BTRFS info (device loop2): disk space caching is enabled ntfs: (device loop4): ntfs_attr_extend_allocation(): Cannot extend allocation of inode 0x41, attribute type 0x80, because the allocation of clusters failed with error code -28. BTRFS info (device loop2): has skinny extents ====================================================== WARNING: possible circular locking dependency detected 4.14.296-syzkaller #0 Not tainted ------------------------------------------------------ kworker/u4:4/1015 is trying to acquire lock: (&rl->lock){++++}, at: [] ntfs_read_block fs/ntfs/aops.c:269 [inline] (&rl->lock){++++}, at: [] ntfs_readpage+0x1396/0x1ad0 fs/ntfs/aops.c:456 but task is already holding lock: (&ni->mrec_lock){+.+.}, at: [] map_mft_record+0x2b/0xbe0 fs/ntfs/mft.c:166 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&ni->mrec_lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 map_mft_record+0x2b/0xbe0 fs/ntfs/mft.c:166 ntfs_truncate+0x1a6/0x22d0 fs/ntfs/inode.c:2408 ntfs_truncate_vfs fs/ntfs/inode.c:2888 [inline] ntfs_setattr+0x148/0x580 fs/ntfs/inode.c:2938 notify_change+0x56b/0xd10 fs/attr.c:315 do_truncate+0xff/0x1a0 fs/open.c:63 handle_truncate fs/namei.c:3010 [inline] do_last fs/namei.c:3437 [inline] path_openat+0x1dcc/0x2970 fs/namei.c:3571 do_filp_open+0x179/0x3c0 fs/namei.c:3605 do_sys_open+0x296/0x410 fs/open.c:1081 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb -> #0 (&rl->lock){++++}: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 down_read+0x36/0x80 kernel/locking/rwsem.c:24 ntfs_read_block fs/ntfs/aops.c:269 [inline] ntfs_readpage+0x1396/0x1ad0 fs/ntfs/aops.c:456 do_read_cache_page+0x38e/0xc10 mm/filemap.c:2713 read_mapping_page include/linux/pagemap.h:398 [inline] ntfs_map_page fs/ntfs/aops.h:89 [inline] ntfs_sync_mft_mirror+0x1f4/0x1560 fs/ntfs/mft.c:490 write_mft_record_nolock+0xece/0x1240 fs/ntfs/mft.c:793 write_mft_record fs/ntfs/mft.h:109 [inline] __ntfs_write_inode+0x58d/0xcc0 fs/ntfs/inode.c:3077 write_inode fs/fs-writeback.c:1241 [inline] __writeback_single_inode+0x6a4/0x1010 fs/fs-writeback.c:1439 writeback_sb_inodes+0x48b/0xd30 fs/fs-writeback.c:1645 wb_writeback+0x243/0xb80 fs/fs-writeback.c:1820 wb_do_writeback fs/fs-writeback.c:1952 [inline] wb_workfn+0x2bd/0xf50 fs/fs-writeback.c:1988 process_one_work+0x793/0x14a0 kernel/workqueue.c:2117 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2251 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ni->mrec_lock); lock(&rl->lock); lock(&ni->mrec_lock); lock(&rl->lock); *** DEADLOCK *** 3 locks held by kworker/u4:4/1015: #0: ("writeback"){+.+.}, at: [] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2088 #1: ((&(&wb->dwork)->work)){+.+.}, at: [] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2092 #2: (&ni->mrec_lock){+.+.}, at: [] map_mft_record+0x2b/0xbe0 fs/ntfs/mft.c:166 stack backtrace: CPU: 0 PID: 1015 Comm: kworker/u4:4 Not tainted 4.14.296-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Workqueue: writeback wb_workfn (flush-7:4) Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 down_read+0x36/0x80 kernel/locking/rwsem.c:24 ntfs_read_block fs/ntfs/aops.c:269 [inline] ntfs_readpage+0x1396/0x1ad0 fs/ntfs/aops.c:456 do_read_cache_page+0x38e/0xc10 mm/filemap.c:2713 read_mapping_page include/linux/pagemap.h:398 [inline] ntfs_map_page fs/ntfs/aops.h:89 [inline] ntfs_sync_mft_mirror+0x1f4/0x1560 fs/ntfs/mft.c:490 write_mft_record_nolock+0xece/0x1240 fs/ntfs/mft.c:793 write_mft_record fs/ntfs/mft.h:109 [inline] __ntfs_write_inode+0x58d/0xcc0 fs/ntfs/inode.c:3077 write_inode fs/fs-writeback.c:1241 [inline] __writeback_single_inode+0x6a4/0x1010 fs/fs-writeback.c:1439 writeback_sb_inodes+0x48b/0xd30 fs/fs-writeback.c:1645 wb_writeback+0x243/0xb80 fs/fs-writeback.c:1820 wb_do_writeback fs/fs-writeback.c:1952 [inline] wb_workfn+0x2bd/0xf50 fs/fs-writeback.c:1988 process_one_work+0x793/0x14a0 kernel/workqueue.c:2117 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2251 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 BTRFS error (device loop2): open_ctree failed syz-executor.3 (10026): drop_caches: 1 syz-executor.3 (10026): drop_caches: 1 BTRFS info (device loop5): disk space caching is enabled ntfs: volume version 3.1. BTRFS info (device loop5): has skinny extents ntfs: volume version 3.1. ntfs: volume version 3.1. ntfs: (device loop0): ntfs_cluster_alloc(): Failed to allocate clusters, aborting (error -28). ntfs: (device loop0): ntfs_attr_extend_allocation(): Cannot extend allocation of inode 0x41, attribute type 0x80, because the allocation of clusters failed with error code -28. ntfs: (device loop0): ntfs_cluster_alloc(): Failed to allocate clusters, aborting (error -28). ntfs: (device loop0): ntfs_attr_extend_allocation(): Cannot extend allocation of inode 0x41, attribute type 0x80, because the allocation of clusters failed with error code -28. syz-executor.3 (10136): drop_caches: 1 syz-executor.3 (10136): drop_caches: 1 ntfs: volume version 3.1. ====================================================== WARNING: the mand mount option is being deprecated and will be removed in v5.15! ====================================================== ntfs: (device loop1): ntfs_read_inode_mount(): Device read failed. ntfs: (device loop1): ntfs_read_inode_mount(): Failed. Marking inode as bad. ntfs: volume version 3.1. ntfs: volume version 3.1. BTRFS info (device loop5): disk space caching is enabled BTRFS info (device loop5): has skinny extents ntfs: (device loop4): ntfs_cluster_alloc(): Failed to allocate clusters, aborting (error -28). ntfs: (device loop2): ntfs_cluster_alloc(): Failed to allocate clusters, aborting (error -28). ntfs: (device loop4): ntfs_attr_extend_allocation(): Cannot extend allocation of inode 0x41, attribute type 0x80, because the allocation of clusters failed with error code -28. ntfs: (device loop2): ntfs_attr_extend_allocation(): Cannot extend allocation of inode 0x41, attribute type 0x80, because the allocation of clusters failed with error code -28. ntfs: (device loop4): ntfs_cluster_alloc(): Failed to allocate clusters, aborting (error -28). ntfs: (device loop2): ntfs_cluster_alloc(): Failed to allocate clusters, aborting (error -28). ntfs: (device loop4): ntfs_attr_extend_allocation(): Cannot extend allocation of inode 0x41, attribute type 0x80, because the allocation of clusters failed with error code -28. ntfs: (device loop2): ntfs_attr_extend_allocation(): Cannot extend allocation of inode 0x41, attribute type 0x80, because the allocation of clusters failed with error code -28. syz-executor.3 (10207): drop_caches: 1 syz-executor.3 (10207): drop_caches: 1 ntfs: volume version 3.1. ntfs: volume version 3.1. ntfs: volume version 3.1. device team0 entered promiscuous mode device team_slave_0 entered promiscuous mode FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) device team_slave_1 entered promiscuous mode batman_adv: batadv0: Adding interface: team0 batman_adv: batadv0: The MTU of interface team0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Interface activated: team0 batman_adv: batadv0: Interface deactivated: team0 batman_adv: batadv0: Removing interface: team0 bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered forwarding state FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) ISO 9660 Extensions: Microsoft Joliet Level 3 ISO 9660 Extensions: RRIP_1991A ISOFS: Interleaved files not (yet) supported. ISOFS: File unit size != 0 for ISO file (2560). isofs: isofs_export_get_parent(): child directory not normalized! bridge0: port 3(team0) entered disabled state batman_adv: batadv0: Adding interface: team0 batman_adv: batadv0: The MTU of interface team0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Interface activated: team0 FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) (syz-executor.4,10374,0):ocfs2_fill_super:1023 ERROR: superblock probe failed! batman_adv: batadv0: Interface deactivated: team0 batman_adv: batadv0: Removing interface: team0 (syz-executor.4,10374,0):ocfs2_fill_super:1217 ERROR: status = -22 bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state overlayfs: fs on 'file0' does not support file handles, falling back to index=off. bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered forwarding state overlayfs: fs on './file0' does not support file handles, falling back to index=off. FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) overlayfs: fs on 'file0' does not support file handles, falling back to index=off. bridge0: port 3(team0) entered disabled state batman_adv: batadv0: Adding interface: team0 batman_adv: batadv0: The MTU of interface team0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. overlayfs: fs on './file0' does not support file handles, falling back to index=off. batman_adv: batadv0: Interface activated: team0 batman_adv: batadv0: Interface deactivated: team0 batman_adv: batadv0: Removing interface: team0 FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state bridge0: port 3(team0) entered blocking state overlayfs: fs on 'file0' does not support file handles, falling back to index=off. bridge0: port 3(team0) entered forwarding state FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) overlayfs: fs on './file0' does not support file handles, falling back to index=off. FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) bridge0: port 3(team0) entered disabled state FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) overlayfs: fs on 'file0' does not support file handles, falling back to index=off. batman_adv: batadv0: Adding interface: team0 batman_adv: batadv0: The MTU of interface team0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. overlayfs: fs on './file0' does not support file handles, falling back to index=off. IPVS: length: 89 != 8 batman_adv: batadv0: Interface activated: team0 batman_adv: batadv0: Interface deactivated: team0 batman_adv: batadv0: Removing interface: team0 bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered disabled state bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered forwarding state FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) IPVS: length: 89 != 8 IPVS: length: 89 != 8 IPVS: length: 89 != 8 FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) IPVS: length: 89 != 8 IPVS: length: 89 != 8 FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) IPVS: length: 89 != 8 FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready kauditd_printk_skb: 14 callbacks suppressed audit: type=1800 audit(1667286393.991:4): pid=10680 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="file0" dev="sda1" ino=13986 res=0 IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready audit: type=1804 audit(1667286394.001:5): pid=10680 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir4183004213/syzkaller.IJYARQ/32/file0" dev="sda1" ino=13986 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready audit: type=1800 audit(1667286394.901:6): pid=10745 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="file0" dev="sda1" ino=13878 res=0 audit: type=1804 audit(1667286394.901:7): pid=10745 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir4183004213/syzkaller.IJYARQ/33/file0" dev="sda1" ino=13878 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'.