------------[ cut here ]------------
WARNING: CPU: 0 PID: 7100 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0
Modules linked in:
CPU: 0 UID: 0 PID: 7100 Comm: syz-executor.5 Not tainted 6.13.0-rc2-next-20241213 #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 cc 66 a3 00 e8 17 9c 6d fd 90 <0f> 0b 90 eb 93 e8 0c 9c 6d fd 0f b6 2d 20 ac 38 02 31 ff 89 ee e8
RSP: 0018:ffff88803f6e78b8 EFLAGS: 00010212
RAX: 000000000001726e RBX: ffff88803f144500 RCX: ffffc90007c29000
RDX: 0000000000040000 RSI: ffffffff840455d9 RDI: 0000000000000005
RBP: ffff88800eea4000 R08: 0000000000000000 R09: ffffed1007e288c9
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: ffff88803f144d00 R14: ffff88803f144500 R15: fffffbfff0c50fe8
FS: 00007fdfa3e8d700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa31f7fc998 CR3: 000000001a09e000 CR4: 0000000000350ef0
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_clone3+0x1d9/0x260
do_syscall_64+0xbf/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdfa6917b19
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:00007fdfa3e8d188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007fdfa6a2af60 RCX: 00007fdfa6917b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200002c0
RBP: 00007fdfa6971f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc1429b22f R14: 00007fdfa3e8d300 R15: 0000000000022000
</TASK>
irq event stamp: 17913
hardirqs last enabled at (17923): [<ffffffff81528248>] __up_console_sem+0x78/0x80
hardirqs last disabled at (17984): [<ffffffff8152822d>] __up_console_sem+0x5d/0x80
softirqs last enabled at (17980): [<ffffffff813a99fc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (17931): [<ffffffff813a9d94>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
audit: type=1400 audit(1734275046.868:11): avc: denied { write } for pid=7102 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
hrtimer: interrupt took 54523 ns
loop1: detected capacity change from 0 to 2560
EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir380725420/syzkaller.SVIbMe/3/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.