[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 24.564490] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 28.411099] random: sshd: uninitialized urandom read (32 bytes read) [ 28.702770] random: sshd: uninitialized urandom read (32 bytes read) [ 29.313694] random: sshd: uninitialized urandom read (32 bytes read) [ 725.908148] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.15.206' (ECDSA) to the list of known hosts. [ 731.506854] random: sshd: uninitialized urandom read (32 bytes read) executing program executing program executing program executing program executing program executing program executing program executing program [ 731.650383] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? [ 731.657261] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? [ 731.665789] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? [ 731.671601] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? [ 731.683088] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 731.690476] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? [ 731.701474] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? [ 731.710785] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? [ 731.721232] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? [ 731.728918] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 736.661697] rds_bind: 2984 callbacks suppressed [ 736.661711] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? [ 736.662768] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? [ 736.673704] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? [ 736.679655] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? executing program [ 736.687359] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? [ 736.696656] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? [ 736.707647] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? [ 736.717586] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? [ 736.730939] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 736.735415] RDS: rds_bind could not find a transport for ::ffff:172.20.20.187, load rds_tcp or rds_rdma? executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 739.515651] ================================================================== [ 739.523341] BUG: KASAN: use-after-free in memcmp+0xe3/0x160 [ 739.529065] Read of size 1 at addr ffff8801c59c5530 by task syz-executor684/12868 [ 739.536679] [ 739.538354] CPU: 1 PID: 12868 Comm: syz-executor684 Not tainted 4.19.0-rc2+ #229 [ 739.545893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 739.555248] Call Trace: [ 739.557869] dump_stack+0x1c4/0x2b4 [ 739.561514] ? dump_stack_print_info.cold.2+0x52/0x52 [ 739.566795] ? printk+0xa7/0xcf [ 739.570119] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 739.574948] print_address_description.cold.8+0x9/0x1ff [ 739.580336] kasan_report.cold.9+0x242/0x309 [ 739.584759] ? memcmp+0xe3/0x160 [ 739.588144] __asan_report_load1_noabort+0x14/0x20 [ 739.593071] memcmp+0xe3/0x160 [ 739.596328] __rhashtable_lookup.isra.8.constprop.20+0x73a/0xd00 [ 739.602486] ? rds_sock_put+0x50/0x50 [ 739.606316] ? lock_acquire+0x1ed/0x520 [ 739.610299] ? rds_bind+0x75a/0x1520 [ 739.614080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.619691] ? check_preemption_disabled+0x48/0x200 [ 739.624751] ? kasan_check_read+0x11/0x20 [ 739.628952] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 739.634327] ? lock_sock_nested+0x9a/0x120 [ 739.638575] ? rcu_bh_qs+0xc0/0xc0 [ 739.642186] ? __local_bh_enable_ip+0x160/0x260 [ 739.646874] rds_bind+0x7d2/0x1520 [ 739.650418] ? rds_remove_bound+0x90/0x90 [ 739.654575] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 739.659559] ? aa_sk_perm+0x218/0x8b0 [ 739.663421] ? usercopy_warn+0x110/0x110 [ 739.667498] ? aa_af_perm+0x5a0/0x5a0 [ 739.671340] ? apparmor_socket_bind+0xb6/0x160 [ 739.675930] __sys_bind+0x331/0x440 [ 739.679568] ? rds_remove_bound+0x90/0x90 [ 739.683723] ? __sys_bind+0x331/0x440 [ 