[ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.23' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 33.201083] audit: type=1804 audit(1655321047.168:2): pid=8078 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor428" name="/root/bus" dev="sda1" ino=13861 res=1 [ 33.221306] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 33.278824] FAULT_INJECTION: forcing a failure. [ 33.278824] name failslab, interval 1, probability 0, space 0, times 1 [ 33.290239] CPU: 0 PID: 8078 Comm: syz-executor428 Not tainted 4.19.211-syzkaller #0 [ 33.298136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.307472] Call Trace: [ 33.310045] dump_stack+0x1fc/0x2ef [ 33.313655] should_fail.cold+0xa/0xf [ 33.317440] ? setup_fault_attr+0x200/0x200 [ 33.321743] ? lock_acquire+0x170/0x3c0 [ 33.325699] __should_failslab+0x115/0x180 [ 33.329917] should_failslab+0x5/0x10 [ 33.333698] __kmalloc+0x2ab/0x3c0 [ 33.337220] ? tls_push_record+0xff/0x1370 [ 33.341436] tls_push_record+0xff/0x1370 [ 33.345480] ? sk_alloc_sg+0x5d8/0x850 [ 33.349353] tls_sw_sendpage+0x8c6/0xd00 [ 33.353400] ? tls_sw_sendmsg+0x1210/0x1210 [ 33.357702] ? ktime_get_coarse_real_ts64+0x1c7/0x290 [ 33.362885] ? tls_sw_sendmsg+0x1210/0x1210 [ 33.367193] inet_sendpage+0x164/0x650 [ 33.371091] ? current_time+0x13c/0x1c0 [ 33.375057] ? inet_accept+0x770/0x770 [ 33.378960] sock_sendpage+0xdf/0x140 [ 33.382768] pipe_to_sendpage+0x268/0x330 [ 33.386909] ? sockfs_setattr+0x160/0x160 [ 33.391043] ? direct_splice_actor+0x160/0x160 [ 33.395608] ? splice_from_pipe_next.part.0+0x2ad/0x360 [ 33.401058] __splice_from_pipe+0x389/0x800 [ 33.405368] ? direct_splice_actor+0x160/0x160 [ 33.409934] generic_splice_sendpage+0xd4/0x140 [ 33.414583] ? __splice_from_pipe+0x800/0x800 [ 33.419064] ? security_file_permission+0x1c0/0x220 [ 33.424076] ? __splice_from_pipe+0x800/0x800 [ 33.428565] direct_splice_actor+0x115/0x160 [ 33.432973] splice_direct_to_actor+0x33f/0x8d0 [ 33.437633] ? generic_pipe_buf_nosteal+0x10/0x10 [ 33.442478] ? do_splice_to+0x160/0x160 [ 33.446441] do_splice_direct+0x1a7/0x270 [ 33.450573] ? splice_direct_to_actor+0x8d0/0x8d0 [ 33.455403] ? security_file_permission+0x1c0/0x220 [ 33.460406] do_sendfile+0x550/0xc30 [ 33.464104] ? do_compat_pwritev64+0x1b0/0x1b0 [ 33.468667] ? vfs_write+0x393/0x540 [ 33.472365] __se_sys_sendfile64+0x147/0x160 [ 33.476771] ? __se_sys_sendfile+0x180/0x180 [ 33.481197] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 33.486572] ? trace_hardirqs_off_caller+0x6e/0x210 [ 33.491573] ? do_syscall_64+0x21/0x620 [ 33.495554] do_syscall_64+0xf9/0x620 [ 33.499340] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.504515] RIP: 0033:0x7f8fcbc962c9 [ 33.508227] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 33.527198] RSP: 002b:00007fff119c8088 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 33.534900] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8fcbc962c9 [ 33.542152] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000007 [ 33.549403] RBP: 00007fff119c80a0 R08: 0000000000000002 R09: 0000000000000001 [ 33.556652] R10: 0000800100022007 R11: 0000000000000246 R12: 0000000000000008 [ 33.563902] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 33.705099] kasan: CONFIG_KASAN_INLINE enabled [ 33.709783] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 33.719260] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 33.725490] CPU: 0 PID: 8078 Comm: syz-executor428 Not tainted 4.19.211-syzkaller #0 [ 33.733362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.742846] RIP: 0010:scatterwalk_copychunks+0x4db/0x6a0 [ 33.748278] Code: ff df 80 3c 02 00 0f 85 98 01 00 00 49 8d 44 24 08 4d 89 26 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 9f 01 00 00 48 b8 00 00 00 00 [ 33.767159] RSP: 0018:ffff8880959bf238 EFLAGS: 00010202 [ 33.772503] RAX: dffffc0000000000 RBX: 000000000000401d RCX: ffffffff83739e13 [ 33.779852] RDX: 0000000000000001 RSI: ffffffff83739e63 RDI: 0000000000000007 [ 33.787103] RBP: 000000000000401d R08: 0000000000000001 R09: 0000000000000000 [ 33.794350] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000 [ 33.801599] R13: 0000000000001000 R14: ffff8880959bf2e8 R15: 0000000000000001 [ 33.808853] FS: 0000555555fb7300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 33.817085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.823049] CR2: 00007f8fcbcf0867 CR3: 00000000b4212000 