------------[ cut here ]------------ Looking for class "&ei->i_data_sem" with key __key.0, but found a different class "&ei->i_data_sem" with the same key WARNING: CPU: 0 PID: 9670 at kernel/locking/lockdep.c:932 look_up_lock_class+0x16c/0x178 kernel/locking/lockdep.c:932 Modules linked in: CPU: 0 PID: 9670 Comm: syz-executor.0 Not tainted 6.9.0-syzkaller-05151-g1b294a1f3561 #0 Hardware name: linux,dummy-virt (DT) pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : look_up_lock_class+0x16c/0x178 kernel/locking/lockdep.c:932 lr : look_up_lock_class+0x16c/0x178 kernel/locking/lockdep.c:932 sp : ffff80008d3872b0 x29: ffff80008d3872b0 x28: ffff00000e8d8000 x27: 0000000000000001 x26: ffff800089406000 x25: 1ffff00011a70e76 x24: ffff800089406680 x23: 0000000000000000 x22: 0000000000000000 x21: ffff00003d4d3e88 x20: ffff8000894d4821 x19: ffff800088bc5ca0 x18: ffff00000e8d8a80 x17: 20646e756f662074 x16: 7562202c302e7965 x15: 6b5f5f2079656b20 x14: 6874697720226d65 x13: 205d303736395420 x12: ffff60000d4cc5c3 x11: 1fffe0000d4cc5c2 x10: ffff60000d4cc5c2 x9 : dfff800000000000 x8 : ffff00006a662e13 x7 : 0000000000000001 x6 : ffff60000d4cc5c2 x5 : ffff00006a662e10 x4 : 1fffe00001d1b001 x3 : dfff800000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00000e8d8000 Call trace: look_up_lock_class+0x16c/0x178 kernel/locking/lockdep.c:932 register_lock_class+0xc4/0xe24 kernel/locking/lockdep.c:1284 __lock_acquire+0x104/0x6b74 kernel/locking/lockdep.c:5014 lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x4a8/0x7f0 kernel/locking/lockdep.c:5719 down_write_nested+0xb4/0x1a8 kernel/locking/rwsem.c:1695 ext4_double_down_write_data_sem fs/ext4/move_extent.c:58 [inline] ext4_move_extents+0x2ec/0x2a14 fs/ext4/move_extent.c:613 __ext4_ioctl+0x1388/0x3f04 fs/ext4/ioctl.c:1371 ext4_ioctl+0x10/0x1c fs/ext4/ioctl.c:1627 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:904 [inline] __se_sys_ioctl fs/ioctl.c:890 [inline] __arm64_sys_ioctl+0x124/0x190 fs/ioctl.c:890 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x6c/0x25c arch/arm64/kernel/syscall.c:48 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:133 do_el0_svc+0x40/0x58 arch/arm64/kernel/syscall.c:152 el0_svc+0x50/0x180 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 irq event stamp: 2665 hardirqs last enabled at (2665): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline] hardirqs last enabled at (2665): [] exit_to_kernel_mode+0x38/0x118 arch/arm64/kernel/entry-common.c:95 hardirqs last disabled at (2664): [] __el1_irq arch/arm64/kernel/entry-common.c:533 [inline] hardirqs last disabled at (2664): [] el1_interrupt+0x24/0x54 arch/arm64/kernel/entry-common.c:551 softirqs last enabled at (2642): [] fpsimd_restore_current_state+0x44/0xe4 arch/arm64/kernel/fpsimd.c:1784 softirqs last disabled at (2640): [] alternative_has_cap_likely arch/arm64/include/asm/alternative-macros.h:232 [inline] softirqs last disabled at (2640): [] system_supports_fpsimd arch/arm64/include/asm/cpufeature.h:734 [inline] softirqs last disabled at (2640): [] fpsimd_restore_current_state+0x14/0xe4 arch/arm64/kernel/fpsimd.c:1777 ---[ end trace 0000000000000000 ]---