[ 15.563975][ T3893] 8021q: adding VLAN 0 to HW filter on device bond0 [ 15.571159][ T3893] eql: remember to turn off Van-Jacobson compression on your slave devices [ 15.614108][ T11] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 15.617969][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.160' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 40.024514][ T4217] loop0: detected capacity change from 0 to 4096 [ 40.029727][ T4217] ntfs3: loop0: Different NTFS' sector size (2048) and media sector size (512) [ 40.050652][ T4217] ntfs3: loop0: ino=1b, "file0" ntfs_iget5 [ 40.051962][ T4217] [ 40.052468][ T4217] ============================================ [ 40.053750][ T4217] WARNING: possible recursive locking detected [ 40.055106][ T4217] 6.1.27-syzkaller #0 Not tainted [ 40.056110][ T4217] -------------------------------------------- [ 40.057424][ T4217] syz-executor120/4217 is trying to acquire lock: [ 40.058780][ T4217] ffff0000e2400100 (&ni->ni_lock){+.+.}-{3:3}, at: ntfs_set_state+0x1a4/0x5c4 [ 40.060672][ T4217] [ 40.060672][ T4217] but task is already holding lock: [ 40.062217][ T4217] ffff0000e2407700 (&ni->ni_lock){+.+.}-{3:3}, at: ni_write_inode+0x134/0xfb8 [ 40.064186][ T4217] [ 40.064186][ T4217] other info that might help us debug this: [ 40.065926][ T4217] Possible unsafe locking scenario: [ 40.065926][ T4217] [ 40.067608][ T4217] CPU0 [ 40.068351][ T4217] ---- [ 40.069081][ T4217] lock(&ni->ni_lock); [ 40.069988][ T4217] lock(&ni->ni_lock); [ 40.070873][ T4217] [ 40.070873][ T4217] *** DEADLOCK *** [ 40.070873][ T4217] [ 40.072570][ T4217] May be due to missing lock nesting notation [ 40.072570][ T4217] [ 40.074291][ T4217] 3 locks held by syz-executor120/4217: [ 40.075467][ T4217] #0: ffff0000d5d0a460 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c [ 40.077393][ T4217] #1: ffff0000e24079a0 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: do_truncate+0x1ac/0x28c [ 40.079674][ T4217] #2: ffff0000e2407700 (&ni->ni_lock){+.+.}-{3:3}, at: ni_write_inode+0x134/0xfb8 [ 40.081651][ T4217] [ 40.081651][ T4217] stack backtrace: [ 40.082871][ T4217] CPU: 0 PID: 4217 Comm: syz-executor120 Not tainted 6.1.27-syzkaller #0 [ 40.084767][ T4217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 40.086898][ T4217] Call trace: [ 40.087550][ T4217] dump_backtrace+0x1c8/0x1f4 [ 40.088499][ T4217] show_stack+0x2c/0x3c [ 40.089350][ T4217] dump_stack_lvl+0x108/0x170 [ 40.090372][ T4217] dump_stack+0x1c/0x5c [ 40.091223][ T4217] __lock_acquire+0x6310/0x764c [ 40.092315][ T4217] lock_acquire+0x26c/0x7cc [ 40.093351][ T4217] __mutex_lock_common+0x190/0x21a0 [ 40.094472][ T4217] mutex_lock_nested+0x38/0x44 [ 40.095508][ T4217] ntfs_set_state+0x1a4/0x5c4 [ 40.096456][ T4217] ntfs_bad_inode+0x88/0x9c [ 40.097430][ T4217] ntfs_iget5+0x2d4/0x2b38 [ 40.098417][ T4217] ni_update_parent+0x688/0xa58 [ 40.099447][ T4217] ni_write_inode+0xc4c/0xfb8 [ 40.100454][ T4217] ntfs_sync_inode+0x2c/0x3c [ 40.101442][ T4217] ntfs3_setattr+0x784/0x974 [ 40.102481][ T4217] notify_change+0xc24/0xec0 [ 40.103462][ T4217] do_truncate+0x1c0/0x28c [ 40.104398][ T4217] vfs_truncate+0x2c4/0x36c [ 40.105358][ T4217] do_sys_truncate+0xec/0x1b4 [ 40.106338][ T4217] __arm64_sys_truncate+0x5c/0x70 [ 40.107601][ T4217] invoke_syscall+0x98/0x2c0 [ 40.108555][ T4217] el0_svc_common+0x138/0x258 [ 40.109546][ T4217] do_el0_svc+0x64/0x218 [ 40.110491][ T4217] el0_svc+0x58/0x168 [ 40.111358][ T4217] el0t_64_sync_handler+0x84/0xf0 [ 40.112482][ T4217] el0t_64_sync+0x18c/0x190 [ 40.113599][ T4217] ntfs3: loop0: Mark volume as dirty due to NTFS errors