Started in network mode Own node identity ac1414aa, cluster identity 4711 New replicast peer: 172.20.20.187 Enabled bearer , priority 10 ===================================== WARNING: bad unlock balance detected! 5.0.0-rc5 #59 Not tainted ------------------------------------- Enabling of bearer rejected, already enabled kworker/1:3/7754 is trying to release lock ( ================================================================== BUG: KASAN: slab-out-of-bounds in print_unlock_imbalance_bug kernel/locking/lockdep.c:3383 [inline] BUG: KASAN: slab-out-of-bounds in print_unlock_imbalance_bug.cold+0x97/0x123 kernel/locking/lockdep.c:3368 kobject: 'loop3' (00000000530598ed): kobject_uevent_env Read of size 8 at addr ffff88821643f24c by task kworker/1:3/7754 CPU: 1 PID: 7754 Comm: kworker/1:3 Not tainted 5.0.0-rc5 #59 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: addrconf_dad_work (ipv6_addrconf) kobject: 'loop3' (00000000530598ed): fill_kobj_path: path = '/devices/virtual/block/loop3' Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 print_address_description.cold+0x7c/0x20d mm/kasan/report.c:187 kasan_report.cold+0x1b/0x40 mm/kasan/report.c:317 Started in network mode Own node identity ac1414aa, cluster identity 4711 __asan_report_load8_noabort+0x14/0x20 mm/kasan/generic_report.c:135 print_unlock_imbalance_bug kernel/locking/lockdep.c:3383 [inline] print_unlock_imbalance_bug.cold+0x97/0x123 kernel/locking/lockdep.c:3368 __lock_release kernel/locking/lockdep.c:3601 [inline] lock_release+0x67e/0xa00 kernel/locking/lockdep.c:3860 New replicast peer: 172.20.20.187 process_one_work+0xa47/0x1790 kernel/workqueue.c:2180 worker_thread+0x98/0xe40 kernel/workqueue.c:2319 kthread+0x357/0x430 kernel/kthread.c:246 Enabled bearer , priority 10 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Enabling of bearer rejected, already enabled Allocated by task 1: save_stack+0x45/0xd0 mm/kasan/common.c:73 set_track mm/kasan/common.c:85 [inline] __kasan_kmalloc mm/kasan/common.c:496 [inline] __kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:469 kasan_kmalloc+0x9/0x10 mm/kasan/common.c:504 kmem_cache_alloc_trace+0x151/0x760 mm/slab.c:3609 kmalloc include/linux/slab.h:545 [inline] kzalloc include/linux/slab.h:740 [inline] __alloc_workqueue_key+0x79c/0xe00 kernel/workqueue.c:4099 addrconf_init+0x9a/0x3b1 net/ipv6/addrconf.c:6905 inet6_init+0x36c/0x6e1 net/ipv6/af_inet6.c:1022 do_one_initcall+0x109/0x796 init/main.c:888 Started in network mode do_initcall_level init/main.c:956 [inline] do_initcalls init/main.c:964 [inline] do_basic_setup init/main.c:982 [inline] kernel_init_freeable+0x4d5/0x5c4 init/main.c:1135 kernel_init+0x12/0x1c5 init/main.c:1055 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Own node identity ac1414aa, cluster identity 4711 Freed by task 0: (stack is not available) The buggy address belongs to the object at ffff88821643f040 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 12 bytes to the right of 512-byte region [ffff88821643f040, ffff88821643f240) The buggy address belongs to the page: New replicast peer: 172.20.20.187 page:ffffea0008590fc0 count:1 mapcount:0 mapping:ffff88812c3f0940 index:0xffff88821643f2c0 flags: 0x6fffc0000000200(slab) raw: 06fffc0000000200 ffffea0008598808 ffffea0008590c08 ffff88812c3f0940 raw: ffff88821643f2c0 ffff88821643f040 0000000100000004 0000000000000000 Enabled bearer , priority 10 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88821643f100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88821643f180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff88821643f200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff88821643f280: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb ffff88821643f300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================