Warning: Permanently added '10.128.1.187' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 41.794788][ T4052] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1479 [ 41.797236][ T4052] in_atomic(): 1, irqs_disabled(): 128, non_block: 0, pid: 4052, name: syz-executor132 [ 41.799700][ T4052] 1 lock held by syz-executor132/4052: [ 41.801054][ T4052] #0: ffff800014b27c98 (css_set_lock){....}-{2:2}, at: cgroup_get_from_path+0x30/0x2a4 [ 41.803414][ T4052] irq event stamp: 13444 [ 41.804492][ T4052] hardirqs last enabled at (13443): [] finish_lock_switch+0xbc/0x1e8 [ 41.806984][ T4052] hardirqs last disabled at (13444): [] _raw_spin_lock_irq+0x38/0x13c [ 41.809349][ T4052] softirqs last enabled at (13426): [] release_sock+0x1e4/0x270 [ 41.811649][ T4052] softirqs last disabled at (13424): [] release_sock+0x3c/0x270 [ 41.814028][ T4052] Preemption disabled at: [ 41.814041][ T4052] [] cgroup_get_from_path+0x30/0x2a4 [ 41.816889][ T4052] CPU: 1 PID: 4052 Comm: syz-executor132 Not tainted 5.15.98-syzkaller #0 [ 41.819150][ T4052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 41.821669][ T4052] Call trace: [ 41.822502][ T4052] dump_backtrace+0x0/0x530 [ 41.823644][ T4052] show_stack+0x2c/0x3c [ 41.824703][ T4052] dump_stack_lvl+0x108/0x170 [ 41.825899][ T4052] dump_stack+0x1c/0x58 [ 41.826926][ T4052] ___might_sleep+0x370/0x4cc [ 41.828160][ T4052] __might_sleep+0x98/0xf0 [ 41.829286][ T4052] down_read+0x30/0x11c [ 41.830287][ T4052] kernfs_walk_and_get_ns+0x8c/0x310 [ 41.831589][ T4052] cgroup_get_from_path+0x64/0x2a4 [ 41.832904][ T4052] cgroup_mt_check_v1+0x18c/0x278 [ 41.834160][ T4052] xt_check_match+0x338/0x914 [ 41.835361][ T4052] translate_table+0x10cc/0x1ac8 [ 41.836621][ T4052] do_ip6t_set_ctl+0x9c4/0x2fd4 [ 41.837837][ T4052] nf_setsockopt+0x270/0x290 [ 41.838999][ T4052] ipv6_setsockopt+0x1ef8/0x3dec [ 41.840218][ T4052] udpv6_setsockopt+0xa8/0xc0 [ 41.841358][ T4052] sock_common_setsockopt+0xb0/0xcc [ 41.842688][ T4052] __sys_setsockopt+0x3a8/0x6b4 [ 41.843896][ T4052] __arm64_sys_setsockopt+0xb8/0xd4 [ 41.845237][ T4052] invoke_syscall+0x98/0x2b8 [ 41.846357][ T4052] el0_svc_common+0x138/0x258 [ 41.847514][ T4052] do_el0_svc+0x58/0x14c [ 41.848553][ T4052] el0_svc+0x7c/0x1f0 [ 41.849554][ T4052] el0t_64_sync_handler+0x84/0xe4 [ 41.850787][ T4052] el0t_64_sync+0x1a0/0x1a4 [ 41.851929][ T4052] [ 41.852485][ T4052] ============================= [ 41.853667][ T4052] [ BUG: Invalid wait context ] [ 41.854812][ T4052] 5.15.98-syzkaller #0 Tainted: G W [ 41.856418][ T4052] ----------------------------- [ 41.857609][ T4052] syz-executor132/4052 is trying to lock: [ 41.859089][ T4052] ffff800014c27e90 (kernfs_rwsem){++++}-{3:3}, at: kernfs_walk_and_get_ns+0x8c/0x310 [ 41.861461][ T4052] other info that might help us debug this: [ 41.862989][ T4052] context-{4:4} [ 41.863868][ T4052] 1 lock held by syz-executor132/4052: [ 41.865182][ T4052] #0: ffff800014b27c98 (css_set_lock){....}-{2:2}, at: cgroup_get_from_path+0x30/0x2a4 [ 41.867636][ T4052] stack backtrace: [ 41.868564][ T4052] CPU: 1 PID: 4052 Comm: syz-executor132 Tainted: G W 5.15.98-syzkaller #0 [ 41.871093][ T4052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 41.873671][ T4052] Call trace: [ 41.874486][ T4052] dump_backtrace+0x0/0x530 [ 41.875681][ T4052] show_stack+0x2c/0x3c [ 41.876743][ T4052] dump_stack_lvl+0x108/0x170 [ 41.877852][ T4052] dump_stack+0x1c/0x58 [ 41.878881][ T4052] __lock_acquire+0x1af4/0x7620 [ 41.880079][ T4052] lock_acquire+0x2b8/0x894 [ 41.881218][ T4052] down_read+0xbc/0x11c [ 41.882287][ T4052] kernfs_walk_and_get_ns+0x8c/0x310 [ 41.883568][ T4052] cgroup_get_from_path+0x64/0x2a4 [ 41.884787][ T4052] cgroup_mt_check_v1+0x18c/0x278 [ 41.885987][ T4052] xt_check_match+0x338/0x914 [ 41.887181][ T4052] translate_table+0x10cc/0x1ac8 [ 41.888384][ T4052] do_ip6t_set_ctl+0x9c4/0x2fd4 [ 41.889585][ T4052] nf_setsockopt+0x270/0x290 [ 41.890762][ T4052] ipv6_setsockopt+0x1ef8/0x3dec [ 41.891985][ T4052] udpv6_setsockopt+0xa8/0xc0 [ 41.893166][ T4052] sock_common_setsockopt+0xb0/0xcc [ 41.894425][ T4052] __sys_setsockopt+0x3a8/0x6b4 [ 41.895645][ T4052] __arm64_sys_setsockopt+0xb8/0xd4 [ 41.896919][ T4052] invoke_syscall+0x98/0x2b8 [ 41.898105][ T4052] el0_svc_common+0x138/0x258 [ 41.899250][ T4052] do_el0_svc+0x58/0x14c [ 41.900308][ T4052] el0_svc+0x7c/0x1f0 [ 41.901265][ T4052] el0t_64_sync_handler+0x84/0xe4 [ 41.902478][ T4052] el0t_64_sync+0x1a0/0x1a4 [ 41.904377][ T4052] ip6t_rpfilter: only valid in 'raw' or 'mangle' table, not ' [ 41.904377][ T4052] %w [ 41.904377][ T4052] ='