Warning: Permanently added '10.128.10.36' (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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 305.331701] ================================================================== [ 305.339090] BUG: KASAN: use-after-free in __lock_acquire+0x2cb4/0x3ff0 [ 305.345761] Read of size 8 at addr ffff8880b2ecbf68 by task loop0/18407 [ 305.352510] [ 305.354144] CPU: 1 PID: 18407 Comm: loop0 Not tainted 4.19.211-syzkaller #0 [ 305.361236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.370579] Call Trace: [ 305.373155] dump_stack+0x1fc/0x2ef [ 305.376863] print_address_description.cold+0x54/0x219 [ 305.382146] kasan_report_error.cold+0x8a/0x1b9 [ 305.386809] ? __lock_acquire+0x2cb4/0x3ff0 [ 305.391117] __asan_report_load8_noabort+0x88/0x90 [ 305.396034] ? __lock_acquire+0x2cb4/0x3ff0 [ 305.400339] __lock_acquire+0x2cb4/0x3ff0 [ 305.404485] ? trace_hardirqs_off+0x64/0x200 [ 305.408881] ? __kasan_slab_free+0x186/0x1f0 [ 305.413273] ? kmem_cache_free+0x7f/0x260 [ 305.417413] ? mempool_free+0xe3/0x370 [ 305.421282] ? bio_free+0xee/0x140 [ 305.424809] ? mark_held_locks+0xf0/0xf0 [ 305.428862] ? blk_update_request+0x30f/0xaf0 [ 305.433343] ? blk_mq_end_request+0x4a/0x340 [ 305.437734] ? lo_complete_rq+0x201/0x2d0 [ 305.441867] ? blk_mq_complete_request+0x472/0x660 [ 305.446783] ? loop_queue_work+0x274/0x20c0 [ 305.451083] ? kthread_worker_fn+0x292/0x730 [ 305.455469] ? kthread+0x33f/0x460 [ 305.458991] ? ret_from_fork+0x24/0x30 [ 305.462864] ? debug_check_no_obj_freed+0x201/0x490 [ 305.467863] ? lock_downgrade+0x720/0x720 [ 305.472001] ? lock_acquire+0x170/0x3c0 [ 305.475973] lock_acquire+0x170/0x3c0 [ 305.479761] ? __wake_up_common_lock+0xb0/0x170 [ 305.484418] _raw_spin_lock_irqsave+0x8c/0xc0 [ 305.488901] ? __wake_up_common_lock+0xb0/0x170 [ 305.493551] __wake_up_common_lock+0xb0/0x170 [ 305.498029] ? __wake_up_common+0x650/0x650 [ 305.502332] ? _raw_spin_unlock_irqrestore+0xa3/0xe0 [ 305.507415] lbmIODone+0x44b/0xf40 [ 305.510938] ? lock_downgrade+0x720/0x720 [ 305.515065] ? lock_acquire+0x170/0x3c0 [ 305.519022] ? scale_cookie_change.isra.0+0x380/0x380 [ 305.524190] ? lbmFree+0x100/0x100 [ 305.527712] bio_endio+0x488/0x830 [ 305.531237] blk_update_request+0x30f/0xaf0 [ 305.535544] blk_mq_end_request+0x4a/0x340 [ 305.539775] lo_complete_rq+0x201/0x2d0 [ 305.543733] blk_mq_complete_request+0x472/0x660 [ 305.548818] loop_queue_work+0x274/0x20c0 [ 305.552974] ? finish_task_switch+0x118/0x760 [ 305.557453] ? switch_mm_irqs_off+0x2e5/0x1340 [ 305.562022] ? lo_fallocate.isra.0+0x170/0x170 [ 305.566671] ? kthread_worker_fn+0x217/0x730 [ 305.571060] ? kthread_worker_fn+0x3e4/0x730 [ 305.575464] ? _raw_spin_unlock_irq+0x24/0x80 [ 305.580035] kthread_worker_fn+0x292/0x730 [ 305.584255] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 305.588830] ? __kthread_init_worker+0xf0/0xf0 [ 