[....] Starting enhanced syslogd: rsyslogd[ 10.373656] audit: type=1400 audit(1513767367.688:5): avc: denied { syslog } for pid=2986 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 mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] 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: [ 12.754248] audit: type=1400 audit(1513767370.069:6): avc: denied { map } for pid=3124 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-net-kasan-gce-4,10.128.0.29' (ECDSA) to the list of known hosts. net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 [ 18.991484] audit: type=1400 audit(1513767376.306:7): avc: denied { map } for pid=3138 comm="syzkaller190798" path="/root/syzkaller190798341" 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 [ 19.107812] audit: type=1400 audit(1513767376.422:8): avc: denied { sys_admin } for pid=3138 comm="syzkaller190798" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 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 [ 19.187382] audit: type=1400 audit(1513767376.502:9): avc: denied { sys_chroot } for pid=3162 comm="syzkaller190798" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 [ 25.020888] ================================================================== [ 25.028282] BUG: KASAN: use-after-free in crypto_chacha20_crypt+0xaf1/0xbd0 [ 25.035353] Read of size 4 at addr ffff880100000006 by task syzkaller190798/4983 [ 25.042850] [ 25.044455] CPU: 1 PID: 4983 Comm: syzkaller190798 Not tainted 4.15.0-rc3+ #159 [ 25.051865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.061190] Call Trace: [ 25.063747] dump_stack+0x194/0x257 [ 25.067344] ? arch_local_irq_restore+0x53/0x53 [ 25.071981] ? show_regs_print_info+0x18/0x18 [ 25.076442] ? rcutorture_record_progress+0x10/0x10 [ 25.081430] ? crypto_chacha20_crypt+0xaf1/0xbd0 [ 25.086157] print_address_description+0x73/0x250 [ 25.090968] ? crypto_chacha20_crypt+0xaf1/0xbd0 [ 25.095692] kasan_report+0x25b/0x340 [ 25.099468] __asan_report_load4_noabort+0x14/0x20 [ 25.104366] crypto_chacha20_crypt+0xaf1/0xbd0 [ 25.108924] ? crypto_chacha20_setkey+0xc0/0xc0 [ 25.113563] ? __kmalloc+0x162/0x760 [ 25.117245] ? sock_kmalloc+0x112/0x190 [ 25.121188] ? skcipher_recvmsg+0x3f2/0xf10 [ 25.125476] ? sock_recvmsg+0xc9/0x110 [ 25.129328] ? sock_read_iter+0x35b/0x560 [ 25.133442] ? do_iter_readv_writev+0x5fb/0x7f0 [ 25.138074] ? do_iter_read+0x21a/0x5a0 [ 25.142018] ? vfs_readv+0x121/0x1c0 [ 25.145703] ? do_readv+0xfc/0x2a0 [ 25.149209] ? SyS_readv+0x27/0x30 [ 25.152718] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 25.158048] ? check_noncircular+0x20/0x20 [ 25.162252] ? lock_downgrade+0x980/0x980 [ 25.166375] ? af_alg_pull_tsgl+0x8b6/0xc10 [ 25.170668] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.175655] chacha20_simd+0xe4/0x410 [ 25.179421] ? chacha20_simd+0xe4/0x410 [ 25.183362] ? af_alg_get_rsgl+0x980/0x980 [ 25.187564] ? chacha20_dosimd+0x340/0x340 [ 25.191774] ? rcu_read_lock_sched_held+0x108/0x120 [ 25.196765] ? sock_kmalloc+0x112/0x190 [ 25.200714] ? sock_kmalloc+0x11f/0x190 [ 25.204668] ? copy_overflow+0x30/0x30 [ 25.208523] ? lock_sock_nested+0x91/0x110 [ 25.212724] ? trace_hardirqs_on+0xd/0x10 [ 25.216838] ? memset+0x31/0x40 [ 25.220089] skcipher_recvmsg+0xa4e/0xf10 [ 25.224203] ? skcipher_recvmsg+0xa4e/0xf10 [ 25.228493] ? avc_has_perm+0x43e/0x680 [ 25.232444] ? skcipher_release+0x50/0x50 [ 25.236561] ? selinux_socket_recvmsg+0x36/0x40 [ 25.241197] ? security_socket_recvmsg+0x91/0xc0 [ 25.245920] ? skcipher_release+0x50/0x50 [ 25.250039] sock_recvmsg+0xc9/0x110 [ 25.253726] sock_read_iter+0x35b/0x560 [ 25.257670] ? sock_recvmsg+0x110/0x110 [ 25.261628] do_iter_readv_writev+0x5fb/0x7f0 [ 25.266093] ? vfs_dedupe_file_range+0x8f0/0x8f0 [ 25.270825] ? rw_verify_area+0xe5/0x2b0 [ 25.274859] do_iter_read+0x21a/0x5a0 [ 25.278630] ? dup_iter+0x260/0x260 [ 25.282237] vfs_readv+0x121/0x1c0 [ 25.285745] ? __fget_light+0x297/0x380 [ 25.289694] ? compat_rw_copy_check_uvector+0x2e0/0x2e0 [ 25.295034] ? up_read+0x1a/0x40 [ 25.298380] ? __do_page_fault+0x3d6/0xc90 [ 25.302580] ? fd_install+0x4d/0x60 [ 25.306183] ? mm_fault_error+0x2c0/0x2c0 [ 25.310310] ? __fdget_raw+0x20/0x20 [ 25.313995] ? __do_page_fault+0xc90/0xc90 [ 25.318204] do_readv+0xfc/0x2a0 [ 25.321537] ? do_readv+0xfc/0x2a0 [ 25.325047] ? vfs_readv+0x1c0/0x1c0 [ 25.328729] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 25.333542] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.338531] SyS_readv+0x27/0x30 [ 25.341866] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 25.346590] RIP: 0033:0x4462e9 [ 25.349747] RSP: 002b:00000000007efa48 EFLAGS: 00000203 ORIG_RAX: 0000000000000013 [ 25.357421] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004462e9 [ 25.364657] RDX: 0000000000000005 RSI: 0000000020b3a000 RDI: 0000000000000005 [ 25.371894] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 25.379136] R10: 0000000000000000 R11: 0000000000000203 R12: 000000000000071a [ 25.386372] R13: 00000000000061b7 R14: 0000000000000000 R15: 0000000000000000 [ 25.393627] [ 25.395221] The buggy address belongs to the page: [ 25.400119] page:00000000cef284d7 count:0 mapcount:-127 mapping: (null) index:0x0 [ 25.408488] flags: 0x2fffc0000000000() [ 25.412352] raw: 02fffc0000000000 0000000000000000 0000000000000000 00000000ffffff80 [ 25.420199] raw: ffff88021fffae20 ffffea0004010020 000000000000000a 0000000000000000 [ 25.428042] page dumped because: kasan: bad access detected [ 25.433715] [ 25.435307] Memory state around the buggy address: [ 25.440207] BUG: unable to handle kernel paging request at ffffed001fffffe0 [ 25.447282] IP: memcpy_erms+0x6/0x10 [ 25.450958] PGD 21ffd6067 P4D 21ffd6067 PUD 21ffd5067 PMD 0 [ 25.456725] Oops: 0000 [#1] SMP KASAN [ 25.460491] Dumping ftrace buffer: [ 25.463999] (ftrace buffer empty) [ 25.467686] Modules linked in: [ 25.470846] CPU: 1 PID: 4983 Comm: syzkaller190798 Not tainted 4.15.0-rc3+ #159 [ 25.478255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.487582] RIP: 0010:memcpy_erms+0x6/0x10 [ 25.491781] RSP: 0018:ffff8801d93a7408 EFLAGS: 00010092 [ 25.497119] RAX: ffff8801d93a7414 RBX: ffffed001fffffe0 RCX: 0000000000000010 [ 25.504362] RDX: 0000000000000010 RSI: ffffed001fffffe0 RDI: ffff8801d93a7414 [ 25.511597] RBP: ffff8801d93a7460 R08: ffffed003b274e87 R09: ffffed003b274e87 [ 25.518831] R10: dffffc0000000000 R11: ffffed003b274e86 R12: 00000000fffffffe [ 25.526068] R13: ffff8800ffffff00 R14: ffffed0020000000 R15: 0000000000000014 [ 25.533309] FS: 0000000001117880(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 [ 25.541500] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.547346] CR2: ffffed001fffffe0 CR3: 00000001bf0d4003 CR4: 00000000001606e0 [ 25.554588] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.561821] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.569055] Call Trace: [ 25.571610] ? print_shadow_for_address+0xa8/0x170 [ 25.576503] ? dump_page+0x1d/0x30 [ 25.580016] ? crypto_chacha20_crypt+0xaf1/0xbd0 [ 25.584741] kasan_report+0x26f/0x340 [ 25.588509] __asan_report_load4_noabort+0x14/0x20 [ 25.593405] crypto_chacha20_crypt+0xaf1/0xbd0 [ 25.597958] ? crypto_chacha20_setkey+0xc0/0xc0 [ 25.602596] ? __kmalloc+0x162/0x760 [ 25.606273] ? sock_kmalloc+0x112/0x190 [ 25.610218] ? skcipher_recvmsg+0x3f2/0xf10 [ 25.614507] ? sock_recvmsg+0xc9/0x110 [ 25.618356] ? sock_read_iter+0x35b/0x560 [ 25.622469] ? do_iter_readv_writev+0x5fb/0x7f0 [ 25.627099] ? do_iter_read+0x21a/0x5a0 [ 25.631039] ? vfs_readv+0x121/0x1c0 [ 25.634717] ? do_readv+0xfc/0x2a0 [ 25.638230] ? SyS_readv+0x27/0x30 [ 25.641738] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 25.646636] ? check_noncircular+0x20/0x20 [ 25.650837] ? lock_downgrade+0x980/0x980 [ 25.654951] ? af_alg_pull_tsgl+0x8b6/0xc10 [ 25.659240] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.664222] chacha20_simd+0xe4/0x410 [ 25.667986] ? chacha20_simd+0xe4/0x410 [ 25.671930] ? af_alg_get_rsgl+0x980/0x980 [ 25.676131] ? chacha20_dosimd+0x340/0x340 [ 25.680335] ? rcu_read_lock_sched_held+0x108/0x120 [ 25.685319] ? sock_kmalloc+0x112/0x190 [ 25.689260] ? sock_kmalloc+0x11f/0x190 [ 25.693204] ? copy_overflow+0x30/0x30 [ 25.697057] ? lock_sock_nested+0x91/0x110 [ 25.701255] ? trace_hardirqs_on+0xd/0x10 [ 25.705368] ? memset+0x31/0x40 [ 25.708613] skcipher_recvmsg+0xa4e/0xf10 [ 25.712731] ? skcipher_recvmsg+0xa4e/0xf10 [ 25.717023] ? avc_has_perm+0x43e/0x680 [ 25.720970] ? skcipher_release+0x50/0x50 [ 25.725083] ? selinux_socket_recvmsg+0x36/0x40 [ 25.729719] ? security_socket_recvmsg+0x91/0xc0 [ 25.734442] ? skcipher_release+0x50/0x50 [ 25.738557] sock_recvmsg+0xc9/0x110 [ 25.742242] sock_read_iter+0x35b/0x560 [ 25.746184] ? sock_recvmsg+0x110/0x110 [ 25.750134] do_iter_readv_writev+0x5fb/0x7f0 [ 25.754597] ? vfs_dedupe_file_range+0x8f0/0x8f0 [ 25.759321] ? rw_verify_area+0xe5/0x2b0 [ 25.763350] do_iter_read+0x21a/0x5a0 [ 25.767118] ? dup_iter+0x260/0x260 [ 25.770713] vfs_readv+0x121/0x1c0 [ 25.774217] ? __fget_light+0x297/0x380 [ 25.778171] ? compat_rw_copy_check_uvector+0x2e0/0x2e0 [ 25.783508] ? up_read+0x1a/0x40 [ 25.786845] ? __do_page_fault+0x3d6/0xc90 [ 25.791046] ? fd_install+0x4d/0x60 [ 25.794643] ? mm_fault_error+0x2c0/0x2c0 [ 25.798763] ? __fdget_raw+0x20/0x20 [ 25.802444] ? __do_page_fault+0xc90/0xc90 [ 25.806644] do_readv+0xfc/0x2a0 [ 25.809978] ? do_readv+0xfc/0x2a0 [ 25.813484] ? vfs_readv+0x1c0/0x1c0 [ 25.817165] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 25.821973] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.826958] SyS_readv+0x27/0x30 [ 25.830289] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 25.835010] RIP: 0033:0x4462e9 [ 25.838172] RSP: 002b:00000000007efa48 EFLAGS: 00000203 ORIG_RAX: 0000000000000013 [ 25.845845] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00000000004462e9 [ 25.853082] RDX: 0000000000000005 RSI: 0000000020b3a000 RDI: 0000000000000005 [ 25.860315] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 25.867548] R10: 0000000000000000 R11: 0000000000000203 R12: 000000000000071a [ 25.874784] R13: 00000000000061b7 R14: 0000000000000000 R15: 0000000000000000 [ 25.882035] Code: 90 90 90 90 90 eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 a4 c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 [ 25.901106] RIP: memcpy_erms+0x6/0x10 RSP: ffff8801d93a7408 [ 25.906781] CR2: ffffed001fffffe0 [ 25.910203] ---[ end trace fe41a533d1d91628 ]--- [ 25.914927] Kernel panic - not syncing: Fatal exception [ 25.920631] Dumping ftrace buffer: [ 25.924148] (ftrace buffer empty) [ 25.927825] Kernel Offset: disabled [ 25.931413] Rebooting in 86400 seconds..