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. [ 122.366756][ T32] kauditd_printk_skb: 4 callbacks suppressed [ 122.366804][ T32] audit: type=1800 audit(1582679094.411:39): pid=11753 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 [ 122.395516][ T32] audit: type=1800 audit(1582679094.421:40): pid=11753 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: [ 127.033414][ T32] audit: type=1400 audit(1582679099.081:41): avc: denied { map } for pid=11930 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 '10.128.0.237' (ECDSA) to the list of known hosts. [ 135.337382][ T32] audit: type=1400 audit(1582679107.381:42): avc: denied { map } for pid=11942 comm="syz-executor407" path="/root/syz-executor407094378" 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 [ 135.368352][T11943] IPVS: ftp: loaded support on port[0] = 21 executing program [ 135.437231][ T32] audit: type=1400 audit(1582679107.481:43): avc: denied { create } for pid=11943 comm="syz-executor407" 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 [ 135.444724][T11943] ===================================================== [ 135.462489][ T32] audit: type=1400 audit(1582679107.481:44): avc: denied { write } for pid=11943 comm="syz-executor407" 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 [ 135.469155][T11943] BUG: KMSAN: uninit-value in ethnl_update_bitset32+0x2c85/0x3860 [ 135.494074][ T32] audit: type=1400 audit(1582679107.481:45): avc: denied { read } for pid=11943 comm="syz-executor407" 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 [ 135.501617][T11943] CPU: 1 PID: 11943 Comm: syz-executor407 Not tainted 5.6.0-rc2-syzkaller #0 [ 135.534931][T11943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.544977][T11943] Call Trace: [ 135.548364][T11943] dump_stack+0x1c9/0x220 [ 135.552692][T11943] kmsan_report+0xf7/0x1e0 [ 135.557100][T11943] __msan_warning+0x58/0xa0 [ 135.561587][T11943] ethnl_update_bitset32+0x2c85/0x3860 [ 135.567176][T11943] ? kmsan_get_metadata+0x11d/0x180 [ 135.572382][T11943] ? kmsan_memcpy_memmove_metadata+0x10c/0x2e0 [ 135.578603][T11943] ? kmsan_memcpy_metadata+0xb/0x10 [ 135.583796][T11943] ? __msan_memcpy+0x43/0x50 [ 135.588370][T11943] ethnl_update_bitset+0x11c/0x130 [ 135.593529][T11943] ethnl_set_linkmodes+0x9f9/0x1430 [ 135.598736][T11943] ? kmsan_get_metadata+0x11d/0x180 [ 135.603929][T11943] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 135.609727][T11943] ? linkmodes_fill_reply+0x5c0/0x5c0 [ 135.615124][T11943] genl_rcv_msg+0x205e/0x2460 [ 135.619813][T11943] netlink_rcv_skb+0x451/0x650 [ 135.624566][T11943] ? genl_unbind+0x380/0x380 [ 135.629152][T11943] genl_rcv+0x63/0x80 [ 135.633159][T11943] netlink_unicast+0xf9e/0x1100 [ 135.638026][T11943] ? genl_pernet_exit+0x90/0x90 [ 135.642875][T11943] netlink_sendmsg+0x1246/0x14d0 [ 135.647804][T11943] ? netlink_getsockopt+0x1440/0x1440 [ 135.653163][T11943] ____sys_sendmsg+0x12b6/0x1350 [ 135.658106][T11943] __sys_sendmsg+0x451/0x5f0 [ 135.662697][T11943] ? __fpregs_load_activate+0x38c/0x3c0 [ 135.668232][T11943] ? kmsan_get_metadata+0x11d/0x180 [ 135.673427][T11943] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 135.679222][T11943] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 135.685889][T11943] ? prepare_exit_to_usermode+0x1ca/0x520 [ 135.691599][T11943] ? kmsan_get_metadata+0x4f/0x180 [ 135.696732][T11943] ? kmsan_get_metadata+0x4f/0x180 [ 135.701833][T11943] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 135.707646][T11943] __ia32_compat_sys_sendmsg+0xed/0x130 [ 135.713181][T11943] ? compat_mc_getsockopt+0x19a0/0x19a0 [ 135.718716][T11943] do_fast_syscall_32+0x3c7/0x6e0 [ 135.723738][T11943] entry_SYSENTER_compat+0x68/0x77 [ 135.728834][T11943] RIP: 0023:0xf7fa5d99 [ 135.732890][T11943] 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 [ 135.752485][T11943] RSP: 002b:00000000ff9aa2bc EFLAGS: 00000282 ORIG_RAX: 0000000000000172 [ 135.760882][T11943] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000240 [ 135.768857][T11943] RDX: 