REISERFS (device loop2): checking transaction log (loop2) REISERFS (device loop2): Using r5 hash to sort names netlink: 60 bytes leftover after parsing attributes in process `syz-executor.3'. reiserfs: enabling write barrier flush mode ====================================================== WARNING: possible circular locking dependency detected 4.19.211-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.1/10414 is trying to acquire lock: 0000000070311771 (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_file_extend+0x1bb/0xf40 fs/hfsplus/extents.c:457 but task is already holding lock: 00000000741907df (&tree->tree_lock){+.+.}, at: hfsplus_find_init+0x1b7/0x220 fs/hfsplus/bfind.c:30 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&tree->tree_lock){+.+.}: hfsplus_file_truncate+0xde7/0x1040 fs/hfsplus/extents.c:595 hfsplus_setattr+0x1e7/0x310 fs/hfsplus/inode.c:263 notify_change+0x70b/0xfc0 fs/attr.c:334 do_truncate+0x134/0x1f0 fs/open.c:63 handle_truncate fs/namei.c:3009 [inline] do_last fs/namei.c:3427 [inline] path_openat+0x2308/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&HFSPLUS_I(inode)->extents_lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:937 [inline] __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078 hfsplus_file_extend+0x1bb/0xf40 fs/hfsplus/extents.c:457 hfsplus_bmap_reserve+0x298/0x440 fs/hfsplus/btree.c:357 hfsplus_rename_cat+0x272/0x1490 fs/hfsplus/catalog.c:456 hfsplus_unlink+0x49c/0x820 fs/hfsplus/dir.c:376 vfs_unlink+0x27d/0x4e0 fs/namei.c:4002 do_unlinkat+0x3b8/0x660 fs/namei.c:4065 do_coredump+0x1f9c/0x2d60 fs/coredump.c:687 get_signal+0xed9/0x1f70 kernel/signal.c:2583 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode+0x277/0x2d0 arch/x86/entry/common.c:198 retint_user+0x8/0x18 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&tree->tree_lock); lock(&HFSPLUS_I(inode)->extents_lock); lock(&tree->tree_lock); lock(&HFSPLUS_I(inode)->extents_lock); *** DEADLOCK *** 5 locks held by syz-executor.1/10414: #0: 000000001e0031ca (sb_writers#14){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 000000001e0031ca (sb_writers#14){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000591a4238 (&type->i_mutex_dir_key#8/1){+.+.}, at: inode_lock_nested include/linux/fs.h:783 [inline] #1: 00000000591a4238 (&type->i_mutex_dir_key#8/1){+.+.}, at: do_unlinkat+0x27d/0x660 fs/namei.c:4051 #2: 000000001fd0006f (&sb->s_type->i_mutex_key#21){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #2: 000000001fd0006f (&sb->s_type->i_mutex_key#21){+.+.}, at: vfs_unlink+0xca/0x4e0 fs/namei.c:3993 #3: 0000000059a8f505 (&sbi->vh_mutex){+.+.}, at: hfsplus_unlink+0x140/0x820 fs/hfsplus/dir.c:370 #4: 00000000741907df (&tree->tree_lock){+.+.}, at: hfsplus_find_init+0x1b7/0x220 fs/hfsplus/bfind.c:30 stack backtrace: CPU: 0 PID: 10414 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 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_extend+0x1bb/0xf40 fs/hfsplus/extents.c:457 hfsplus_bmap_reserve+0x298/0x440 fs/hfsplus/btree.c:357 hfsplus_rename_cat+0x272/0x1490 fs/hfsplus/catalog.c:456 hfsplus_unlink+0x49c/0x820 fs/hfsplus/dir.c:376 vfs_unlink+0x27d/0x4e0 fs/namei.c:4002 do_unlinkat+0x3b8/0x660 fs/namei.c:4065 do_coredump+0x1f9c/0x2d60 fs/coredump.c:687 get_signal+0xed9/0x1f70 kernel/signal.c:2583 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode+0x277/0x2d0 arch/x86/entry/common.c:198 retint_user+0x8/0x18 RIP: 0033:0x202ee000 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. RSP: 002b:0000000020000188 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00007fd93e981050 RCX: 00007fd93e8610f9 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000000 RBP: 00007fd93e8bcae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000240 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd4d7ba5bf R14: 00007fd93cdb2300 R15: 0000000000022000 overlayfs: upper fs needs to support d_type. overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off. overlayfs: failed to resolve './file0': -2 REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "F9euMJQz*:WG=tp}2}LM6qL/ )Zh\%W6 X\䱺*jNVYD$?d11\asЩqp=A@Q78g0177777777777777777777718446744073709551615C*JmR+pc]^ e*" REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "F9euMJQz*:WG=tp}2}LM6qL/ )Zh\%W6 X\䱺*jNVYD$?d11\asЩqp=A@Q78g0177777777777777777777718446744073709551615C*JmR+pc]^ e*" overlayfs: failed to resolve './file1': -2 REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal REISERFS (device loop2): using ordered data mode reiserfs: using flush barriers REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop2): checking transaction log (loop2) REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal REISERFS (device loop2): Using r5 hash to sort names