------------[ cut here ]------------ WARNING: CPU: 0 PID: 32920 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0 Modules linked in: CPU: 0 UID: 0 PID: 32920 Comm: syz-executor.0 Not tainted 6.13.0-rc2-next-20241210 #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 4c 6e a3 00 e8 87 bc 6d fd 90 <0f> 0b 90 eb 93 e8 7c bc 6d fd 0f b6 2d de d7 38 02 31 ff 89 ee e8 RSP: 0018:ffff888032ccfc20 EFLAGS: 00010212 RAX: 0000000000016ae7 RBX: ffff88801663c500 RCX: ffffc90000f9f000 RDX: 0000000000040000 RSI: ffffffff84042899 RDI: 0000000000000005 RBP: ffff888015cc4000 R08: 0000000000000000 R09: ffffed1002cc78c9 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: ffff88801663cd00 R14: ffff88801663c500 R15: fffffbfff0c50f80 FS: 00007f079c234700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31525000 CR3: 00000000427ba000 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 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: 0033:0x7f079ecbeb19 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:00007f079c234188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f079edd1f60 RCX: 00007f079ecbeb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000 RBP: 00007f079ed18f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcd6bdb5df R14: 00007f079c234300 R15: 0000000000022000 </TASK> irq event stamp: 13761 hardirqs last enabled at (13771): [<ffffffff81527528>] __up_console_sem+0x78/0x80 hardirqs last disabled at (13782): [<ffffffff8152750d>] __up_console_sem+0x5d/0x80 softirqs last enabled at (13756): [<ffffffff813a9a5c>] handle_softirqs+0x50c/0x770 softirqs last disabled at (13751): [<ffffffff813a9df4>] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- Bluetooth: hci7: SCO packet for unknown connection handle 0 Bluetooth: hci7: SCO packet for unknown connection handle 0 Bluetooth: hci7: SCO packet for unknown connection handle 0 Bluetooth: hci7: SCO packet for unknown connection handle 0 Bluetooth: hci7: SCO packet for unknown connection handle 0 EXT4-fs warning (device sda): verify_group_input:136: Cannot add at group 0 (only 16 groups) EXT4-fs warning (device sda): verify_group_input:136: Cannot add at group 0 (only 16 groups) EXT4-fs warning (device sda): verify_group_input:136: Cannot add at group 0 (only 16 groups) 9pnet: p9_errstr2errno: server reported unknown error EXT4-fs warning (device sda): verify_group_input:136: Cannot add at group 0 (only 16 groups) loop0: detected capacity change from 0 to 40 Process accounting resumed Process accounting resumed kworker/u10:4: attempt to access beyond end of device loop0: rw=1, sector=48, nr_sectors = 4 limit=40 loop0: detected capacity change from 0 to 40 Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed loop0: detected capacity change from 0 to 40 Process accounting resumed Process accounting resumed Process accounting resumed loop0: detected capacity change from 0 to 40 Process accounting resumed