====================================== | xx__-> [ 208.212977][ T58] ================================================================== | [ 208.213346][ T58] BUG: KASAN: slab-use-after-free in page_pool_release_retry (net/core/page_pool.c:1117) | [ 208.213624][ T58] Read of size 8 at addr ffff88801050d6e0 by task kworker/1:1/58 | [ 208.213888][ T58] [ 208.213991][ T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 208.213996][ T58] Workqueue: events page_pool_release_retry [ 208.214004][ T58] Call Trace: [ 208.214006][ T58] [ 208.214009][ T58] dump_stack_lvl (lib/dump_stack.c:123) [ 208.214020][ T58] print_address_description.constprop.0 (mm/kasan/report.c:379) [ 208.214030][ T58] ? page_pool_release_retry (net/core/page_pool.c:1117) [ 208.214036][ T58] print_report (mm/kasan/report.c:490) [ 208.214042][ T58] ? kasan_addr_to_slab (./include/linux/mm.h:1295 mm/kasan/../slab.h:211 mm/kasan/common.c:38) [ 208.214048][ T58] kasan_report (mm/kasan/report.c:604) [ 208.214055][ T58] ? page_pool_release_retry (net/core/page_pool.c:1117) [ 208.214065][ T58] page_pool_release_retry (net/core/page_pool.c:1117) [ 208.214073][ T58] process_one_work (kernel/workqueue.c:3236) [ 208.214083][ T58] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 208.214090][ T58] ? __pfx_process_one_work (kernel/workqueue.c:3138) [ 208.214100][ T58] ? assign_work (kernel/workqueue.c:1200) [ 208.214107][ T58] worker_thread (kernel/workqueue.c:3311 kernel/workqueue.c:3398) [ 208.214110][ T58] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) [ 208.214116][ T58] ? __pfx_worker_thread (kernel/workqueue.c:3344) [ 208.214119][ T58] kthread (kernel/kthread.c:464) [ 208.214124][ T58] ? __pfx_kthread (kernel/kthread.c:413) [ 208.214130][ T58] ? __pfx_kthread (kernel/kthread.c:413) [ 208.214134][ T58] ret_from_fork (arch/x86/kernel/process.c:148) [ 208.214139][ T58] ? __pfx_kthread (kernel/kthread.c:413) Finger prints: print_report:kasan_report:page_pool_release_retry:process_one_work:worker_thread