[ 24.941505][ T25] audit: type=1800 audit(1572479081.276:40): pid=6804 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 29.639016][ T25] audit: type=1400 audit(1572479085.996:41): avc: denied { map } for pid=6980 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.157' (ECDSA) to the list of known hosts. [ 43.810097][ T25] audit: type=1400 audit(1572479100.166:42): avc: denied { map } for pid=6995 comm="syz-executor741" path="/root/syz-executor741314069" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 50.759542][ T6996] IPVS: ftp: loaded support on port[0] = 21 [ 50.779750][ T6996] chnl_net:caif_netlink_parms(): no params data found [ 50.791727][ T6996] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.798798][ T6996] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.806743][ T6996] device bridge_slave_0 entered promiscuous mode [ 50.813546][ T6996] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.820563][ T6996] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.827932][ T6996] device bridge_slave_1 entered promiscuous mode [ 50.837034][ T6996] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.846541][ T6996] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.858234][ T6996] team0: Port device team_slave_0 added [ 50.864317][ T6996] team0: Port device team_slave_1 added [ 50.901766][ T6996] device hsr_slave_0 entered promiscuous mode [ 50.941063][ T6996] device hsr_slave_1 entered promiscuous mode [ 51.000431][ T6996] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.007533][ T6996] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.014891][ T6996] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.021941][ T6996] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.051859][ T6996] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.060380][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.087806][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.096132][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.111314][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.132557][ T6996] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.152408][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.161266][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.168300][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.201002][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.231167][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.238237][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.271320][ T6996] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 51.287718][ T6996] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 51.300104][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.308444][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready executing program [ 51.317565][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.325792][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.333712][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.341116][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.350744][ T6996] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program [ 57.299070][ T6996] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88812b7e2940 (size 768): comm "syz-executor741", pid 7035, jiffies 4294942397 (age 12.970s) hex dump (first 32 bytes): 03 00 00 00 01 00 ff ff 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000f1bc4f68>] kmem_cache_alloc+0x13f/0x2c0 [<00000000e463d8aa>] sock_alloc_inode+0x1c/0xa0 [<000000009cded2cf>] alloc_inode+0x2c/0xe0 [<0000000042318de9>] new_inode_pseudo+0x18/0x70 [<0000000042d9dfac>] sock_alloc+0x1c/0x90 [<0000000029db6c72>] __sock_create+0x8f/0x250 [<000000004bd898f0>] sock_create_kern+0x3b/0x50 [<000000005d6ab776>] smc_create+0xae/0x160 [<000000000112fa9a>] __sock_create+0x164/0x250 [<000000000a74642f>] __sys_socket+0x69/0x110 [<0000000007d7ea9b>] __x64_sys_socket+0x1e/0x30 [<00000000cd7ac863>] do_syscall_64+0x73/0x1f0 [<000000003dd4baee>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888120bb8dc8 (size 56): comm "syz-executor741", pid 7035, jiffies 4294942397 (age 12.970s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ c0 29 7e 2b 81 88 ff ff e0 8d bb 20 81 88 ff ff .)~+....... .... backtrace: [<00000000f1bc4f68>] kmem_cache_alloc+0x13f/0x2c0 [<00000000a454cc6f>] security_inode_alloc+0x33/0xb0 [<00000000eeb5f542>] inode_init_always+0x108/0x200 [<000000007cd6d5af>] alloc_inode+0x49/0xe0 [<0000000042318de9>] new_inode_pseudo+0x18/0x70 [<0000000042d9dfac>] sock_alloc+0x1c/0x90 [<0000000029db6c72>] __sock_create+0x8f/0x250 [<000000004bd898f0>] sock_create_kern+0x3b/0x50 [<000000005d6ab776>] smc_create+0xae/0x160 [<000000000112fa9a>] __sock_create+0x164/0x250 [<000000000a74642f>] __sys_socket+0x69/0x110 [<0000000007d7ea9b>] __x64_sys_socket+0x1e/0x30 [<00000000cd7ac863>] do_syscall_64+0x73/0x1f0 [<000000003dd4baee>] entry_SYSCALL_64_after_hwframe+0x44/0xa9