[....] Starting file context maintaining daemon: restorecond[?2[ 123.681455][ T33] kauditd_printk_skb: 4 callbacks suppressed 5l[?1c7[[[ 123.681502][ T33] audit: type=1800 audit(1582652546.759:39): pid=11213 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 32m ok [ 123.711727][ T33] audit: type=1800 audit(1582652546.779:40): pid=11213 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 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 124.684917][ T33] audit: type=1400 audit(1582652547.769:41): avc: denied { map } for pid=11388 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.26' (ECDSA) to the list of known hosts. syzkaller login: [ 133.181535][ T33] audit: type=1400 audit(1582652556.259:42): avc: denied { map } for pid=11400 comm="syz-executor268" path="/root/syz-executor268434432" 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 [ 133.222982][T11401] IPVS: ftp: loaded support on port[0] = 21 executing program [ 133.292699][ T33] audit: type=1400 audit(1582652556.369:43): avc: denied { create } for pid=11401 comm="syz-executor268" 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 [ 133.300265][T11401] ===================================================== [ 133.317742][ T33] audit: type=1400 audit(1582652556.379:44): avc: denied { write } for pid=11401 comm="syz-executor268" 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 [ 133.324469][T11401] BUG: KMSAN: uninit-value in ethnl_update_bitset32+0x2c85/0x3860 [ 133.324490][T11401] CPU: 1 PID: 11401 Comm: syz-executor268 Not tainted 5.6.0-rc2-syzkaller #0 [ 133.324498][T11401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 133.324503][T11401] Call Trace: [ 133.324524][T11401] dump_stack+0x1c9/0x220 [ 133.324550][T11401] kmsan_report+0xf7/0x1e0 [ 133.324574][T11401] __msan_warning+0x58/0xa0 [ 133.324624][T11401] ethnl_update_bitset32+0x2c85/0x3860 [ 133.349502][ T33] audit: type=1400 audit(1582652556.379:45): avc: denied { read } for pid=11401 comm="syz-executor268" 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 [ 133.357098][T11401] ? kmsan_get_metadata+0x11d/0x180 [ 133.357122][T11401] ? kmsan_memcpy_memmove_metadata+0x10c/0x2e0 [ 133.357145][T11401] ? kmsan_memcpy_metadata+0xb/0x10 [ 133.357187][T11401] ? __msan_memcpy+0x43/0x50 [ 133.443902][T11401] ethnl_update_bitset+0x11c/0x130 [ 133.449012][T11401] ethnl_set_linkmodes+0x9f9/0x1430 [ 133.454227][T11401] ? kmsan_get_metadata+0x11d/0x180 [ 133.459422][T11401] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 133.465220][T11401] ? linkmodes_fill_reply+0x5c0/0x5c0 [ 133.470585][T11401] genl_rcv_msg+0x205e/0x2460 [ 133.475276][T11401] netlink_rcv_skb+0x451/0x650 [ 133.480031][T11401] ? genl_unbind+0x380/0x380 [ 133.484615][T11401] genl_rcv+0x63/0x80 [ 133.488584][T11401] netlink_unicast+0xf9e/0x1100 [ 133.493537][T11401] ? genl_pernet_exit+0x90/0x90 [ 133.498386][T11401] netlink_sendmsg+0x1246/0x14d0 [ 133.503329][T11401] ? netlink_getsockopt+0x1440/0x1440 [ 133.508725][T11401] ____sys_sendmsg+0x12b6/0x1350 [ 133.513684][T11401] __sys_sendmsg+0x451/0x5f0 [ 133.518402][T11401] ? __fpregs_load_activate+0x38c/0x3c0 [ 133.523949][T11401] ? kmsan_get_metadata+0x11d/0x180 [ 133.529135][T11401] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 133.534945][T11401] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 133.541001][T11401] ? prepare_exit_to_usermode+0x1ca/0x520 [ 133.546718][T11401] ? kmsan_get_metadata+0x4f/0x180 [ 133.552000][T11401] ? kmsan_get_metadata+0x4f/0x180 [ 133.557109][T11401] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 133.562914][T11401] __ia32_compat_sys_sendmsg+0xed/0x130 [ 133.568463][T11401] ? compat_mc_getsockopt+0x19a0/0x19a0 [ 133.574111][T11401] do_fast_syscall_32+0x3c7/0x6e0 [ 133.579142][T11401] entry_SYSENTER_compat+0x68/0x77 [ 133.584246][T11401] RIP: 0023:0xf7f1ad99 [ 133.588308][T11401] 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 [ 133.607907][T11401] RSP: 002b:00000000ff956dbc EFLAGS: 00000282 ORIG_RAX: 0000000000000172 [ 133.616315][T11401] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000240 [ 133.624281][T11401] RDX: 0000000000000000 RSI: 00000000ff956e2e RDI: 0000000000000001 [ 133.632245][T11401] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 133.640257][T11401] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 133.648224][T11401] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 133.656211][T11401] [ 133.658568][T11401] Uninit was created at: [ 133.662800][T11401] kmsan_internal_poison_shadow+0x66/0xd0 [ 133.668514][T11401] kmsan_slab_alloc+0x8a/0xe0 [ 133.673193][T11401] __kmalloc_node_track_caller+0xb40/0x1200 [ 133.679182][T11401] __alloc_skb+0x2fd/0xac0 [ 133.683595][T11401] netlink_sendmsg+0x7d3/0x14d0 [ 133.688433][T11401] ____sys_sendmsg+0x12b6/0x1350 [ 133.693364][T11401] __sys_sendmsg+0x451/0x5f0 [ 133.697942][T11401] __ia32_compat_sys_sendmsg+0xed/0x130 [ 133.703481][T11401] do_fast_syscall_32+0x3c7/0x6e0 [ 133.708508][T11401] entry_SYSENTER_compat+0x68/0x77 [ 133.713605][T11401] ===================================================== [ 133.720532][T11401] Disabling lock debugging due to kernel taint [ 133.726678][T11401] Kernel panic - not syncing: panic_on_warn set ... [ 133.733252][T11401] CPU: 1 PID: 11401 Comm: syz-executor268 Tainted: G B 5.6.0-rc2-syzkaller #0 [ 133.743385][T11401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 133.753433][T11401] Call Trace: [ 133.756835][T11401] dump_stack+0x1c9/0x220 [ 133.761183][T11401] panic+0x3d5/0xc3e [ 133.765257][T11401] kmsan_report+0x1df/0x1e0 [ 133.769752][T11401] __msan_warning+0x58/0xa0 [ 133.774244][T11401] ethnl_update_bitset32+0x2c85/0x3860 [ 133.779712][T11401] ? kmsan_get_metadata+0x11d/0x180 [ 133.784914][T11401] ? kmsan_memcpy_memmove_metadata+0x10c/0x2e0 [ 133.791071][T11401] ? kmsan_memcpy_metadata+0xb/0x10 [ 133.796255][T11401] ? __msan_memcpy+0x43/0x50 [ 133.800858][T11401] ethnl_update_bitset+0x11c/0x130 [ 133.805979][T11401] ethnl_set_linkmodes+0x9f9/0x1430 [ 133.811197][T11401] ? kmsan_get_metadata+0x11d/0x180 [ 133.816396][T11401] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 133.822252][T11401] ? linkmodes_fill_reply+0x5c0/0x5c0 [ 133.827672][T11401] genl_rcv_msg+0x205e/0x2460 [ 133.832391][T11401] netlink_rcv_skb+0x451/0x650 [ 133.837153][T11401] ? genl_unbind+0x380/0x380 [ 133.841735][T11401] genl_rcv+0x63/0x80 [ 133.845716][T11401] netlink_unicast+0xf9e/0x1100 [ 133.850576][T11401] ? genl_pernet_exit+0x90/0x90 [ 133.855432][T11401] netlink_sendmsg+0x1246/0x14d0 [ 133.860498][T11401] ? netlink_getsockopt+0x1440/0x1440 [ 133.865888][T11401] ____sys_sendmsg+0x12b6/0x1350 [ 133.871015][T11401] __sys_sendmsg+0x451/0x5f0 [ 133.875609][T11401] ? __fpregs_load_activate+0x38c/0x3c0 [ 133.881160][T11401] ? kmsan_get_metadata+0x11d/0x180 [ 133.886423][T11401] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 133.892221][T11401] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 133.898368][T11401] ? prepare_exit_to_usermode+0x1ca/0x520 [ 133.904191][T11401] ? kmsan_get_metadata+0x4f/0x180 [ 133.909303][T11401] ? kmsan_get_metadata+0x4f/0x180 [ 133.914414][T11401] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 133.920221][T11401] __ia32_compat_sys_sendmsg+0xed/0x130 [ 133.925767][T11401] ? compat_mc_getsockopt+0x19a0/0x19a0 [ 133.931315][T11401] do_fast_syscall_32+0x3c7/0x6e0 [ 133.936349][T11401] entry_SYSENTER_compat+0x68/0x77 [ 133.941462][T11401] RIP: 0023:0xf7f1ad99 [ 133.945518][T11401] 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 [ 133.965112][T11401] RSP: 002b:00000000ff956dbc EFLAGS: 00000282 ORIG_RAX: 0000000000000172 [ 133.973517][T11401] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000240 [ 133.981501][T11401] RDX: 0000000000000000 RSI: 00000000ff956e2e RDI: 0000000000000001 [ 133.989484][T11401] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 133.997581][T11401] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 134.005553][T11401] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 134.014807][T11401] Kernel Offset: 0x16e00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 134.026441][T11401] Rebooting in 86400 seconds..