syzbot

kmalloc-96              2568KB       2568KB
kmem_cache_node          221KB        224KB
kmem_cache               195KB        195KB
Out of memory and no killable processes...
Kernel panic - not syncing: System is deadlocked on memory
CPU: 2 UID: 0 PID: 25 Comm: kworker/2:0 Not tainted 6.11.0-rc5-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: events rht_deferred_worker
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x3d/0x1f0 lib/dump_stack.c:119
 panic+0x6dc/0x7c0 kernel/panic.c:354
 out_of_memory+0x15de/0x16b0 mm/oom_kill.c:1170
 __alloc_pages_may_oom mm/page_alloc.c:3609 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4371 [inline]
 __alloc_pages_noprof+0x1d89/0x2460 mm/page_alloc.c:4708
 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:296 [inline]
 alloc_slab_page+0x4e/0xf0 mm/slub.c:2321
 allocate_slab mm/slub.c:2492 [inline]
 new_slab+0x234/0x260 mm/slub.c:2537
 ___slab_alloc+0xdac/0x1870 mm/slub.c:3723
 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3813
 __slab_alloc_node mm/slub.c:3866 [inline]
 slab_alloc_node mm/slub.c:4025 [inline]
 __do_kmalloc_node mm/slub.c:4157 [inline]
 __kmalloc_node_noprof+0x367/0x440 mm/slub.c:4164
 __kvmalloc_node_noprof+0x9d/0x1a0 mm/util.c:650
 bucket_table_alloc.isra.0+0x86/0x470 lib/rhashtable.c:186
 rhashtable_rehash_alloc+0x68/0x120 lib/rhashtable.c:367
 rhashtable_shrink lib/rhashtable.c:411 [inline]
 rht_deferred_worker+0x1882/0x1fd0 lib/rhashtable.c:429
 process_one_work+0x958/0x1ad0 kernel/workqueue.c:3231
 process_scheduled_works kernel/workqueue.c:3312 [inline]
 worker_thread+0x6c8/0xed0 kernel/workqueue.c:3389
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..