loop7: detected capacity change from 0 to 15 netlink: 'syz-executor.7': attribute type 4 has an invalid length. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 19914 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0 Modules linked in: CPU: 0 UID: 0 PID: 19914 Comm: syz-executor.3 Not tainted 6.13.0-rc2-next-20241211 #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 ac 70 a3 00 e8 47 bd 6d fd 90 <0f> 0b 90 eb 93 e8 3c bd 6d fd 0f b6 2d c0 db 38 02 31 ff 89 ee e8 RSP: 0018:ffff8880438dfc20 EFLAGS: 00010216 RAX: 0000000000017954 RBX: ffff888016231700 RCX: ffffc9000740d000 RDX: 0000000000040000 RSI: ffffffff84042639 RDI: 0000000000000005 RBP: ffff88802cdbc000 R08: 0000000000000000 R09: ffffed1002c46309 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: ffff888016231f00 R14: ffff888016231700 R15: fffffbfff0c50fb0 FS: 00007ff4a732c700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8187724545 CR3: 000000001c204000 CR4: 0000000000350ef0 DR0: ffffffffffff01dd 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 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: 0033:0x7ff4a9dd7b19 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:00007ff4a732c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007ff4a9eeb020 RCX: 00007ff4a9dd7b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000048040080 RBP: 00007ff4a9e31f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc676156ef R14: 00007ff4a732c300 R15: 0000000000022000 irq event stamp: 7739 hardirqs last enabled at (7749): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (7760): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (7588): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (7225): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- loop2: detected capacity change from 0 to 8 FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket pid=20080 comm=syz-executor.4 loop5: detected capacity change from 0 to 40 FAT-fs (loop5): bogus number of reserved sectors FAT-fs (loop5): Can't find a valid FAT filesystem loop5: detected capacity change from 0 to 40 FAT-fs (loop5): bogus number of reserved sectors FAT-fs (loop5): Can't find a valid FAT filesystem netlink: 16 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.4'. loop4: detected capacity change from 0 to 40 Process accounting resumed loop2: detected capacity change from 0 to 16 EXT4-fs (loop2): #blocks per group too big: 1867776 loop2: detected capacity change from 0 to 16 EXT4-fs (loop2): #blocks per group too big: 1867776 loop4: detected capacity change from 0 to 40 loop2: detected capacity change from 0 to 136 9pnet: Could not find request transport: fd5$4+zA^ @W̎"l@q͸ߡGLJB*} isofs_fill_super: get root inode failed loop2: detected capacity change from 0 to 136 Process accounting resumed isofs_fill_super: get root inode failed loop1: detected capacity change from 0 to 40 loop7: detected capacity change from 0 to 40 Process accounting resumed Process accounting resumed loop4: detected capacity change from 0 to 40 loop1: detected capacity change from 0 to 40 Process accounting resumed Process accounting resumed loop5: detected capacity change from 0 to 40 loop7: detected capacity change from 0 to 40 Process accounting resumed loop4: detected capacity change from 0 to 40 Process accounting resumed Process accounting resumed loop1: detected capacity change from 0 to 40 Process accounting resumed loop5: detected capacity change from 0 to 40 loop7: detected capacity change from 0 to 40 Process accounting resumed Process accounting resumed loop5: detected capacity change from 0 to 40 syz-executor.3 (20346): /proc/20346/oom_adj is deprecated, please use /proc/20346/oom_score_adj instead. loop1: detected capacity change from 0 to 40 Process accounting resumed tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' netlink: 'syz-executor.0': attribute type 1 has an invalid length. serio: Serial port ptm0