[....] Starting enhanced syslogd: rsyslogd[ 6.030691] audit: type=1400 audit(1513492264.931:5): avc: denied { syslog } for pid=2963 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. 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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 14.467929] audit: type=1400 audit(1513492273.368:6): avc: denied { map } for pid=3100 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 'ci-upstream-next-kasan-gce-4,10.128.15.236' (ECDSA) to the list of known hosts. [ 20.309077] audit: type=1400 audit(1513492279.209:7): avc: denied { map } for pid=3114 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2017/12/17 06:31:19 parsed 1 programs 2017/12/17 06:31:19 executed programs: 0 [ 20.770625] audit: type=1400 audit(1513492279.671:8): avc: denied { map } for pid=3114 comm="syz-execprog" path="/root/syzkaller-shm696167722" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 20.813092] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu result: failed=false hanged=false err=executor 3: failed: invalid command number 13622315181289262 (errno 110) child failed (errno 1) loop failed (errno 0) invalid command number 13622315181289262 (errno 110) child failed (errno 1) loop failed (errno 0) [ 22.404478] general protection fault: 0000 [#1] SMP [ 22.409508] Dumping ftrace buffer: [ 22.413010] (ftrace buffer empty) [ 22.416683] Modules linked in: [ 22.419842] CPU: 1 PID: 74 Comm: kworker/u4:2 Not tainted 4.15.0-rc3-next-20171214+ #67 [ 22.427943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.437269] Workqueue: netns cleanup_net [ 22.441298] RIP: 0010:native_write_cr4+0x4/0x10 [ 22.445927] RSP: 0018:ffff88021fd03f20 EFLAGS: 00010006 [ 22.451256] RAX: ffff880216afa180 RBX: 00000000001606e0 RCX: ffffffff8108d968 [ 22.458492] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 00000000001606e0 [ 22.465728] RBP: ffff88021fd03f20 R08: 0000000000000001 R09: 0000000000000002 [ 22.472963] R10: ffffc90000d97ce8 R11: 0000000000000002 R12: 0000000000000006 [ 22.480196] R13: ffff880216afa180 R14: ffffffff81026eb0 R15: 0000000000000000 [ 22.487431] FS: 0000000000000000(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 [ 22.495620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.501465] CR2: 00007eff0c3b8000 CR3: 000000000301e001 CR4: 00000000001626e0 [ 22.508701] Call Trace: [ 22.511252] [ 22.513383] hardware_disable+0x1a0/0x210 [ 22.517496] ? kvm_io_bus_get_dev+0x150/0x150 [ 22.521955] kvm_arch_hardware_disable+0x14/0x50 [ 22.526675] hardware_disable_nolock+0x30/0x40 [ 22.531221] flush_smp_call_function_queue+0x95/0x1e0 [ 22.536389] generic_smp_call_function_single_interrupt+0x13/0x30 [ 22.542587] smp_call_function_single_interrupt+0x42/0x240 [ 22.548173] call_function_single_interrupt+0xa9/0xb0 [ 22.553325] [ 22.555529] RIP: 0010:lock_acquire+0xea/0x220 [ 22.559995] RSP: 0018:ffffc90000d97d08 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff04 [ 22.567663] RAX: ffff880216afa180 RBX: 0000000000000000 RCX: 0000000009b6b798 [ 22.574900] RDX: 000000002b752913 RSI: 000000000acd6ea2 RDI: 0000000000000286 [ 22.582133] RBP: ffffc90000d97d48 R08: 0000000000000001 R09: 0000000000000002 [ 22.589368] R10: ffffc90000d97ce8 R11: 0000000000000002 R12: 0000000000000000 [ 22.596603] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 [ 22.603850] ? inet_twsk_purge+0x12a/0x300 [ 22.608048] inet_twsk_purge+0x170/0x300 [ 