0000000000000000 RSI: 00000000ff9aa32e RDI: 0000000000000001 [ 135.776818][T11943] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 135.784780][T11943] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 135.792742][T11943] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 135.800757][T11943] [ 135.803074][T11943] Uninit was created at: [ 135.807306][T11943] kmsan_internal_poison_shadow+0x66/0xd0 [ 135.813052][T11943] kmsan_slab_alloc+0x8a/0xe0 [ 135.817716][T11943] __kmalloc_node_track_caller+0xb40/0x1200 [ 135.823595][T11943] __alloc_skb+0x2fd/0xac0 [ 135.827998][T11943] netlink_sendmsg+0x7d3/0x14d0 [ 135.832839][T11943] ____sys_sendmsg+0x12b6/0x1350 [ 135.837810][T11943] __sys_sendmsg+0x451/0x5f0 [ 135.842405][T11943] __ia32_compat_sys_sendmsg+0xed/0x130 [ 135.847990][T11943] do_fast_syscall_32+0x3c7/0x6e0 [ 135.853011][T11943] entry_SYSENTER_compat+0x68/0x77 [ 135.859923][T11943] ===================================================== [ 135.866838][T11943] Disabling lock debugging due to kernel taint [ 135.872976][T11943] Kernel panic - not syncing: panic_on_warn set ... [ 135.879562][T11943] CPU: 1 PID: 11943 Comm: syz-executor407 Tainted: G B 5.6.0-rc2-syzkaller #0 [ 135.889722][T11943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.899768][T11943] Call Trace: [ 135.903107][T11943] dump_stack+0x1c9/0x220 [ 135.907432][T11943] panic+0x3d5/0xc3e [ 135.911331][T11943] kmsan_report+0x1df/0x1e0 [ 135.915828][T11943] __msan_warning+0x58/0xa0 [ 135.920315][T11943] ethnl_update_bitset32+0x2c85/0x3860 [ 135.925775][T11943] ? kmsan_get_metadata+0x11d/0x180 [ 135.930967][T11943] ? kmsan_memcpy_memmove_metadata+0x10c/0x2e0 [ 135.937115][T11943] ? kmsan_memcpy_metadata+0xb/0x10 [ 135.942373][T11943] ? __msan_memcpy+0x43/0x50 [ 135.946965][T11943] ethnl_update_bitset+0x11c/0x130 [ 135.952083][T11943] ethnl_set_linkmodes+0x9f9/0x1430 [ 135.957323][T11943] ? kmsan_get_metadata+0x11d/0x180 [ 135.962518][T11943] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 135.968326][T11943] ? linkmodes_fill_reply+0x5c0/0x5c0 [ 135.973685][T11943] genl_rcv_msg+0x205e/0x2460 [ 135.978374][T11943] netlink_rcv_skb+0x451/0x650 [ 135.983129][T11943] ? genl_unbind+0x380/0x380 [ 135.987717][T11943] genl_rcv+0x63/0x80 [ 135.991687][T11943] netlink_unicast+0xf9e/0x1100 [ 135.996529][T11943] ? genl_pernet_exit+0x90/0x90 [ 136.001412][T11943] netlink_sendmsg+0x1246/0x14d0 [ 136.006348][T11943] ? netlink_getsockopt+0x1440/0x1440 [ 136.011716][T11943] ____sys_sendmsg+0x12b6/0x1350 [ 136.016655][T11943] __sys_sendmsg+0x451/0x5f0 [ 136.021267][T11943] ? __fpregs_load_activate+0x38c/0x3c0 [ 136.026798][T11943] ? kmsan_get_metadata+0x11d/0x180 [ 136.031984][T11943] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 136.037782][T11943] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 136.043835][T11943] ? prepare_exit_to_usermode+0x1ca/0x520 [ 136.049541][T11943] ? kmsan_get_metadata+0x4f/0x180 [ 136.054638][T11943] ? kmsan_get_metadata+0x4f/0x180 [ 136.059738][T11943] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 136.065533][T11943] __ia32_compat_sys_sendmsg+0xed/0x130 [ 136.071083][T11943] ? compat_mc_getsockopt+0x19a0/0x19a0 [ 136.076618][T11943] do_fast_syscall_32+0x3c7/0x6e0 [ 136.081642][T11943] entry_SYSENTER_compat+0x68/0x77 [ 136.086741][T11943] RIP: 0023:0xf7fa5d99 [ 136.090795][T11943] 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 [ 136.110515][T11943] RSP: 002b:00000000ff9aa2bc EFLAGS: 00000282 ORIG_RAX: 0000000000000172 [ 136.119010][T11943] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000240 [ 136.129222][T11943] RDX: 0000000000000000 RSI: 00000000ff9aa32e RDI: 0000000000000001 [ 136.137179][T11943] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 136.145134][T11943] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 136.153093][T11943] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 136.162413][T11943] Kernel Offset: 0x2de00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 136.174034][T11943] Rebooting in 86400 seconds..