percpu: allocation failed, size=32 align=4 atomic=1, atomic alloc failed, no space left ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5847 at net/ipv6/ip6mr.c:419 ip6mr_free_table+0xd8/0x100 net/ipv6/ip6mr.c:419 Modules linked in: CPU: 1 UID: 0 PID: 5847 Comm: syz-executor Not tainted 6.13.0-rc1-syzkaller-00001-ge70140ba0d2b #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 ed e0 45 fa 4c 89 f7 5b 41 5c 41 5e 41 5f e9 fe 16 7f f7 e8 a9 a2 23 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: 0000:ffffc9000426faf8 EFLAGS: 00010293 RAX: ffffffff8a7bcf27 RBX: 0000000000000001 RCX: ffff888031111e00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff8a7bceba R09: 1ffff1100f870b80 R10: dffffc0000000000 R11: ffffed100f870b81 R12: dffffc0000000000 R13: dead000000000122 R14: ffff88807c1b0000 R15: ffff88807c386980 FS: 00005555922c7500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31bfdff8 CR3: 0000000077724000 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: 0033:0x7f776bd81717 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:00007ffda1ae6008 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f776bf45f40 RCX: 00007f776bd81717 RDX: 00007f776bd7ff19 RSI: 00007ffda1ae5fd0 RDI: 0000000040000000 RBP: 00007f776bf46578 R08: 00007f776beff9d0 R09: 00007f776beff9d0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 R13: 0000000000000006 R14: 0000000000000009 R15: 0000000000000000