REISERFS (device loop5): using ordered data mode reiserfs: using flush barriers REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop5): checking transaction log (loop5) REISERFS (device loop5): Using r5 hash to sort names reiserfs: enabling write barrier flush mode REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal reiserfs: enabling write barrier flush mode REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. REISERFS (device loop1): using ordered data mode overlayfs: upper fs needs to support d_type. overlayfs: upper fs needs to support d_type. reiserfs: using flush barriers overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off. REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off. overlayfs: failed to resolve './file0': -2 REISERFS (device loop1): checking transaction log (loop1) REISERFS (device loop1): Using r5 hash to sort names reiserfs: enabling write barrier flush mode REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal overlayfs: upper fs needs to support d_type. REISERFS (device loop0): using ordered data mode overlayfs: upper fs does not support tmpfile. reiserfs: using flush barriers overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off. overlayfs: failed to resolve './file0': -2 REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 ieee802154 phy0 wpan0: encryption failed: -22 REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal ieee802154 phy1 wpan1: encryption failed: -22 REISERFS (device loop5): using ordered data mode reiserfs: using flush barriers REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop5): checking transaction log (loop5) REISERFS (device loop5): Using r5 hash to sort names reiserfs: enabling write barrier flush mode REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. REISERFS (device loop0): checking transaction log (loop0) REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal REISERFS (device loop0): Using r5 hash to sort names REISERFS (device loop2): using ordered data mode overlayfs: upper fs needs to support d_type. reiserfs: using flush barriers reiserfs: enabling write barrier flush mode overlayfs: upper fs does not support tmpfile. REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. REISERFS (device loop1): using ordered data mode reiserfs: using flush barriers REISERFS (device loop2): checking transaction log (loop2) overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off. REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop1): checking transaction log (loop1) overlayfs: failed to resolve './file0': -2 REISERFS (device loop2): Using r5 hash to sort names REISERFS (device loop1): Using r5 hash to sort names overlayfs: upper fs needs to support d_type. overlayfs: upper fs does not support tmpfile. reiserfs: enabling write barrier flush mode audit: type=1804 audit(1676288639.015:7): pid=10584 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir562742690/syzkaller.gkfPo8/27/file0/bus" dev="ramfs" ino=32452 res=1 reiserfs: enabling write barrier flush mode audit: type=1804 audit(1676288639.055:8): pid=10584 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir562742690/syzkaller.gkfPo8/27/file0/bus" dev="ramfs" ino=32452 res=1 overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off. REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. overlayfs: failed to resolve './file0': -2 overlayfs: upper fs needs to support d_type. REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off. overlayfs: failed to resolve './file0': -2 overlayfs: upper fs needs to support d_type. overlayfs: upper fs does not support tmpfile. audit: type=1804 audit(1676288639.365:9): pid=10597 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir2469905193/syzkaller.c05YYK/21/file0/bus" dev="ramfs" ino=33611 res=1 overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off. audit: type=1804 audit(1676288639.395:10): pid=10598 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir562742690/syzkaller.gkfPo8/28/file0/bus" dev="ramfs" ino=32469 res=1 audit: type=1804 audit(1676288639.395:11): pid=10597 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir2469905193/syzkaller.c05YYK/21/file0/bus" dev="ramfs" ino=33611 res=1 audit: type=1804 audit(1676288639.415:12): pid=10598 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir562742690/syzkaller.gkfPo8/28/file0/bus" dev="ramfs" ino=32469 res=1 REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal REISERFS (device loop0): using ordered data mode overlayfs: failed to resolve './file0': -2 reiserfs: using flush barriers REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 audit: type=1804 audit(1676288639.675:13): pid=10616 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir2469905193/syzkaller.c05YYK/22/file0/bus" dev="ramfs" ino=32485 