CR4: 00000000003406f0 [ 33.830304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.837560] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.844818] Call Trace: [ 33.847395] scatterwalk_map_and_copy+0x121/0x1a0 [ 33.852218] ? scatterwalk_ffwd+0x370/0x370 [ 33.856538] ? aesni_gcm_enc_avx2+0x196/0x1b0 [ 33.861013] ? kernel_fpu_enable+0x1f/0x40 [ 33.865231] ? kernel_fpu_end+0x11b/0x170 [ 33.869447] ? kernel_fpu_enable+0x40/0x40 [ 33.873668] gcmaes_encrypt.constprop.0+0x89f/0xd90 [ 33.878665] ? depot_save_stack+0x258/0x410 [ 33.882987] ? gcmaes_crypt_by_sg.constprop.0+0x1790/0x1790 [ 33.888680] ? inet_sendpage+0x164/0x650 [ 33.892724] ? sock_sendpage+0xdf/0x140 [ 33.896692] ? pipe_to_sendpage+0x268/0x330 [ 33.901011] ? __splice_from_pipe+0x389/0x800 [ 33.905491] ? generic_splice_sendpage+0xd4/0x140 [ 33.910332] ? direct_splice_actor+0x115/0x160 [ 33.914901] ? splice_direct_to_actor+0x33f/0x8d0 [ 33.919760] ? do_splice_direct+0x1a7/0x270 [ 33.924064] ? do_sendfile+0x550/0xc30 [ 33.927934] ? __se_sys_sendfile64+0x147/0x160 [ 33.932513] ? do_syscall_64+0xf9/0x620 [ 33.936488] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.941870] ? usleep_range+0x170/0x170 [ 33.945849] ? reacquire_held_locks+0xb5/0x430 [ 33.950427] ? sk_stream_wait_memory+0x9da/0xd60 [ 33.955172] ? generic_gcmaes_encrypt+0x108/0x160 [ 33.960118] ? generic_gcmaes_encrypt+0x108/0x160 [ 33.964953] ? helper_rfc4106_encrypt+0x310/0x310 [ 33.969800] ? gcmaes_wrapper_encrypt+0x157/0x1f0 [ 33.974630] ? tls_push_record+0x9d7/0x1370 [ 33.978937] ? tls_sw_sendpage+0x8c6/0xd00 [ 33.983154] ? tls_sw_sendmsg+0x1210/0x1210 [ 33.987502] ? ktime_get_coarse_real_ts64+0x1c7/0x290 [ 33.992670] ? tls_sw_sendmsg+0x1210/0x1210 [ 33.996973] ? inet_sendpage+0x164/0x650 [ 34.001031] ? current_time+0x13c/0x1c0 [ 34.004991] ? inet_accept+0x770/0x770 [ 34.008859] ? sock_sendpage+0xdf/0x140 [ 34.012823] ? pipe_to_sendpage+0x268/0x330 [ 34.017131] ? sockfs_setattr+0x160/0x160 [ 34.021265] ? direct_splice_actor+0x160/0x160 [ 34.025827] ? splice_from_pipe_next.part.0+0x2ad/0x360 [ 34.031174] ? __splice_from_pipe+0x389/0x800 [ 34.035659] ? direct_splice_actor+0x160/0x160 [ 34.040223] ? generic_splice_sendpage+0xd4/0x140 [ 34.045046] ? __splice_from_pipe+0x800/0x800 [ 34.049539] ? security_file_permission+0x1c0/0x220 [ 34.054534] ? __splice_from_pipe+0x800/0x800 [ 34.059096] ? direct_splice_actor+0x115/0x160 [ 34.063662] ? splice_direct_to_actor+0x33f/0x8d0 [ 34.068493] ? generic_pipe_buf_nosteal+0x10/0x10 [ 34.073317] ? do_splice_to+0x160/0x160 [ 34.077275] ? do_splice_direct+0x1a7/0x270 [ 34.081578] ? splice_direct_to_actor+0x8d0/0x8d0 [ 34.086404] ? security_file_permission+0x1c0/0x220 [ 34.091401] ? do_sendfile+0x550/0xc30 [ 34.095272] ? do_compat_pwritev64+0x1b0/0x1b0 [ 34.099832] ? vfs_write+0x393/0x540 [ 34.103526] ? __se_sys_sendfile64+0x147/0x160 [ 34.108087] ? __se_sys_sendfile+0x180/0x180 [ 34.112486] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 34.117832] ? trace_hardirqs_off_caller+0x6e/0x210 [ 34.122828] ? do_syscall_64+0x21/0x620 [ 34.126790] ? do_syscall_64+0xf9/0x620 [ 34.130752] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.136090] Modules linked in: [ 34.140966] ---[ end trace ca8bbb0f9352763f ]--- [ 34.145807] RIP: 0010:scatterwalk_copychunks+0x4db/0x6a0 [ 34.151291] Code: ff df 80 3c 02 00 0f 85 98 01 00 00 49 8d 44 24 08 4d 89 26 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 9f 01 00 00 48 b8 00 00 00 00 [ 34.170496] RSP: 0018:ffff8880959bf238 EFLAGS: 00010202 [ 34.176268] RAX: dffffc0000000000 RBX: 000000000000401d RCX: ffffffff83739e13 [ 34.183536] RDX: 0000000000000001 RSI: ffffffff83739e63 RDI: 0000000000000007 [ 34.191092] RBP: 000000000000401d R08: 0000000000000001 R09: 0000000000000000 [ 34.199089] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000 [ 34.206563] R13: 0000000000001000 R14: ffff8880959bf2e8 R15: 0000000000000001 [ 34.213829] FS: 0000555555fb7300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 34.222416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.228488] CR2: 00007f8fcbcf0867 CR3: 00000000b4212000 CR4: 00000000003406f0 [ 34.235965] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.243239] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.250798] Kernel panic - not syncing: Fatal exception [ 34.256326] Kernel Offset: disabled [ 34.259940] Rebooting in 86400 seconds..