loop3: detected capacity change from 0 to 140 No source specified No source specified ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6824 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0 Modules linked in: CPU: 1 UID: 0 PID: 6824 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:ffff8880402df8b8 EFLAGS: 00010216 RAX: 0000000000019bb8 RBX: ffff88803d8fc500 RCX: ffffc90002a38000 RDX: 0000000000040000 RSI: ffffffff8406ea09 RDI: 0000000000000005 RBP: ffff88800a064000 R08: 0000000000000000 R09: ffffed1007b1f8c9 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: ffff88803d8fcd00 R14: ffff88803d8fc500 R15: fffffbfff0c51178 FS: 00007f7a489df700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f98a4a05000 CR3: 0000000013164000 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 EXT4-fs error (device loop3): __ext4_fill_super:5497: inode #2: comm syz-executor.3: iget: special inode unallocated kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 EXT4-fs (loop3): get root inode failed do_syscall_64+0xbf/0x1d0 EXT4-fs (loop3): mount failed entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7a4b469b19 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:00007f7a489df188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f7a4b57cf60 RCX: 00007f7a4b469b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020001540 RBP: 00007f7a4b4c3f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7cf2bf3f R14: 00007f7a489df300 R15: 0000000000022000 irq event stamp: 15945 hardirqs last enabled at (15957): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (15970): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (15452): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (15447): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- loop3: detected capacity change from 0 to 140 loop7: detected capacity change from 0 to 4 ext2: Unknown parameter '' EXT4-fs error (device loop3): __ext4_fill_super:5497: inode #2: comm syz-executor.3: iget: special inode unallocated EXT4-fs (loop3): get root inode failed EXT4-fs (loop3): mount failed autofs4:pid:6873:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.2), cmd(0xc0189373) autofs4:pid:6873:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc0189373) autofs4:pid:6873:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.2), cmd(0xc0189373) autofs4:pid:6873:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc0189373) raw_sendmsg: syz-executor.3 forgot to set AF_INET. Fix it!