Warning: Permanently added '10.128.0.18' (ED25519) to the list of known hosts. executing program [ 34.089522][ T4221] loop0: detected capacity change from 0 to 4096 [ 34.093179][ T4221] ======================================================= [ 34.093179][ T4221] WARNING: The mand mount option has been deprecated and [ 34.093179][ T4221] and is ignored by this kernel. Remove the mand [ 34.093179][ T4221] option from the mount to silence this warning. [ 34.093179][ T4221] ======================================================= [ 34.105148][ T4221] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) [ 34.120132][ T4221] ntfs3: loop0: Mark volume as dirty due to NTFS errors [ 34.127186][ T4221] [ 34.127818][ T4221] ============================================ [ 34.129458][ T4221] WARNING: possible recursive locking detected [ 34.131046][ T4221] 6.1.89-syzkaller #0 Not tainted [ 34.132324][ T4221] -------------------------------------------- [ 34.133947][ T4221] syz-executor417/4221 is trying to acquire lock: [ 34.135693][ T4221] ffff0000e2899e80 (&ni->ni_lock/4){+.+.}-{3:3}, at: mi_read+0x26c/0x4d8 [ 34.137974][ T4221] [ 34.137974][ T4221] but task is already holding lock: [ 34.139983][ T4221] ffff0000e289e840 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_lookup+0xf8/0x1f8 [ 34.142236][ T4221] [ 34.142236][ T4221] other info that might help us debug this: [ 34.144355][ T4221] Possible unsafe locking scenario: [ 34.144355][ T4221] [ 34.146348][ T4221] CPU0 [ 34.147241][ T4221] ---- [ 34.148134][ T4221] lock(&ni->ni_lock/4); [ 34.149296][ T4221] lock(&ni->ni_lock/4); [ 34.150462][ T4221] [ 34.150462][ T4221] *** DEADLOCK *** [ 34.150462][ T4221] [ 34.152673][ T4221] May be due to missing lock nesting notation [ 34.152673][ T4221] [ 34.154862][ T4221] 2 locks held by syz-executor417/4221: [ 34.156301][ T4221] #0: ffff0000e289eae0 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 [ 34.158948][ T4221] #1: ffff0000e289e840 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_lookup+0xf8/0x1f8 [ 34.161394][ T4221] [ 34.161394][ T4221] stack backtrace: [ 34.162939][ T4221] CPU: 0 PID: 4221 Comm: syz-executor417 Not tainted 6.1.89-syzkaller #0 [ 34.165220][ T4221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 34.167881][ T4221] Call trace: [ 34.168747][ T4221] dump_backtrace+0x1c8/0x1f4 [ 34.170019][ T4221] show_stack+0x2c/0x3c [ 34.171120][ T4221] dump_stack_lvl+0x108/0x170 [ 34.172348][ T4221] dump_stack+0x1c/0x5c [ 34.173446][ T4221] __lock_acquire+0x6310/0x7680 [ 34.174740][ T4221] lock_acquire+0x26c/0x7cc [ 34.175940][ T4221] __mutex_lock_common+0x190/0x21a0 [ 34.177270][ T4221] mutex_lock_nested+0x38/0x44 [ 34.178543][ T4221] mi_read+0x26c/0x4d8 [ 34.179639][ T4221] ntfs_iget5+0x360/0x2be8 [ 34.180853][ T4221] dir_search_u+0x298/0x324 [ 34.182017][ T4221] ntfs_lookup+0x108/0x1f8 [ 34.183203][ T4221] __lookup_slow+0x250/0x374 [ 34.184423][ T4221] lookup_slow+0x60/0x84 [ 34.185509][ T4221] walk_component+0x280/0x36c [ 34.186782][ T4221] path_lookupat+0x13c/0x3d0 [ 34.188022][ T4221] filename_lookup+0x1d4/0x4e0 [ 34.189286][ T4221] user_path_at_empty+0x5c/0x84 [ 34.190589][ T4221] path_getxattr+0xe8/0x388 [ 34.191845][ T4221] __arm64_sys_getxattr+0xa0/0xb8 [ 34.193243][ T4221] invoke_syscall+0x98/0x2c0 [ 34.194473][ T4221] el0_svc_common+0x138/0x258 [ 34.195728][ T4221] do_el0_svc+0x64/0x218 [ 34.196842][ T4221] el0_svc+0x58/0x168 [ 34.197924][ T4221] el0t_64_sync_handler+0x84/0xf0 [ 34.199202][ T4221] el0t_64_sync+0x18c/0x190