Warning: Permanently added '10.128.1.55' (ECDSA) to the list of known hosts. executing program [ 43.667529][ T3963] loop0: detected capacity change from 0 to 4096 [ 43.672106][ T3963] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) [ 43.695207][ T3963] [ 43.695692][ T3963] ============================================ [ 43.696988][ T3963] WARNING: possible recursive locking detected [ 43.698267][ T3963] 5.15.110-syzkaller #0 Not tainted [ 43.699359][ T3963] -------------------------------------------- [ 43.700642][ T3963] syz-executor228/3963 is trying to acquire lock: [ 43.701972][ T3963] ffff0000e0011e80 (&ni->ni_lock/4){+.+.}-{3:3}, at: mi_read+0x278/0x488 [ 43.703641][ T3963] [ 43.703641][ T3963] but task is already holding lock: [ 43.705102][ T3963] ffff0000e0016840 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_lookup+0xf4/0x1a4 [ 43.706994][ T3963] [ 43.706994][ T3963] other info that might help us debug this: [ 43.708705][ T3963] Possible unsafe locking scenario: [ 43.708705][ T3963] [ 43.710312][ T3963] CPU0 [ 43.710998][ T3963] ---- [ 43.711659][ T3963] lock(&ni->ni_lock/4); [ 43.712497][ T3963] lock(&ni->ni_lock/4); [ 43.713371][ T3963] [ 43.713371][ T3963] *** DEADLOCK *** [ 43.713371][ T3963] [ 43.715092][ T3963] May be due to missing lock nesting notation [ 43.715092][ T3963] [ 43.716808][ T3963] 2 locks held by syz-executor228/3963: [ 43.717909][ T3963] #0: ffff0000e0016ae0 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: lookup_slow+0x50/0x84 [ 43.719940][ T3963] #1: ffff0000e0016840 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_lookup+0xf4/0x1a4 [ 43.721866][ T3963] [ 43.721866][ T3963] stack backtrace: [ 43.723031][ T3963] CPU: 0 PID: 3963 Comm: syz-executor228 Not tainted 5.15.110-syzkaller #0 [ 43.724740][ T3963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 43.726855][ T3963] Call trace: [ 43.727550][ T3963] dump_backtrace+0x0/0x530 [ 43.728561][ T3963] show_stack+0x2c/0x3c [ 43.729619][ T3963] dump_stack_lvl+0x108/0x170 [ 43.730639][ T3963] dump_stack+0x1c/0x58 [ 43.731415][ T3963] __lock_acquire+0x62b4/0x7620 [ 43.732444][ T3963] lock_acquire+0x240/0x77c [ 43.733392][ T3963] __mutex_lock_common+0x194/0x2154 [ 43.734488][ T3963] mutex_lock_nested+0xa4/0xf8 [ 43.735578][ T3963] mi_read+0x278/0x488 [ 43.736414][ T3963] ntfs_iget5+0x344/0x2b30 [ 43.737382][ T3963] dir_search_u+0x298/0x324 [ 43.738348][ T3963] ntfs_lookup+0x104/0x1a4 [ 43.739338][ T3963] __lookup_slow+0x250/0x388 [ 43.740362][ T3963] lookup_slow+0x60/0x84 [ 43.741216][ T3963] walk_component+0x394/0x4cc [ 43.742209][ T3963] path_lookupat+0x13c/0x3d0 [ 43.743120][ T3963] filename_lookup+0x1c4/0x4c8 [ 43.744254][ T3963] user_path_at_empty+0x5c/0x1a4 [ 43.745528][ T3963] path_setxattr+0xbc/0x258 [ 43.746509][ T3963] __arm64_sys_setxattr+0xbc/0xd8 [ 43.747573][ T3963] invoke_syscall+0x98/0x2b8 [ 43.748529][ T3963] el0_svc_common+0x138/0x258 [ 43.749593][ T3963] do_el0_svc+0x58/0x14c [ 43.750498][ T3963] el0_svc+0x7c/0x1f0 [ 43.751300][ T3963] el0t_64_sync_handler+0x84/0xe4 [ 43.752313][ T3963] el0t_64_sync+0x1a0/0x1a4