------------[ cut here ]------------
WARNING: CPU: 0 PID: 14090 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0
Modules linked in:
CPU: 0 UID: 0 PID: 14090 Comm: syz-executor.2 Not tainted 6.13.0-rc3-next-20241220 #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 5c 80 a3 00 e8 47 df 6a fd 90 <0f> 0b 90 eb 93 e8 3c df 6a fd 0f b6 2d 1d 26 36 02 31 ff 89 ee e8
RSP: 0018:ffff88803301fc20 EFLAGS: 00010216
RAX: 00000000000186f6 RBX: ffff888035790000 RCX: ffffc90005a18000
RDX: 0000000000040000 RSI: ffffffff8406ea09 RDI: 0000000000000005
RBP: ffff888015a28000 R08: 0000000000000000 R09: ffffed1006af2029
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: ffff888035790800 R14: ffff888035790000 R15: fffffbfff0c51178
FS: 00007fdee462a700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555574c42c98 CR3: 0000000015ed4000 CR4: 0000000000350ef0
Call Trace:
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
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: 0033:0x7fdee70f6b19
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:00007fdee462a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007fdee720a0e0 RCX: 00007fdee70f6b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006e000000
RBP: 00007fdee7150f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc863f6a8f R14: 00007fdee462a300 R15: 0000000000022000
irq event stamp: 7449
hardirqs last enabled at (7461): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (7472): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (7192): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (7185): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=43 sclass=netlink_route_socket pid=14112 comm=syz-executor.4
loop6: detected capacity change from 0 to 264192
iso9660: Unknown parameter 'subj_type'
audit: type=1400 audit(1736006429.026:14): avc: denied { write } for pid=14125 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1