BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1508 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 23431, name: syz-executor.0 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [] copy_process+0x20e1/0x71b0 kernel/fork.c:2197 softirqs last enabled at (0): [] copy_process+0x2129/0x71b0 kernel/fork.c:2201 softirqs last disabled at (0): [<0000000000000000>] 0x0 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 23431 Comm: syz-executor.0 Not tainted 6.0.0-rc6-next-20220923-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 __might_resched.cold+0x222/0x26b kernel/sched/core.c:9893 down_read+0x71/0x450 kernel/locking/rwsem.c:1508 kernfs_walk_and_get_ns+0xcc/0x3a0 fs/kernfs/dir.c:898 kernfs_walk_and_get include/linux/kernfs.h:603 [inline] cgroup_get_from_path+0x61/0x610 kernel/cgroup/cgroup.c:6776 cgroup_mt_check_v1+0x19a/0x2f0 net/netfilter/xt_cgroup.c:56 xt_check_match+0x275/0x9f0 net/netfilter/x_tables.c:523 check_match net/ipv4/netfilter/ip_tables.c:473 [inline] find_check_match net/ipv4/netfilter/ip_tables.c:489 [inline] find_check_entry.constprop.0+0x31a/0x9a0 net/ipv4/netfilter/ip_tables.c:539 translate_table+0xc26/0x16a0 net/ipv4/netfilter/ip_tables.c:718 do_replace net/ipv4/netfilter/ip_tables.c:1136 [inline] do_ipt_set_ctl+0x56c/0xb10 net/ipv4/netfilter/ip_tables.c:1630 nf_setsockopt+0x83/0xe0 net/netfilter/nf_sockopt.c:101 ip_setsockopt+0xee/0x100 net/ipv4/ip_sockglue.c:1444 tcp_setsockopt+0x9b/0x100 net/ipv4/tcp.c:3798 __sys_setsockopt+0x2d6/0x690 net/socket.c:2252 __do_sys_setsockopt net/socket.c:2263 [inline] __se_sys_setsockopt net/socket.c:2260 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2260 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fed86e8a5a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fed87faf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007fed86fabf80 RCX: 00007fed86e8a5a9 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007fed86ee5580 R08: 0000000000001290 R09: 0000000000000000 R10: 0000000020001c40 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe1211919f R14: 00007fed87faf300 R15: 0000000000022000 xt_cgroup: invalid path, errno=-2