Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 119.026062][ T32] kauditd_printk_skb: 4 callbacks suppressed [ 119.026108][ T32] audit: type=1800 audit(1582654818.087:39): pid=11003 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 119.067963][ T32] audit: type=1800 audit(1582654818.117:40): pid=11003 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: [ 121.336371][ T32] audit: type=1400 audit(1582654820.397:41): avc: denied { map } for pid=11177 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 '10.128.0.180' (ECDSA) to the list of known hosts. [ 129.857341][ T32] audit: type=1400 audit(1582654828.917:42): avc: denied { map } for pid=11189 comm="syz-executor349" path="/root/syz-executor349313043" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 129.896399][T11190] IPVS: ftp: loaded support on port[0] = 21 executing program [ 129.964611][ T32] audit: type=1400 audit(1582654829.027:43): avc: denied { create } for pid=11190 comm="syz-executor349" 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 [ 129.972230][T11190] ===================================================== [ 129.989680][ T32] audit: type=1400 audit(1582654829.027:44): avc: denied { write } for pid=11190 comm="syz-executor349" 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 [ 129.996386][T11190] BUG: KMSAN: uninit-value in ethnl_update_bitset32+0x2c85/0x3860 [ 129.996403][T11190] CPU: 1 PID: 11190 Comm: syz-executor349 Not tainted 5.6.0-rc2-syzkaller #0 [ 129.996410][T11190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 129.996416][T11190] Call Trace: [ 129.996436][T11190] dump_stack+0x1c9/0x220 [ 129.996462][T11190] kmsan_report+0xf7/0x1e0 [ 129.996520][T11190] __msan_warning+0x58/0xa0 [ 130.021294][ T32] audit: type=1400 audit(1582654829.027:45): avc: denied { read } for pid=11190 comm="syz-executor349" 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 [ 130.028950][T11190] ethnl_update_bitset32+0x2c85/0x3860 [ 130.028990][T11190] ? kmsan_get_metadata+0x11d/0x180 [ 130.029031][T11190] ? kmsan_memcpy_memmove_metadata+0x10c/0x2e0 [ 130.105523][T11190] ? kmsan_memcpy_metadata+0xb/0x10 [ 130.110700][T11190] ? __msan_memcpy+0x43/0x50 [ 130.115276][T11190] ethnl_update_bitset+0x11c/0x130 [ 130.120385][T11190] ethnl_set_linkmodes+0x9f9/0x1430 [ 130.126103][T11190] ? kmsan_get_metadata+0x11d/0x180 [ 130.131297][T11190] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 130.137099][T11190] ? linkmodes_fill_reply+0x5c0/0x5c0 [ 130.142452][T11190] genl_rcv_msg+0x205e/0x2460 [ 130.147167][T11190] netlink_rcv_skb+0x451/0x650 [ 130.151912][T11190] ? genl_unbind+0x380/0x380 [ 130.156490][T11190] genl_rcv+0x63/0x80 [ 130.160451][T11190] netlink_unicast+0xf9e/0x1100 [ 130.165282][T11190] ? genl_pernet_exit+0x90/0x90 [ 130.170118][T11190] netlink_sendmsg+0x1246/0x14d0 [ 130.175046][T11190] ? netlink_getsockopt+0x1440/0x1440 [ 130.180411][T11190] ____sys_sendmsg+0x12b6/0x1350 [ 130.185864][T11190] __sys_sendmsg+0x451/0x5f0 [ 130.190547][T11190] ? __fpregs_load_activate+0x38c/0x3c0 [ 130.196070][T11190] ? kmsan_get_metadata+0x11d/0x180 [ 130.201248][T11190] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 130.207038][T11190] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 130.213083][T11190] ? prepare_exit_to_usermode+0x1ca/0x520 [ 130.218796][T11190] ? kmsan_get_metadata+0x4f/0x180 [ 130.223887][T11190] ? kmsan_get_metadata+0x4f/0x180 [ 130.228978][T11190] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 130.234766][T11190] __ia32_compat_sys_sendmsg+0xed/0x130 [ 130.240294][T11190] ? compat_mc_getsockopt+0x19a0/0x19a0 [ 130.245819][T11190] do_fast_syscall_32+0x3c7/0x6e0 [ 130.250830][T11190] entry_SYSENTER_compat+0x68/0x77 [ 130.255919][T11190] RIP: 0023:0xf7f21d99 [ 130.259966][T11190] Code: 90 e8 0b 00 00 00 f3 90 0f ae e8 eb f9 8d 74 26 00 89 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 130.279561][T11190] RSP: 002b:00000000ffc1b79c EFLAGS: 00000282 ORIG_RAX: 0000000000000172 [ 130.287953][T11190] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000240 [ 130.295919][T11190] RDX: 0000000000000000 