[ 125.826745][ T33] audit: type=1400 audit(1583185754.882:37): avc: denied { watch } for pid=11456 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16180 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 125.857748][ T33] audit: type=1400 audit(1583185754.882:38): avc: denied { watch } for pid=11456 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 126.336065][ T33] audit: type=1800 audit(1583185755.392:39): pid=11367 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 [ 126.372398][ T33] audit: type=1800 audit(1583185755.412:40): pid=11367 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: [ 128.565019][ T33] audit: type=1400 audit(1583185757.622:41): avc: denied { map } for pid=11543 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 '10.128.0.151' (ECDSA) to the list of known hosts. [ 137.128941][ T33] audit: type=1400 audit(1583185766.182:42): avc: denied { map } for pid=11555 comm="syz-executor704" path="/root/syz-executor704614544" 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 [ 137.160005][T11556] IPVS: ftp: loaded support on port[0] = 21 executing program [ 137.232840][ T33] audit: type=1400 audit(1583185766.292:43): avc: denied { create } for pid=11556 comm="syz-executor704" 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 [ 137.241370][T11556] ===================================================== [ 137.257876][ T33] audit: type=1400 audit(1583185766.292:44): avc: denied { write } for pid=11556 comm="syz-executor704" 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 [ 137.264975][T11556] BUG: KMSAN: uninit-value in ethnl_update_bitset32+0x2c85/0x3860 [ 137.264992][T11556] CPU: 1 PID: 11556 Comm: syz-executor704 Not tainted 5.6.0-rc2-syzkaller #0 [ 137.264998][T11556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.265004][T11556] Call Trace: [ 137.265026][T11556] dump_stack+0x1c9/0x220 [ 137.265052][T11556] kmsan_report+0xf7/0x1e0 [ 137.265074][T11556] __msan_warning+0x58/0xa0 [ 137.265094][T11556] ethnl_update_bitset32+0x2c85/0x3860 [ 137.265156][T11556] ? kmsan_get_metadata+0x11d/0x180 [ 137.290366][ T33] audit: type=1400 audit(1583185766.292:45): avc: denied { read } for pid=11556 comm="syz-executor704" 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 [ 137.298084][T11556] ? kmsan_memcpy_memmove_metadata+0x10c/0x2e0 [ 137.298108][T11556] ? kmsan_memcpy_metadata+0xb/0x10 [ 137.298123][T11556] ? __msan_memcpy+0x43/0x50 [ 137.298145][T11556] ethnl_update_bitset+0x11c/0x130 [ 137.298190][T11556] ethnl_set_linkmodes+0x9f9/0x1430 [ 137.396643][T11556] ? kmsan_get_metadata+0x11d/0x180 [ 137.401839][T11556] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 137.407631][T11556] ? linkmodes_fill_reply+0x5c0/0x5c0 [ 137.412985][T11556] genl_rcv_msg+0x205e/0x2460 [ 137.417664][T11556] netlink_rcv_skb+0x451/0x650 [ 137.422421][T11556] ? genl_unbind+0x380/0x380 [ 137.427014][T11556] genl_rcv+0x63/0x80 [ 137.431038][T11556] netlink_unicast+0xf9e/0x1100 [ 137.435941][T11556] ? genl_pernet_exit+0x90/0x90 [ 137.440936][T11556] netlink_sendmsg+0x1246/0x14d0 [ 137.445918][T11556] ? netlink_getsockopt+0x1440/0x1440 [ 137.451278][T11556] ____sys_sendmsg+0x12b6/0x1350 [ 137.456311][T11556] __sys_sendmsg+0x451/0x5f0 [ 137.460914][T11556] ? __fpregs_load_activate+0x38c/0x3c0 [ 137.466447][T11556] ? kmsan_get_metadata+0x11d/0x180 [ 137.471663][T11556] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 137.477497][T11556] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 137.483566][T11556] ? prepare_exit_to_usermode+0x1ca/0x520 [ 137.489342][T11556] ? kmsan_get_metadata+0x4f/0x180 [ 137.494575][T11556] ? kmsan_get_metadata+0x4f/0x180 [ 137.499822][T11556] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 137.505682][T11556] __ia32_compat_sys_sendmsg+0xed/0x130 [ 137.511617][T11556] ? compat_mc_getsockopt+0x19a0/0x19a0 [ 137.517163][T11556] do_fast_syscall_32+0x3c7/0x6e0 [ 137.522210][T11556] entry_SYSENTER_compat+0x68/0x77 [ 137.527420][T11556] RIP: 0023:0xf7fced99 [ 137.531471][T11556] 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 [ 137.551083][T11556] RSP: 002b:00000000ff924b2c EFLAGS: 00000282 ORIG_RAX: 