[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.158' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 27.902018] audit: type=1804 audit(1652336850.520:2): pid=7992 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor400" name="/root/bus" dev="sda1" ino=13861 res=1 [ 27.920896] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 27.972892] FAULT_INJECTION: forcing a failure. [ 27.972892] name failslab, interval 1, probability 0, space 0, times 1 [ 27.984170] CPU: 0 PID: 7992 Comm: syz-executor400 Not tainted 4.14.277-syzkaller #0 [ 27.992040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.001376] Call Trace: [ 28.003944] dump_stack+0x1b2/0x281 [ 28.007561] should_fail.cold+0x10a/0x149 [ 28.011708] should_failslab+0xd6/0x130 [ 28.015668] __kmalloc+0x2c1/0x400 [ 28.019193] ? tls_push_record+0xfa/0x1270 [ 28.023414] tls_push_record+0xfa/0x1270 [ 28.027464] tls_sw_sendpage+0x760/0xb50 [ 28.031507] ? tls_sw_sendmsg+0xfd0/0xfd0 [ 28.035637] inet_sendpage+0x155/0x590 [ 28.039505] ? tls_sw_sendmsg+0xfd0/0xfd0 [ 28.043642] ? current_kernel_time64+0x154/0x230 [ 28.048383] ? inet_getname+0x3a0/0x3a0 [ 28.052335] sock_sendpage+0xdf/0x140 [ 28.056126] pipe_to_sendpage+0x226/0x2d0 [ 28.060264] ? sockfs_setattr+0x140/0x140 [ 28.064399] ? direct_splice_actor+0x160/0x160 [ 28.068969] __splice_from_pipe+0x326/0x7a0 [ 28.073272] ? direct_splice_actor+0x160/0x160 [ 28.077841] generic_splice_sendpage+0xc1/0x110 [ 28.082499] ? vmsplice_to_user+0x1b0/0x1b0 [ 28.086818] ? rw_verify_area+0xe1/0x2a0 [ 28.090868] ? vmsplice_to_user+0x1b0/0x1b0 [ 28.095180] direct_splice_actor+0x115/0x160 [ 28.099572] splice_direct_to_actor+0x27c/0x730 [ 28.104231] ? generic_pipe_buf_nosteal+0x10/0x10 [ 28.109067] ? do_splice_to+0x140/0x140 [ 28.113033] ? rw_verify_area+0xe1/0x2a0 [ 28.117085] do_splice_direct+0x164/0x210 [ 28.121223] ? splice_direct_to_actor+0x730/0x730 [ 28.126063] ? rw_verify_area+0xe1/0x2a0 [ 28.130115] do_sendfile+0x47f/0xb30 [ 28.133824] ? do_compat_writev+0x180/0x180 [ 28.138140] SyS_sendfile64+0xff/0x110 [ 28.142020] ? SyS_sendfile+0x130/0x130 [ 28.145987] ? do_syscall_64+0x4c/0x640 [ 28.149952] ? SyS_sendfile+0x130/0x130 [ 28.153919] do_syscall_64+0x1d5/0x640 [ 28.157802] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 28.162977] RIP: 0033:0x7f4fc03e9e99 [ 28.166679] RSP: 002b:00007f4fc037a2e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 28.174378] RAX: ffffffffffffffda RBX: 00007f4fc04734f0 RCX: 00007f4fc03e9e99 [ 28.181630] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000007 [ 28.188885] RBP: 00007f4fc0440194 R08: 0000000000000001 R09: 0000000000000034 [ 28.196132] R10: 0000800100022007 R11: 0000000000000246 R12: 00007f4fc04734fc [ 28.203383] R13: 00007f4fc037a2f0 R14: 00007f4fc04734f8 R15: 0000000000000001 [ 28.292091] kasan: CONFIG_KASAN_INLINE enabled [ 28.296697] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 28.304091] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 28.310308] Modules linked in: [ 28.313487] CPU: 0 PID: 7992 Comm: syz-executor400 Not tainted 4.14.277-syzkaller #0 [ 28.321341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.330668] task: ffff888097ad6380 task.stack: ffff888095a88000 [ 28.336700] RIP: 