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. [ 124.961168][ T32] kauditd_printk_skb: 4 callbacks suppressed [ 124.961220][ T32] audit: type=1800 audit(1584372926.014:39): pid=11658 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 [ 125.002981][ T32] audit: type=1800 audit(1584372926.054:40): pid=11658 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: [ 129.636588][ T32] audit: type=1400 audit(1584372930.694:41): avc: denied { map } for pid=11832 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 '10.128.15.198' (ECDSA) to the list of known hosts. executing program [ 138.241070][ T32] audit: type=1400 audit(1584372939.294:42): avc: denied { map } for pid=11844 comm="syz-executor808" path="/root/syz-executor808683503" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 138.253038][T11844] ===================================================== [ 138.274998][T11844] BUG: KMSAN: uninit-value in ax25_connect+0x92d/0x1e00 [ 138.281941][T11844] CPU: 1 PID: 11844 Comm: syz-executor808 Not tainted 5.6.0-rc2-syzkaller #0 [ 138.290727][T11844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.300804][T11844] Call Trace: [ 138.304083][T11844] dump_stack+0x1c9/0x220 [ 138.308454][T11844] kmsan_report+0xf7/0x1e0 [ 138.312854][T11844] __msan_warning+0x58/0xa0 [ 138.317349][T11844] ax25_connect+0x92d/0x1e00 [ 138.321950][T11844] ? kmsan_get_metadata+0x11d/0x180 [ 138.327150][T11844] __sys_connect+0x6f7/0x770 [ 138.331797][T11844] ? ax25_bind+0xa20/0xa20 [ 138.336212][T11844] ? kmsan_get_metadata+0x4f/0x180 [ 138.341309][T11844] __ia32_sys_connect+0xdb/0x130 [ 138.346238][T11844] ? __se_sys_connect+0xb0/0xb0 [ 138.351071][T11844] do_fast_syscall_32+0x3c7/0x6e0 [ 138.356088][T11844] entry_SYSENTER_compat+0x68/0x77 [ 138.361222][T11844] RIP: 0023:0xf7ff7d99 [ 138.365286][T11844] 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 [ 138.384872][T11844] RSP: 002b:00000000ff80833c EFLAGS: 00000246 ORIG_RAX: 000000000000016a [ 138.393263][T11844] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000000 [ 138.401216][T11844] RDX: 000000000000003c RSI: 00000000080ea078 RDI: 00000000ff808390 [ 138.409188][T11844] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 138.417189][T11844] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 138.425152][T11844] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 138.433119][T11844] [ 138.435428][T11844] Local variable ----address@__sys_connect created at: [ 138.442267][T11844] __sys_connect+0xf7/0x770 [ 138.446779][T11844] __sys_connect+0xf7/0x770 [ 138.451266][T11844] ===================================================== [ 138.458170][T11844] Disabling lock debugging due to kernel taint [ 138.464297][T11844] Kernel panic - not syncing: panic_on_warn set ... [ 138.470866][T11844] CPU: 1 PID: 11844 Comm: syz-executor808 Tainted: G B 5.6.0-rc2-syzkaller #0 [ 138.480987][T11844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.491030][T11844] Call Trace: [ 138.494304][T11844] dump_stack+0x1c9/0x220 [ 138.498619][T11844] panic+0x3d5/0xc3e [ 138.502538][T11844] kmsan_report+0x1df/0x1e0 [ 138.507036][T11844] __msan_warning+0x58/0xa0 [ 138.511520][T11844] ax25_connect+0x92d/0x1e00 [ 138.516114][T11844] ? kmsan_get_metadata+0x11d/0x180 [ 138.521300][T11844] __sys_connect+0x6f7/0x770 [ 138.525882][T11844] ? ax25_bind+0xa20/0xa20 [ 138.530299][T11844] ? kmsan_get_metadata+0x4f/0x180 [ 138.535392][T11844] __ia32_sys_connect+0xdb/0x130 [ 138.540316][T11844] ? __se_sys_connect+0xb0/0xb0 [ 138.545146][T11844] do_fast_syscall_32+0x3c7/0x6e0 [ 138.550178][T11844] entry_SYSENTER_compat+0x68/0x77 [ 138.555284][T11844] RIP: 0023:0xf7ff7d99 [ 138.559387][T11844] 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 [ 138.579095][T11844] RSP: 002b:00000000ff80833c EFLAGS: 00000246 ORIG_RAX: 000000000000016a [ 138.587503][T11844] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000000 [ 138.595511][T11844] RDX: 000000000000003c RSI: 00000000080ea078 RDI: 00000000ff808390 [ 138.603484][T11844] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 138.611447][T11844] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 138.619428][T11844] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 138.628759][T11844] Kernel Offset: 0xaa00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 138.640304][T11844] Rebooting in 86400 seconds..