loop5: rw=0, want=201326594, limit=1024 Buffer I/O error on dev loop5, logical block 100663296, async page read hfsplus: unable to mark blocks free: error -5 hfsplus: can't free extent ====================================================== WARNING: possible circular locking dependency detected 4.19.211-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.5/1810 is trying to acquire lock: 00000000d523efa1 (&tree->tree_lock){+.+.}, at: hfsplus_file_truncate+0xde7/0x1040 fs/hfsplus/extents.c:595 but task is already holding lock: 00000000264207ce (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_file_truncate+0x1e2/0x1040 fs/hfsplus/extents.c:576 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&HFSPLUS_I(inode)->extents_lock){+.+.}: hfsplus_get_block+0x292/0x960 fs/hfsplus/extents.c:260 block_read_full_page+0x288/0xd10 fs/buffer.c:2259 do_read_cache_page+0x533/0x1170 mm/filemap.c:2828 read_mapping_page include/linux/pagemap.h:402 [inline] __hfs_bnode_create+0x5b7/0xb60 fs/hfsplus/bnode.c:447 hfsplus_bnode_find+0x2aa/0xb80 fs/hfsplus/bnode.c:497 hfsplus_brec_find+0x2af/0x500 fs/hfsplus/bfind.c:183 hfsplus_brec_read+0x28/0x120 fs/hfsplus/bfind.c:222 hfsplus_find_cat+0x1d0/0x480 fs/hfsplus/catalog.c:202 hfsplus_iget+0x400/0x790 fs/hfsplus/super.c:81 hfsplus_fill_super+0xc5f/0x19e0 fs/hfsplus/super.c:503 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/0x2f50 fs/namespace.c:2822 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&tree->tree_lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:937 [inline] __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078 hfsplus_file_truncate+0xde7/0x1040 fs/hfsplus/extents.c:595 hfsplus_delete_inode+0x18d/0x220 fs/hfsplus/inode.c:419 hfsplus_unlink+0x595/0x820 fs/hfsplus/dir.c:405 hfsplus_rename+0xbe/0x200 fs/hfsplus/dir.c:545 vfs_rename+0x67e/0x1bc0 fs/namei.c:4479 do_renameat2+0xb59/0xc70 fs/namei.c:4629 __do_sys_rename fs/namei.c:4675 [inline] __se_sys_rename fs/namei.c:4673 [inline] __x64_sys_rename+0x5d/0x80 fs/namei.c:4673 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&HFSPLUS_I(inode)->extents_lock); lock(&tree->tree_lock); lock(&HFSPLUS_I(inode)->extents_lock); lock(&tree->tree_lock); *** DEADLOCK *** 8 locks held by syz-executor.5/1810: #0: 00000000d8f950ed (sb_writers#16){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000d8f950ed (sb_writers#16){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000f2d8a8fa (&type->s_vfs_rename_key#3){+.+.}, at: lock_rename+0x54/0x280 fs/namei.c:2867 #2: 0000000022d28cb4 (&type->i_mutex_dir_key#8/1){+.+.}, at: inode_lock_nested include/linux/fs.h:783 [inline] #2: 0000000022d28cb4 (&type->i_mutex_dir_key#8/1){+.+.}, at: lock_rename+0x132/0x280 fs/namei.c:2878 #3: 000000004ce325ba (&type->i_mutex_dir_key#8/2){+.+.}, at: inode_lock_nested include/linux/fs.h:783 [inline] #3: 000000004ce325ba (&type->i_mutex_dir_key#8/2){+.+.}, at: lock_rename+0x166/0x280 fs/namei.c:2879 #4: 00000000441e0912 (&sb->s_type->i_mutex_key#22){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #4: 00000000441e0912 (&sb->s_type->i_mutex_key#22){+.+.}, at: lock_two_nondirectories+0xec/0x110 fs/inode.c:1015 #5: 00000000f6a6b3d4 (&sb->s_type->i_mutex_key#22/4){+.+.}, at: inode_lock_nested include/linux/fs.h:783 [inline] #5: 00000000f6a6b3d4 (&sb->s_type->i_mutex_key#22/4){+.+.}, at: lock_two_nondirectories+0xd1/0x110 fs/inode.c:1017 #6: 0000000029e14f45 (&sbi->vh_mutex){+.+.}, at: hfsplus_unlink+0x140/0x820 fs/hfsplus/dir.c:370 #7: 00000000264207ce (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_file_truncate+0x1e2/0x1040 fs/hfsplus/extents.c:576 stack backtrace: CPU: 1 PID: 1810 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1222 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2420 [inline] __lock_acquire+0x30c9/0x3ff0 kernel/locking/lockdep.c:3416 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 __mutex_lock_common kernel/locking/mutex.c:937 [inline] __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078 hfsplus_file_truncate+0xde7/0x1040 fs/hfsplus/extents.c:595 hfsplus_delete_inode+0x18d/0x220 fs/hfsplus/inode.c:419 hfsplus_unlink+0x595/0x820 fs/hfsplus/dir.c:405 hfsplus_rename+0xbe/0x200 fs/hfsplus/dir.c:545 vfs_rename+0x67e/0x1bc0 fs/namei.c:4479 do_renameat2+0xb59/0xc70 fs/namei.c:4629 __do_sys_rename fs/namei.c:4675 [inline] __se_sys_rename fs/namei.c:4673 [inline] __x64_sys_rename+0x5d/0x80 fs/namei.c:4673 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f95633910f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9561903168 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007f95634b0f80 