[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [ 11.791323] restorecond (3039) used greatest stack depth: 16720 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 17.030831] audit: type=1400 audit(1514780957.164:6): avc: denied { map } for pid=3132 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 '10.128.0.20' (ECDSA) to the list of known hosts. [ 36.255895] audit: type=1400 audit(1514780976.389:7): avc: denied { map } for pid=3150 comm="syzkaller835319" path="/root/syzkaller835319809" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 36.311637] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 36.328111] audit: type=1326 audit(1514780976.425:8): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3156 comm="syzkaller835319" exe="/root/syzkaller835319809" sig=0 arch=c000003e syscall=202 compat=0 ip=0x448c49 code=0x7ffc0000 [ 36.353078] audit: type=1326 audit(1514780976.425:9): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3156 comm="syzkaller835319" exe="/root/syzkaller835319809" sig=0 arch=c000003e syscall=202 compat=0 ip=0x448c49 code=0x7ffc0000 [ 36.384395] audit: type=1326 audit(1514780976.426:10): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3154 comm="syzkaller835319" exe="/root/syzkaller835319809" sig=0 arch=c000003e syscall=202 compat=0 ip=0x448c49 code=0x7ffc0000 [ 36.462502] audit: type=1326 audit(1514780976.426:11): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3154 comm="syzkaller835319" exe="/root/syzkaller835319809" sig=0 arch=c000003e syscall=202 compat=0 ip=0x448c49 code=0x7ffc0000 [ 36.518846] audit: type=1326 audit(1514780976.426:12): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3152 comm="syzkaller835319" exe="/root/syzkaller835319809" sig=0 arch=c000003e syscall=202 compat=0 ip=0x448c49 code=0x7ffc0000 [ 36.587128] audit: type=1326 audit(1514780976.426:13): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3153 comm="syzkaller835319" exe="/root/syzkaller835319809" sig=0 arch=c000003e syscall=202 compat=0 ip=0x448c49 code=0x7ffc0000 [ 36.650293] audit: type=1326 audit(1514780976.426:14): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3152 comm="syzkaller835319" exe="/root/syzkaller835319809" sig=0 arch=c000003e syscall=202 compat=0 ip=0x448c49 code=0x7ffc0000 [ 36.680354] audit: type=1326 audit(1514780976.426:15): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3153 comm="syzkaller835319" exe="/root/syzkaller835319809" sig=0 arch=c000003e syscall=257 compat=0 ip=0x448c49 code=0x7ffc0000 [ 36.790467] audit: type=1326 audit(1514780976.427:16): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3153 comm="syzkaller835319" exe="/root/syzkaller835319809" sig=0 arch=c000003e syscall=202 compat=0 ip=0x448c49 code=0x7ffc0000 [ 40.273164] WARNING: CPU: 0 PID: 3192 at ./arch/x86/include/asm/fpu/internal.h:340 __switch_to+0x10bd/0x13c0 [ 40.283146] Kernel panic - not syncing: panic_on_warn set ... [ 40.283146] [ 40.290479] CPU: 0 PID: 3192 Comm: syzkaller835319 Not tainted 4.15.0-rc4-mm1+ #49 [ 