305.593394] ? __kthread_parkme+0x133/0x1e0 [ 305.597708] ? loop_info64_to_compat+0x5e0/0x5e0 [ 305.602446] kthread+0x33f/0x460 [ 305.605795] ? kthread_park+0x180/0x180 [ 305.609757] ret_from_fork+0x24/0x30 [ 305.613474] [ 305.615080] Allocated by task 18398: [ 305.618786] kmem_cache_alloc_trace+0x12f/0x380 [ 305.623445] lmLogInit+0x301/0x13e0 [ 305.627057] lmLogOpen+0x718/0x11e0 [ 305.630664] jfs_mount_rw+0x286/0x4b0 [ 305.634444] jfs_fill_super+0x814/0xb50 [ 305.638396] mount_bdev+0x2fc/0x3b0 [ 305.642013] mount_fs+0xa3/0x310 [ 305.645363] vfs_kern_mount.part.0+0x68/0x470 [ 305.649839] do_mount+0x115c/0x2f50 [ 305.653446] ksys_mount+0xcf/0x130 [ 305.656966] __x64_sys_mount+0xba/0x150 [ 305.660919] do_syscall_64+0xf9/0x620 [ 305.664711] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 305.669916] [ 305.671521] Freed by task 18398: [ 305.674877] kfree+0xcc/0x210 [ 305.677967] lmLogInit+0xf7a/0x13e0 [ 305.681583] lmLogOpen+0x718/0x11e0 [ 305.685194] jfs_mount_rw+0x286/0x4b0 [ 305.688976] jfs_fill_super+0x814/0xb50 [ 305.692937] mount_bdev+0x2fc/0x3b0 [ 305.696542] mount_fs+0xa3/0x310 [ 305.699891] vfs_kern_mount.part.0+0x68/0x470 [ 305.704364] do_mount+0x115c/0x2f50 [ 305.707981] ksys_mount+0xcf/0x130 [ 305.711503] __x64_sys_mount+0xba/0x150 [ 305.715459] do_syscall_64+0xf9/0x620 [ 305.719244] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 305.724420] [ 305.726028] The buggy address belongs to the object at ffff8880b2ecbf00 [ 305.726028] which belongs to the cache kmalloc-192 of size 192 [ 305.738674] The buggy address is located 104 bytes inside of [ 305.738674] 192-byte region [ffff8880b2ecbf00, ffff8880b2ecbfc0) [ 305.750536] The buggy address belongs to the page: [ 305.755445] page:ffffea0002cbb2c0 count:1 mapcount:0 mapping:ffff88813bff0040 index:0x0 [ 305.763567] flags: 0xfff00000000100(slab) [ 305.767707] raw: 00fff00000000100 ffffea0002b0b648 ffffea00029f9508 ffff88813bff0040 [ 305.775572] raw: 0000000000000000 ffff8880b2ecb000 0000000100000010 0000000000000000 [ 305.783426] page dumped because: kasan: bad access detected [ 305.789108] [ 305.790713] Memory state around the buggy address: [ 305.795621] ffff8880b2ecbe00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 305.802963] ffff8880b2ecbe80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 305.810325] >ffff8880b2ecbf00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 305.817665] ^ [ 305.824402] ffff8880b2ecbf80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 305.831746] ffff8880b2ecc000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 305.839081] ================================================================== [ 305.846501] Disabling lock debugging due to kernel taint [ 305.851932] Kernel panic - not syncing: panic_on_warn set ... [ 305.851932] [ 305.859278] CPU: 1 PID: 18407 Comm: loop0 Tainted: G B 4.19.211-syzkaller #0 [ 