739.687547] ? __ia32_sys_socketpair+0xf0/0xf0 [ 739.692158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.697749] ? do_syscall_64+0x9a/0x820 [ 739.701748] ? do_syscall_64+0x9a/0x820 [ 739.705742] ? lockdep_hardirqs_on+0x421/0x5c0 [ 739.710373] ? trace_hardirqs_on+0xbd/0x310 [ 739.714751] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 739.720126] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 739.725581] __x64_sys_bind+0x73/0xb0 [ 739.729381] do_syscall_64+0x1b9/0x820 [ 739.733280] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 739.738666] ? syscall_return_slowpath+0x5e0/0x5e0 [ 739.743605] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 739.748460] ? trace_hardirqs_on_caller+0x310/0x310 [ 739.753486] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 739.758511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.764281] ? prepare_exit_to_usermode+0x291/0x3b0 [ 739.769312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 739.774179] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 739.779374] RIP: 0033:0x4463e9 [ 739.782586] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 739.801495] RSP: 002b:00007fbd292b9da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 739.809203] RAX: ffffffffffffffda RBX: 00000000006dac28 RCX: 00000000004463e9 [ 739.816467] RDX: 0000000000000010 RSI: 00000000200002c0 RDI: 0000000000000003 [ 739.823752] RBP: 00000000006dac20 R08: 0000000000000000 R09: 0000000000000000 [ 739.831020] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dac2c [ 739.838282] R13: 0000040000000015 R14: 6465646165726874 R15: 0000000000000000 [ 739.845577] [ 739.847204] Allocated by task 12858: [ 739.850931] save_stack+0x43/0xd0 [ 739.854388] kasan_kmalloc+0xc7/0xe0 [ 739.858098] kasan_slab_alloc+0x12/0x20 [ 739.862058] kmem_cache_alloc+0x12e/0x730 [ 739.866201] sk_prot_alloc+0x69/0x2e0 [ 739.870011] sk_alloc+0x10d/0x1690 [ 739.873559] rds_create+0x14f/0x740 [ 739.877190] __sock_create+0x536/0x930 [ 739.881082] __sys_socket+0x106/0x260 [ 739.884888] __x64_sys_socket+0x73/0xb0 [ 739.888868] do_syscall_64+0x1b9/0x820 [ 739.892773] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 739.897964] [ 739.899593] Freed by task 12853: [ 739.902973] save_stack+0x43/0xd0 [ 739.906431] __kasan_slab_free+0x102/0x150 [ 739.910671] kasan_slab_free+0xe/0x10 [ 739.914472] kmem_cache_free+0x83/0x290 [ 739.918452] __sk_destruct+0x766/0xbd0 [ 739.922348] sk_destruct+0x78/0x90 [ 739.925893] __sk_free+0xcf/0x300 [ 739.929345] sk_free+0x42/0x50 [ 739.932530] rds_release+0x3e8/0x570 [ 739.936251] __sock_release+0xd7/0x250 [ 739.940143] sock_close+0x19/0x20 [ 739.943600] __fput+0x385/0xa30 [ 739.946885] ____fput+0x15/0x20 [ 739.950267] task_work_run+0x1e8/0x2a0 [ 739.954176] exit_to_usermode_loop+0x318/0x380 [ 739.958763] do_syscall_64+0x6be/0x820 [ 739.962647] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 739.967834] [ 739.969470] The buggy address belongs to the object at ffff8801c59c50c0 [ 739.969470] which belongs to the cache RDS of size 1608 [ 739.981526] The buggy address is located 1136 bytes inside of [ 739.981526] 1608-byte region [ffff8801c59c50c0, ffff8801c59c5708) [ 739.993581] The buggy address belongs to the page: [ 739.998526] page:ffffea0007167140 count:1 mapcount:0 mapping:ffff8801cb1d37c0 index:0x0 [ 740.006680] flags: 0x2fffc0000000100(slab) [ 740.011003] raw: 02fffc0000000100 ffffea00071542c8 ffffea00071651c8 ffff8801cb1d37c0 [ 740.018898] raw: 0000000000000000 ffff8801c59c50c0 0000000100000002 0000000000000000 [ 740.026781] page dumped because: kasan: bad access detected [ 740.032487] [ 740.034106] Memory state around the buggy address: [ 740.039032] ffff8801c59c5400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 740.046397] ffff8801c59c5480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 740.053764] >ffff8801c59c5500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 740.061127] ^ executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 