Kernel panic - not syncing: corrupted stack end detected inside scheduler CPU: 0 PID: 3538 Comm: syz-executor.0 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 Hardware name: riscv-virtio,qemu (DT) Call Trace: [] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:113 [] show_stack+0x34/0x40 arch/riscv/kernel/stacktrace.c:119 [] __dump_stack lib/dump_stack.c:88 [inline] [] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:106 [] dump_stack+0x1c/0x24 lib/dump_stack.c:113 [] panic+0x24a/0x634 kernel/panic.c:233 [] schedule_debug kernel/sched/core.c:5541 [inline] [] schedule+0x0/0x14c kernel/sched/core.c:6187 [] preempt_schedule_common+0x4e/0xde kernel/sched/core.c:6462 [] preempt_schedule+0x34/0x36 kernel/sched/core.c:6487 [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] [] _raw_spin_unlock_irqrestore+0x8c/0x98 kernel/locking/spinlock.c:194 [] __debug_check_no_obj_freed lib/debugobjects.c:1002 [inline] [] debug_check_no_obj_freed+0x14c/0x24a lib/debugobjects.c:1023 [] free_pages_prepare mm/page_alloc.c:1358 [inline] [] free_pcp_prepare+0x24e/0x45e mm/page_alloc.c:1404 [] free_unref_page_prepare mm/page_alloc.c:3325 [inline] [] free_unref_page+0x6a/0x31e mm/page_alloc.c:3404 [] free_the_page mm/page_alloc.c:706 [inline] [] __free_pages+0xe2/0x112 mm/page_alloc.c:5474 [] __free_slab+0x122/0x27c mm/slub.c:2028 [] free_slab mm/slub.c:2043 [inline] [] discard_slab+0x4c/0x7a mm/slub.c:2049 [] __unfreeze_partials+0x16a/0x18e mm/slub.c:2536 [] put_cpu_partial+0xf6/0x162 mm/slub.c:2612 [] __slab_free+0x166/0x29c mm/slub.c:3378 [] do_slab_free mm/slub.c:3497 [inline] [] ___cache_free+0x17c/0x354 mm/slub.c:3516 [] qlink_free mm/kasan/quarantine.c:157 [inline] [] qlist_free_all+0x7c/0x132 mm/kasan/quarantine.c:176 [] kasan_quarantine_reduce+0x14c/0x1c8 mm/kasan/quarantine.c:283 [] __kasan_slab_alloc+0x5c/0x98 mm/kasan/common.c:446 [] kasan_slab_alloc include/linux/kasan.h:260 [inline] [] slab_post_alloc_hook mm/slab.h:732 [inline] [] slab_alloc_node mm/slub.c:3230 [inline] [] slab_alloc mm/slub.c:3238 [inline] [] kmem_cache_alloc+0x338/0x3de mm/slub.c:3243 [] __d_alloc+0x3a/0x3e0 fs/dcache.c:1769 [] d_alloc+0x32/0x102 fs/dcache.c:1848 [] d_alloc_parallel+0xe0/0x143c fs/dcache.c:2600 [] __lookup_slow+0x14a/0x306 fs/namei.c:1692 [] lookup_one_len+0x158/0x170 fs/namei.c:2736 [] start_creating.part.0+0x104/0x2b4 fs/debugfs/inode.c:352 [] start_creating fs/debugfs/inode.c:325 [inline] [] __debugfs_create_file+0xae/0x34e fs/debugfs/inode.c:397 [] debugfs_create_file+0x50/0x64 fs/debugfs/inode.c:459 [] debugfs_create_files block/blk-mq-debugfs.c:703 [inline] [] debugfs_create_files+0xac/0xd8 block/blk-mq-debugfs.c:694 [] blk_mq_debugfs_register_hctx+0x116/0x2ee block/blk-mq-debugfs.c:767 [] blk_mq_debugfs_register+0x162/0x254 block/blk-mq-debugfs.c:725 [] blk_register_queue+0x166/0x30a block/blk-sysfs.c:868 [] device_add_disk+0x4a4/0x772 block/genhd.c:497 [] add_disk include/linux/genhd.h:169 [inline] [] loop_add+0x47a/0x524 drivers/block/loop.c:2047 [] loop_control_ioctl+0x158/0x440 drivers/block/loop.c:2168 [] vfs_ioctl fs/ioctl.c:51 [inline] [] __do_sys_ioctl fs/ioctl.c:874 [inline] [] sys_ioctl+0x75c/0x139e fs/ioctl.c:860 [] ret_from_syscall+0x0/0x2 SMP: stopping secondary CPUs Rebooting in 86400 seconds..