raw: 05ffc0000000203a fffffc00035ea448 fffffc0004165cc8 ffff0000c058e6c8 raw: 0000000000000001 ffff000100300ae0 00000002ffffffff ffff0000dae14000 page dumped because: VM_BUG_ON_PAGE(!PageCompound(page)) ------------[ cut here ]------------ kernel BUG at mm/slub.c:3532! Internal error: Oops - BUG: 0 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 6562 Comm: syz-executor.2 Not tainted 5.15.110-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : free_nonslab_page+0x1cc/0x1dc mm/slub.c:3532 lr : free_nonslab_page+0x1cc/0x1dc mm/slub.c:3532 sp : ffff80001f2e74f0 x29: ffff80001f2e7500 x28: ffff0000c9e4ff00 x27: dfff800000000000 x26: 0000000000000020 x25: ffff0000edce65a4 x24: 0000000000000020 x23: ffff800016ebf000 x22: 0000000000000000 x21: ffff80000875d340 x20: 0000000000000000 x19: fffffc0003b73980 x18: 1fffe00036903d8e x17: 1fffe00036903d8e x16: ffff800011941a9c x15: ffff80001496f0c0 x14: 1ffff0000291a06a x13: ffffffffffffffff x12: 0000000000040000 x11: 0000000000012450 x10: ffff8000243d4000 x9 : 1733500ce247b100 x8 : 1733500ce247b100 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a951560 x2 : ffff0001b481ed10 x1 : 0000000100000000 x0 : 0000000000000038 Call trace: free_nonslab_page+0x1cc/0x1dc mm/slub.c:3532 kfree+0x2ac/0x410 mm/slub.c:4556 kvfree+0x40/0x50 mm/util.c:654 ext4_xattr_move_to_block fs/ext4/xattr.c:2628 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2691 [inline] ext4_expand_extra_isize_ea+0xcbc/0x1688 fs/ext4/xattr.c:2783 __ext4_expand_extra_isize+0x290/0x348 fs/ext4/inode.c:5828 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5871 [inline] __ext4_mark_inode_dirty+0x4e8/0x924 fs/ext4/inode.c:5949 __ext4_unlink+0x6d8/0x90c fs/ext4/namei.c:3255 ext4_unlink+0x1b4/0x6a0 fs/ext4/namei.c:3298 vfs_unlink+0x2f0/0x508 fs/namei.c:4209 do_unlinkat+0x4c8/0x82c fs/namei.c:4277 __do_sys_unlinkat fs/namei.c:4320 [inline] __se_sys_unlinkat fs/namei.c:4313 [inline] __arm64_sys_unlinkat+0xcc/0xfc fs/namei.c:4313 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: f005ba81 91077421 aa1303e0 97fba8b1 (d4210000) ---[ end trace a3aace93ddb8f410 ]---