740.066060] ffff8801c59c5580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 740.073426] ffff8801c59c5600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 740.080784] ================================================================== [ 740.088141] Disabling lock debugging due to kernel taint [ 740.102194] Kernel panic - not syncing: panic_on_warn set ... [ 740.102194] [ 740.109583] CPU: 1 PID: 12868 Comm: syz-executor684 Tainted: G B 4.19.0-rc2+ #229 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 740.118499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 740.127852] Call Trace: [ 740.130442] dump_stack+0x1c4/0x2b4 [ 740.134080] ? dump_stack_print_info.cold.2+0x52/0x52 [ 740.139287] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 740.144060] panic+0x238/0x4e7 [ 740.147255] ? add_taint.cold.5+0x16/0x16 [ 740.151423] ? preempt_schedule+0x4d/0x60 [ 740.155577] ? ___preempt_schedule+0x16/0x18 [ 740.159983] ? trace_hardirqs_on+0xb4/0x310 [ 740.164312] kasan_end_report+0x47/0x4f executing program executing program executing program executing program [ 740.168304] kasan_report.cold.9+0x76/0x309 [ 740.172641] ? memcmp+0xe3/0x160 [ 740.176018] __asan_report_load1_noabort+0x14/0x20 [ 740.180954] memcmp+0xe3/0x160 [ 740.184161] __rhashtable_lookup.isra.8.constprop.20+0x73a/0xd00 [ 740.190328] ? rds_sock_put+0x50/0x50 [ 740.194146] ? lock_acquire+0x1ed/0x520 [ 740.198124] ? rds_bind+0x75a/0x1520 [ 740.201842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.207392] ? check_preemption_disabled+0x48/0x200 [ 740.212512] ? kasan_check_read+0x11/0x20 [ 740.216664] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 740.221947] ? lock_sock_nested+0x9a/0x120 [ 740.226179] ? rcu_bh_qs+0xc0/0xc0 [ 740.229719] ? __local_bh_enable_ip+0x160/0x260 [ 740.234406] rds_bind+0x7d2/0x1520 [ 740.237956] ? rds_remove_bound+0x90/0x90 [ 740.242109] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 740.247046] ? aa_sk_perm+0x218/0x8b0 [ 740.250858] ? usercopy_warn+0x110/0x110 [ 740.254925] ? aa_af_perm+0x5a0/0x5a0 [ 740.258755] ? apparmor_socket_bind+0xb6/0x160 [ 740.263348] __sys_bind+0x331/0x440 [ 740.266980] ? rds_remove_bound+0x90/0x90 [ 740.271130] ? __sys_bind+0x331/0x440 [ 740.274939] ? __ia32_sys_socketpair+0xf0/0xf0 [ 740.279534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.285082] ? do_syscall_64+0x9a/0x820 [ 740.289059] ? do_syscall_64+0x9a/0x820 [ 740.293043] ? lockdep_hardirqs_on+0x421/0x5c0 [ 740.297630] ? trace_hardirqs_on+0xbd/0x310 [ 740.301976] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 740.307339] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 740.312787] __x64_sys_bind+0x73/0xb0 [ 740.316586] do_syscall_64+0x1b9/0x820 [ 740.320487] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 740.325860] ? syscall_return_slowpath+0x5e0/0x5e0 [ 740.330798] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 740.335649] ? trace_hardirqs_on_caller+0x310/0x310 [ 740.340671] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 740.345699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.351252] ? prepare_exit_to_usermode+0x291/0x3b0 [ 740.356282] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 740.361149] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 740.366343] RIP: 0033:0x4463e9 [ 740.369540] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 740.388467] RSP: 002b:00007fbd292b9da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 740.396173] RAX: ffffffffffffffda RBX: 00000000006dac28 RCX: 00000000004463e9 [ 740.403431] RDX: 0000000000000010 RSI: 00000000200002c0 RDI: 0000000000000003 [ 740.410701] RBP: 00000000006dac20 R08: 0000000000000000 R09: 0000000000000000 [ 740.417983] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dac2c [ 740.425254] R13: 0000040000000015 R14: 6465646165726874 R15: 0000000000000000 [ 740.432910] Dumping ftrace buffer: [ 740.436437] (ftrace buffer empty) [ 740.440807] Kernel Offset: disabled [ 740.444459] Rebooting in 86400 seconds..