40.298149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.307471] Call Trace: [ 41.361087] Shutting down cpus with NMI [ 41.365089] kasan: CONFIG_KASAN_INLINE enabled [ 41.365091] kasan: GPF could be caused by NULL-ptr deref or user [me m or41y .3ac65ce0s98s ] general protection fault: 0000 [#1] SMP KASAN [[ 4411..336655110066]] ((ffttrraaccee bbuuffffeerr emepmtpyty) [[ 4 411.3.36561511155] C]P UCP:U 1: P1I PDI:D 3:1 35175 7Co mCom: syzkaller835319 Not tainted 4.15.0-rc4-mm1+ #49 [[ 4411..336561513030] ] RIRPI:P: 0001001:0:nantaitivev_e_wrwiritte_ec_rc4r+40+0xx4/4/0x01x100 Engine/Google Compute Engine, BIOS Google 01/01/2011 [[ 4411..336655113377]] RRAXA:X: ddfffffffcfc00000000000000000000 RBRBX:X: 1 ff1ffffffffffffffcffff1c6ff9 169 RCX: 0000000000000001 [[ 4411..336655114422] ]R RBPB:P : fffffffffffffffffef7ef78fb8b3030 R 0R08:8: f ffffffffffffffffefe7f78cf82c82 R80 R90: 9f:f ffffffffffffffef7fef78cf68c8 6 8 [[ 4411..33665511448]8] R1R31:3 :0 0000000000000000000000000008866 RR1144:: ffffffff8888001c18cf81f16608008 0R R1155: : 1f1fffffffffffffffffccfff1f17d7d [[ 4411..336655115555]] CCSS:: 0001010 0D SD:S :0 0000000 EESS:: 00000000 CCRR00:: 0000000000000000880000550000333 3 00) knlGS:0000000000000000 [[ 4411..336655116622]] DDRR00:: 00000000000000000000000000000000 D RDR11:: 0 00000000000000000000000000000 00D R2D:R2 0: 0000000000000000000000000000000 [[ 4411..336655116666]] CCalall l TrTaraccee: : 000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [[ 4411..336655117766]] ssmmpp__ssttop_nmi_callback+0x45b/0x560 [[ 4411..336655119933]] ?? ppvvcclloocckk__rreeaadd__fflalgags+s0+0x1x16060//00x1x6106 0 /0x90 [[ 4411..336655221111]] ? ? trtarace_cera_wr_awo_utoputuptut__nmnimi_h_andler+0x120/0x120 [[ 4411..336655223311]] ?? pprriinnttkk__nnmmii__eenntteerr++00xxe5e5/0/x0x11440 [[ 4 41.13.63562524422] ] ddeeffaualutlt__dod_o_nnmmii+0+0x6xd6d/0/0x1x15500 ic+0x190/0x190 [ [ 4141..336655225555]] eenndd__rreeppeeaatt__nnmmii++00xx11aa/0x1e [[ 41 4.3165.326645]26 R4SP]: 0R0S1P8: :f0f01f8f8:f80ff1df28e805712db02e E57F2LAb0GS E: FL0A00G0S0: 0000020 0 0x021 c4/0xfa0 [[ 4 41.13.6356257127] 1R] DRX:D X:0 00000000000000000000000000004 0R4 SRIS: I:f ffff8ff80f188d021e5d273e8507 3R80D RI:D I:ff fffff88f8081d0b12d2b2c29c00 90 0 [[ 414.13.3665527267]6] R 1R01:0 :f fffff8f8f08180d21de52e7554785 4R81 1R: 01100: 0000000000000000000000000 R010200: Rff1f2f:e df0f0ff3ea5dc0a0e730a 5c ae70 [[ 441.13.3665252898]9] ?? nnaattiive_vequ_qeuueeude_dsp_ispni_lno_lcokc_ksl_oswlpoawtpha+t0xh1+0c4x/1c04x/0fxa0f a0 0000000000000003 [[ 414.1.33656529298]8 ] < /NMI > e _queued_spin_lock_slowpath+0x1c4/0xfa0 [[ 4411..336655330099]] ?? ___p_pvv_q_uqeueueude_ds_pspinin_l_locockk__sslloowwppath+0x1480/0x1480 [[ 4411..336655332211]] ?? sseelleecctt__ttaasks_k_rrqq__ffaaiirr++00xxaaaa00//0x2770 [[ 4411..336655333322]] ?? lloocckk__rreelleeaassee++00xxaa4400//00xxaa4400 0 [[ 4411..336655334466]] ? ?s eslelecetc_t_ttasaks_k_rqr_q_fafiari+r0+0xxaabfbf//0x2770 [[ 4411..336655335599]] ?? lloocckk__aaccqquuiirre+e0+x01xd15d/5/00xx558800 [ [ 4141..336655337711]] ? l?o clokc_rke_lreaelsee+as0xea+400xa/400xa/040x a4 00 0 [[ 4411..336655338855]] __rawra_swp_sinpi_lno_clokc+k+00xx3322//00x4x040 220 [[ 4411..336655339944]] ttrryy__tto_ow_waakek_eu_pu+p0x+a02xa29/90/0xx11606000 0 [[ 4 141.3.6356454005]5 ] ? ? mimigrgarte_astewa_spw_satpo_ps+0txop97+00/x097x097/00x970 [[ 414.3165.4361574] 1 7?] f ?ut fex_wuatkeex+0_xw5ak66/0ex+06x805 6 6/d00 x 680 [[ 4411..336655442277]] ?? lloocckk__rreelleeasase+e0+x0xaa404/00/x0xaa4400 0 [[ 4411..3366545348]38 ]? ?__ _u_nuqnuqeuueeu_efu_tfuext+0exx+029x0/290x029/00x 2910 90 [ [ 41 4.316.5434965]4 49f]ut exfu_tweakxe+_0xw5a7ke2/+00xx6572/0x680 [[ 4411..336655446622]] ?? ____sscchheedduullee++00xx88ff33//00xx22006600 d50 [[ 4411..336655447744]] ?? hhrrttiimmeerr_s_tstaratrt__rranangege_n_ns+s0+x06x8678/07xec0 [[ 4411..33665544858] 5] ? h?r thirmteirm_efro_frowarwrad+0rdx2+d00x2/0dx02d0 [[ 4411..336655449955]] ?? ddoo__rraaww_s_psipni_nt_trrylyolcokc+k0+0xx119900//00xx190 [[ 4411..336655550055]] ?? ffiinndd__hheelldd__llocokck+0+0xx335/05/x01xd1d0 0 40 [[ 4 41.13.63565551818] ] ? l? olcokc_dk_odwowngnrgraadde+e0+x0x99808/0/00x9x980 [[ 441.1.336565553311]] ?? ddoo__rraaww__spspiinn__ttrryylloocckk++00xx119900/0x190 [[ 4411..33665555441]1 ] ? ?t rtacrea_ce_hhaarrddiirqrqss__oonn__ccalallleerr++0x0x442211//0x05x5c0c0 [[ 4411..33665555552]2] ? ? frferee_eo_bobjjeecctt+0+x0x15015/0x02/300x2 301 0 [ [4 1 .3461.55366155]6 1 ?] _ r?a _w_rsawpi_n_supinnlo_cunk_liocrqk_reisrtqorerestore+0x31/0xba [[ 4411..336655557744]] ?? ddeebbuugg__obojbjeecctt_f_frreeee+0+0x2x2ff11//0x0x55aa0 0 /0x5c0 [[ 4411..336655558855]] ?? mmeemmsseett++00xx3311//0x0x4040 r oy+0x2b0/0x2b0 [[ 4411..33665555998]8] ? ? nnaannoosslleeeepp__ccooppyyooutut+0+0xx10100/00x/010x100 0 [[ 4411..33665560609]9 ] ? ? d odo__ffutuetex+x0+0xx222a20a/00/x0x2222a0 [ [ 4 14.136.53662560]20 ]? ?t rtacreac_hea_rdhiarrqdirsq_son__ocna_lcallelre+0rx+042x14/210/x50xc5c0 [[ 4411..336655663333]] eennttrryy__SSYYSSCCAALLLL__6644__ffaassttppaatthh++0x01x1f/f/00xx9696 [[ 441.1.363655636838]] R RSPS:P: 0 0020b:20b:000000077ffffe6e69962098 EFLAGS: 00000202 ORIG_RAX: 00000000000000ca [[ 4411..336655664455]] RRDDXX:: 00000000000000000000444477443311 RRSISI: :0 000000000000000000000000000001 1R RDDII:: 0000000000000000000066ddeedd22cc [[ 4411.3.6356565650]0 R]1 0:R 1000:00 00000000000000000000c0020 R0c112: R 01100: 0000000000000000000200200 R01220: 2 0R01020:0 00000000060d0e00ce04 0 6dece4 [[ 4411..336655665599]] CCooddee:: 00ff 11ff 8 080 0000 0 000 0 000 000 0 555 458 4889 8 e95 e 05 f 0f2 0 2d0 8 d85d 5 dc3 c 03f 0 f1f 18f0 8 000 00 00 00 00 55 48 89 e5 0f 22 df 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 <0f> 22 e7 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 44 0f 20 c0 5d [[ 414.13.7367617187]8 ] DDuummppiinngg f tftrarcaece b ubuffffeer:r : x4/0x10 RSP: fffffffffe7f8b30 [[ 4411..373766181844] ]K Keernrelne lO fOfsffets:e t:di dsaibsalbedl ed [ 41.927193] Rebooting in 86400 seconds.. [ 41.927196] ---[ end trace 2d2aa5997809e25d ]---