------------[ cut here ]------------
WARNING: CPU: 0 PID: 13600 at net/ipv4/ipmr.c:440 ipmr_free_table net/ipv4/ipmr.c:440 [inline]
WARNING: CPU: 0 PID: 13600 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0 net/ipv4/ipmr.c:361
Modules linked in:
CPU: 0 UID: 0 PID: 13600 Comm: syz-executor Not tainted 6.15.0-rc6-syzkaller-00166-g342e4955a1f1 #0 PREEMPT(voluntary)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:ipmr_free_table net/ipv4/ipmr.c:440 [inline]
RIP: 0010:ipmr_rules_exit+0x13a/0x1c0 net/ipv4/ipmr.c:361
Code: ff df 48 c1 ea 03 80 3c 02 00 75 7c 48 c7 85 58 09 00 00 00 00 00 00 5b 5d 41 5c 41 5d 41 5e c3 cc cc cc cc e8 d7 79 16 fb 90 <0f> 0b 90 eb 93 e8 cc 79 16 fb 0f b6 1d 73 37 05 04 31 ff 89 de e8
RSP: 0018:ffffc90014e2fc10 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88812c1dc000 RCX: ffffffff8665f0fd
RDX: ffff8881222c9d40 RSI: ffffffff8665f169 RDI: 0000000000000005
RBP: ffff88812ea70000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: ffff88812ea70958 R14: ffff88812ea70000 R15: fffffbfff148e04c
FS: 000055558afcb500(0000) GS:ffff8882691c2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc07c1d33d0 CR3: 000000014620e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
ipmr_net_exit_batch+0x53/0xa0 net/ipv4/ipmr.c:3160
ops_exit_list+0x128/0x180 net/core/net_namespace.c:177
setup_net+0x4e8/0x850 net/core/net_namespace.c:396
copy_net_ns+0x2a6/0x5f0 net/core/net_namespace.c:518
create_new_namespaces+0x3ea/0xad0 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0xc0/0x1f0 kernel/nsproxy.c:228
ksys_unshare+0x45b/0xa40 kernel/fork.c:3375
__do_sys_unshare kernel/fork.c:3446 [inline]
__se_sys_unshare kernel/fork.c:3444 [inline]
__x64_sys_unshare+0x31/0x40 kernel/fork.c:3444
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f31d7a50167
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:00007ffe9bbc8f18 EFLAGS: 00000206
ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f31d7c75f40 RCX: 00007f31d7a50167
RDX: 0000000000000005 RSI: 00007ffe9bbc8de0 RDI: 0000000040000000
RBP: 00007f31d7c76738 R08: 00007f31d87a7d60 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000008
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
</TASK>