[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 121.111054][ T33] kauditd_printk_skb: 4 callbacks suppressed [ 121.111103][ T33] audit: type=1800 audit(1582663900.153:39): pid=11346 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 [ 121.152463][ T33] audit: type=1800 audit(1582663900.193:40): pid=11346 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 [ 122.183197][ T33] audit: type=1400 audit(1582663901.233:41): avc: denied { map } for pid=11520 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 '10.128.0.88' (ECDSA) to the list of known hosts. syzkaller login: [ 130.735165][ T33] audit: type=1400 audit(1582663909.783:42): avc: denied { map } for pid=11532 comm="syz-executor914" path="/root/syz-executor914870874" 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 [ 130.768143][T11533] IPVS: ftp: loaded support on port[0] = 21 executing program [ 130.833873][ T33] audit: type=1400 audit(1582663909.883:43): avc: denied { create } for pid=11533 comm="syz-executor914" 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 [ 130.840983][T11533] ===================================================== [ 130.858862][ T33] audit: type=1400 audit(1582663909.883:44): avc: denied { write } for pid=11533 comm="syz-executor914" 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 [ 130.865630][T11533] BUG: KMSAN: uninit-value in ethnl_update_bitset32+0x2c85/0x3860 [ 130.865647][T11533] CPU: 1 PID: 11533 Comm: syz-executor914 Not tainted 5.6.0-rc2-syzkaller #0 [ 130.865655][T11533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 130.865661][T11533] Call Trace: [ 130.865682][T11533] dump_stack+0x1c9/0x220 [ 130.865708][T11533] kmsan_report+0xf7/0x1e0 [ 130.865762][T11533] __msan_warning+0x58/0xa0 [ 130.890563][ T33] audit: type=1400 audit(1582663909.883:45): avc: denied { read } for pid=11533 comm="syz-executor914" 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 [ 130.898210][T11533] ethnl_update_bitset32+0x2c85/0x3860 [ 130.898272][T11533] ? kmsan_get_metadata+0x11d/0x180 [ 130.968581][T11533] ? kmsan_memcpy_memmove_metadata+0x10c/0x2e0 [ 130.974725][T11533] ? kmsan_memcpy_metadata+0xb/0x10 [ 130.979903][T11533] ? __msan_memcpy+0x43/0x50 [ 130.984514][T11533] ethnl_update_bitset+0x11c/0x130 [ 130.989608][T11533] ethnl_set_linkmodes+0x9f9/0x1430 [ 130.994797][T11533] ? kmsan_get_metadata+0x11d/0x180 [ 130.999971][T11533] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 131.005754][T11533] ? linkmodes_fill_reply+0x5c0/0x5c0 [ 131.011100][T11533] genl_rcv_msg+0x205e/0x2460 [ 131.015777][T11533] netlink_rcv_skb+0x451/0x650 [ 131.020520][T11533] ? genl_unbind+0x380/0x380 [ 131.025096][T11533] genl_rcv+0x63/0x80 [ 131.029057][T11533] netlink_unicast+0xf9e/0x1100 [ 131.033892][T11533] ? genl_pernet_exit+0x90/0x90 [ 131.038727][T11533] netlink_sendmsg+0x1246/0x14d0 [ 131.043655][T11533] ? netlink_getsockopt+0x1440/0x1440 [ 131.049007][T11533] ____sys_sendmsg+0x12b6/0x1350 [ 131.053937][T11533] __sys_sendmsg+0x451/0x5f0 [ 131.058554][T11533] ? __fpregs_load_activate+0x38c/0x3c0 [ 131.064077][T11533] ? kmsan_get_metadata+0x11d/0x180 [ 131.069257][T11533] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 131.075042][T11533] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 131.081085][T11533] ? prepare_exit_to_usermode+0x1ca/0x520 [ 131.086780][T11533] ? kmsan_get_metadata+0x4f/0x180 [ 131.091871][T11533] ? kmsan_get_metadata+0x4f/0x180 [ 131.096981][T11533] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 131.102767][T11533] __ia32_compat_sys_sendmsg+0xed/0x130 [ 131.108324][T11533] ? compat_mc_getsockopt+0x19a0/0x19a0 [ 131.113847][T11533] do_fast_syscall_32+0x3c7/0x6e0 [ 131.118858][T11533] entry_SYSENTER_compat+0x68/0x77 [ 131.123955][T11533] RIP: 0023:0xf7f7ed99 [ 131.128027][T11533] 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 [ 131.147606][T11533] RSP: 002b:00000000ffcf969c EFLAGS: 00000282 ORIG_RAX: 0000000000000172 [ 131.155992][T11533] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000240 [ 131.163947][T11533] RDX: 