0x2a0 [ 59.872808][ T1155] do_writepages+0xfa/0x2a0 [ 59.877335][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 59.882981][ T1155] ? do_raw_spin_lock+0x120/0x2d0 [ 59.888004][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 59.893614][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 59.898483][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 59.904209][ T1155] ? collapse_file+0x35a2/0x4330 [ 59.909149][ T1155] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 59.915223][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 59.920418][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.926400][ T1155] collapse_file+0x35ac/0x4330 [ 59.931612][ T1155] ? collapse_huge_page+0x4350/0x4350 [ 59.936981][ T1155] ? khugepaged+0x2506/0x3fc0 [ 59.941672][ T1155] ? xas_find+0x31a/0x880 [ 59.946001][ T1155] ? check_preemption_disabled+0x38/0x220 [ 59.951722][ T1155] khugepaged+0x3041/0x3fc0 [ 59.956251][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.961893][ T1155] ? lock_downgrade+0x840/0x840 [ 59.966755][ T1155] ? finish_wait+0x260/0x260 [ 59.971357][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 59.977166][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.983156][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 59.988182][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.993810][ T1155] kthread+0x3b5/0x4a0 [ 59.997885][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.003601][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.009318][ T1155] ret_from_fork+0x1f/0x30 [ 60.244845][ T153] tipc: TX() has been purged, node left! [ 60.747590][ T153] ================================================================== [ 60.755916][ T153] BUG: KASAN: use-after-free in afs_wake_up_async_call+0x6aa/0x770 [ 60.763835][ T153] Write of size 1 at addr ffff8880971351e4 by task kworker/u4:3/153 [ 60.771799][ T153] [ 60.774136][ T153] CPU: 0 PID: 153 Comm: kworker/u4:3 Not tainted 5.7.0-syzkaller #0 [ 60.782102][ T153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.792163][ T153] Workqueue: netns cleanup_net [ 60.796915][ T153] Call Trace: [ 60.800205][ T153] dump_stack+0x18f/0x20d [ 60.804560][ T153] ? afs_wake_up_async_call+0x6aa/0x770 [ 60.810096][ T153] ? afs_wake_up_async_call+0x6aa/0x770 [ 60.816155][ T153] ? afs_put_call+0xa40/0xa40 [ 60.820829][ T153] print_address_description.constprop.0.cold+0xd3/0x413 [ 60.827854][ T153] ? vprintk_func+0x97/0x1a6 [ 60.832552][ T153] ? afs_wake_up_async_call+0x6aa/0x770 [ 60.838094][ T153] kasan_report.cold+0x1f/0x37 [ 60.842857][ T153] ? rcu_read_lock_held+0x81/0xb0 [ 60.847876][ T153] ? afs_wake_up_async_call+0x6aa/0x770 [ 60.853421][ T153] afs_wake_up_async_call+0x6aa/0x770 [ 60.858792][ T153] ? afs_close_socket+0x320/0x320 [ 60.863815][ T153] ? afs_put_call+0xa40/0xa40 [ 60.868489][ T153] rxrpc_notify_socket+0x1db/0x5d0 [ 60.873607][ T153] ? afs_put_call+0xa40/0xa40 [ 60.878283][ T153] __rxrpc_set_call_completion.part.0+0x172/0x410 [ 60.884697][ T153] rxrpc_call_completed+0xca/0xf0 [ 60.889723][ T153] rxrpc_discard_prealloc+0x781/0xab0 [ 60.895097][ T153] ? lock_sock_nested+0x94/0x110 [ 60.900120][ T153] rxrpc_listen+0x147/0x360 [ 60.904635][ T153] afs_close_socket+0x95/0x320 [ 60.904657][ T153] ? afs_purge_servers+0x16d/0x300 [ 60.904673][ T153] ? afs_rx_discard_new_call+0x50/0x50 [ 60.904692][ T153] ? init_wait_var_entry+0x200/0x200 [ 60.904711][ T153] ? rcu_read_lock_held_common+0xa0/0xa0 [ 60.904727][ T153] ? check_preemption_disabled+0x38/0x220 [ 60.904748][ T153] afs_net_exit+0x1bc/0x310 [ 60.904766][ T153] ? afs_net_init+0xe30/0xe30 [ 60.904777][ T153] ops_exit_list.isra.0+0xa8/0x150 [ 60.904795][ T153] cleanup_net+0x511/0xa50 [ 60.956745][ T153] ? unregister_pernet_device+0x70/0x70 [ 60.962289][ T153] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.968274][ T153] process_one_work+0x965/0x1690 [ 60.973231][ T153] ? lock_release+0x800/0x800 [ 60.977991][ T153] ? pwq_dec_nr_in_flight+0x310/0x310 [ 60.983368][ T153] ? rwlock_bug.part.0+0x90/0x90 [ 60.988332][ T153] worker_thread+0x96/0xe10 [ 60.992843][ T153] ? process_one_work+0x1690/0x1690 [ 60.998564][ T153] kthread+0x3b5/0x4a0 [ 61.002626][ T153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.008354][ T153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.014860][ T153] ret_from_fork+0x1f/0x30 [ 61.019282][ T153] [ 61.021603][ T153] Allocated by task 6813: [ 61.025925][ T153] save_stack+0x1b/0x40 [ 61.030078][ T153] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 61.035701][ T153] kmem_cache_alloc_trace+0x153/0x7d0 [ 61.041064][ T153] afs_alloc_call+0x55/0x630 [ 61.045657][ T153] afs_charge_preallocation+0xe9/0x2d0 [ 61.051143][ T153] afs_open_socket+0x292/0x360 [ 61.056512][ T153] afs_net_init+0xa6c/0xe30 [ 61.061009][ T153] ops_init+0xaf/0x420 [ 61.065070][ T153] setup_net+0x2de/0x860 [ 61.069306][ T153] copy_net_ns+0x293/0x590 [ 61.073714][ T153] create_new_namespaces+0x3fb/0xb30 [ 61.078991][ T153] unshare_nsproxy_namespaces+0xbd/0x1f0 [ 61.084616][ T153] ksys_unshare+0x43d/0x8e0 [ 61.089109][ T153] __x64_sys_unshare+0x2d/0x40 [ 61.095190][ T153] do_syscall_64+0x60/0xe0 [ 61.099602][ T153] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.105477][ T153] [ 61.107800][ T153] Freed by task 153: [ 61.111694][ T153] save_stack+0x1b/0x40 [ 61.115842][ T153] __kasan_slab_free+0xf7/0x140 [ 61.120681][ T153] kfree+0x109/0x2b0 [ 61.124566][ T153] afs_put_call+0x585/0xa40 [ 61.129066][ T153] rxrpc_discard_prealloc+0x764/0xab0 [ 61.134429][ T153] rxrpc_listen+0x147/0x360 [ 61.138933][ T153] afs_close_socket+0x95/0x320 [ 61.143691][ T153] afs_net_exit+0x1bc/0x310 [ 61.148183][ T153] ops_exit_list.isra.0+0xa8/0x150 [ 61.153282][ T153] cleanup_net+0x511/0xa50 [ 61.157693][ T153] process_one_work+0x965/0x1690 [ 61.162620][ T153] worker_thread+0x96/0xe10 [ 61.167125][ T153] kthread+0x3b5/0x4a0 [ 61.171206][ T153] ret_from_fork+0x1f/0x30 [ 61.175614][ T153] [ 61.177950][ T153] The buggy address belongs to the object at ffff888097135000 [ 61.177950][ T153] which belongs to the cache kmalloc-1k of size 1024 [ 61.192015][ T153] The buggy address is located 484 bytes inside of [ 61.192015][ T153] 1024-byte region [ffff888097135000, ffff888097135400) [ 61.205546][ T153] The buggy address belongs to the page: [ 61.211181][ T153] page:ffffea00025c4d40 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 [ 61.220286][ T153] flags: 0xfffe0000000200(slab) [ 61.225141][ T153] raw: 00fffe0000000200 ffffea000277bfc8 ffffea00025cc548 ffff8880aa000c40 [ 61.233728][ T153] raw: 0000000000000000 ffff888097135000 0000000100000002 0000000000000000 [ 61.242648][ T153] page dumped because: kasan: bad access detected [ 61.249052][ T153] [ 61.251374][ T153] Memory state around the buggy address: [ 61.256999][ T153] ffff888097135080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 61.265056][ T153] ffff888097135100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 61.273113][ T153] >ffff888097135180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 61.281774][ T153] ^ [ 61.288978][ T153] ffff888097135200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 61.297041][ T153] ffff888097135280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 61.305184][ T153] ================================================================== [ 61.313241][ T153] Disabling lock debugging due to kernel taint [ 61.319455][ T153] Kernel panic - not syncing: panic_on_warn set ... [ 61.326160][ T153] CPU: 0 PID: 153 Comm: kworker/u4:3 Tainted: G B 5.7.0-syzkaller #0 [ 61.335511][ T153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.346807][ T153] Workqueue: netns cleanup_net [ 61.351561][ T153] Call Trace: [ 61.354848][ T153] dump_stack+0x18f/0x20d [ 61.359350][ T153] ? afs_wake_up_async_call+0x5f0/0x770 [ 61.364900][ T153] ? afs_put_call+0xa40/0xa40 [ 61.369593][ T153] panic+0x2e3/0x75c [ 61.373470][ T153] ? __warn_printk+0xf3/0xf3 [ 61.378034][ T153] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 61.384188][ T153] ? trace_hardirqs_on+0x55/0x220 [ 61.389237][ T153] ? afs_wake_up_async_call+0x6aa/0x770 [ 61.394778][ T153] ? afs_wake_up_async_call+0x6aa/0x770 executing program [ 61.400532][ T153] ? afs_put_call+0xa40/0xa40 [ 61.405203][ T153] end_report+0x4d/0x53 [ 61.409350][ T153] kasan_report.cold+0xd/0x37 [ 61.414014][ T153] ? rcu_read_lock_held+0x81/0xb0 [ 61.419030][ T153] ? afs_wake_up_async_call+0x6aa/0x770 [ 61.424570][ T153] afs_wake_up_async_call+0x6aa/0x770 [ 61.429919][ T153] ? afs_close_socket+0x320/0x320 [ 61.434934][ T153] ? afs_put_call+0xa40/0xa40 [ 61.439610][ T153] rxrpc_notify_socket+0x1db/0x5d0 [ 61.445862][ T153] ? afs_put_call+0xa40/0xa40 [ 61.450526][ T153] __rxrpc_set_call_completion.part.0+0x172/0x410 [ 61.456931][ T153] rxrpc_call_completed+0xca/0xf0 [ 61.462721][ T153] rxrpc_discard_prealloc+0x781/0xab0 [ 61.468089][ T153] ? lock_sock_nested+0x94/0x110 [ 61.473528][ T153] rxrpc_listen+0x147/0x360 [ 61.478013][ T153] afs_close_socket+0x95/0x320 [ 61.482769][ T153] ? afs_purge_servers+0x16d/0x300 [ 61.487873][ T153] ? afs_rx_discard_new_call+0x50/0x50 [ 61.493326][ T153] ? init_wait_var_entry+0x200/0x200 [ 61.498867][ T153] ? rcu_read_lock_held_common+0xa0/0xa0 [ 61.504486][ T153] ? check_preemption_disabled+0x38/0x220 [ 61.510277][ T153] afs_net_exit+0x1bc/0x310 [ 61.514766][ T153] ? afs_net_init+0xe30/0xe30 [ 61.519418][ T153] ops_exit_list.isra.0+0xa8/0x150 [ 61.524512][ T153] cleanup_net+0x511/0xa50 [ 61.528928][ T153] ? unregister_pernet_device+0x70/0x70 [ 61.534470][ T153] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.540541][ T153] process_one_work+0x965/0x1690 [ 61.545472][ T153] ? lock_release+0x800/0x800 [ 61.550139][ T153] ? pwq_dec_nr_in_flight+0x310/0x310 [ 61.555486][ T153] ? rwlock_bug.part.0+0x90/0x90 [ 61.560687][ T153] worker_thread+0x96/0xe10 [ 61.565909][ T153] ? process_one_work+0x1690/0x1690 [ 61.571118][ T153] kthread+0x3b5/0x4a0 [ 61.575281][ T153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.581509][ T153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.587232][ T153] ret_from_fork+0x1f/0x30 [ 61.594388][ T153] Kernel Offset: disabled [ 61.599345][ T153] Rebooting in 86400 seconds..