BUG: Dentry ffff8881e544c220{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 0 PID: 355 Comm: syz-executor.3 Not tainted 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff8881dc92f420 R08: ffffffff814e9057 R09: ffffed103edc5e08 R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e544c220 FS: 0000000001bd6400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001bdfb38 CR3: 000000019cc9f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830ea6 ]--- BUG: Dentry ffff8881e544c220{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 0 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffff8881dc92f420 R08: ffffffff814e9057 R09: ffffed103edc5e08 R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e544c220 FS: 0000000001bd6400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f18453dd718 CR3: 000000019cc9f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830ea7 ]--- VFS: Busy inodes after unmount of loop3. Self-destruct in 5 seconds. Have a nice day... BUG: Dentry ffff8881954dd440{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 0 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff88819aead420 R08: ffffffff814e9057 R09: ffffed103edc5e08 R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881954dd440 FS: 0000000001bd6400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f361e445718 CR3: 000000019cc9f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830ea8 ]--- BUG: Dentry ffff8881954dd440{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 1 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 1 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffff88819aead420 R08: ffffffff814e9057 R09: ffffed103ede5e08 R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881954dd440 FS: 0000000001bd6400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b3ae180da0 CR3: 000000019cc9f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830ea9 ]--- VFS: Busy inodes after unmount of loop3. Self-destruct in 5 seconds. Have a nice day... BUG: Dentry ffff8881e5490dd0{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 1 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 1 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff8881e359e420 R08: ffffffff814e9057 R09: ffffed103ede5e08 R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e5490dd0 FS: 0000000001bd6400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001bdfb38 CR3: 000000019cc9f000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830eaa ]--- BUG: Dentry ffff8881e5490dd0{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 1 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 1 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000080000003 RDI: 0000000000000000 RBP: ffff8881e359e420 R08: ffffffff814e9057 R09: ffffed103ede5e08 R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e5490dd0 FS: 0000000001bd6400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31a21000 CR3: 000000019cc9f000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830eab ]--- VFS: Busy inodes after unmount of loop3. Self-destruct in 5 seconds. Have a nice day... BUG: Dentry ffff8881e5621330{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 0 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff88819a85d420 R08: ffffffff814e9057 R09: ffffed103edc5e08 R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e5621330 FS: 0000000001bd6400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b3ae16d208 CR3: 000000019cc9f000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830eac ]--- BUG: Dentry ffff8881e5621330{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 1 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 1 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffff88819a85d420 R08: ffffffff814e9057 R09: ffffed103ede5e08 R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e5621330 FS: 0000000001bd6400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000544038 CR3: 000000019cc9f000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830ead ]--- VFS: Busy inodes after unmount of loop3. Self-destruct in 5 seconds. Have a nice day... BUG: Dentry ffff8881e559a990{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 0 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff88819cbc5420 R08: ffffffff814e9057 R09: ffffed103edc5e08 R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e559a990 FS: 0000000001bd6400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001bdfb38 CR3: 000000019cc9f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830eae ]--- VFS: Busy inodes after unmount of loop3. Self-destruct in 5 seconds. Have a nice day... BUG: Dentry ffff8881e5541440{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 1 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 1 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff8881e17ae420 R08: ffffffff814e9057 R09: ffffed103ede5e08 R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e5541440 FS: 0000000001bd6400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001bdfb38 CR3: 000000019cc9f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830eaf ]--- BUG: Dentry ffff8881e5541440{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 1 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 1 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffff8881e17ae420 R08: ffffffff814e9057 R09: ffffed103ede5e08 R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e5541440 FS: 0000000001bd6400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc06734b000 CR3: 000000019cc9f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830eb0 ]--- VFS: Busy inodes after unmount of loop3. Self-destruct in 5 seconds. Have a nice day... BUG: Dentry ffff8881e56eb550{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 0 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff8881dac14420 R08: ffffffff814e9057 R09: ffffed103edc5e08 R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e56eb550 FS: 0000000001bd6400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001bdfb38 CR3: 000000019cc9f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830eb1 ]--- VFS: Busy inodes after unmount of loop3. Self-destruct in 5 seconds. Have a nice day... BUG: Dentry ffff8881ece46550{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 0 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff8881e24e4420 R08: ffffffff814e9057 R09: ffffed103edc5e08 