Warning: Permanently added '10.128.1.53' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 465.900102] ================================================================== [ 465.907498] BUG: KASAN: use-after-free in __lock_acquire+0x2c57/0x3f20 [ 465.914160] Read of size 8 at addr ffff8880ac0e9768 by task loop2/10389 [ 465.920897] [ 465.922556] CPU: 1 PID: 10389 Comm: loop2 Not tainted 4.14.262-syzkaller #0 [ 465.929629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 465.938958] Call Trace: [ 465.941522] dump_stack+0x1b2/0x281 [ 465.945126] print_address_description.cold+0x54/0x1d3 [ 465.950377] kasan_report_error.cold+0x8a/0x191 [ 465.955023] ? __lock_acquire+0x2c57/0x3f20 [ 465.959322] __asan_report_load8_noabort+0x68/0x70 [ 465.964245] ? assoc_array_gc+0x10d0/0x1110 [ 465.968540] ? __lock_acquire+0x2c57/0x3f20 [ 465.972841] __lock_acquire+0x2c57/0x3f20 [ 465.976964] ? kasan_slab_free+0x12d/0x1a0 [ 465.981187] ? kasan_slab_free+0xc3/0x1a0 [ 465.985312] ? kmem_cache_free+0x7c/0x2b0 [ 465.989436] ? mempool_free+0xcf/0x1d0 [ 465.993308] ? bio_free+0x11f/0x1a0 [ 465.997003] ? bio_put+0x59/0x70 [ 466.000343] ? lbmIODone+0xca/0xe00 [ 466.003947] ? bio_endio+0x290/0x690 [ 466.007638] ? blk_update_request+0x2d0/0xa90 [ 466.012106] ? blk_mq_end_request+0x4c/0x1e0 [ 466.016498] ? trace_hardirqs_on+0x10/0x10 [ 466.020722] ? kthread_worker_fn+0x271/0x6c0 [ 466.025106] ? kthread+0x30d/0x420 [ 466.028637] ? ret_from_fork+0x24/0x30 [ 466.032502] ? lock_acquire+0x170/0x3f0 [ 466.036451] ? lock_downgrade+0x740/0x740 [ 466.040575] ? current_time+0x89/0xb0 [ 466.044364] lock_acquire+0x170/0x3f0 [ 466.048148] ? __wake_up_common_lock+0x9d/0x140 [ 466.052791] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 466.057520] _raw_spin_lock_irqsave+0x8c/0xc0 [ 466.061992] ? __wake_up_common_lock+0x9d/0x140 [ 466.066639] __wake_up_common_lock+0x9d/0x140 [ 466.071113] ? __wake_up_common+0x5d0/0x5d0 [ 466.075415] ? _raw_spin_unlock_irqrestore+0xa3/0xe0 [ 466.080511] lbmIODone+0x3c6/0xe00 [ 466.084035] ? lock_acquire+0x170/0x3f0 [ 466.087984] ? lock_downgrade+0x740/0x740 [ 466.092106] ? lbmFree+0x100/0x100 [ 466.095622] bio_endio+0x290/0x690 [ 466.099141] ? blk_account_io_completion.part.0+0x28c/0x3a0 [ 466.104825] blk_update_request+0x2d0/0xa90 [ 466.109122] blk_mq_end_request+0x4c/0x1e0 [ 466.113333] __blk_mq_complete_request+0x30b/0x6c0 [ 466.118237] blk_mq_complete_request+0x52/0x60 [ 466.122794] loop_queue_work+0x228/0x21e0 [ 466.126920] ? finish_task_switch+0x178/0x610 [ 466.131387] ? finish_task_switch+0x14d/0x610 [ 466.135854] ? switch_mm_irqs_off+0x2d2/0xeb0 [ 466.140326] ? lo_fallocate.isra.0+0x120/0x120 [ 466.144886] ? __schedule+0x893/0x1de0 [ 466.148749] ? lock_acquire+0x170/0x3f0 [ 466.152696] ? _raw_spin_unlock_irq+0x24/0x80 [ 466.157165] kthread_worker_fn+0x271/0x6c0 [ 466.161378] ? __kthread_init_worker+0xf0/0xf0 [ 