BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1508 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 3801, name: syz-executor.2 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+0x20e1/0x7190 kernel/fork.c:2194 softirqs last enabled at (0): [] copy_process+0x2129/0x7190 kernel/fork.c:2198 softirqs last disabled at (0): [<0000000000000000>] 0x0 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 3801 Comm: syz-executor.2 Not tainted 6.0.0-syzkaller-12255-g2df76606db9d #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 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:9890 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:6777 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/ipv6/netfilter/ip6_tables.c:490 [inline] find_check_match net/ipv6/netfilter/ip6_tables.c:507 [inline] find_check_entry.constprop.0+0x342/0x9e0 net/ipv6/netfilter/ip6_tables.c:558 translate_table+0xc8b/0x1750 net/ipv6/netfilter/ip6_tables.c:735 do_replace net/ipv6/netfilter/ip6_tables.c:1153 [inline] do_ip6t_set_ctl+0x56c/0xb20 net/ipv6/netfilter/ip6_tables.c:1639 nf_setsockopt+0x83/0xe0 net/netfilter/nf_sockopt.c:101 ipv6_setsockopt+0x127/0x190 net/ipv6/ipv6_sockglue.c:1030 udpv6_setsockopt+0x76/0xc0 net/ipv6/udp.c:1678 __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: 0033:0x7f6a3568b5a9 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:00007f6a36860168 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f6a357abf80 RCX: 00007f6a3568b5a9 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00007f6a356e6580 R08: 0000000000000001 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff0d296ddf R14: 00007f6a36860300 R15: 0000000000022000 xt_cgroup: invalid path, errno=-2