22.612072] ? inet_twsk_purge+0x12a/0x300 [ 22.616273] ? dccp_v6_send_check+0xf0/0xf0 [ 22.620560] ? dccp_v6_exit_batch+0x20/0x20 [ 22.624850] dccp_v6_exit_batch+0x1a/0x20 [ 22.628964] ops_exit_list.isra.6+0x70/0x80 [ 22.633251] cleanup_net+0x210/0x350 [ 22.636931] process_one_work+0x288/0x7a0 [ 22.641047] worker_thread+0x43/0x4d0 [ 22.644815] kthread+0x149/0x170 [ 22.648147] ? process_one_work+0x7a0/0x7a0 [ 22.652433] ? kthread_delayed_work_timer_fn+0xe0/0xe0 [ 22.657675] ? umh_complete+0x70/0x70 [ 22.661441] ? call_usermodehelper_exec_async+0x15b/0x190 [ 22.666943] ret_from_fork+0x24/0x30 [ 22.670626] Code: 0f 1f 80 00 00 00 00 55 48 89 e5 0f 20 d8 5d c3 0f 1f 80 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 [ 22.689675] RIP: native_write_cr4+0x4/0x10 RSP: ffff88021fd03f20 [ 22.695787] ---[ end trace 1f640768bdee6d1b ]--- [ 22.700509] Kernel panic - not syncing: Fatal exception in interrupt [ 22.706987] general protection fault: 0000 [#2] SMP [ 22.711985] Dumping ftrace buffer: [ 22.715496] (ftrace buffer empty) [ 22.719173] Modules linked in: [ 22.722335] CPU: 0 PID: 3789 Comm: syz-executor2 Tainted: G D 4.15.0-rc3-next-20171214+ #67 [ 22.732002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.741326] RIP: 0010:native_write_cr4+0x4/0x10 [ 22.745960] RSP: 0018:ffff88021fc03fb8 EFLAGS: 00010082 [ 22.751287] RAX: 00000000001626f0 RBX: 0000000000000086 RCX: 00000000fefa3223 [ 22.758522] RDX: 00000000001606f0 RSI: 0000000000000000 RDI: 00000000001606f0 [ 22.765759] RBP: ffff88021fc03fb8 R08: 0000000000000000 R09: ffff88021fc03fdc [ 22.773035] R10: ffffc9000291bb30 R11: 0000000000000004 R12: 0000000000000001 [ 22.780274] R13: ffffffff81026eb0 R14: 0000000000000000 R15: 0000000000000040 [ 22.787511] FS: 00007f43cf4c2700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 [ 22.795704] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.801552] CR2: 0000000020cc0f28 CR3: 000000000301e003 CR4: 00000000001626f0 [ 22.808787] Call Trace: [ 22.811338] [ 22.813461] smp_reboot_interrupt+0xe2/0x180 [ 22.817834] ? smp_call_function_single+0xe8/0x170 [ 22.822729] reboot_interrupt+0xa9/0xb0 [ 22.826665] [ 22.828878] RIP: 0010:smp_call_function_single+0xea/0x170 [ 22.834382] RSP: 0018:ffffc9000291bac0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff07 [ 22.842054] RAX: ffff88020f9042c0 RBX: 0000000000000000 RCX: ffffffff8127b3f8 [ 22.849289] RDX: 0000000000000000 RSI: 00000000000000fb RDI: 0000000000000830 [ 22.856524] RBP: ffffc9000291bb10 R08: 0000000000000001 R09: 0000000000000004 [ 22.863759] R10: ffffc9000291bb30 R11: 0000000000000004 R12: 0000000000000001 [ 22.870995] R13: ffffffff81026eb0 R14: 0000000000000000 R15: 0000000000000040 [ 22.878234] ? kvm_io_bus_get_dev+0x150/0x150 [ 22.882694] ? smp_call_function_single+0xe8/0x170 [ 22.887589] ? kvm_io_bus_get_dev+0x150/0x150 [ 22.892049] smp_call_function_many+0x2b5/0x2e0 [ 22.896685] ? smp_call_function_many+0x2b5/0x2e0 [ 22.901492] ? lock_acquire+0xbf/0x220 [ 22.905349] ? kvm_io_bus_get_dev+0x150/0x150 [ 22.909809] ? kvm_io_bus_get_dev+0x150/0x150 [ 22.914268] on_each_cpu+0x3d/0x110 [ 22.917860] hardware_disable_all_nolock+0x3e/0x50 [ 22.922758] kvm_put_kvm+0x349/0x4a0 [ 22.926444] ? kvm_put_kvm+0x4a0/0x4a0 [ 22.930301] kvm_vm_release+0x24/0x30 [ 22.934071] __fput+0x120/0x270 [ 22.937317] ____fput+0x15/0x20 [ 22.940564] task_work_run+0xa3/0xe0 [ 22.944245] do_exit+0x3e6/0x1050 [ 22.947665] ? find_held_lock+0x35/0xa0 [ 22.951605] ? get_signal+0x3c7/0xad0 [ 22.955373] do_group_exit+0x60/0x100 [ 22.959140] get_signal+0x36c/0xad0 [ 22.962737] do_signal+0x23/0x670 [ 22.966166] ? do_futex+0x2e0/0xe80 [ 22.969763] ? debug_lockdep_rcu_enabled+0x1d/0x30 [ 22.974664] ? do_vfs_ioctl+0x250/0x840 [ 22.978612] exit_to_usermode_loop+0x13c/0x160 [ 22.983158] syscall_return_slowpath+0x1b4/0x1e0 [ 22.987881] entry_SYSCALL_64_fastpath+0x94/0x96 [ 22.992600] RIP: 0033:0x452a39 [ 22.995758] RSP: 002b:00007f43cf4c1ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 23.003431] RAX: fffffffffffffe00 RBX: 0000000000758100 RCX: 0000000000452a39 [ 23.010667] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000758100 [ 23.017905] RBP: 0000000000758100 R08: 0000000000000000 R09: 00000000007580d8 [ 23.025139] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 23.032378] R13: 00007ffe43d1956f R14: 00007f43cf4c29c0 R15: 0000000000000002 [ 23.039625] Code: 0f 1f 80 00 00 00 00 55 48 89 e5 0f 20 d8 5d c3 0f 1f 80 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 [ 23.058707] RIP: native_write_cr4+0x4/0x10 RSP: ffff88021fc03fb8 [ 23.064816] ---[ end trace 1f640768bdee6d1c ]--- [ 23.766915] Shutting down cpus with NMI [ 23.770924] invalid opcode: 0000 [#3] SMP [ 23.770928] Dumping ftrace buffer: [ 23.770930] (ftrace buffer e[mp ty )2 3 .770931] Modules linked in: [[ 2233..777700994400]] HHaarrddwwaarree nnaammee:: GGooooggllee GGooooggllee CCoommppuuttee EEnnggiinen/eG/oGoogogllee CComopmuptuet eE ngEinngien,e B, IBOSIO SG oGoogogllee 0 011/0/011/2/0201111 # 67 [[ 2 323.7.7770095905]0] RRSSPP: : 0000118:8:fffffffffffffffffef5e50505ee181 8E FEFLLAAGSGS: : 0000001100000202 [[ 2233..777700995555]] RRDDXX:: 000000000000000011ff88bbffbbffff RRSSII:: ffffffffffffffffffe5e50505e24e 24RD I:R DIf:ff ffffffffffffef5f0f5ee2050 5e20 [ [ 2 32.737.709705995] 9R]1 0R:10 0:0 000000000000000000000000000101 R 1R11:1: f fffffff8888002200ff99004422cc00 RR1122:: ffffffffffffffff88330044aeae8080 [[ 223.37.7707909656]5 ] FSF:S : 0 000000707f4f43c3cf4fc4c27207000((0000000)0 )G GSS::ffffffff8888020121fcfc0000000000((00000000)) knklnlGGS:S:0000000000000000000000 [[ 223.37.7770096996] 9CR] 2C:R 020:0 00000000000200c02c00fc2c80 f2C8R3 C:R 300:0 000000000000300001e30010e3 00C3R 4C:R 04: 00000000001626f0 [[ 2233..777709097755]] I> ace: [[ 2233..777700998866]] ddeeffaauulltt__ddoo__nnmmii++00xx44ee//00xx100 [ [ 2 233.7.77079099595]] enendd__rrepepeaeat_t_nnmmii++00x1xa1a/0x1e [[ 223.37.7717010002]2 ] RSRSPP: : 00010818::ffffffff8880820121ffcc030d3fd8f8 E FEFLLAGAGSS:: 000000000006 [[ 2233..777711000066]] RRDDXX:: 0000000000000000000000110000000 0R SRSII: : 00000000000000000000000000000101 RDRDII:: f fffffffffffffff81811c12c26b6b4 4 [[ 2233..777711001100]] RR1100:: ffffffff8888002211ffcc0033ee8888 RR1111:: 00000000000000000000000000000000 RR1122:: ffffffffffffffff8822ee337788ccdd [[ 2233..777711001199]] ?? kkmmssgg__dduummpp++00xx22bb//00xx22aa00 4: 0000000000000000 R15: 0000000000000040 [[ 2233.7.77170120266]] ? ?p paanincic++0x05xc5c/0/x02x2f8f 8 o p+0x9/0x60 [[ 2233..777711003434] ] ? ? p apnaincic_s_smpm_p_sesleflf_s_sttopop++0x0bx/b/0x0x6060 [[ 2233..777711003366]] <> [[ 2233..777711004433]] ?? kkmmssgg__dduummpp++00xx1e1beb/0x2a0 [[ 232.3.777171050050] ] ooopops_s_eendnd+0+x0xdd2/20/x0xee00 2 a0 [[ 2233..777711006600]] ddoo__ggeenneerraall__pprrootection+0x17e/0x1c0 [[ 2233..777711006699]] ggeenneerraall__pprrootteeccttiioonn++00xx22cc//00xx6600 