DUID 00:04:11:31:ea:d8:bb:db:47:a8:80:cb:7d:0b:3c:d8:ea:74 forked to background, child pid 3189 [ 25.532222][ T3190] 8021q: adding VLAN 0 to HW filter on device bond0 [ 25.542867][ T3190] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.6' (ECDSA) to the list of known hosts. syzkaller login: [ 47.374484][ T3606] [ 47.374493][ T3606] ============================================ [ 47.374499][ T3606] WARNING: possible recursive locking detected [ 47.374504][ T3606] 5.19.0-rc1-syzkaller-00214-gfe43c0188911 #0 Not tainted [ 47.374512][ T3606] -------------------------------------------- [ 47.374516][ T3606] syz-executor138/3606 is trying to acquire lock: [ 47.374526][ T3606] ffff888078fe6068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x132/0x1bf0 [ 47.374567][ T3606] [ 47.374567][ T3606] but task is already holding lock: [ 47.374569][ T3606] ffff888078fe6c68 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_lock+0x5a/0x70 [ 47.374598][ T3606] [ 47.374598][ T3606] other info that might help us debug this: [ 47.374601][ T3606] Possible unsafe locking scenario: [ 47.374601][ T3606] [ 47.374603][ T3606] CPU0 [ 47.374605][ T3606] ---- [ 47.374607][ T3606] lock(&pipe->mutex/1); [ 47.374616][ T3606] lock(&pipe->mutex/1); [ 47.374624][ T3606] [ 47.374624][ T3606] *** DEADLOCK *** [ 47.374624][ T3606] [ 47.374627][ T3606] May be