[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 25.541108][ T25] kauditd_printk_skb: 20 callbacks suppressed [ 25.541114][ T25] audit: type=1400 audit(1575831167.836:41): avc: denied { map } for pid=6904 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 '10.128.0.215' (ECDSA) to the list of known hosts. 2019/12/08 18:53:45 parsed 1 programs [ 83.138929][ T25] audit: type=1400 audit(1575831225.436:42): avc: denied { map } for pid=6921 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 84.539409][ T25] audit: type=1400 audit(1575831226.836:43): avc: denied { map } for pid=6921 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=16815 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 84.565517][ T3797] kmemleak: Automatic memory scanning thread ended 2019/12/08 18:53:53 executed programs: 0 [ 91.501767][ T6936] IPVS: ftp: loaded support on port[0] = 21 [ 91.520226][ T6936] chnl_net:caif_netlink_parms(): no params data found [ 91.531478][ T6936] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.538550][ T6936] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.545740][ T6936] device bridge_slave_0 entered promiscuous mode [ 91.552539][ T6936] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.559761][ T6936] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.566938][ T6936] device bridge_slave_1 entered promiscuous mode [ 91.575749][ T6936] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 91.585147][ T6936] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 91.596548][ T6936] team0: Port device team_slave_0 added [ 91.602483][ T6936] team0: Port device team_slave_1 added [ 91.658112][ T6936] device hsr_slave_0 entered promiscuous mode [ 91.717644][ T6936] device hsr_slave_1 entered promiscuous mode [ 91.773627][ T6936] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 91.775320][ T25] audit: type=1400 audit(1575831234.066:44): avc: denied { create } for pid=6936 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 91.804943][ T25] audit: type=1400 audit(1575831234.066:45): avc: denied { write } for pid=6936 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 91.829419][ T25] audit: type=1400 audit(1575831234.066:46): avc: denied { read } for pid=6936 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 91.838399][ T6936] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 91.888259][ T6936] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 91.928194][ T6936] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 91.989885][ T6936] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.996938][ T6936] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.004153][ T6936] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.011160][ T6936] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.025245][ T6936] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.033184][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 92.051023][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.068432][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.075772][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 92.084067][ T6936] 8021q: adding VLAN 0 to HW filter on device team0 [ 92.091853][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 92.100083][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.107241][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.115383][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 92.123634][ T16] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.130771][ T16] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.140462][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 92.148666][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 92.156801][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 92.166555][ T6936] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 92.177023][ T6936] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 92.187927][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 92.195935][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 92.203998][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 92.214166][ T6936] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 92.221121][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 92.228692][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 92.236761][ T25] audit: type=1400 audit(1575831234.526:47): avc: denied { associate } for pid=6936 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 2019/12/08 18:54:00 executed programs: 1 2019/12/08 18:54:06 executed programs: 3 2019/12/08 18:54:12 executed programs: 5 2019/12/08 18:54:18 executed programs: 7 2019/12/08 18:54:25 executed programs: 9 2019/12/08 18:54:31 executed programs: 11 2019/12/08 18:54:37 executed programs: 13 2019/12/08 18:54:43 executed programs: 15 2019/12/08 18:54:48 executed programs: 17 2019/12/08 18:54:54 executed programs: 19 [ 153.185976][ T7006] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 158.129405][ T7006] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811f0f4800 (size 2048): comm "syz-executor.0", pid 6942, jiffies 4294946499 (age 67.950s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 20 00 00 00 00 01 00 00 00 00 00 00 01 00 00 00 ............... backtrace: [<00000000311dc3bd>] __kmalloc+0x169/0x300 [<00000000a763bde0>] bio_alloc_bioset+0x1b5/0x2c0 [<00000000db8b66e8>] bio_copy_user_iov+0x121/0x4d0 [<00000000ee82e8fd>] blk_rq_map_user_iov+0xc6/0x2b0 [<00000000c317a968>] blk_rq_map_user+0x71/0xb0 [<0000000005d8ffe7>] sg_common_write.isra.0+0x6c9/0xaf0 [<00000000a670010a>] sg_new_write.isra.0+0x1a2/0x360 [<000000000eb280a4>] sg_write.part.0+0x41f/0x520 [<00000000db45bd58>] sg_write+0x44/0x64 [<0000000011775eb5>] do_iter_write+0x1da/0x230 [<00000000f10f495c>] vfs_writev+0xcb/0x130 [<000000000efec48e>] do_writev+0x89/0x180 [<000000003458f5dc>] __x64_sys_writev+0x20/0x30 [<0000000024b3f2d9>] do_syscall_64+0x73/0x220 [<00000000d4a60a7b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88812130c800 (size 2048): comm "syz-executor.0", pid 6954, jiffies 4294947718 (age 55.760s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 20 00 00 00 00 01 00 00 00 00 00 00 01 00 00 00 ............... backtrace: [<00000000311dc3bd>] __kmalloc+0x169/0x300 [<00000000a763bde0>] bio_alloc_bioset+0x1b5/0x2c0 [<00000000db8b66e8>] bio_copy_user_iov+0x121/0x4d0 [<00000000ee82e8fd>] blk_rq_map_user_iov+0xc6/0x2b0 [<00000000c317a968>] blk_rq_map_user+0x71/0xb0 [<0000000005d8ffe7>] sg_common_write.isra.0+0x6c9/0xaf0 [<00000000a670010a>] sg_new_write.isra.0+0x1a2/0x360 [<000000000eb280a4>] sg_write.part.0+0x41f/0x520 [<00000000db45bd58>] sg_write+0x44/0x64 [<0000000011775eb5>] do_iter_write+0x1da/0x230 [<00000000f10f495c>] vfs_writev+0xcb/0x130 [<000000000efec48e>] do_writev+0x89/0x180 [<000000003458f5dc>] __x64_sys_writev+0x20/0x30 [<0000000024b3f2d9>] do_syscall_64+0x73/0x220 [<00000000d4a60a7b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811e80d800 (size 2048): comm "syz-executor.0", pid 6956, jiffies 4294947718 (age 55.760s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 20 00 00 00 00 01 00 00 00 00 00 00 01 00 00 00 ............... backtrace: [<00000000311dc3bd>] __kmalloc+0x169/0x300 [<00000000a763bde0>] bio_alloc_bioset+0x1b5/0x2c0 [<00000000db8b66e8>] bio_copy_user_iov+0x121/0x4d0 [<00000000ee82e8fd>] blk_rq_map_user_iov+0xc6/0x2b0 [<00000000c317a968>] blk_rq_map_user+0x71/0xb0 [<0000000005d8ffe7>] sg_common_write.isra.0+0x6c9/0xaf0 [<00000000a670010a>] sg_new_write.isra.0+0x1a2/0x360 [<000000000eb280a4>] sg_write.part.0+0x41f/0x520 [<00000000db45bd58>] sg_write+0x44/0x64 [<0000000011775eb5>] do_iter_write+0x1da/0x230 [<00000000f10f495c>] vfs_writev+0xcb/0x130 [<000000000efec48e>] do_writev+0x89/0x180 [<000000003458f5dc>] __x64_sys_writev+0x20/0x30 [<0000000024b3f2d9>] do_syscall_64+0x73/0x220 [<00000000d4a60a7b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9