------------[ cut here ]------------ WARNING: CPU: 0 PID: 11282 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0 Modules linked in: CPU: 0 UID: 0 PID: 11282 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:ffff88801a49f8b8 EFLAGS: 00010216 RAX: 00000000000170b9 RBX: ffff8880407a0000 RCX: ffffc9000c431000 RDX: 0000000000040000 RSI: ffffffff8406ea09 RDI: 0000000000000005 RBP: ffff88800db2a000 R08: 0000000000000000 R09: ffffed10080f4029 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8880407a0800 R14: ffff8880407a0000 R15: fffffbfff0c51178 FS: 00007f1bd9505700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30e25000 CR3: 000000003fa04000 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 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: 0033:0x7f1bdbf8fb19 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:00007f1bd9505188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f1bdc0a2f60 RCX: 00007f1bdbf8fb19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200002c0 RBP: 00007f1bdbfe9f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc26bbe7df R14: 00007f1bd9505300 R15: 0000000000022000 irq event stamp: 14627 hardirqs last enabled at (14637): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (14648): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (14272): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (14267): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci1: command 0x0c1a tx timeout syz-executor.7: attempt to access beyond end of device loop7: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop7, logical block 10, lost async page write syz-executor.3: attempt to access beyond end of device loop3: rw=2049, sector=68, nr_sectors = 56 limit=40 syz-executor.3: attempt to access beyond end of device loop3: rw=2049, sector=124, nr_sectors = 4 limit=40 Buffer I/O error on dev loop3, logical block 31, lost async page write loop5: detected capacity change from 0 to 512 EXT4-fs error (device loop5): __ext4_iget:4984: inode #2: block 65280: comm syz-executor.5: invalid block EXT4-fs (loop5): get root inode failed EXT4-fs (loop5): mount failed loop5: detected capacity change from 0 to 256 loop5: detected capacity change from 0 to 512 netlink: 'syz-executor.1': attribute type 4 has an invalid length. netlink: 'syz-executor.1': attribute type 4 has an invalid length. workqueue: Failed to create a rescuer kthread for wq "ext4-rsv-conversion": -EINTR EXT4-fs: failed to create workqueue EXT4-fs (loop5): mount failed