Kernel panic - not syncing: corrupted stack end detected inside scheduler CPU: 0 PID: 3098 Comm: kworker/u4:1 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 Hardware name: riscv-virtio,qemu (DT) Workqueue: loop0 loop_workfn 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 [] __mutex_lock_common kernel/locking/mutex.c:608 [inline] [] __mutex_lock+0x7c6/0xade kernel/locking/mutex.c:733 [] mutex_lock_nested+0x14/0x1c kernel/locking/mutex.c:785 [] ext4_mb_group_or_file fs/ext4/mballoc.c:5176 [inline] [] ext4_mb_initialize_context+0x468/0x588 fs/ext4/mballoc.c:5219 [] ext4_mb_new_blocks+0x47e/0x3228 fs/ext4/mballoc.c:5565 [] ext4_ext_map_blocks+0x1930/0x3e86 fs/ext4/extents.c:4282 [] ext4_map_blocks+0x4fe/0xe64 fs/ext4/inode.c:638 [] ext4_iomap_alloc fs/ext4/inode.c:3354 [inline] [] ext4_iomap_begin+0x370/0x56e fs/ext4/inode.c:3404 [] iomap_iter+0x3be/0xcf6 fs/iomap/iter.c:74 [] __iomap_dio_rw+0x4a2/0x121a fs/iomap/direct-io.c:589 [] iomap_dio_rw+0x38/0x94 fs/iomap/direct-io.c:680 [] ext4_dio_write_iter fs/ext4/file.c:564 [inline] [] ext4_file_write_iter+0xa3c/0xda2 fs/ext4/file.c:675 [] call_write_iter include/linux/fs.h:2074 [inline] [] lo_rw_aio+0x57a/0x6c0 drivers/block/loop.c:451 [] do_req_filebacked drivers/block/loop.c:497 [inline] [] loop_handle_cmd drivers/block/loop.c:1853 [inline] [] loop_process_work+0x838/0x176e drivers/block/loop.c:1893 [] loop_workfn+0x2e/0x38 drivers/block/loop.c:1917 [] process_one_work+0x654/0xffe kernel/workqueue.c:2307 [] worker_thread+0x360/0x8fa kernel/workqueue.c:2454 [] kthread+0x19e/0x1fa kernel/kthread.c:377 [] ret_from_exception+0x0/0x10 SMP: stopping secondary CPUs Rebooting in 86400 seconds..