0000000000000000 RSI: 00000000ffcf970e RDI: 0000000000000001 [ 131.171894][T11533] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 131.179844][T11533] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 131.187791][T11533] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 131.195747][T11533] [ 131.198064][T11533] Uninit was created at: [ 131.202295][T11533] kmsan_internal_poison_shadow+0x66/0xd0 [ 131.207998][T11533] kmsan_slab_alloc+0x8a/0xe0 [ 131.212659][T11533] __kmalloc_node_track_caller+0xb40/0x1200 [ 131.218527][T11533] __alloc_skb+0x2fd/0xac0 [ 131.222918][T11533] netlink_sendmsg+0x7d3/0x14d0 [ 131.227740][T11533] ____sys_sendmsg+0x12b6/0x1350 [ 131.232655][T11533] __sys_sendmsg+0x451/0x5f0 [ 131.237227][T11533] __ia32_compat_sys_sendmsg+0xed/0x130 [ 131.242747][T11533] do_fast_syscall_32+0x3c7/0x6e0 [ 131.247746][T11533] entry_SYSENTER_compat+0x68/0x77 [ 131.252837][T11533] ===================================================== [ 131.259737][T11533] Disabling lock debugging due to kernel taint [ 131.265860][T11533] Kernel panic - not syncing: panic_on_warn set ... [ 131.272424][T11533] CPU: 1 PID: 11533 Comm: syz-executor914 Tainted: G B 5.6.0-rc2-syzkaller #0 [ 131.282541][T11533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 131.292578][T11533] Call Trace: [ 131.295856][T11533] dump_stack+0x1c9/0x220 [ 131.300216][T11533] panic+0x3d5/0xc3e [ 131.304157][T11533] kmsan_report+0x1df/0x1e0 [ 131.308644][T11533] __msan_warning+0x58/0xa0 [ 131.313135][T11533] ethnl_update_bitset32+0x2c85/0x3860 [ 131.318583][T11533] ? kmsan_get_metadata+0x11d/0x180 [ 131.323814][T11533] ? kmsan_memcpy_memmove_metadata+0x10c/0x2e0 [ 131.329952][T11533] ? kmsan_memcpy_metadata+0xb/0x10 [ 131.335132][T11533] ? __msan_memcpy+0x43/0x50 [ 131.339703][T11533] ethnl_update_bitset+0x11c/0x130 [ 131.344804][T11533] ethnl_set_linkmodes+0x9f9/0x1430 [ 131.350035][T11533] ? kmsan_get_metadata+0x11d/0x180 [ 131.355217][T11533] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 131.361048][T11533] ? linkmodes_fill_reply+0x5c0/0x5c0 [ 131.366399][T11533] genl_rcv_msg+0x205e/0x2460 [ 131.371074][T11533] netlink_rcv_skb+0x451/0x650 [ 131.375864][T11533] ? genl_unbind+0x380/0x380 [ 131.380444][T11533] genl_rcv+0x63/0x80 [ 131.384408][T11533] netlink_unicast+0xf9e/0x1100 [ 131.389249][T11533] ? genl_pernet_exit+0x90/0x90 [ 131.394089][T11533] netlink_sendmsg+0x1246/0x14d0 [ 131.399021][T11533] ? netlink_getsockopt+0x1440/0x1440 [ 131.404377][T11533] ____sys_sendmsg+0x12b6/0x1350 [ 131.409308][T11533] __sys_sendmsg+0x451/0x5f0 [ 131.413892][T11533] ? __fpregs_load_activate+0x38c/0x3c0 [ 131.419456][T11533] ? kmsan_get_metadata+0x11d/0x180 [ 131.424639][T11533] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 131.430435][T11533] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 131.436528][T11533] ? prepare_exit_to_usermode+0x1ca/0x520 [ 131.442228][T11533] ? kmsan_get_metadata+0x4f/0x180 [ 131.447324][T11533] ? kmsan_get_metadata+0x4f/0x180 [ 131.452420][T11533] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 131.458247][T11533] __ia32_compat_sys_sendmsg+0xed/0x130 [ 131.463787][T11533] ? compat_mc_getsockopt+0x19a0/0x19a0 [ 131.469314][T11533] do_fast_syscall_32+0x3c7/0x6e0 [ 131.474333][T11533] entry_SYSENTER_compat+0x68/0x77 [ 131.479432][T11533] RIP: 0023:0xf7f7ed99 [ 131.483498][T11533] 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 [ 131.503124][T11533] RSP: 002b:00000000ffcf969c EFLAGS: 00000282 ORIG_RAX: 0000000000000172 [ 131.511515][T11533] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000240 [ 131.519466][T11533] RDX: 0000000000000000 RSI: 00000000ffcf970e RDI: 0000000000000001 [ 131.527420][T11533] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 131.535373][T11533] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 131.543325][T11533] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 131.552494][T11533] Kernel Offset: 0x19000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 131.564115][T11533] Rebooting in 86400 seconds..