466.165938] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 466.171030] ? loop_get_status64+0x100/0x100 [ 466.175425] kthread+0x30d/0x420 [ 466.178778] ? kthread_create_on_node+0xd0/0xd0 [ 466.183432] ret_from_fork+0x24/0x30 [ 466.187120] [ 466.188726] Allocated by task 10382: [ 466.192421] kasan_kmalloc+0xeb/0x160 [ 466.196195] kmem_cache_alloc_trace+0x131/0x3d0 [ 466.200846] lmLogInit+0x2f1/0x1300 [ 466.204446] lmLogOpen+0x6b1/0x10e0 [ 466.208047] jfs_mount_rw+0x236/0x430 [ 466.211911] jfs_fill_super+0x78a/0xab0 [ 466.215858] mount_bdev+0x2b3/0x360 [ 466.219457] mount_fs+0x92/0x2a0 [ 466.222810] vfs_kern_mount.part.0+0x5b/0x470 [ 466.227286] do_mount+0xe65/0x2a10 [ 466.230825] SyS_mount+0xa8/0x120 [ 466.234262] do_syscall_64+0x1d5/0x640 [ 466.238133] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 466.243294] [ 466.244898] Freed by task 10382: [ 466.248244] kasan_slab_free+0xc3/0x1a0 [ 466.252197] kfree+0xc9/0x250 [ 466.255278] lmLogInit+0xeaf/0x1300 [ 466.258880] lmLogOpen+0x6b1/0x10e0 [ 466.262488] jfs_mount_rw+0x236/0x430 [ 466.266299] jfs_fill_super+0x78a/0xab0 [ 466.270248] mount_bdev+0x2b3/0x360 [ 466.274286] mount_fs+0x92/0x2a0 [ 466.277630] vfs_kern_mount.part.0+0x5b/0x470 [ 466.282100] do_mount+0xe65/0x2a10 [ 466.285614] SyS_mount+0xa8/0x120 [ 466.289042] do_syscall_64+0x1d5/0x640 [ 466.292907] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 466.298069] [ 466.299676] The buggy address belongs to the object at ffff8880ac0e9700 [ 466.299676] which belongs to the cache kmalloc-192 of size 192 [ 466.312401] The buggy address is located 104 bytes inside of [ 466.312401] 192-byte region [ffff8880ac0e9700, ffff8880ac0e97c0) [ 466.324248] The buggy address belongs to the page: [ 466.329152] page:ffffea0002b03a40 count:1 mapcount:0 mapping:ffff8880ac0e9000 index:0x0 [ 466.337264] flags: 0xfff00000000100(slab) [ 466.341387] raw: 00fff00000000100 ffff8880ac0e9000 0000000000000000 0000000100000010 [ 466.349242] raw: ffffea0002767ea0 ffffea0002aad020 ffff88813fe74040 0000000000000000 [ 466.357094] page dumped because: kasan: bad access detected [ 466.362773] [ 466.364380] Memory state around the buggy address: [ 466.369282] ffff8880ac0e9600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 466.376620] ffff8880ac0e9680: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 466.383957] >ffff8880ac0e9700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 466.391301] ^ [ 466.398029] ffff8880ac0e9780: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 466.405360] ffff8880ac0e9800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 466.412690] ================================================================== [ 466.420026] Disabling lock debugging due to kernel taint [ 466.425454] Kernel panic - not syncing: panic_on_warn set ... [ 466.425454] [ 466.432797] CPU: 1 PID: 10389 Comm: loop2 Tainted: G B 4.14.262-syzkaller #0 [ 466.441137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 466.450466] Call Trace: [ 466.453036] dump_stack+0x1b2/0x281 [ 466.456642] panic+0x1f9/0x42d [ 466.459833] ? add_taint.cold+0x16/0x16 [ 466.463792] ? lock_downgrade+0x740/0x740 [ 466.467915] kasan_end_report+0x43/0x49 [ 466.471865] kasan_report_error.cold+0xa7/0x191 [ 466.476510] ? __lock_acquire+0x2c57/0x3f20 [ 466.480812] __asan_report_load8_noabort+0x68/0x70 [ 466.485719] ? assoc_array_gc+0x10d0/0x1110 [ 466.490013] ? __lock_acquire+0x2c57/0x3f20 [ 466.494307] __lock_acquire+0x2c57/0x3f20 [ 466.498428] ? kasan_slab_free+0x12d/0x1a0 [ 466.502637] ? kasan_slab_free+0xc3/0x1a0 [ 466.506760] ? kmem_cache_free+0x7c/0x2b0 [ 466.510881] ? mempool_free+0xcf/0x1d0 [ 466.514742] ? bio_free+0x11f/0x1a0 [ 466.518340] ? bio_put+0x59/0x70 [ 466.521680] ? lbmIODone+0xca/0xe00 [ 466.525281] ? bio_endio+0x290/0x690 [ 466.528973] ? blk_update_request+0x2d0/0xa90 [ 466.533444] ? blk_mq_end_request+0x4c/0x1e0 [ 466.537828] ? trace_hardirqs_on+0x10/0x10 [ 466.542123] ? kthread_worker_fn+0x271/0x6c0 [ 466.546504] ? kthread+0x30d/0x420 [ 466.550022] ? ret_from_fork+0x24/0x30 [ 466.553888] ? lock_acquire+0x170/0x3f0 [ 466.557837] ? lock_downgrade+0x740/0x740 [ 466.561962] ? current_time+0x89/0xb0 [ 466.565736] lock_acquire+0x170/0x3f0 [ 466.569535] ? __wake_up_common_lock+0x9d/0x140 [ 466.574182] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 466.578914] _raw_spin_lock_irqsave+0x8c/0xc0 [ 466.583389] ? __wake_up_common_lock+0x9d/0x140 [ 466.588035] __wake_up_common_lock+0x9d/0x140 [ 466.592505] ? __wake_up_common+0x5d0/0x5d0 [ 466.596802] ? _raw_spin_unlock_irqrestore+0xa3/0xe0 [ 466.601886] lbmIODone+0x3c6/0xe00 [ 466.605410] ? lock_acquire+0x170/0x3f0 [ 466.609356] ? lock_downgrade+0x740/0x740 [ 466.613477] ? lbmFree+0x100/0x100 [ 466.616991] bio_endio+0x290/0x690 [ 466.620505] ? blk_account_io_completion.part.0+0x28c/0x3a0 [ 466.626192] blk_update_request+0x2d0/0xa90 [ 466.630488] blk_mq_end_request+0x4c/0x1e0 [ 466.634700] __blk_mq_complete_request+0x30b/0x6c0 [ 466.639605] blk_mq_complete_request+0x52/0x60 [ 466.644163] loop_queue_work+0x228/0x21e0 [ 466.648290] ? finish_task_switch+0x178/0x610 [ 466.652762] ? finish_task_switch+0x14d/0x610 [ 466.657236] ? switch_mm_irqs_off+0x2d2/0xeb0 [ 466.661709] ? lo_fallocate.isra.0+0x120/0x120 [ 466.666267] ? __schedule+0x893/0x1de0 [ 466.670134] ? lock_acquire+0x170/0x3f0 [ 466.674083] ? _raw_spin_unlock_irq+0x24/0x80 [ 466.678552] kthread_worker_fn+0x271/0x6c0 [ 466.682760] ? __kthread_init_worker+0xf0/0xf0 [ 466.687337] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 466.692418] ? loop_get_status64+0x100/0x100 [ 466.696802] kthread+0x30d/0x420 [ 466.700144] ? kthread_create_on_node+0xd0/0xd0 [ 466.704795] ret_from_fork+0x24/0x30 [ 466.708745] Kernel Offset: disabled [ 466.712349] Rebooting in 86400 seconds..