0010:scatterwalk_copychunks+0x4a3/0x680 [ 28.342118] RSP: 0018:ffff888095a8f520 EFLAGS: 00010202 [ 28.347450] RAX: dffffc0000000000 RBX: 000000000000401d RCX: 0000000000000000 [ 28.354691] RDX: 0000000000000002 RSI: ffff888095a2435d RDI: ffff888096b96598 [ 28.361935] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed10143ce803 [ 28.369176] R10: ffff8880a1e7401c R11: 0000000000000000 R12: 000000000000401d [ 28.376417] R13: ffff888095a8f5d8 R14: 0000000000001000 R15: ffff888096b965a4 [ 28.383662] FS: 00007f4fc037a700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 28.391868] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.397734] CR2: 00007f4fc042b040 CR3: 00000000b5246000 CR4: 00000000003406f0 [ 28.404978] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.412221] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.419463] Call Trace: [ 28.422031] scatterwalk_map_and_copy+0x100/0x1a0 [ 28.426847] ? scatterwalk_ffwd+0x420/0x420 [ 28.431141] ? aesni_gcm_enc_avx2+0x155/0x170 [ 28.435608] ? kernel_fpu_end+0xf4/0x140 [ 28.439645] ? kernel_fpu_enable+0x30/0x30 [ 28.443852] gcmaes_encrypt.constprop.0+0x6cd/0xc00 [ 28.448841] ? generic_gcmaes_encrypt+0xf4/0x130 [ 28.453567] ? helper_rfc4106_encrypt+0x2b0/0x2b0 [ 28.458382] ? tls_push_record+0xfa/0x1270 [ 28.462608] ? cryptd_aead_child+0x9/0x40 [ 28.466733] ? tls_push_record+0x938/0x1270 [ 28.471044] ? tls_sw_sendpage+0x760/0xb50 [ 28.475254] ? tls_sw_sendmsg+0xfd0/0xfd0 [ 28.479375] ? inet_sendpage+0x155/0x590 [ 28.483406] ? tls_sw_sendmsg+0xfd0/0xfd0 [ 28.487527] ? current_kernel_time64+0x154/0x230 [ 28.492254] ? inet_getname+0x3a0/0x3a0 [ 28.496199] ? sock_sendpage+0xdf/0x140 [ 28.500149] ? pipe_to_sendpage+0x226/0x2d0 [ 28.504449] ? sockfs_setattr+0x140/0x140 [ 28.508575] ? direct_splice_actor+0x160/0x160 [ 28.513138] ? __splice_from_pipe+0x326/0x7a0 [ 28.517608] ? direct_splice_actor+0x160/0x160 [ 28.522165] ? generic_splice_sendpage+0xc1/0x110 [ 28.526977] ? vmsplice_to_user+0x1b0/0x1b0 [ 28.531273] ? rw_verify_area+0xe1/0x2a0 [ 28.535303] ? vmsplice_to_user+0x1b0/0x1b0 [ 28.539601] ? direct_splice_actor+0x115/0x160 [ 28.544156] ? splice_direct_to_actor+0x27c/0x730 [ 28.548968] ? generic_pipe_buf_nosteal+0x10/0x10 [ 28.553783] ? do_splice_to+0x140/0x140 [ 28.557731] ? rw_verify_area+0xe1/0x2a0 [ 28.561766] ? do_splice_direct+0x164/0x210 [ 28.566066] ? splice_direct_to_actor+0x730/0x730 [ 28.570880] ? rw_verify_area+0xe1/0x2a0 [ 28.574914] ? do_sendfile+0x47f/0xb30 [ 28.578777] ? do_compat_writev+0x180/0x180 [ 28.583074] ? SyS_sendfile64+0xff/0x110 [ 28.587106] ? SyS_sendfile+0x130/0x130 [ 28.591051] ? do_syscall_64+0x4c/0x640 [ 28.594995] ? SyS_sendfile+0x130/0x130 [ 28.598937] ? do_syscall_64+0x1d5/0x640 [ 28.602973] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 28.608305] Code: fc ff df 80 3c 02 00 0f 85 d9 01 00 00 48 8d 45 10 49 89 6d 00 48 89 c2 48 89 44 24 18 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 81 01 00 00 48 b8 00 00 00 [ 28.627361] RIP: scatterwalk_copychunks+0x4a3/0x680 RSP: ffff888095a8f520 [ 28.634540] ---[ end trace 09c774b951daab77 ]--- [ 28.639277] Kernel panic - not syncing: Fatal exception [ 28.644787] Kernel Offset: disabled [ 28.648391] Rebooting in 86400 seconds..