INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-mmots-kasan-gce-4,10.128.0.60' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 45.956869] kasan: CONFIG_KASAN_INLINE enabled [ 45.957686] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 45.958906] general protection fault: 0000 [#1] SMP KASAN [ 45.959652] Dumping ftrace buffer: [ 45.960141] (ftrace buffer empty) [ 45.960648] Modules linked in: [ 45.961129] CPU: 0 PID: 3459 Comm: syzkaller843837 Not tainted 4.14.0-mm1+ #25 [ 45.962094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.963315] task: ffff8801bfe7e0c0 task.stack: ffff8801c01f8000 [ 45.964118] RIP: 0010:blkcipher_walk_done+0x447/0xde0 [ 45.964803] RSP: 0018:ffff8801c01ff6f0 EFLAGS: 00010202 [ 45.965514] RAX: 0000000000000000 RBX: 00000000000003ef RCX: ffff8801c01ff7e0 [ 45.966482] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000008 [ 45.967450] RBP: ffff8801c01ff740 R08: ffffed00372e1e02 R09: 0000000000000010 [ 45.968403] R10: 0000000000000000 R11: ffffed00372e1e01 R12: ffff8801c01ff8b8 [ 45.969354] R13: ffff8801c01ff7a0 R14: ffff8801c01ff7e8 R15: ffff8801c0189110 [ 45.970330] FS: 00007f4f6c774700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 [ 45.971406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.972181] CR2: 0000000020c13000 CR3: 00000001d9ef0000 CR4: 00000000001406f0 [ 45.973136] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.974089] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.975040] Call Trace: [ 45.975403] skcipher_null_crypt+0x1da/0x2d0 [ 45.975996] ? null_compress+0x80/0x80 [ 45.976520] ? iov_iter_copy_from_user_atomic+0xe30/0xe30 [ 45.978724] ? null_compress+0x80/0x80 [ 45.982580] skcipher_encrypt_blkcipher+0x213/0x310 [ 45.987559] ? skcipher_encrypt_blkcipher+0x213/0x310 [ 45.992717] ? skcipher_setkey_blkcipher+0x170/0x170 [ 45.997788] ? af_alg_alloc_areq+0x1f2/0x2f0 [ 46.002169] aead_recvmsg+0x7db/0x1970 [ 46.006026] ? aead_recvmsg+0x67d/0x1970 [ 46.010054] ? release_sock+0x1d4/0x2a0 [ 46.013999] ? __local_bh_enable_ip+0x121/0x230 [ 46.018647] ? aead_sendpage_nokey+0xa0/0xa0 [ 46.023027] ? aead_check_key.isra.6+0x61/0x200 [ 46.027666] aead_recvmsg_nokey+0x60/0x80 [ 46.031780] ? aead_recvmsg+0x1970/0x1970 [ 46.035893] sock_recvmsg+0xc9/0x110 [ 46.039571] ? __sock_recv_wifi_status+0x210/0x210 [ 46.044467] ___sys_recvmsg+0x29b/0x630 [ 46.048411] ? ___sys_sendmsg+0x8a0/0x8a0 [ 46.052537] ? fget_raw+0x20/0x20 [ 46.055957] ? lock_release+0xda0/0xda0 [ 46.059898] ? lock_downgrade+0x980/0x980 [ 46.064015] ? do_raw_spin_trylock+0x190/0x190 [ 46.068564] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 46.073641] ? __fdget+0x18/0x20 [ 46.076978] __sys_recvmsg+0xe2/0x210 [ 46.080743] ? __sys_recvmsg+0xe2/0x210 [ 46.084685] ? SyS_sendmmsg+0x60/0x60 [ 46.088453] ? account_kernel_stack+0x194/0x270 [ 46.093091] ? lockdep_sys_exit+0x47/0xf0 [ 46.097210] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 46.102194] SyS_recvmsg+0x2d/0x50 [ 46.105703] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 46.110424] RIP: 0033:0x4463e9 [ 46.113582] RSP: 002b:00007f4f6c773dc8 EFLAGS: 00000202 ORIG_RAX: 000000000000002f [ 46.121256] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004463e9 [ 46.128491] RDX: 0000000000002103 RSI: 0000000020709fc8 RDI: 0000000000000008 [ 46.135725] RBP: 0000000000000086 R08: 00007f4f6c774700 R09: 00007f4f6c774700 [ 46.142960] R10: 00007f4f6c774700 R11: 0000000000000202 R12: 0000000000000000 [ 46.150193] R13: 00007ffd952b0bbf R14: 00007f4f6c7749c0 R15: 0000000000000000 executing program executing program executing program executing program [ 46.157439] Code: c8 48 89 f7 48 c1 ef 03 80 3c 17 00 0f 85 53 08 00 00 48 8d 78 08 48 ba 00 00 00 00 00 fc ff df 49 89 45 38 48 89 fe 48 c1 ee 03 <0f> b6 14 16 84 d2 74 09 80 fa 03 0f 8e 37 07 00 00 48 89 ca 44 [ 46.176524] RIP: blkcipher_walk_done+0x447/0xde0 RSP: ffff8801c01ff6f0 [ 46.183213] ---[ end trace b86792643e54649a ]--- [ 46.226428] kasan: