------------[ cut here ]------------ WARNING: CPU: 1 PID: 28528 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0 Modules linked in: CPU: 1 UID: 0 PID: 28528 Comm: syz-executor.5 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:ffff88804c3df958 EFLAGS: 00010216 RAX: 00000000000190e2 RBX: ffff888030119700 RCX: ffffc90009218000 RDX: 0000000000040000 RSI: ffffffff84049db9 RDI: 0000000000000005 RBP: ffff88803ea66000 R08: 0000000000000000 R09: ffffed1006023309 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: ffff888030119f00 R14: ffff888030119700 R15: fffffbfff0c510c8 FS: 00007fa248012700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5e2b04cf64 CR3: 000000004c4b4000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 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 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: 0033:0x7fa24aa9cb19 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:00007fa248012188 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fa24abaff60 RCX: 00007fa24aa9cb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040aa1180 RBP: 00007fa24aaf6f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd0054a41f R14: 00007fa248012300 R15: 0000000000022000 irq event stamp: 17871 hardirqs last enabled at (17883): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (17894): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (17506): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (17459): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- 9p: Unknown Cache mode or invalid value f 9p: Unknown Cache mode or invalid value f 9p: Unknown Cache mode or invalid value f random: crng reseeded on system resumption random: crng reseeded on system resumption random: crng reseeded on system resumption random: crng reseeded on system resumption random: crng reseeded on system resumption loop2: detected capacity change from 0 to 5392 loop2: detected capacity change from 0 to 5392 loop2: detected capacity change from 0 to 5392 loop2: detected capacity change from 0 to 5392 audit: type=1326 audit(2000000116.948:38): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=29004 comm="syz-executor.5" exe="/syz-executor.5" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7fa24aa9cb19 code=0x0 audit: type=1326 audit(2000000117.780:39): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=29004 comm="syz-executor.5" exe="/syz-executor.5" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7fa24aa9cb19 code=0x0 loop6: detected capacity change from 0 to 4 EXT4-fs (loop6): VFS: Can't find ext4 filesystem loop6: detected capacity change from 0 to 4 EXT4-fs (loop6): VFS: Can't find ext4 filesystem audit: type=1326 audit(2000000117.968:40): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=29050 comm="syz-executor.5" exe="/syz-executor.5" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7fa24aa9cb19 code=0x0 loop6: detected capacity change from 0 to 4 EXT4-fs (loop6): VFS: Can't find ext4 filesystem loop2: detected capacity change from 0 to 130