RCX: 00007f95633910f9 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000000 RBP: 00007f95633ecae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff62d2553f R14: 00007f9561903300 R15: 0000000000022000 REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal REISERFS (device loop4): using ordered data mode reiserfs: using flush barriers REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop4): checking transaction log (loop4) REISERFS (device loop4): Using r5 hash to sort names REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "d" hfsplus: unable to parse mount options kauditd_printk_skb: 33 callbacks suppressed audit: type=1800 audit(1677592077.742:5223): pid=1928 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=14327 res=0 attempt to access beyond end of device loop5: rw=0, want=201326594, limit=1024 audit: type=1804 audit(1677592077.802:5224): pid=1932 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir424913250/syzkaller.GWu8vr/824/bus" dev="sda1" ino=14327 res=1 Buffer I/O error on dev loop5, logical block 100663296, async page read hfsplus: unable to mark blocks free: error -5 hfsplus: can't free extent REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "d" audit: type=1800 audit(1677592078.172:5225): pid=1942 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.1" name="bus" dev="sda1" ino=14081 res=0 audit: type=1804 audit(1677592078.202:5226): pid=1942 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir4288183659/syzkaller.DCBiEe/821/bus" dev="sda1" ino=14081 res=1 audit: type=1800 audit(1677592080.292:5227): pid=2009 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.0" name="file0" dev="sda1" ino=15377 res=0 audit: type=1800 audit(1677592080.842:5228): pid=2035 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="SYSV00000000" dev="hugetlbfs" ino=163843 res=0 audit: type=1800 audit(1677592080.872:5229): pid=2035 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="SYSV00000000" dev="hugetlbfs" ino=229381 res=0 audit: type=1800 audit(1677592080.982:5230): pid=2039 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="SYSV00000000" dev="hugetlbfs" ino=327688 res=0 audit: type=1800 audit(1677592081.002:5231): pid=2038 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="SYSV00000000" dev="hugetlbfs" ino=425995 res=0 audit: type=1800 audit(1677592081.082:5232): pid=2043 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="SYSV00000000" dev="hugetlbfs" ino=491533 res=0 F2FS-fs (loop2): Mismatch start address, segment0(512) cp_blkaddr(605) F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop2): invalid crc value F2FS-fs (loop2): Found nat_bits in checkpoint F2FS-fs (loop2): Mounted with checkpoint version = 753bd00b kauditd_printk_skb: 6 callbacks suppressed audit: type=1800 audit(1677592082.892:5239): pid=2119 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="SYSV00000000" dev="hugetlbfs" ino=884761 res=0 audit: type=1800 audit(1677592083.002:5240): pid=2119 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="SYSV00000000" dev="hugetlbfs" ino=950299 res=0 audit: type=1800 audit(1677592083.092:5241): pid=2123 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="SYSV00000000" dev="hugetlbfs" ino=1015837 res=0 audit: type=1800 audit(1677592083.142:5242): pid=2123 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="SYSV00000000" dev="hugetlbfs" ino=1081375 res=0 audit: type=1800 audit(1677592083.222:5243): pid=2125 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="SYSV00000000" dev="hugetlbfs" ino=1146913 res=0 audit: type=1800 audit(1677592083.262:5244): pid=2125 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="SYSV00000000" dev="hugetlbfs" ino=1212451 res=0 F2FS-fs (loop2): Mismatch start address, segment0(512) cp_blkaddr(605) audit: type=1800 audit(1677592083.332:5245): pid=2127 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="SYSV00000000" dev="hugetlbfs" ino=1277989 res=0 F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop2): invalid crc value audit: type=1800 audit(1677592083.352:5246): pid=2127 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="SYSV00000000" dev="hugetlbfs" ino=1343527 res=0 F2FS-fs (loop2): Found nat_bits in checkpoint audit: type=1800 audit(1677592083.432:5247): pid=2129 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="SYSV00000000" dev="hugetlbfs" ino=1409065 res=0 F2FS-fs (loop2): Mounted with checkpoint version = 753bd00b audit: type=1800 audit(1677592083.482:5248): pid=2129 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="SYSV00000000" dev="hugetlbfs" ino=1474603 res=0