Warning: Permanently added '10.128.0.245' (ED25519) to the list of known hosts. executing program [ 38.974513][ T4027] loop0: detected capacity change from 0 to 4096 [ 39.019850][ T4027] ======================================================= [ 39.019850][ T4027] WARNING: The mand mount option has been deprecated and [ 39.019850][ T4027] and is ignored by this kernel. Remove the mand [ 39.019850][ T4027] option from the mount to silence this warning. [ 39.019850][ T4027] ======================================================= [ 39.049524][ T4027] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) [ 39.066144][ T4027] ntfs3: loop0: Mark volume as dirty due to NTFS errors [ 39.073929][ T4027] [ 39.074591][ T4027] ============================================ [ 39.076247][ T4027] WARNING: possible recursive locking detected [ 39.077882][ T4027] 5.15.164-syzkaller #0 Not tainted [ 39.079295][ T4027] -------------------------------------------- [ 39.080894][ T4027] syz-executor923/4027 is trying to acquire lock: [ 39.082639][ T4027] ffff0000de779e80 (&ni->ni_lock/4){+.+.}-{3:3}, at: mi_read+0x26c/0x4d8 [ 39.085455][ T4027] [ 39.085455][ T4027] but task is already holding lock: [ 39.087503][ T4027] ffff0000de77e840 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_lookup+0xf8/0x1f8 [ 39.089902][ T4027] [ 39.089902][ T4027] other info that might help us debug this: [ 39.091988][ T4027] Possible unsafe locking scenario: [ 39.091988][ T4027] [ 39.093905][ T4027] CPU0 [ 39.094855][ T4027] ---- [ 39.095753][ T4027] lock(&ni->ni_lock/4); [ 39.096902][ T4027] lock(&ni->ni_lock/4); [ 39.098080][ T4027] [ 39.098080][ T4027] *** DEADLOCK *** [ 39.098080][ T4027] [ 39.100248][ T4027] May be due to missing lock nesting notation [ 39.100248][ T4027] [ 39.102468][ T4027] 2 locks held by syz-executor923/4027: [ 39.103947][ T4027] #0: ffff0000de77eae0 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 [ 39.106657][ T4027] #1: ffff0000de77e840 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_lookup+0xf8/0x1f8 [ 39.109196][ T4027] [ 39.109196][ T4027] stack backtrace: [ 39.110770][ T4027] CPU: 0 PID: 4027 Comm: syz-executor923 Not tainted 5.15.164-syzkaller #0 [ 39.113071][ T4027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 39.115815][ T4027] Call trace: [ 39.116678][ T4027] dump_backtrace+0x0/0x530 [ 39.117857][ T4027] show_stack+0x2c/0x3c [ 39.119082][ T4027] dump_stack_lvl+0x108/0x170 [ 39.120336][ T4027] dump_stack+0x1c/0x58 [ 39.121479][ T4027] __lock_acquire+0x62bc/0x7638 [ 39.122728][ T4027] lock_acquire+0x240/0x77c [ 39.123921][ T4027] __mutex_lock_common+0x194/0x2154 [ 39.125324][ T4027] mutex_lock_nested+0xa4/0xf8 [ 39.126561][ T4027] mi_read+0x26c/0x4d8 [ 39.127671][ T4027] ntfs_iget5+0x358/0x2be0 [ 39.128774][ T4027] dir_search_u+0x298/0x324 [ 39.129992][ T4027] ntfs_lookup+0x108/0x1f8 [ 39.131136][ T4027] __lookup_slow+0x250/0x388 [ 39.132399][ T4027] lookup_slow+0x60/0x84 [ 39.133523][ T4027] walk_component+0x394/0x4cc [ 39.134744][ T4027] path_lookupat+0x13c/0x3d0 [ 39.135988][ T4027] filename_lookup+0x1c4/0x4c8 [ 39.137271][ T4027] user_path_at_empty+0x5c/0x1a4 [ 39.138648][ T4027] path_getxattr+0xb8/0x218 [ 39.139865][ T4027] __arm64_sys_getxattr+0xa0/0xb8 [ 39.141216][ T4027] invoke_syscall+0x98/0x2b8 [ 39.142427][ T4027] el0_svc_common+0x138/0x258 [ 39.143669][ T4027] do_el0_svc+0x58/0x14c [ 39.144819][ T4027] el0_svc+0x7c/0x1f0 [ 39.145877][ T4027] el0t_64_sync_handler+0x84/0xe4 [ 39.147338][ T4027] el0t_64_sync+0x1a0/0x1a4 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program