IPVS: Creating netns size=2536 id=2 IPVS: Creating netns size=2536 id=3 audit: type=1400 audit(1514768305.830:6): avc: denied { sys_chroot } for pid=3328 comm="syz-executor4" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 ------------[ cut here ]-- [ 19.540824] WARNING: CPU: 0 PID: 3351 at lib/vsprintf.c:1941 set_precision+0x144/0x170 lib/vsprintf.c:1941 WARNING: CPU: 0 PID: 3351 at lib/vsprintf.c:1941 set_precision+0x144/0x170 lib/vsprintf.c:1941 precision 64656 too large[ 19.639983] Kernel panic - not syncing: [ 1 9 . 6 4 3 67 6 ] Op t i on ' [ 1 9 .7 0 9 3 1 3 ] C P U : 0 P ID : 33 51 C o mm : s yz - e x e c u t o r5 N ot t a i n t ed 4 . 9 .7 3- g f3 f 3 4 5 7 #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cd927728 ffffffff81d922b9 ffffffff83a46d00 ffff8801cd927800[ 19.757541] Option ' [ 1 9 .7 63 6 08 ] O pt i on ' ffffffff8142d741 0000000041b58ab3 ffffffff84189000 ffffffff8142d585 [] panic+0x1bc/0x3a8 kernel/panic.c:179 [] ? percpu_up_re[ 20 . 0 5 8 5 1 8 ] O pt i o n ' [ 20 . 1 2 48 9 7 ] [< f f f f f f ff 8 12 6 7 5 0d > ] ? v p r i n t k_ em i t + 0 x3 a d/ 0 x 75 0 [] __warn+0x1c[ 2 0. 1 70634] Option ' [ 2 0 . 2 3 25 34 ] [< f f f ff f f f 8 1 1 2 f 4e 4> ] w ar n _s l o w p at h_ f m t + 0 x c4 / 0 x 11 0 [] ? noop_coun[t 2 0. 2 80 4 44] Option ' [ 2 0 . 3 4 1 88 0 ] [ < f ff ff f ff 8 1 2 36 d4 1 > ] ? c h ec k_ u s ag e _ ba ck w ar d s+ 0 x 1 7 1 / 0 x 3 0 0 [] set_precision+0x144/0x170 lib/vsprintf.c:1941 [] vsnprintf+0x8ae/0x16d0 lib/vsprintf.c:2017 [] ? pointer+[0 2 0 . 39 05 6 3] Option ' [ 2 0 . 4 52 1 06 ] [ < ff f f f f f f 8 12 38 d 2 b> ] ? m a rk _ l o c k + 0x 9 9 b / 0x fd 0 [] vscnprintf+0x2d/0x60 lib/vsprintf.c:2147 [] vprintk_emit+0xf1/0x750 kernel/printk/printk.c:1847 [] vprintk+0x28/0x30 kernel/printk/printk.c:1913 [] vprintk_default+0x1d/0x30 kernel/printk/printk.c:1914 [] vprintk_func kernel/printk/internal.h:36 [inline] [] printk+0xb7/0xe2 kernel/printk/printk.c:1975 [] dns_resolver_preparse+0x743/0x810 net/dns_resolver/dns_key.c:130 [] key_create_or_update+0x35e/0xa60 security/keys/key.c:855 [] ? 0xffffffff810002b8 [] SYSC_add_key security/keys/keyctl.c:125 [inline] [] SyS_add_key+0x1b1/0x390 security/keys/keyctl.c:60 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..