Kernel panic - not syncing: corrupted stack end detected inside scheduler CPU: 0 PID: 3829 Comm: syz-executor.1 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 include/linux/spinlock_api_smp.h:143 [inline] [] _raw_spin_unlock+0x60/0x6a kernel/locking/spinlock.c:186 [] spin_unlock include/linux/spinlock.h:389 [inline] [] ext4_do_update_inode fs/ext4/inode.c:5084 [inline] [] ext4_mark_iloc_dirty+0x2da/0x1144 fs/ext4/inode.c:5677 [] __ext4_mark_inode_dirty+0x1d8/0x6bc fs/ext4/inode.c:5873 [] __ext4_ext_dirty+0x134/0x156 fs/ext4/extents.c:183 [] ext4_ext_insert_extent+0xf44/0x27b2 fs/ext4/extents.c:2170 [] ext4_ext_map_blocks+0x1004/0x3e86 fs/ext4/extents.c:4303 [] ext4_map_blocks+0x4fe/0xe64 fs/ext4/inode.c:638 [] ext4_alloc_file_blocks+0x2cc/0x756 fs/ext4/extents.c:4467 [] ext4_fallocate+0x356/0x2cf4 fs/ext4/extents.c:4744 [] vfs_fallocate+0x344/0x7a4 fs/open.c:308 [] ioctl_preallocate+0x16a/0x1a8 fs/ioctl.c:294 [] file_ioctl fs/ioctl.c:334 [inline] [] do_vfs_ioctl fs/ioctl.c:853 [inline] [] __do_sys_ioctl fs/ioctl.c:872 [inline] [] sys_ioctl+0xdc6/0x139e fs/ioctl.c:860 [] ret_from_syscall+0x0/0x2 SMP: stopping secondary CPUs Rebooting in 86400 seconds..