BUG: Dentry 00000000fa78f570{i=0,n=.reiserfs_priv} still in use (1) [unmount of minix loop5] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3064 at fs/dcache.c:1676 umount_check+0xc0/0xc8 fs/dcache.c:1667 Modules linked in: CPU: 0 PID: 3064 Comm: syz-executor.5 Not tainted 6.1.0-rc4-syzkaller-31844-g3577a7611842 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : umount_check+0xc0/0xc8 fs/dcache.c:1667 lr : umount_check+0xc0/0xc8 fs/dcache.c:1667 sp : ffff800013273bc0 x29: ffff800013273bc0 x28: ffff0000fe3e2e80 x27: ffff80000d4343b0 x26: ffff0000fe3e2d68 x25: 0000000000000001 x24: ffff0000fe3e2e80 x23: ffff0000fe3e27e0 x22: ffff0000fe3dc3a8 x21: ffff8000085f11b4 x20: 0000000000000000 x19: ffff0000fe3e2750 x18: 00000000000000c0 x17: 657375206e69206c x16: ffff80000db1a158 x15: ffff0000c65f3480 x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c65f3480 x11: ff808000081c06c8 x10: 0000000000000000 x9 : 89502abb7c9bbe00 x8 : 89502abb7c9bbe00 x7 : ffff80000c01675c x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff0001fefbecc8 x1 : 0000000100000002 x0 : 000000000000005d Call trace: umount_check+0xc0/0xc8 fs/dcache.c:1667 d_walk+0x13c/0x55c fs/dcache.c:1386 do_one_tree fs/dcache.c:1683 [inline] shrink_dcache_for_umount+0x60/0x140 fs/dcache.c:1699 generic_shutdown_super+0x30/0x198 fs/super.c:473 kill_block_super+0x30/0x78 fs/super.c:1428 deactivate_locked_super+0x70/0xe8 fs/super.c:332 deactivate_super+0xd0/0xd4 fs/super.c:363 cleanup_mnt+0x184/0x1c0 fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x100/0x148 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x174/0x1f0 arch/arm64/kernel/signal.c:1127 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 irq event stamp: 5126932 hardirqs last enabled at (5126931): [] __up_console_sem+0xb0/0xfc kernel/printk/printk.c:261 hardirqs last disabled at (5126932): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (5126024): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (5126022): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- BUG: Dentry 00000000fa78f570{i=0,n=.reiserfs_priv} still in use (1) [unmount of minix loop5] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3064 at fs/dcache.c:1676 umount_check+0xc0/0xc8 fs/dcache.c:1667 Modules linked in: CPU: 0 PID: 3064 Comm: syz-executor.5 Tainted: G W 6.1.0-rc4-syzkaller-31844-g3577a7611842 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : umount_check+0xc0/0xc8 fs/dcache.c:1667 lr : umount_check+0xc0/0xc8 fs/dcache.c:1667 sp : ffff800013273bc0 x29: ffff800013273bc0 x28: ffff0000fe3e2e80 x27: ffff80000d4343b0 x26: ffff0000fe3e2d68 x25: 0000000000000001 x24: ffff0000fe3e2e80 x23: ffff0000fe3e27e0 x22: ffff0000fe3dc3a8 x21: ffff8000085f11b4 x20: 0000000000000000 x19: ffff0000fe3e2750 x18: 00000000000000c0 x17: 657375206e69206c x16: ffff80000db1a158 x15: ffff0000c65f3480 x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c65f3480 x11: ff808000081c06c8 x10: 0000000000000000 x9 : 89502abb7c9bbe00 x8 : 89502abb7c9bbe00 x7 : ffff80000c01675c x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff0001fefbecc8 x1 : 0000000100000003 x0 : 000000000000005d Call trace: umount_check+0xc0/0xc8 fs/dcache.c:1667 d_walk+0x13c/0x55c fs/dcache.c:1386 do_one_tree fs/dcache.c:1683 [inline] shrink_dcache_for_umount+0x60/0x140 fs/dcache.c:1699 generic_shutdown_super+0x30/0x198 fs/super.c:473 kill_block_super+0x30/0x78 fs/super.c:1428 deactivate_locked_super+0x70/0xe8 fs/super.c:332 deactivate_super+0xd0/0xd4 fs/super.c:363 cleanup_mnt+0x184/0x1c0 fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x100/0x148 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x174/0x1f0 arch/arm64/kernel/signal.c:1127 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 irq event stamp: 5127244 hardirqs last enabled at (5127243): [] __up_console_sem+0xb0/0xfc kernel/printk/printk.c:261 hardirqs last disabled at (5127244): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (5127238): [] _stext+0x2e4/0x37c softirqs last disabled at (5127137): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79 ---[ end trace 0000000000000000 ]--- VFS: Busy inodes after unmount of loop5. Self-destruct in 5 seconds. Have a nice day... BUG: Dentry 00000000fa78f570{i=0,n=.reiserfs_priv} still in use (1) [unmount of minix loop5] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3064 at fs/dcache.c:1676 umount_check+0xc0/0xc8 fs/dcache.c:1667 Modules linked in: CPU: 0 PID: 3064 Comm: syz-executor.5 Tainted: G W 6.1.0-rc4-syzkaller-31844-g3577a7611842 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : umount_check+0xc0/0xc8 fs/dcache.c:1667 lr : umount_check+0xc0/0xc8 fs/dcache.c:1667 sp : ffff800013273bc0 x29: ffff800013273bc0 x28: ffff0000fe3e2e80 x27: ffff80000d4343b0 x26: ffff0000fe3e2d68 x25: 0000000000000001 x24: ffff0000fe3e2e80 x23: ffff0000fe3e27e0 x22: ffff000102afcd68 x21: ffff8000085f11b4 x20: 0000000000000000 x19: ffff0000fe3e2750 x18: 000000000000017c x17: 657375206e69206c x16: ffff80000db1a158 x15: ffff0000c65f3480 x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c65f3480 x11: ff808000081c06c8 x10: 0000000000000000 x9 : 89502abb7c9bbe00 x8 : 89502abb7c9bbe00 x7 : ffff80000c01675c x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff0001fefbecc8 x1 : 0000000000000002 x0 : 000000000000005d Call trace: umount_check+0xc0/0xc8 fs/dcache.c:1667 d_walk+0x13c/0x55c fs/dcache.c:1386 do_one_tree fs/dcache.c:1683 [inline] shrink_dcache_for_umount+0x60/0x140 fs/dcache.c:1699 generic_shutdown_super+0x30/0x198 fs/super.c:473 kill_block_super+0x30/0x78 fs/super.c:1428 deactivate_locked_super+0x70/0xe8 fs/super.c:332 deactivate_super+0xd0/0xd4 fs/super.c:363 cleanup_mnt+0x184/0x1c0 fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x100/0x148 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x174/0x1f0 arch/arm64/kernel/signal.c:1127 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 irq event stamp: 5140180 hardirqs last enabled at (5140179): [] __up_console_sem+0xb0/0xfc kernel/printk/printk.c:261 hardirqs last disabled at (5140180): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (5140174): [] _stext+0x2e4/0x37c softirqs last disabled at (5140083): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79 ---[ end trace 0000000000000000 ]---