RSI: 00000000ffc1b80e RDI: 0000000000000001 [ 130.303889][T11190] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 130.311876][T11190] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 130.319840][T11190] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 130.327918][T11190] [ 130.330239][T11190] Uninit was created at: [ 130.334466][T11190] kmsan_internal_poison_shadow+0x66/0xd0 [ 130.340206][T11190] kmsan_slab_alloc+0x8a/0xe0 [ 130.344934][T11190] __kmalloc_node_track_caller+0xb40/0x1200 [ 130.350824][T11190] __alloc_skb+0x2fd/0xac0 [ 130.355233][T11190] netlink_sendmsg+0x7d3/0x14d0 [ 130.360070][T11190] ____sys_sendmsg+0x12b6/0x1350 [ 130.365045][T11190] __sys_sendmsg+0x451/0x5f0 [ 130.369621][T11190] __ia32_compat_sys_sendmsg+0xed/0x130 [ 130.375146][T11190] do_fast_syscall_32+0x3c7/0x6e0 [ 130.380148][T11190] entry_SYSENTER_compat+0x68/0x77 [ 130.385231][T11190] ===================================================== [ 130.392139][T11190] Disabling lock debugging due to kernel taint [ 130.398265][T11190] Kernel panic - not syncing: panic_on_warn set ... [ 130.404834][T11190] CPU: 1 PID: 11190 Comm: syz-executor349 Tainted: G B 5.6.0-rc2-syzkaller #0 [ 130.414960][T11190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 130.424995][T11190] Call Trace: [ 130.428283][T11190] dump_stack+0x1c9/0x220 [ 130.432599][T11190] panic+0x3d5/0xc3e [ 130.436494][T11190] kmsan_report+0x1df/0x1e0 [ 130.440996][T11190] __msan_warning+0x58/0xa0 [ 130.445492][T11190] ethnl_update_bitset32+0x2c85/0x3860 [ 130.450957][T11190] ? kmsan_get_metadata+0x11d/0x180 [ 130.456187][T11190] ? kmsan_memcpy_memmove_metadata+0x10c/0x2e0 [ 130.462328][T11190] ? kmsan_memcpy_metadata+0xb/0x10 [ 130.467510][T11190] ? __msan_memcpy+0x43/0x50 [ 130.472086][T11190] ethnl_update_bitset+0x11c/0x130 [ 130.477183][T11190] ethnl_set_linkmodes+0x9f9/0x1430 [ 130.482377][T11190] ? kmsan_get_metadata+0x11d/0x180 [ 130.487575][T11190] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 130.493363][T11190] ? linkmodes_fill_reply+0x5c0/0x5c0 [ 130.498714][T11190] genl_rcv_msg+0x205e/0x2460 [ 130.503449][T11190] netlink_rcv_skb+0x451/0x650 [ 130.508236][T11190] ? genl_unbind+0x380/0x380 [ 130.512813][T11190] genl_rcv+0x63/0x80 [ 130.516776][T11190] netlink_unicast+0xf9e/0x1100 [ 130.521610][T11190] ? genl_pernet_exit+0x90/0x90 [ 130.526447][T11190] netlink_sendmsg+0x1246/0x14d0 [ 130.531398][T11190] ? netlink_getsockopt+0x1440/0x1440 [ 130.536764][T11190] ____sys_sendmsg+0x12b6/0x1350 [ 130.541702][T11190] __sys_sendmsg+0x451/0x5f0 [ 130.546288][T11190] ? __fpregs_load_activate+0x38c/0x3c0 [ 130.551826][T11190] ? kmsan_get_metadata+0x11d/0x180 [ 130.557017][T11190] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 130.562811][T11190] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 130.568857][T11190] ? prepare_exit_to_usermode+0x1ca/0x520 [ 130.574597][T11190] ? kmsan_get_metadata+0x4f/0x180 [ 130.579714][T11190] ? kmsan_get_metadata+0x4f/0x180 [ 130.584810][T11190] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 130.590596][T11190] __ia32_compat_sys_sendmsg+0xed/0x130 [ 130.596135][T11190] ? compat_mc_getsockopt+0x19a0/0x19a0 [ 130.601662][T11190] do_fast_syscall_32+0x3c7/0x6e0 [ 130.606678][T11190] entry_SYSENTER_compat+0x68/0x77 [ 130.611776][T11190] RIP: 0023:0xf7f21d99 [ 130.615852][T11190] Code: 90 e8 0b 00 00 00 f3 90 0f ae e8 eb f9 8d 74 26 00 89 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 130.635437][T11190] RSP: 002b:00000000ffc1b79c EFLAGS: 00000282 ORIG_RAX: 0000000000000172 [ 130.643827][T11190] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000240 [ 130.651782][T11190] RDX: 0000000000000000 RSI: 00000000ffc1b80e RDI: 0000000000000001 [ 130.659763][T11190] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 130.667713][T11190] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 130.675681][T11190] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 130.684912][T11190] Kernel Offset: 0x3200000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 130.696445][T11190] Rebooting in 86400 seconds..