Warning: Permanently added '10.128.1.129' (ECDSA) to the list of known hosts. executing program [ 43.359297][ T3963] loop0: detected capacity change from 0 to 4096 [ 43.364315][ T3963] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) [ 43.384438][ T3963] [ 43.384965][ T3963] ============================================ [ 43.386237][ T3963] WARNING: possible recursive locking detected [ 43.387480][ T3963] 5.15.110-syzkaller #0 Not tainted [ 43.388535][ T3963] -------------------------------------------- [ 43.389759][ T3963] syz-executor469/3963 is trying to acquire lock: [ 43.391079][ T3963] ffff0000dfc89e80 (&ni->ni_lock/4){+.+.}-{3:3}, at: mi_read+0x278/0x488 [ 43.392799][ T3963] [ 43.392799][ T3963] but task is already holding lock: [ 43.394344][ T3963] ffff0000dfc8e840 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_lookup+0xf4/0x1a4 [ 43.396201][ T3963] [ 43.396201][ T3963] other info that might help us debug this: [ 43.397892][ T3963] Possible unsafe locking scenario: [ 43.397892][ T3963] [ 43.399419][ T3963] CPU0 [ 43.400087][ T3963] ---- [ 43.400744][ T3963] lock(&ni->ni_lock/4); [ 43.401670][ T3963] lock(&ni->ni_lock/4); [ 43.402565][ T3963] [ 43.402565][ T3963] *** DEADLOCK *** [ 43.402565][ T3963] [ 43.404294][ T3963] May be due to missing lock nesting notation [ 43.404294][ T3963] [ 43.406101][ T3963] 2 locks held by syz-executor469/3963: [ 43.407302][ T3963] #0: ffff0000dfc8eae0 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: lookup_slow+0x50/0x84 [ 43.409458][ T3963] #1: ffff0000dfc8e840 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_lookup+0xf4/0x1a4 [ 43.411385][ T3963] [ 43.411385][ T3963] stack backtrace: [ 43.412619][ T3963] CPU: 1 PID: 3963 Comm: syz-executor469 Not tainted 5.15.110-syzkaller #0 [ 43.414428][ T3963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 43.416495][ T3963] Call trace: [ 43.417166][ T3963] dump_backtrace+0x0/0x530 [ 43.418090][ T3963] show_stack+0x2c/0x3c [ 43.418974][ T3963] dump_stack_lvl+0x108/0x170 [ 43.419958][ T3963] dump_stack+0x1c/0x58 [ 43.420821][ T3963] __lock_acquire+0x62b4/0x7620 [ 43.421856][ T3963] lock_acquire+0x240/0x77c [ 43.422800][ T3963] __mutex_lock_common+0x194/0x2154 [ 43.423904][ T3963] mutex_lock_nested+0xa4/0xf8 [ 43.424919][ T3963] mi_read+0x278/0x488 [ 43.425765][ T3963] ntfs_iget5+0x344/0x2b30 [ 43.426736][ T3963] dir_search_u+0x298/0x324 [ 43.427683][ T3963] ntfs_lookup+0x104/0x1a4 [ 43.428623][ T3963] __lookup_slow+0x250/0x388 [ 43.429651][ T3963] lookup_slow+0x60/0x84 [ 43.430574][ T3963] walk_component+0x394/0x4cc [ 43.431576][ T3963] path_lookupat+0x13c/0x3d0 [ 43.432561][ T3963] filename_lookup+0x1c4/0x4c8 [ 43.433556][ T3963] user_path_at_empty+0x5c/0x1a4 [ 43.434610][ T3963] path_setxattr+0xbc/0x258 [ 43.435565][ T3963] __arm64_sys_setxattr+0xbc/0xd8 [ 43.436607][ T3963] invoke_syscall+0x98/0x2b8 [ 43.437543][ T3963] el0_svc_common+0x138/0x258 [ 43.438516][ T3963] do_el0_svc+0x58/0x14c [ 43.439410][ T3963] el0_svc+0x7c/0x1f0 [ 43.440231][ T3963] el0t_64_sync_handler+0x84/0xe4 [ 43.441308][ T3963] el0t_64_sync+0x1a0/0x1a4