------------[ cut here ]------------ WARNING: mm/slub.c:6782 at free_large_kmalloc+0x83/0xf0 mm/slub.c:6782, CPU#1: syz-executor/5833 Modules linked in: CPU: 1 UID: 0 PID: 5833 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:free_large_kmalloc+0x83/0xf0 mm/slub.c:6782 Code: 8b 43 30 83 f8 ff 74 13 25 00 00 00 ff 3d 00 00 00 f8 75 70 c7 43 30 ff ff ff ff 48 89 df 89 ee 5b 41 5e 5d e9 de d5 fc ff 90 <0f> 0b 90 48 89 df 48 c7 c6 be 04 9a 8d 5b 41 5e 5d e9 e7 e2 0a ff RSP: 0018:ffffc9000406fc68 EFLAGS: 00010206 RAX: 00000000ff000000 RBX: ffffea0000391040 RCX: ffff88802d9a5b01 RDX: 0000000000000000 RSI: ffffffff8e441bc0 RDI: ffffea0000391040 RBP: 0000000000000000 R08: ffffffff8f9dcf77 R09: 1ffffffff1f3b9ee R10: dffffc0000000000 R11: fffffbfff1f3b9ef R12: 1ffff110042f9936 R13: dffffc0000000000 R14: ffff8880217cc9b0 R15: ffff888078e6ea08 FS: 000055557d5ab500(0000) GS:ffff888125dbb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556adec808 CR3: 000000005c124000 CR4: 00000000003526f0 Call Trace: ntfs_put_super+0x15b/0x1b0 fs/ntfs3/super.c:709 generic_shutdown_super+0x135/0x2c0 fs/super.c:643 kill_block_super+0x44/0x90 fs/super.c:1728 ntfs3_kill_sb+0x44/0x1b0 fs/ntfs3/super.c:1853 deactivate_locked_super+0xbc/0x130 fs/super.c:474 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1328 task_work_run+0x1d4/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0xff/0x4f0 kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline] do_syscall_64+0x2e9/0xfa0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fda767909f7 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffc81c67228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fda76811d7d RCX: 00007fda767909f7 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc81c672e0 RBP: 00007ffc81c672e0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc81c68370 R13: 00007fda76811d7d R14: 000000000001bbe8 R15: 00007ffc81c683b0