150 [[ 2233..777711007777]] RRSSPP:: 00001188::ffffffff8888002211ffcc0033ffbb88 EEFFLLAAGGSS:: 000010082 [ [ 2 32.737.71071820]82 R] DXR:DX 0:0 0000000000000000100601660f06 f0R SRIS: I:00 00000000000000000000000000000 R0 DIR:DI: 0 000000000000000000016106066f0f 0 [ [ 2233.7.77710108585] ]R R101:0: f ffffffcf9c0900000292911bbbb303 0R R1111:: 00000000000000000000000000000404 R 1R12:2 :0 0000000000000000000000000000101 [ [ 232.3.777710190191]] ?? kvkmv_m_iio_o_bubuss_g_egett__dedev+v0+x01x51050//00x1x51050 0 0 0000000 R15: 0000000000000040 [[ 2233..777711110011]] ssmmpp__rreebboooott__iinntteerrrruupptt++00xxee22//00xx11880 [[ 223.3.777171101909] ] r reebboootot__iintneterrruruptpt+0+x0ax9a9//00xxbb00 0xe8/0x170 [[ 2233..777711111144]] RRIIPP:: 0000110:smp_call_function_single+0xea/0x170 [[ 2233..777711111199]] RRAAXX:: ffffffff8880802020f9f900424c2c0 0 RBRXB:X :0 0000000000000000000000000000000 R RCXC:X: f fffffffffffffff8182172b7b33f8f8 ff07 [ [ 2 23.3.777171121323] ]R RBPB:P :f ffffffcfc90900000292191bbb1b10 0 R0R80:8 :0 0000000000000000000000000000011 RR0909: :0 0000000000000000000000000000404 [[ 2233..777711112266]] RR1133:: ffffffffffffffff8811002266eebb00 RR1144:: 000000000000000000000000000000 00R 1R51: 50: 000000000000000000000000004004 0 [ [ 2 32.737.711713413]4 ] ? s?m psm_pca_lclal_fl_unfcutnciton_iosin_nsglieng+l0xee+80x/0e8/0x170 [[ 2 233.7.7717111434]3 ] s smpmp_c_aclalll__fufnunccttioionn_m_maanyn+y+0x02x2b5b/50/0xx2e2e0 [ [ 23 2.737.711751015] 0] ? ?l olckoc_ka_caqcuiqurie+r0ex+b0fx/bf0x/022x20 20 x 2b5/0x2e0 [[ 2233..777711115577]] ?? kkvvmm__iioo__bbuuss__ggeett__ddeevv++00xx115500//00xx115500 [ [ 2323..777711116644] ] h aharrdwdwaraere_d_diisasbabllee__alall_l_nnoolock+0x3e/0x50 [[ 2233..777711117711]] ?? kkvvmm__ppuutt__kkvvmm++00xx44aa00//00xx44aa0 [ [ 2 233.7.7717118181]1 ] _ ___fpfputu+0t+x10x210/200x/20x7027 0 / 0x30 [[ 2233..777711119900]] ttaasskk__wwoorrk_k_rrunu+n0+x0ax3a3/0/xe0 [ [ 2233..777711119999] ] ? ?f finidn_d_hehledld__llocok+c0k+x305x35/0xa0 [[ 2233..777711220088]] ddoo__ggrroouupp__eexxiitt++00xx6600//00xx110000 [[ 2233..777711221188]] ddoo__ssiiggnnaall++00xx2233//00xx667700 0 [[ 2233..777711222299]] ?? ddeebbuugg__lloocckkddeepp__rrccuu__eennaabled+0x1d/0x30 [[ 2233..777711224411]] eexxiitt__ttoo__uusseerrmmooddee__lloooopp++00xx1133cc/0x160 [ [ 2 323..771249] 7 7e1n24tr9]y_ SeYnStCArLyL__S6Y4SC_fALaLs_t6p4a_ftah+s0txp94at/h0x+09x6 9 4/0x96 [[ 2233..77717125254]4] RRSPSP: :0 0002b2:b:0000000077f4f433cfc4c1ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [[ 2233..777711225599]] RRDDXX:: 00000000000000000000000000000000 RRSSII:: 00000000000000000000000000000000 RRDDII:: 00000000000000000000775588110000 [[ 2233..777711226622]] RR1100:: 00000000000000000000000000000000 RR1111:: 00000000000000000000000000224466 RR1122:: 00000000000000000000000000000000 [[ 2233..777711226688]] CCooddee:: 8d8d 4d4 d f4f 4 ee8 845 405 7 0701 0010 0 606 6 960 9 f60 f465 4f05 2f00 7204 0748 00f8 200f e 020 f e6 0 f6 c4 20 75 13 31 ff e8 ce fb fd ff 48 83 c4 18 b8 01 00 00 00 5b 5d c3 <0f> 01 c4 48 83 3d e7 a0 f5 01 00 0f 84 c5 00 00 00 9c 58 0f 1f [[ 2233..787811887700]] D uDummppinigng ftftrarcaec e bubuffffere:r : ack+0x6e/0x170 RSP: fffffffffe505e18 [[ 2233.7.78181887474]] K eKrenrneel l OOfffsfseett: : didsiasbablelde d [ 24.302527] Rebooting in 86400 seconds.. [ 24.302529] ---[ end trace 1f640768bdee6d1d ]---