------------[ cut here ]------------ VFS: brelse: Trying to free free buffer WARNING: CPU: 1 PID: 6437 at fs/buffer.c:1229 __brelse fs/buffer.c:1229 [inline] WARNING: CPU: 1 PID: 6437 at fs/buffer.c:1229 brelse include/linux/buffer_head.h:324 [inline] WARNING: CPU: 1 PID: 6437 at fs/buffer.c:1229 bh_lru_install fs/buffer.c:1346 [inline] WARNING: CPU: 1 PID: 6437 at fs/buffer.c:1229 __find_get_block+0xc3c/0xd84 fs/buffer.c:1400 Modules linked in: CPU: 1 UID: 0 PID: 6437 Comm: syz-executor Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __brelse fs/buffer.c:1229 [inline] pc : brelse include/linux/buffer_head.h:324 [inline] pc : bh_lru_install fs/buffer.c:1346 [inline] pc : __find_get_block+0xc3c/0xd84 fs/buffer.c:1400 lr : __brelse fs/buffer.c:1229 [inline] lr : brelse include/linux/buffer_head.h:324 [inline] lr : bh_lru_install fs/buffer.c:1346 [inline] lr : __find_get_block+0xc3c/0xd84 fs/buffer.c:1400 sp : ffff8000a4aa7950 x29: ffff8000a4aa7950 x28: 0000000000000000 x27: dfff800000000000 x26: 0000000000000402 x25: ffff0000f2005e80 x24: 000000000000000a x23: ffff0000c171be80 x22: ffff0000c171b488 x21: 0000000000000000 x20: ffff0000dd65b970 x19: ffff0000f2005cb0 x18: 0000000000000008 x17: 0000000000000000 x16: ffff800080463930 x15: 0000000000000001 x14: 1fffe000367034d0 x13: ffff8000a4aa8000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : b2b7ec0cef5f2200 x8 : b2b7ec0cef5f2200 x7 : ffff80008b6aa750 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008b746ea0 x0 : ffff800123f1a000 Call trace: __brelse fs/buffer.c:1229 [inline] (P) brelse include/linux/buffer_head.h:324 [inline] (P) bh_lru_install fs/buffer.c:1346 [inline] (P) __find_get_block+0xc3c/0xd84 fs/buffer.c:1400 (P) bdev_getblk+0x48/0x62c fs/buffer.c:1425 __getblk include/linux/buffer_head.h:380 [inline] sb_getblk include/linux/buffer_head.h:386 [inline] ntfs_update_mftmirr+0x2f4/0x718 fs/ntfs3/fsntfs.c:872 ntfs_sync_fs+0x1bc/0x1e4 fs/ntfs3/super.c:771 sync_filesystem+0xe8/0x218 fs/sync.c:56 generic_shutdown_super+0x70/0x2bc fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1710 ntfs3_kill_sb+0x44/0x17c fs/ntfs3/super.c:1784 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1373 __cleanup_mnt+0x20/0x30 fs/namespace.c:1380 task_work_run+0x230/0x2e0 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x178/0x1f4 arch/arm64/kernel/entry-common.c:151 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 186576 hardirqs last enabled at (186575): [] raw_spin_rq_unlock_irq+0x14/0x24 kernel/sched/sched.h:1535 hardirqs last disabled at (186576): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (185946): [] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (185946): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589 softirqs last disabled at (185931): [] __do_softirq+0x14/0x20 kernel/softirq.c:595 ---[ end trace 0000000000000000 ]---