0000000000000172 [ 137.559492][T11556] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000240 [ 137.568458][T11556] RDX: 0000000000000000 RSI: 00000000ff924b9e RDI: 0000000000000001 [ 137.576424][T11556] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 137.584388][T11556] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 137.592357][T11556] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 137.600345][T11556] [ 137.602787][T11556] Uninit was created at: [ 137.607022][T11556] kmsan_internal_poison_shadow+0x66/0xd0 [ 137.612842][T11556] kmsan_slab_alloc+0x8a/0xe0 [ 137.617517][T11556] __kmalloc_node_track_caller+0xb40/0x1200 [ 137.623399][T11556] __alloc_skb+0x2fd/0xac0 [ 137.627798][T11556] netlink_sendmsg+0x7d3/0x14d0 [ 137.632646][T11556] ____sys_sendmsg+0x12b6/0x1350 [ 137.637587][T11556] __sys_sendmsg+0x451/0x5f0 [ 137.642181][T11556] __ia32_compat_sys_sendmsg+0xed/0x130 [ 137.647716][T11556] do_fast_syscall_32+0x3c7/0x6e0 [ 137.652731][T11556] entry_SYSENTER_compat+0x68/0x77 [ 137.658611][T11556] ===================================================== [ 137.666094][T11556] Disabling lock debugging due to kernel taint [ 137.672359][T11556] Kernel panic - not syncing: panic_on_warn set ... [ 137.678937][T11556] CPU: 1 PID: 11556 Comm: syz-executor704 Tainted: G B 5.6.0-rc2-syzkaller #0 [ 137.689238][T11556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.699354][T11556] Call Trace: [ 137.702635][T11556] dump_stack+0x1c9/0x220 [ 137.706953][T11556] panic+0x3d5/0xc3e [ 137.710869][T11556] kmsan_report+0x1df/0x1e0 [ 137.715367][T11556] __msan_warning+0x58/0xa0 [ 137.719867][T11556] ethnl_update_bitset32+0x2c85/0x3860 [ 137.725322][T11556] ? kmsan_get_metadata+0x11d/0x180 [ 137.730681][T11556] ? kmsan_memcpy_memmove_metadata+0x10c/0x2e0 [ 137.736844][T11556] ? kmsan_memcpy_metadata+0xb/0x10 [ 137.742068][T11556] ? __msan_memcpy+0x43/0x50 [ 137.746791][T11556] ethnl_update_bitset+0x11c/0x130 [ 137.751915][T11556] ethnl_set_linkmodes+0x9f9/0x1430 [ 137.757230][T11556] ? kmsan_get_metadata+0x11d/0x180 [ 137.762562][T11556] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 137.769767][T11556] ? linkmodes_fill_reply+0x5c0/0x5c0 [ 137.775147][T11556] genl_rcv_msg+0x205e/0x2460 [ 137.779853][T11556] netlink_rcv_skb+0x451/0x650 [ 137.784621][T11556] ? genl_unbind+0x380/0x380 [ 137.789203][T11556] genl_rcv+0x63/0x80 [ 137.793174][T11556] netlink_unicast+0xf9e/0x1100 [ 137.798056][T11556] ? genl_pernet_exit+0x90/0x90 [ 137.802941][T11556] netlink_sendmsg+0x1246/0x14d0 [ 137.808035][T11556] ? netlink_getsockopt+0x1440/0x1440 [ 137.813399][T11556] ____sys_sendmsg+0x12b6/0x1350 [ 137.818360][T11556] __sys_sendmsg+0x451/0x5f0 [ 137.823044][T11556] ? __fpregs_load_activate+0x38c/0x3c0 [ 137.828675][T11556] ? kmsan_get_metadata+0x11d/0x180 [ 137.833971][T11556] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 137.839790][T11556] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 137.845856][T11556] ? prepare_exit_to_usermode+0x1ca/0x520 [ 137.851639][T11556] ? kmsan_get_metadata+0x4f/0x180 [ 137.856752][T11556] ? kmsan_get_metadata+0x4f/0x180 [ 137.861900][T11556] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 137.867911][T11556] __ia32_compat_sys_sendmsg+0xed/0x130 [ 137.873511][T11556] ? compat_mc_getsockopt+0x19a0/0x19a0 [ 137.879046][T11556] do_fast_syscall_32+0x3c7/0x6e0 [ 137.884081][T11556] entry_SYSENTER_compat+0x68/0x77 [ 137.889181][T11556] RIP: 0023:0xf7fced99 [ 137.893244][T11556] 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 [ 137.912842][T11556] RSP: 002b:00000000ff924b2c EFLAGS: 00000282 ORIG_RAX: 0000000000000172 [ 137.921466][T11556] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000240 [ 137.929435][T11556] RDX: 0000000000000000 RSI: 00000000ff924b9e RDI: 0000000000000001 [ 137.937398][T11556] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 137.945385][T11556] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 137.953448][T11556] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 137.962802][T11556] Kernel Offset: 0x11000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 137.974444][T11556] Rebooting in 86400 seconds..