------------[ cut here ]------------
WARNING: CPU: 1 PID: 6645 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0
Modules linked in:
CPU: 1 UID: 0 PID: 6645 Comm: syz-executor.0 Not tainted 6.13.0-rc1-next-20241205 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:ipmr_rules_exit+0x13a/0x1c0
Code: ff df 48 c1 ea 03 80 3c 02 00 75 7d 48 c7 83 00 08 00 00 00 00 00 00 5b 5d 41 5c 41 5d 41 5e e9 ac 2a a3 00 e8 37 e6 6d fd 90 <0f> 0b 90 eb 93 e8 2c e6 6d fd 0f b6 2d d8 f8 58 02 31 ff 89 ee e8
RSP: 0018:ffff88803ddd7c20 EFLAGS: 00010202
RAX: 0000000000017f30 RBX: ffff88803dcdc500 RCX: ffffc90000bd7000
RDX: 0000000000040000 RSI: ffffffff83e3fc39 RDI: 0000000000000005
RBP: ffff88800a4ac000 R08: 0000000000000000 R09: ffffed1007b9b8c8
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: ffff88803dcdcd00 R14: ffff88803dcdc500 R15: fffffbfff0c50eb8
FS:  00007f994f3db700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e220000 CR3: 000000001943c000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 ipmr_net_exit_batch+0x53/0xa0
 ops_exit_list+0x12b/0x180
 setup_net+0x492/0x7a0
 copy_net_ns+0x2e3/0x6f0
 create_new_namespaces+0x3f6/0xaf0
 unshare_nsproxy_namespaces+0xc0/0x200
 ksys_unshare+0x46a/0xa10
 __x64_sys_unshare+0x31/0x40
 do_syscall_64+0xbf/0x1d0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9951ea7b19
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f994f3db188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f9951fbb0e0 RCX: 00007f9951ea7b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000048040080
RBP: 00007f9951f01f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcdc524d6f R14: 00007f994f3db300 R15: 0000000000022000
 </TASK>
irq event stamp: 7087
hardirqs last  enabled at (7099): [<ffffffff81327248>] __up_console_sem+0x78/0x80
hardirqs last disabled at (7110): [<ffffffff8132722d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (6574): [<ffffffff811a976c>] handle_softirqs+0x50c/0x770
softirqs last disabled at (6569): [<ffffffff811a9b04>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=258 sclass=netlink_route_socket pid=6668 comm=syz-executor.5
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=258 sclass=netlink_route_socket pid=6668 comm=syz-executor.5
Bluetooth: hci0: Opcode 0x0c03 failed: -4
Bluetooth: hci0: Opcode 0x0c03 failed: -4
syz-executor.2 (6654) used greatest stack depth: 23872 bytes left