R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ece46550 FS: 0000000001bd6400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020021000 CR3: 000000019cc9f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830eb2 ]--- BUG: Dentry ffff8881ece46550{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 1 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 1 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffff8881e24e4420 R08: ffffffff814e9057 R09: ffffed103ede5e08 R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ece46550 FS: 0000000001bd6400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200d7000 CR3: 000000019cc9f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830eb3 ]--- VFS: Busy inodes after unmount of loop3. Self-destruct in 5 seconds. Have a nice day... BUG: Dentry ffff8881e570abb0{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 0 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff8881ec6d7420 R08: ffffffff814e9057 R09: ffffed103edc5e08 R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e570abb0 FS: 0000000001bd6400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020022000 CR3: 000000019cc9f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830eb4 ]--- BUG: Dentry ffff8881e570abb0{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 0 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffff8881ec6d7420 R08: ffffffff814e9057 R09: ffffed103edc5e08 R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e570abb0 FS: 0000000001bd6400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020971000 CR3: 000000019cc9f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830eb5 ]--- VFS: Busy inodes after unmount of loop3. Self-destruct in 5 seconds. Have a nice day... BUG: Dentry ffff8881e544d990{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 0 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff8881e9d0d420 R08: ffffffff814e9057 R09: ffffed103edc5e08 R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e544d990 FS: 0000000001bd6400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc0673ba000 CR3: 000000019cc9f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830eb6 ]--- BUG: Dentry ffff8881e544d990{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 1 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 1 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffff8881e9d0d420 R08: ffffffff814e9057 R09: ffffed103ede5e08 R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e544d990 FS: 0000000001bd6400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200d1000 CR3: 000000019cc9f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830eb7 ]--- VFS: Busy inodes after unmount of loop3. Self-destruct in 5 seconds. Have a nice day... BUG: Dentry ffff8881e547b880{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 1 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 1 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff8881e60b4420 R08: ffffffff814e9057 R09: ffffed103ede5e08 R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e547b880 FS: 0000000001bd6400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001bdfb38 CR3: 000000019cc9f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830eb8 ]--- BUG: Dentry ffff8881e547b880{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 0 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffff8881e60b4420 R08: ffffffff814e9057 R09: ffffed103edc5e08 R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e547b880 FS: 0000000001bd6400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020f86000 CR3: 000000019cc9f000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830eb9 ]--- VFS: Busy inodes after unmount of loop3. Self-destruct in 5 seconds. Have a nice day... BUG: Dentry ffff888195605cc0{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 1 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 1 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff88819be85420 R08: ffffffff814e9057 R09: ffffed103ede5e08 R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff888195605cc0 FS: 0000000001bd6400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc7f966ea8 CR3: 000000019cc9f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830eba ]--- VFS: Busy inodes after unmount of loop3. Self-destruct in 5 seconds. Have a nice day... BUG: Dentry ffff8881e56b7000{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 1 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 1 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff88819b692420 R08: ffffffff814e9057 R09: ffffed103ede5e08 R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e56b7000 FS: 0000000001bd6400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020c63000 CR3: 000000019cc9f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830ebb ]--- BUG: Dentry ffff8881e56b7000{i=0,n=.index} still in use (1) [unmount of vfat loop3] ------------[ cut here ]------------ WARNING: CPU: 1 PID: 355 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 1 PID: 355 Comm: syz-executor.3 Tainted: G W 5.4.125-syzkaller-00234-g47fe7966921f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 06 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 a6 af ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff88819cce7c58 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffffffff85fc5c00 RCX: 5bf12861570d7c00 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffff88819b692420 R08: ffffffff814e9057 R09: ffffed103ede5e08 R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e56b7000 FS: 0000000001bd6400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020c6b000 CR3: 000000019cc9f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 kill_block_super+0x79/0xd0 fs/super.c:1444 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x1b3/0x270 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x467a37 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd83e4d0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a37 RDX: 00007ffd83e4d18b RSI: 0000000000000002 RDI: 00007ffd83e4d180 RBP: 00007ffd83e4d180 R08: 00000000ffffffff R09: 00007ffd83e4cf50 R10: 0000000001bd7bd3 R11: 0000000000000246 R12: 00000000004bee70 R13: 00007ffd83e4e250 R14: 0000000001bd7b00 R15: 00007ffd83e4e290 ---[ end trace 30e303746a830ebc ]--- VFS: Busy inodes after unmount of loop3. Self-destruct in 5 seconds. Have a nice day...