Warning: Permanently added '10.128.1.30' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 41.881845][ T4066] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1479 [ 41.884197][ T4066] in_atomic(): 1, irqs_disabled(): 128, non_block: 0, pid: 4066, name: syz-executor141 [ 41.886529][ T4066] 1 lock held by syz-executor141/4066: [ 41.887817][ T4066] #0: ffff800014b27c98 (css_set_lock){....}-{2:2}, at: cgroup_get_from_path+0x30/0x2a4 [ 41.890230][ T4066] irq event stamp: 13490 [ 41.891246][ T4066] hardirqs last enabled at (13489): [] finish_lock_switch+0xbc/0x1e8 [ 41.893638][ T4066] hardirqs last disabled at (13490): [] _raw_spin_lock_irq+0x38/0x13c [ 41.895932][ T4066] softirqs last enabled at (13472): [] release_sock+0x1e4/0x270 [ 41.898101][ T4066] softirqs last disabled at (13470): [] release_sock+0x3c/0x270 [ 41.900260][ T4066] Preemption disabled at: [ 41.900267][ T4066] [] cgroup_get_from_path+0x30/0x2a4 [ 41.902911][ T4066] CPU: 1 PID: 4066 Comm: syz-executor141 Not tainted 5.15.98-syzkaller #0 [ 41.904926][ T4066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 41.907390][ T4066] Call trace: [ 41.908215][ T4066] dump_backtrace+0x0/0x530 [ 41.909264][ T4066] show_stack+0x2c/0x3c [ 41.910194][ T4066] dump_stack_lvl+0x108/0x170 [ 41.911327][ T4066] dump_stack+0x1c/0x58 [ 41.912339][ T4066] ___might_sleep+0x370/0x4cc [ 41.913459][ T4066] __might_sleep+0x98/0xf0 [ 41.914517][ T4066] down_read+0x30/0x11c [ 41.915520][ T4066] kernfs_walk_and_get_ns+0x8c/0x310 [ 41.916753][ T4066] cgroup_get_from_path+0x64/0x2a4 [ 41.918006][ T4066] cgroup_mt_check_v1+0x18c/0x278 [ 41.919179][ T4066] xt_check_match+0x338/0x914 [ 41.920211][ T4066] translate_table+0x10cc/0x1ac8 [ 41.921368][ T4066] do_ip6t_set_ctl+0x9c4/0x2fd4 [ 41.922556][ T4066] nf_setsockopt+0x270/0x290 [ 41.923595][ T4066] ipv6_setsockopt+0x1ef8/0x3dec [ 41.924771][ T4066] udpv6_setsockopt+0xa8/0xc0 [ 41.925896][ T4066] sock_common_setsockopt+0xb0/0xcc [ 41.927104][ T4066] __sys_setsockopt+0x3a8/0x6b4 [ 41.928252][ T4066] __arm64_sys_setsockopt+0xb8/0xd4 [ 41.929529][ T4066] invoke_syscall+0x98/0x2b8 [ 41.930619][ T4066] el0_svc_common+0x138/0x258 [ 41.931797][ T4066] do_el0_svc+0x58/0x14c [ 41.932801][ T4066] el0_svc+0x7c/0x1f0 [ 41.933792][ T4066] el0t_64_sync_handler+0x84/0xe4 [ 41.935054][ T4066] el0t_64_sync+0x1a0/0x1a4 [ 41.936117][ T4066] [ 41.936649][ T4066] ============================= [ 41.937830][ T4066] [ BUG: Invalid wait context ] [ 41.938992][ T4066] 5.15.98-syzkaller #0 Tainted: G W [ 41.940501][ T4066] ----------------------------- [ 41.941605][ T4066] syz-executor141/4066 is trying to lock: [ 41.942967][ T4066] ffff800014c27e90 (kernfs_rwsem){++++}-{3:3}, at: kernfs_walk_and_get_ns+0x8c/0x310 [ 41.945193][ T4066] other info that might help us debug this: [ 41.946619][ T4066] context-{4:4} [ 41.947422][ T4066] 1 lock held by syz-executor141/4066: [ 41.948770][ T4066] #0: ffff800014b27c98 (css_set_lock){....}-{2:2}, at: cgroup_get_from_path+0x30/0x2a4 [ 41.951091][ T4066] stack backtrace: [ 41.951967][ T4066] CPU: 1 PID: 4066 Comm: syz-executor141 Tainted: G W 5.15.98-syzkaller #0 [ 41.954264][ T4066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 41.956610][ T4066] Call trace: [ 41.957404][ T4066] dump_backtrace+0x0/0x530 [ 41.958438][ T4066] show_stack+0x2c/0x3c [ 41.959436][ T4066] dump_stack_lvl+0x108/0x170 [ 41.960572][ T4066] dump_stack+0x1c/0x58 [ 41.961494][ T4066] __lock_acquire+0x1af4/0x7620 [ 41.962693][ T4066] lock_acquire+0x2b8/0x894 [ 41.963744][ T4066] down_read+0xbc/0x11c [ 41.964701][ T4066] kernfs_walk_and_get_ns+0x8c/0x310 [ 41.965940][ T4066] cgroup_get_from_path+0x64/0x2a4 [ 41.967146][ T4066] cgroup_mt_check_v1+0x18c/0x278 [ 41.968364][ T4066] xt_check_match+0x338/0x914 [ 41.969416][ T4066] translate_table+0x10cc/0x1ac8 [ 41.970539][ T4066] do_ip6t_set_ctl+0x9c4/0x2fd4 [ 41.971733][ T4066] nf_setsockopt+0x270/0x290 [ 41.972794][ T4066] ipv6_setsockopt+0x1ef8/0x3dec [ 41.973952][ T4066] udpv6_setsockopt+0xa8/0xc0 [ 41.975019][ T4066] sock_common_setsockopt+0xb0/0xcc [ 41.976267][ T4066] __sys_setsockopt+0x3a8/0x6b4 [ 41.977466][ T4066] __arm64_sys_setsockopt+0xb8/0xd4 [ 41.978641][ T4066] invoke_syscall+0x98/0x2b8 [ 41.979710][ T4066] el0_svc_common+0x138/0x258 [ 41.980815][ T4066] do_el0_svc+0x58/0x14c [ 41.981819][ T4066] el0_svc+0x7c/0x1f0 [ 41.982799][ T4066] el0t_64_sync_handler+0x84/0xe4 [ 41.983984][ T4066] el0t_64_sync+0x1a0/0x1a4 [ 41.985234][ T4066] ip6t_rpfilter: only valid in 'raw' or 'mangle' table, not ' [ 41.985234][ T4066] %w [ 41.985234][ T4066] ='