percpu: allocation failed, size=32 align=4 atomic=1, atomic alloc failed, no space left ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5847 at net/ipv6/ip6mr.c:419 ip6mr_free_table+0xbd/0x120 net/ipv6/ip6mr.c:419 Modules linked in: CPU: 0 UID: 0 PID: 5847 Comm: syz-executor Not tainted 6.13.0-rc1-syzkaller-00036-g5076001689e4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:ip6mr_free_table+0xbd/0x120 net/ipv6/ip6mr.c:419 Code: 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 58 49 83 bc 24 c0 0e 00 00 00 74 09 e8 f4 c6 af f7 90 <0f> 0b 90 e8 eb c6 af f7 48 8d 7b 38 e8 52 87 9c f7 48 89 df be 0f RSP: 0018:ffffc90004aafbd8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88805ee90000 RCX: ffffffff89ea3ee4 RDX: ffff88803095c880 RSI: ffffffff89ea3f1c RDI: ffff88805f5f4b40 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88805f5f3c80 R13: ffff88805ee90000 R14: ffff88805ee90008 R15: dead000000000100 FS: 0000555587e84500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6aa292b2a0 CR3: 0000000035516000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ip6mr_rules_exit+0x176/0x2d0 net/ipv6/ip6mr.c:283 ip6mr_net_exit_batch+0x53/0xa0 net/ipv6/ip6mr.c:1388 ops_exit_list+0x128/0x180 net/core/net_namespace.c:177 setup_net+0x4fe/0x860 net/core/net_namespace.c:394 copy_net_ns+0x2b4/0x6b0 net/core/net_namespace.c:500 create_new_namespaces+0x3ea/0xad0 kernel/nsproxy.c:110 unshare_nsproxy_namespaces+0xc0/0x1f0 kernel/nsproxy.c:228 ksys_unshare+0x45d/0xa40 kernel/fork.c:3334 __do_sys_unshare kernel/fork.c:3405 [inline] __se_sys_unshare kernel/fork.c:3403 [inline] __x64_sys_unshare+0x31/0x40 kernel/fork.c:3403 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f836a981717 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:00007f836ac6ffa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f836a9f5158 RCX: 00007f836a981717 RDX: 0000000000000006 RSI: 00007f836ac6fad0 RDI: 0000000040000000 RBP: 0000000000000000 R08: 0000000000000003 R09: 00007f836ac6f8d7 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdbe7bc750 R13: 00007ffdbe7bc758 R14: 0000000000000009 R15: 0000000000000000