audit: type=1400 audit(1578790641.473:32507): avc: denied { map } for pid=15782 comm="blkid" path="/etc/ld.so.cache" dev="sda1" ino=2251 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 15796 Comm: syz-executor.2 Not tainted 4.19.94-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline] RIP: 0010:net_generic include/net/netns/generic.h:45 [inline] RIP: 0010:xt_rateest_tg_checkentry+0x11d/0xb50 net/netfilter/xt_RATEEST.c:112 Code: 89 79 61 fb 45 84 f6 0f 84 0d 07 00 00 e8 3b 78 61 fb 49 8d bd 48 1b 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 f9 08 00 00 4d 8b ad 48 1b 00 00 e8 fd 88 4e fb RSP: 0018:ffff88804da6f7d0 EFLAGS: 00010206 audit: type=1400 audit(1578790641.523:32508): avc: denied { map } for pid=15782 comm="blkid" path="/lib/x86_64-linux-gnu/libblkid.so.1.1.0" dev="sda1" ino=2825 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 RAX: dffffc0000000000 RBX: ffff88804da6fb30 RCX: ffffc900082c1000 RDX: 0000000000000369 RSI: ffffffff86099d75 RDI: 0000000000001b48 RBP: ffff88804da6f890 R08: ffff8880129bc480 R09: ffffed1015d24733 R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 000000000000002c R13: 0000000000000000 R14: 0000000000000001 R15: ffff88804da6f868 FS: 00007ff99690d700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33a22000 CR3: 0000000054415000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: xt_check_target+0x283/0x6a0 net/netfilter/x_tables.c:1024 check_target net/ipv4/netfilter/arp_tables.c:398 [inline] find_check_entry net/ipv4/netfilter/arp_tables.c:421 [inline] translate_table+0x1005/0x1d70 net/ipv4/netfilter/arp_tables.c:571 do_replace net/ipv4/netfilter/arp_tables.c:976 [inline] do_arpt_set_ctl+0x303/0x640 net/ipv4/netfilter/arp_tables.c:1455 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x77/0xd0 net/netfilter/nf_sockopt.c:115 ip_setsockopt net/ipv4/ip_sockglue.c:1258 [inline] ip_setsockopt+0xdf/0x100 net/ipv4/ip_sockglue.c:1238 udp_setsockopt+0x68/0xb0 net/ipv4/udp.c:2548 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3046 __sys_setsockopt+0x17a/0x280 net/socket.c:1901 __do_sys_setsockopt net/socket.c:1912 [inline] __se_sys_setsockopt net/socket.c:1909 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1909 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45af49 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ff99690cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045af49 RDX: 0000000000000060 RSI: 0a02000000000000 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000430 R09: 0000000000000000 R10: 00000000200008c0 R11: 0000000000000246 R12: 00007ff99690d6d4 R13: 00000000004d3440 R14: 00000000004e4298 R15: 00000000ffffffff Modules linked in: ---[ end trace a13f7ac0b64514a3 ]--- RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline] RIP: 0010:net_generic include/net/netns/generic.h:45 [inline] RIP: 0010:xt_rateest_tg_checkentry+0x11d/0xb50 net/netfilter/xt_RATEEST.c:112 Code: 89 79 61 fb 45 84 f6 0f 84 0d 07 00 00 e8 3b 78 61 fb 49 8d bd 48 1b 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 f9 08 00 00 4d 8b ad 48 1b 00 00 e8 fd 88 4e fb netlink: 'syz-executor.0': attribute type 2 has an invalid length. RSP: 0018:ffff88804da6f7d0 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff88804da6fb30 RCX: ffffc900082c1000 RDX: 0000000000000369 RSI: ffffffff86099d75 RDI: 0000000000001b48 RBP: ffff88804da6f890 R08: ffff8880129bc480 R09: ffffed1015d24733 R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 000000000000002c R13: 0000000000000000 R14: 0000000000000001 R15: ffff88804da6f868 FS: 00007ff99690d700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1b0c752000 CR3: 0000000054415000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400