hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
======================================================
WARNING: possible circular locking dependency detected
4.19.211-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.4/19722 is trying to acquire lock:
0000000074e63e0f (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_get_block+0x292/0x960 fs/hfsplus/extents.c:260
but task is already holding lock:
00000000000cfc24 (&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_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
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 ***
2 locks held by syz-executor.4/19722:
#0: 00000000988bb0ea (&type->s_umount_key#75/1){+.+.}, at: alloc_super fs/super.c:226 [inline]
#0: 00000000988bb0ea (&type->s_umount_key#75/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519
#1: 00000000000cfc24 (&tree->tree_lock){+.+.}, at: hfsplus_find_init+0x1b7/0x220 fs/hfsplus/bfind.c:30
stack backtrace:
CPU: 0 PID: 19722 Comm: syz-executor.4 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_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
RIP: 0033:0x7f8a3abc762a
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f8a39116f88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000640 RCX: 00007f8a3abc762a
RDX: 00000000200000c0 RSI: 0000000020000640 RDI: 00007f8a39116fe0
RBP: 00007f8a39117020 R08: 00007f8a39117020 R09: 000000000300040a
R10: 000000000300040a R11: 0000000000000206 R12: 00000000200000c0
R13: 0000000020000640 R14: 00007f8a39116fe0 R15: 0000000020000180
hfsplus: b-tree write err: -5, ino 4
hfsplus: failed to load root directory
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: failed to load root directory
hfsplus: b-tree write err: -5, ino 4
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: failed to load root directory
hfsplus: b-tree write err: -5, ino 4
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: failed to load root directory
hfsplus: b-tree write err: -5, ino 4
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: cannot replace xattr
hfsplus: b-tree write err: -5, ino 4
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: cannot replace xattr
hfsplus: b-tree write err: -5, ino 4
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
IPVS: ftp: loaded support on port[0] = 21
hfsplus: cannot replace xattr
hfsplus: b-tree write err: -5, ino 4
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: cannot replace xattr
hfsplus: b-tree write err: -5, ino 4
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: cannot replace xattr
hfsplus: b-tree write err: -5, ino 4
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: cannot replace xattr
hfsplus: b-tree write err: -5, ino 4
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: invalid extent max_key_len 0
hfsplus: failed to load extents file
hfsplus: invalid attributes max_key_len 0
hfsplus: failed to load attributes file