REISERFS warning (device loop4): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount.
REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "��<<�G4�� "
======================================================
WARNING: possible circular locking dependency detected
6.3.0-rc1-syzkaller-gfe15c26ee26e #0 Not tainted
------------------------------------------------------
syz-executor.4/8309 is trying to acquire lock:
ffff000122760090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27
but task is already holding lock:
ffff0000d72fa460 (sb_writers#17){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2181 [inline]
ffff0000d72fa460 (sb_writers#17){.+.+}-{0:0}, at: iterate_dir+0x400/0x4e4 fs/readdir.c:70
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (sb_writers#17){.+.+}-{0:0}:
percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
__sb_start_write include/linux/fs.h:1477 [inline]
sb_start_write+0x7c/0x308 include/linux/fs.h:1552
mnt_want_write_file+0x64/0x1e8 fs/namespace.c:438
reiserfs_ioctl+0x184/0x454 fs/reiserfs/ioctl.c:103
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
-> #0 (&sbi->lock){+.+.}-{3:3}:
check_prev_add kernel/locking/lockdep.c:3098 [inline]
check_prevs_add kernel/locking/lockdep.c:3217 [inline]
validate_chain kernel/locking/lockdep.c:3832 [inline]
__lock_acquire+0x3338/0x764c kernel/locking/lockdep.c:5056
lock_acquire+0x2f0/0x8c8 kernel/locking/lockdep.c:5669
__mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:603
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27
reiserfs_dirty_inode+0xe4/0x204 fs/reiserfs/super.c:704
__mark_inode_dirty+0x4a0/0x1934 fs/fs-writeback.c:2421
generic_update_time fs/inode.c:1860 [inline]
inode_update_time fs/inode.c:1873 [inline]
touch_atime+0x5f0/0x8ec fs/inode.c:1945
file_accessed include/linux/fs.h:2181 [inline]
iterate_dir+0x400/0x4e4 fs/readdir.c:70
__do_sys_getdents64 fs/readdir.c:369 [inline]
__se_sys_getdents64 fs/readdir.c:354 [inline]
__arm64_sys_getdents64+0x1c4/0x4a0 fs/readdir.c:354
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(sb_writers#17);
lock(&sbi->lock);
lock(sb_writers#17);
lock(&sbi->lock);
*** DEADLOCK ***
3 locks held by syz-executor.4/8309:
#0: ffff0000c2fd4868 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xd8/0x104 fs/file.c:1046
#1: ffff000129d61020 (&type->i_mutex_dir_key#13){++++}-{3:3}, at: iterate_dir+0x108/0x4e4 fs/readdir.c:55
#2: ffff0000d72fa460 (sb_writers#17){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2181 [inline]
#2: ffff0000d72fa460 (sb_writers#17){.+.+}-{0:0}, at: iterate_dir+0x400/0x4e4 fs/readdir.c:70
stack backtrace:
CPU: 0 PID: 8309 Comm: syz-executor.4 Not tainted 6.3.0-rc1-syzkaller-gfe15c26ee26e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call trace:
dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106
dump_stack+0x1c/0x28 lib/dump_stack.c:113
print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2056
check_noncircular+0x2cc/0x378 kernel/locking/lockdep.c:2178
check_prev_add kernel/locking/lockdep.c:3098 [inline]
check_prevs_add kernel/locking/lockdep.c:3217 [inline]
validate_chain kernel/locking/lockdep.c:3832 [inline]
__lock_acquire+0x3338/0x764c kernel/locking/lockdep.c:5056
lock_acquire+0x2f0/0x8c8 kernel/locking/lockdep.c:5669
__mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:603
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27
reiserfs_dirty_inode+0xe4/0x204 fs/reiserfs/super.c:704
__mark_inode_dirty+0x4a0/0x1934 fs/fs-writeback.c:2421
generic_update_time fs/inode.c:1860 [inline]
inode_update_time fs/inode.c:1873 [inline]
touch_atime+0x5f0/0x8ec fs/inode.c:1945
file_accessed include/linux/fs.h:2181 [inline]
iterate_dir+0x400/0x4e4 fs/readdir.c:70
__do_sys_getdents64 fs/readdir.c:369 [inline]
__se_sys_getdents64 fs/readdir.c:354 [inline]
__arm64_sys_getdents64+0x1c4/0x4a0 fs/readdir.c:354
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591