[ 18.025033][ T3637] 8021q: adding VLAN 0 to HW filter on device bond0 [ 18.028308][ T3637] eql: remember to turn off Van-Jacobson compression on your slave devices [ 18.085974][ T136] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 18.090821][ T3549] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.157' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.887086][ T3961] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1487 [ 36.889230][ T3961] in_atomic(): 1, irqs_disabled(): 128, non_block: 0, pid: 3961, name: syz-executor362 [ 36.891507][ T3961] 1 lock held by syz-executor362/3961: [ 36.892689][ T3961] #0: ffff800014ac6ad8 (css_set_lock){....}-{2:2}, at: cgroup_get_from_path+0x30/0x300 [ 36.894828][ T3961] irq event stamp: 13298 [ 36.895715][ T3961] hardirqs last enabled at (13297): [] finish_lock_switch+0xbc/0x1e8 [ 36.898002][ T3961] hardirqs last disabled at (13298): [] _raw_spin_lock_irq+0x38/0x13c [ 36.900242][ T3961] softirqs last enabled at (13280): [] release_sock+0x1e4/0x270 [ 36.902329][ T3961] softirqs last disabled at (13278): [] release_sock+0x3c/0x270 [ 36.904469][ T3961] Preemption disabled at: [ 36.904475][ T3961] [] cgroup_get_from_path+0x30/0x300 [ 36.906952][ T3961] CPU: 0 PID: 3961 Comm: syz-executor362 Not tainted 5.15.112-syzkaller #0 [ 36.908905][ T3961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 36.911111][ T3961] Call trace: [ 36.911883][ T3961] dump_backtrace+0x0/0x530 [ 36.912834][ T3961] show_stack+0x2c/0x3c [ 36.913811][ T3961] dump_stack_lvl+0x108/0x170 [ 36.914888][ T3961] dump_stack+0x1c/0x58 [ 36.915745][ T3961] ___might_sleep+0x380/0x4dc [ 36.916789][ T3961] __might_sleep+0x98/0xf0 [ 36.917807][ T3961] down_read+0x34/0x398 [ 36.918811][ T3961] kernfs_walk_and_get_ns+0x8c/0x310 [ 36.920009][ T3961] cgroup_get_from_path+0x64/0x300 [ 36.921137][ T3961] cgroup_mt_check_v1+0x18c/0x278 [ 36.922293][ T3961] xt_check_match+0x338/0x914 [ 36.923352][ T3961] translate_table+0x10a0/0x1a98 [ 36.924413][ T3961] do_ipt_set_ctl+0x9c4/0x2fd4 [ 36.925453][ T3961] nf_setsockopt+0x270/0x290 [ 36.926471][ T3961] ip_setsockopt+0x1d70/0x32cc [ 36.927558][ T3961] udp_setsockopt+0xa4/0xbc [ 36.928524][ T3961] sock_common_setsockopt+0xb0/0xcc [ 36.929614][ T3961] __sys_setsockopt+0x3a8/0x6b4 [ 36.930752][ T3961] __arm64_sys_setsockopt+0xb8/0xd4 [ 36.931906][ T3961] invoke_syscall+0x98/0x2b8 [ 36.932953][ T3961] el0_svc_common+0x138/0x258 [ 36.934076][ T3961] do_el0_svc+0x58/0x14c [ 36.935062][ T3961] el0_svc+0x7c/0x1f0 [ 36.935943][ T3961] el0t_64_sync_handler+0x84/0xe4 [ 36.937080][ T3961] el0t_64_sync+0x1a0/0x1a4 [ 36.938142][ T3961] [ 36.938660][ T3961] ============================= [ 36.939724][ T3961] [ BUG: Invalid wait context ] [ 36.940817][ T3961] 5.15.112-syzkaller #0 Tainted: G W [ 36.942234][ T3961] ----------------------------- [ 36.943351][ T3961] syz-executor362/3961 is trying to lock: [ 36.944613][ T3961] ffff800014bc5dd0 (kernfs_rwsem){++++}-{3:3}, at: kernfs_walk_and_get_ns+0x8c/0x310 [ 36.946796][ T3961] other info that might help us debug this: [ 36.948190][ T3961] context-{4:4} [ 36.949000][ T3961] 1 lock held by syz-executor362/3961: [ 36.950204][ T3961] #0: ffff800014ac6ad8 (css_set_lock){....}-{2:2}, at: cgroup_get_from_path+0x30/0x300 [ 36.952354][ T3961] stack backtrace: [ 36.953113][ T3961] CPU: 0 PID: 3961 Comm: syz-executor362 Tainted: G W 5.15.112-syzkaller #0 [ 36.955338][ T3961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 36.957610][ T3961] Call trace: [ 36.958329][ T3961] dump_backtrace+0x0/0x530 [ 36.959355][ T3961] show_stack+0x2c/0x3c [ 36.960315][ T3961] dump_stack_lvl+0x108/0x170 [ 36.961305][ T3961] dump_stack+0x1c/0x58 [ 36.962228][ T3961] __lock_acquire+0x1af4/0x7620 [ 36.963413][ T3961] lock_acquire+0x240/0x77c [ 36.964434][ T3961] down_read+0xc0/0x398 [ 36.965327][ T3961] kernfs_walk_and_get_ns+0x8c/0x310 [ 36.966524][ T3961] cgroup_get_from_path+0x64/0x300 [ 36.967646][ T3961] cgroup_mt_check_v1+0x18c/0x278 [ 36.968812][ T3961] xt_check_match+0x338/0x914 [ 36.969819][ T3961] translate_table+0x10a0/0x1a98 [ 36.970922][ T3961] do_ipt_set_ctl+0x9c4/0x2fd4 [ 36.972001][ T3961] nf_setsockopt+0x270/0x290 [ 36.973010][ T3961] ip_setsockopt+0x1d70/0x32cc [ 36.974069][ T3961] udp_setsockopt+0xa4/0xbc [ 36.975099][ T3961] sock_common_setsockopt+0xb0/0xcc [ 36.976318][ T3961] __sys_setsockopt+0x3a8/0x6b4 [ 36.977423][ T3961] __arm64_sys_setsockopt+0xb8/0xd4 [ 36.978626][ T3961] invoke_syscall+0x98/0x2b8 [ 36.979667][ T3961] el0_svc_common+0x138/0x258 [ 36.980688][ T3961] do_el0_svc+0x58/0x14c [ 36.981655][ T3961] el0_svc+0x7c/0x1f0 [ 36.982516][ T3961] el0t_64_sync_handler+0x84/0xe4 [ 36.983690][ T3961] el0t_64_sync+0x1a0/0x1a4 [ 36.985971][ T3961] xt_cgroup: invalid path, errno=-2