------------[ cut here ]------------
WARNING: CPU: 0 PID: 24291 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0
Modules linked in:
CPU: 0 UID: 0 PID: 24291 Comm: syz-executor.3 Not tainted 6.13.0-rc2-next-20241216 #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 2c 7a a3 00 e8 37 59 6d fd 90 <0f> 0b 90 eb 93 e8 2c 59 6d fd 0f b6 2d 42 6b 38 02 31 ff 89 ee e8
RSP: 0018:ffff888038547958 EFLAGS: 00010212
RAX: 0000000000019ffc RBX: ffff888040785c00 RCX: ffffc90000823000
RDX: 0000000000040000 RSI: ffffffff84049db9 RDI: 0000000000000005
RBP: ffff8880310c0000 R08: 0000000000000000 R09: ffffed10080f0ba9
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: ffff888040786400 R14: ffff888040785c00 R15: fffffbfff0c510c8
FS:  00007f58ab6e8700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000003269e000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 ipmr_net_exit_batch+0x53/0xa0
 ops_exit_list+0x12b/0x180
 setup_net+0x492/0x7a0
 copy_net_ns+0x2e3/0x700
 create_new_namespaces+0x3f6/0xaf0
 copy_namespaces+0x45c/0x580
 copy_process+0x26c0/0x70e0
 kernel_clone+0xeb/0x850
 __do_sys_clone+0xba/0x100
 do_syscall_64+0xbf/0x1d0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f58ae172b19
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:00007f58ab6e8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f58ae285f60 RCX: 00007f58ae172b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040aa1180
RBP: 00007f58ae1ccf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffaef1a60f R14: 00007f58ab6e8300 R15: 0000000000022000
 </TASK>
irq event stamp: 19635
hardirqs last  enabled at (19647): [<ffffffff81528468>] __up_console_sem+0x78/0x80
hardirqs last disabled at (19658): [<ffffffff8152844d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (19500): [<ffffffff813a995c>] handle_softirqs+0x50c/0x770
softirqs last disabled at (19677): [<ffffffff813a9cf4>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
audit: type=1326 audit(2000000435.353:41): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=24333 comm="syz-executor.6" exe="/syz-executor.6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f753a0c6b19 code=0x0
audit: type=1326 audit(2000000436.177:42): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=24333 comm="syz-executor.6" exe="/syz-executor.6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f753a0c6b19 code=0x0
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.6'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.6'.