IPVS: set_ctl: invalid protocol: 41 224.0.0.1:20000 BUG: Bad page map in process syz-executor2 pte:6163f007 pmd:12d46f067 page:ffffea00024857a0 count:0 mapcount:-1 mapping:0000000000000000 index:0x0 flags: 0x100000000000000() raw: 0100000000000000 ffffea00024857a8 ffffea00024857a8 0000000000000000 raw: 0000000000000000 0000000000000000 00000000fffffffe 0000000000000000 raw: 0000000000000000 0000000000000000 0000000000000001 0000000000000000 page dumped because: bad pte addr:00000000b9c948c7 vm_flags:100400fb anon_vma: (null) mapping:00000000eb6094fe index:181 file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 1 PID: 6788 Comm: syz-executor2 Not tainted 4.18.0-rc8+ #34 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x17c/0x1c0 lib/dump_stack.c:113 print_bad_pte+0xcae/0xde0 mm/memory.c:775 zap_pte_range mm/memory.c:1336 [inline] zap_pmd_range mm/memory.c:1436 [inline] zap_pud_range mm/memory.c:1465 [inline] zap_p4d_range mm/memory.c:1486 [inline] unmap_page_range+0x2119/0x3b60 mm/memory.c:1507 unmap_single_vma+0x445/0x5e0 mm/memory.c:1552 unmap_vmas+0x241/0x370 mm/memory.c:1582 exit_mmap+0x4d7/0x960 mm/mmap.c:3094 __mmput+0x154/0x5f0 kernel/fork.c:994 mmput+0xa7/0xe0 kernel/fork.c:1015 exit_mm+0x6dd/0x790 kernel/exit.c:545 do_exit+0xbf7/0x3890 kernel/exit.c:854 do_group_exit+0x1a0/0x350 kernel/exit.c:970 get_signal+0x1425/0x1ef0 kernel/signal.c:2468 do_signal+0x120/0x2090 arch/x86/kernel/signal.c:816 exit_to_usermode_loop arch/x86/entry/common.c:162 [inline] prepare_exit_to_usermode+0x273/0x410 arch/x86/entry/common.c:197 syscall_return_slowpath+0xdb/0x700 arch/x86/entry/common.c:268 do_syscall_64+0x1ab/0x220 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x457089 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f808024ecf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 0000000000930148 RCX: 0000000000457089 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000930148 RBP: 0000000000930140 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000093014c R13: 0000000000a3fb9f R14: 00007f808024f9c0 R15: 0000000000000001 netlink: 20 bytes leftover after parsing attributes in process `syz-executor1'. mmap: syz-executor7 (6822): VmData 35270656 exceed data ulimit 33554432. Update limits or use boot option ignore_rlimit_data. netlink: 20 bytes leftover after parsing attributes in process `syz-executor1'. IPVS: set_ctl: invalid protocol: 41 224.0.0.1:20000 BUG: Bad rss-counter state mm:00000000b1354fe2 idx:0 val:13 syz-executor1 uses obsolete (PF_INET,SOCK_PACKET) device veth0_to_bridge entered promiscuous mode device veth0_to_bridge left promiscuous mode raw_sendmsg: syz-executor3 forgot to set AF_INET. Fix it! netlink: 'syz-executor2': attribute type 27 has an invalid length. netlink: 'syz-executor2': attribute type 27 has an invalid length. nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. netlink: 12 bytes leftover after parsing attributes in process `syz-executor4'. input: syz1 as /devices/virtual/input/input5 kernel msg: ebtables bug: please report to author: Wrong len argument kernel msg: ebtables bug: please report to author: Wrong len argument kernel msg: ebtables bug: please report to author: Wrong len argument sg_write: data in/out 1818846731/2 bytes for SCSI command 0x6c-- guessing data in; program syz-executor3 not setting count and/or reply_len properly sg_write: data in/out 628175337/523 bytes for SCSI command 0xa4-- guessing data in; program syz-executor3 not setting count and/or reply_len properly sg_write: data in/out 1818846731/2 bytes for SCSI command 0x6c-- guessing data in; program syz-executor3 not setting count and/or reply_len properly sg_write: data in/out 628175337/523 bytes for SCSI command 0xa4-- guessing data in; program syz-executor3 not setting count and/or reply_len properly