CONFIG_KASAN_INLINE enabled [ 46.226430] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 46.226439] general protection fault: 0000 [#2] SMP KASAN [ 46.226443] Dumping ftrace buffer: [ 46.226447] (ftrace buffer empty) [ 46.226450] Modules linked in: [ 46.226459] CPU: 1 PID: 3585 Comm: syzkaller843837 Tainted: G D 4.14.0-mm1+ #25 [ 46.226462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.226466] task: ffff8801ca904240 task.stack: ffff8801cb1f8000 [ 46.226479] RIP: 0010:blkcipher_walk_done+0x447/0xde0 [ 46.226482] RSP: 0018:ffff8801cb1ff6f0 EFLAGS: 00010202 [ 46.226488] RAX: 0000000000000000 RBX: 00000000000003ef RCX: ffff8801cb1ff7e0 [ 46.226492] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000008 [ 46.226496] RBP: ffff8801cb1ff740 R08: ffffed00374e1e02 R09: 0000000000000010 [ 46.226500] R10: 0000000000000000 R11: ffffed00374e1e01 R12: ffff8801cb1ff8b8 [ 46.226504] R13: ffff8801cb1ff7a0 R14: ffff8801cb1ff7e8 R15: ffff8801cad38ad0 [ 46.226509] FS: 00007f4f6075c700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 [ 46.226512] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.226519] CR2: 00007f4f67769e78 CR3: 00000001d83fb000 CR4: 00000000001406e0 [ 46.226525] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.226528] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.226529] Call Trace: [ 46.226542] skcipher_null_crypt+0x1da/0x2d0 [ 46.226551] ? null_compress+0x80/0x80 [ 46.226558] ? iov_iter_copy_from_user_atomic+0xe30/0xe30 [ 46.226577] ? null_compress+0x80/0x80 [ 46.226584] skcipher_encrypt_blkcipher+0x213/0x310 [ 46.226590] ? skcipher_encrypt_blkcipher+0x213/0x310 [ 46.226598] ? skcipher_setkey_blkcipher+0x170/0x170 [ 46.226608] ? af_alg_alloc_areq+0x1f2/0x2f0 [ 46.226618] aead_recvmsg+0x7db/0x1970 [ 46.226630] ? aead_recvmsg+0x67d/0x1970 [ 46.226638] ? release_sock+0x1d4/0x2a0 [ 46.226647] ? __local_bh_enable_ip+0x121/0x230 [ 46.226664] ? aead_sendpage_nokey+0xa0/0xa0 [ 46.226674] ? aead_check_key.isra.6+0x61/0x200 [ 46.226683] aead_recvmsg_nokey+0x60/0x80 [ 46.226691] ? aead_recvmsg+0x1970/0x1970 [ 46.226697] sock_recvmsg+0xc9/0x110 [ 46.226703] ? __sock_recv_wifi_status+0x210/0x210 [ 46.226711] ___sys_recvmsg+0x29b/0x630 [ 46.226723] ? ___sys_sendmsg+0x8a0/0x8a0 [ 46.226736] ? kprobe_flush_task+0x1a3/0x5d0 [ 46.226751] ? fget_raw+0x20/0x20 [ 46.226760] ? lock_release+0xda0/0xda0 [ 46.226768] ? remove_entity_load_avg+0x1be/0x260 [ 46.226775] ? lock_downgrade+0x980/0x980 [ 46.226782] ? do_raw_spin_trylock+0x190/0x190 [ 46.226791] ? lock_downgrade+0x980/0x980 [ 46.226803] ? __fdget+0x18/0x20 [ 46.226813] __sys_recvmsg+0xe2/0x210 [ 46.226818] ? __sys_recvmsg+0xe2/0x210 [ 46.226826] ? SyS_sendmmsg+0x60/0x60 [ 46.226834] ? account_kernel_stack+0x194/0x270 [ 46.226844] ? put_task_stack+0x116/0x270 [ 46.226851] ? lockdep_sys_exit+0x47/0xf0 [ 46.226871] SyS_recvmsg+0x2d/0x50 [ 46.226880] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 46.226885] RIP: 0033:0x4463e9 [ 46.226888] RSP: 002b:00007f4f6075bdc8 EFLAGS: 00000202 ORIG_RAX: 000000000000002f [ 46.226894] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004463e9 [ 46.226898] RDX: 0000000000002103 RSI: 0000000020709fc8 RDI: 000000000000000e [ 46.226901] RBP: 00007ffd952b0bc0 R08: 00007f4f6075c700 R09: 00007f4f6075c700 [ 46.226905] R10: 00007f4f6075c700 R11: 0000000000000202 R12: 0000000000000000 [ 46.226908] R13: 00007ffd952b0bbf R14: 00007f4f6075c9c0 R15: 0000000000000000 [ 46.226922] Code: c8 48 89 f7 48 c1 ef 03 80 3c 17 00 0f 85 53 08 00 00 48 8d 78 08 48 ba 00 00 00 00 00 fc ff df 49 89 45 38 48 89 fe 48 c1 ee 03 <0f> b6 14 16 84 d2 74 09 80 fa 03 0f 8e 37 07 00 00 48 89 ca 44 [ 46.227036] RIP: blkcipher_walk_done+0x447/0xde0 RSP: ffff8801cb1ff6f0 [ 46.227172] ---[ end trace b86792643e54649b ]--- [ 46.227176] Kernel panic - not syncing: Fatal exception [ 46.231489] Dumping ftrace buffer: [ 46.231491] (ftrace buffer empty) [ 46.231494] Kernel Offset: disabled [ 46.609147] Rebooting in 86400 seconds..