res=1 audit: type=1804 audit(1676288639.675:14): pid=10616 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir2469905193/syzkaller.c05YYK/22/file0/bus" dev="ramfs" ino=32485 res=1 audit: type=1804 audit(1676288639.765:15): pid=10620 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir562742690/syzkaller.gkfPo8/29/file0/bus" dev="ramfs" ino=33644 res=1 audit: type=1804 audit(1676288639.765:16): pid=10620 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir562742690/syzkaller.gkfPo8/29/file0/bus" dev="ramfs" ino=33644 res=1 REISERFS (device loop0): checking transaction log (loop0) REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal REISERFS (device loop2): using ordered data mode REISERFS (device loop0): Using r5 hash to sort names reiserfs: using flush barriers REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop2): checking transaction log (loop2) reiserfs: enabling write barrier flush mode REISERFS (device loop2): Using r5 hash to sort names REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. reiserfs: enabling write barrier flush mode REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. overlayfs: upper fs needs to support d_type. overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off. overlayfs: upper fs needs to support d_type. overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off. ntfs: volume version 3.1. REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal REISERFS (device loop0): using ordered data mode reiserfs: using flush barriers REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop0): checking transaction log (loop0) REISERFS (device loop0): Using r5 hash to sort names reiserfs: enabling write barrier flush mode REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. overlayfs: upper fs needs to support d_type. overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off. ntfs: volume version 3.1. ntfs: volume version 3.1. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: "xino" feature enabled using 1 upper inode bits. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. ntfs: volume version 3.1. overlayfs: "xino" feature enabled using 1 upper inode bits. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. ntfs: volume version 3.1. overlayfs: "xino" feature enabled using 1 upper inode bits. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: "xino" feature enabled using 1 upper inode bits. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: "xino" feature enabled using 1 upper inode bits. ntfs: volume version 3.1. ntfs: volume version 3.1. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: "xino" feature enabled using 1 upper inode bits. overlayfs: "xino" feature enabled using 1 upper inode bits. EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop5): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop5): This should not happen!! Data will be lost EXT4-fs (loop5): Total free blocks count 0 EXT4-fs (loop5): Free/Dirty block details EXT4-fs (loop5): free_blocks=2415919104 EXT4-fs (loop5): Online defrag not supported with bigalloc EXT4-fs (loop5): dirty_blocks=16 EXT4-fs (loop5): Block reservation details EXT4-fs (loop5): i_reserved_data_blocks=1 EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop1): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop5): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop1): Online defrag not supported with bigalloc EXT4-fs (loop5): Online defrag not supported with bigalloc EXT4-fs (loop1): This should not happen!! Data will be lost EXT4-fs (loop1): Total free blocks count 0 EXT4-fs error (device loop2): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters EXT4-fs (loop1): Free/Dirty block details EXT4-fs (loop1): free_blocks=2415919104 EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop1): dirty_blocks=16 EXT4-fs (loop1): Block reservation details EXT4-fs (loop1): i_reserved_data_blocks=1 EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop5): This should not happen!! Data will be lost EXT4-fs (loop5): Total free blocks count 0 EXT4-fs (loop2): This should not happen!! Data will be lost EXT4-fs (loop5): Free/Dirty block details EXT4-fs (loop5): free_blocks=2415919104 EXT4-fs (loop5): dirty_blocks=16 EXT4-fs (loop5): Block reservation details EXT4-fs (loop5): i_reserved_data_blocks=1 EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop2): Total free blocks count 0 EXT4-fs (loop2): Free/Dirty block details EXT4-fs (loop2): free_blocks=2415919104 EXT4-fs (loop2): Online defrag not supported with bigalloc EXT4-fs (loop2): dirty_blocks=16 EXT4-fs (loop2): Block reservation details EXT4-fs (loop2): i_reserved_data_blocks=1 EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28