305.867742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.877071] Call Trace: [ 305.879648] dump_stack+0x1fc/0x2ef [ 305.883258] panic+0x26a/0x50e [ 305.886434] ? __warn_printk+0xf3/0xf3 [ 305.890309] ? lock_downgrade+0x720/0x720 [ 305.894440] ? print_shadow_for_address+0xb8/0x114 [ 305.899356] ? trace_hardirqs_off+0x64/0x200 [ 305.903751] kasan_end_report+0x43/0x49 [ 305.907714] kasan_report_error.cold+0xa7/0x1b9 [ 305.912379] ? __lock_acquire+0x2cb4/0x3ff0 [ 305.916699] __asan_report_load8_noabort+0x88/0x90 [ 305.921648] ? __lock_acquire+0x2cb4/0x3ff0 [ 305.925955] __lock_acquire+0x2cb4/0x3ff0 [ 305.930106] ? trace_hardirqs_off+0x64/0x200 [ 305.934509] ? __kasan_slab_free+0x186/0x1f0 [ 305.938901] ? kmem_cache_free+0x7f/0x260 [ 305.943029] ? mempool_free+0xe3/0x370 [ 305.946897] ? bio_free+0xee/0x140 [ 305.950422] ? mark_held_locks+0xf0/0xf0 [ 305.954466] ? blk_update_request+0x30f/0xaf0 [ 305.958944] ? blk_mq_end_request+0x4a/0x340 [ 305.963340] ? lo_complete_rq+0x201/0x2d0 [ 305.967485] ? blk_mq_complete_request+0x472/0x660 [ 305.972400] ? loop_queue_work+0x274/0x20c0 [ 305.976714] ? kthread_worker_fn+0x292/0x730 [ 305.981106] ? kthread+0x33f/0x460 [ 305.984631] ? ret_from_fork+0x24/0x30 [ 305.988505] ? debug_check_no_obj_freed+0x201/0x490 [ 305.993506] ? lock_downgrade+0x720/0x720 [ 305.997636] ? lock_acquire+0x170/0x3c0 [ 306.001594] lock_acquire+0x170/0x3c0 [ 306.005379] ? __wake_up_common_lock+0xb0/0x170 [ 306.010050] _raw_spin_lock_irqsave+0x8c/0xc0 [ 306.014539] ? __wake_up_common_lock+0xb0/0x170 [ 306.019193] __wake_up_common_lock+0xb0/0x170 [ 306.023674] ? __wake_up_common+0x650/0x650 [ 306.027982] ? _raw_spin_unlock_irqrestore+0xa3/0xe0 [ 306.033094] lbmIODone+0x44b/0xf40 [ 306.036622] ? lock_downgrade+0x720/0x720 [ 306.040759] ? lock_acquire+0x170/0x3c0 [ 306.044736] ? scale_cookie_change.isra.0+0x380/0x380 [ 306.050427] ? lbmFree+0x100/0x100 [ 306.053949] bio_endio+0x488/0x830 [ 306.057478] blk_update_request+0x30f/0xaf0 [ 306.061785] blk_mq_end_request+0x4a/0x340 [ 306.066004] lo_complete_rq+0x201/0x2d0 [ 306.069967] blk_mq_complete_request+0x472/0x660 [ 306.074812] loop_queue_work+0x274/0x20c0 [ 306.078954] ? finish_task_switch+0x118/0x760 [ 306.083434] ? switch_mm_irqs_off+0x2e5/0x1340 [ 306.088000] ? lo_fallocate.isra.0+0x170/0x170 [ 306.092655] ? kthread_worker_fn+0x217/0x730 [ 306.097059] ? kthread_worker_fn+0x3e4/0x730 [ 306.101451] ? _raw_spin_unlock_irq+0x24/0x80 [ 306.105971] kthread_worker_fn+0x292/0x730 [ 306.110190] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 306.114751] ? __kthread_init_worker+0xf0/0xf0 [ 306.119313] ? __kthread_parkme+0x133/0x1e0 [ 306.123617] ? loop_info64_to_compat+0x5e0/0x5e0 [ 306.128355] kthread+0x33f/0x460 [ 306.131703] ? kthread_park+0x180/0x180 [ 306.135674] ret_from_fork+0x24/0x30 [ 306.139425] Kernel Offset: disabled [ 306.143035] Rebooting in 86400 seconds..