percpu: allocation failed, size=32 align=4 atomic=1, atomic alloc failed, no space left ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5883 at net/ipv6/ip6mr.c:419 ip6mr_free_table+0xd8/0x100 net/ipv6/ip6mr.c:419 Modules linked in: CPU: 0 UID: 0 PID: 5883 Comm: syz-executor Not tainted 6.12.0-syzkaller-11677-g2ba9f676d0a2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:ip6mr_free_table+0xd8/0x100 net/ipv6/ip6mr.c:419 Code: e8 9d 2f ff ff 49 8d be 98 0e 00 00 31 f6 31 d2 e8 8d f8 45 fa 4c 89 f7 5b 41 5c 41 5e 41 5f e9 2e fb 79 f7 e8 09 5b 1b f7 90 <0f> 0b 90 eb c0 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 72 ff ff ff 48 RSP: 0018:ffffc9000408faf8 EFLAGS: 00010293 RAX: ffffffff8a7a8687 RBX: 0000000000000001 RCX: ffff88803213bc00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff8a7a861a R09: 1ffff1100b4e83f0 R10: dffffc0000000000 R11: ffffed100b4e83f1 R12: dffffc0000000000 R13: dead000000000122 R14: ffff88807a3cc000 R15: ffff88805a742d00 FS: 000055555cf2d500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa4c57dbdb0 CR3: 000000005fb52000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ip6mr_rules_exit+0x18f/0x220 net/ipv6/ip6mr.c:283 ip6mr_net_exit_batch+0x4a/0x90 net/ipv6/ip6mr.c:1388 ops_exit_list net/core/net_namespace.c:177 [inline] setup_net+0x829/0x9e0 net/core/net_namespace.c:394 copy_net_ns+0x33f/0x570 net/core/net_namespace.c:500 create_new_namespaces+0x425/0x7b0 kernel/nsproxy.c:110 unshare_nsproxy_namespaces+0x124/0x180 kernel/nsproxy.c:228 ksys_unshare+0x57d/0xa70 kernel/fork.c:3334 __do_sys_unshare kernel/fork.c:3405 [inline] __se_sys_unshare kernel/fork.c:3403 [inline] __x64_sys_unshare+0x38/0x40 kernel/fork.c:3403 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fea27982047 Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff28a27718 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fea27982047 RDX: 0000000000000015 RSI: 00007fff28a27210 RDI: 0000000040000000 RBP: 00007fff28a27780 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff28a27780 R13: 00007fff28a27788 R14: 0000000000000009 R15: 0000000000000000