[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 26.242291] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 31.095241] random: sshd: uninitialized urandom read (32 bytes read) [ 31.511788] random: sshd: uninitialized urandom read (32 bytes read) [ 32.105879] random: sshd: uninitialized urandom read (32 bytes read) [ 146.072655] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.51' (ECDSA) to the list of known hosts. [ 151.643209] random: sshd: uninitialized urandom read (32 bytes read) [ 151.796463] IPVS: ftp: loaded support on port[0] = 21 [ 151.797933] IPVS: ftp: loaded support on port[0] = 21 [ 151.809748] IPVS: ftp: loaded support on port[0] = 21 [ 151.811419] IPVS: ftp: loaded support on port[0] = 21 [ 151.822015] IPVS: ftp: loaded support on port[0] = 21 [ 151.823279] IPVS: ftp: loaded support on port[0] = 21 [ 151.835658] IPVS: ftp: loaded support on port[0] = 21 [ 151.845345] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 172.793355] ================================================================== [ 172.800827] BUG: KASAN: use-after-free in __lock_acquire+0x37c2/0x4ec0 [ 172.807511] Read of size 8 at addr ffff8801be270b88 by task syz-executor843/16792 [ 172.815133] [ 172.816776] CPU: 0 PID: 16792 Comm: syz-executor843 Not tainted 4.19.0-rc2+ #51 [ 172.824227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.833587] Call Trace: [ 172.836182] dump_stack+0x1c4/0x2b4 executing program executing program executing program [ 172.840010] ? dump_stack_print_info.cold.2+0x52/0x52 [ 172.845214] ? printk+0xa7/0xcf [ 172.848504] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 172.853303] print_address_description.cold.8+0x9/0x1ff [ 172.858696] kasan_report.cold.9+0x242/0x309 [ 172.863117] ? __lock_acquire+0x37c2/0x4ec0 [ 172.867452] __asan_report_load8_noabort+0x14/0x20 [ 172.872396] __lock_acquire+0x37c2/0x4ec0 [ 172.876562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 172.882113] ? mark_held_locks+0x130/0x130 [ 172.886371] ? is_bpf_text_address+0xac/0x170 executing program executing program executing program [ 172.890877] ? lock_downgrade+0x900/0x900 [ 172.895034] ? check_preemption_disabled+0x48/0x200 [ 172.900071] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 172.905890] ? kasan_check_read+0x11/0x20 [ 172.910052] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 172.915338] ? rcu_bh_qs+0xc0/0xc0 [ 172.918893] ? rcu_bh_qs+0xc0/0xc0 [ 172.922443] ? unwind_dump+0x190/0x190 [ 172.926350] ? is_bpf_text_address+0xd3/0x170 [ 172.930858] ? kernel_text_address+0x79/0xf0 [ 172.935287] ? __kernel_text_address+0xd/0x40 [ 172.939799] ? unwind_get_return_address+0x61/0xa0 [ 172.944731] ? __save_stack_trace+0x8d/0xf0 [ 172.949053] ? save_stack+0xa9/0xd0 [ 172.952681] ? save_stack+0x43/0xd0 [ 172.956303] ? __kasan_slab_free+0x102/0x150 [ 172.960699] lock_acquire+0x1ed/0x520 [ 172.964498] ? psock_map_pop.isra.22+0x93/0x3b0 [ 172.969180] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.974536] ? lock_release+0x970/0x970 [ 172.978508] ? trace_hardirqs_on+0x310/0x310 [ 172.982926] ? kasan_check_write+0x14/0x20 [ 172.987151] _raw_spin_lock_bh+0x31/0x40 [ 172.991197] ? psock_map_pop.isra.22+0x93/0x3b0 [ 172.995856] psock_map_pop.isra.22+0x93/0x3b0 [ 173.000347] ? trace_hardirqs_on+0xbd/0x310 [ 173.004671] ? smap_list_map_remove+0x360/0x360 [ 173.009345] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 173.014805] ? __kasan_slab_free+0x119/0x150 [ 173.019225] ? bpf_tcp_close+0x6c2/0x10c0 [ 173.023382] bpf_tcp_close+0x6ca/0x10c0 [ 173.027357] ? tcp_check_oom+0x530/0x530 [ 173.031442] ? sock_hash_free+0x6a0/0x6a0 [ 173.035619] ? lock_release+0x970/0x970 [ 173.039603] ? arch_local_save_flags+0x40/0x40 [ 173.044195] ? graph_lock+0x170/0x170 [ 173.048000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.053543] ? ipv6_sock_ac_close+0x34f/0x470 [ 173.058054] ? ipv6_sock_mc_close+0x162/0x1d0 [ 173.062562] ? ip_mc_drop_socket+0x20b/0x270 [ 173.066976] ? down_write+0x8a/0x130 [ 173.070693] inet_release+0x104/0x1f0 [ 173.074491] inet6_release+0x50/0x70 [ 173.078216] __sock_release+0xd7/0x250 [ 173.082106] ? __sock_release+0x250/0x250 [ 173.086268] sock_close+0x19/0x20 [ 173.089725] __fput+0x385/0xa30 [ 173.093004] ? get_max_files+0x20/0x20 [ 173.096890] ? trace_hardirqs_on+0xbd/0x310 [ 173.101211] ? kasan_check_read+0x11/0x20 [ 173.105353] ? task_work_run+0x1af/0x2a0 [ 173.109414] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 173.114873] ? kasan_check_write+0x14/0x20 [ 173.119110] ? do_raw_spin_lock+0xc1/0x200 [ 173.123345] ____fput+0x15/0x20 [ 173.126624] task_work_run+0x1e8/0x2a0 [ 173.130513] ? task_work_cancel+0x240/0x240 [ 173.134832] ? copy_fd_bitmaps+0x210/0x210 [ 173.139079] ? do_syscall_64+0x9a/0x820 [ 173.143055] exit_to_usermode_loop+0x318/0x380 [ 173.147676] ? syscall_slow_exit_work+0x520/0x520 [ 173.152527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.158077] do_syscall_64+0x6be/0x820 [ 173.161964] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 173.167327] ? syscall_return_slowpath+0x5e0/0x5e0 [ 173.172293] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 173.177134] ? trace_hardirqs_off+0x300/0x300 [ 173.181638] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 173.186666] ? prepare_exit_to_usermode+0x291/0x3b0 [ 173.191681] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 173.196526] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.201734] RIP: 0033:0x4063c1 [ 173.204938] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 b4 17 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 173.223834] RSP: 002b:00007ffdfa87cf10 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 173.231531] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00000000004063c1 [ 173.238801] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000000003 [ 173.246072] RBP: 00000000006ddc30 R08: 00000000006ddc30 R09: 0000000000406c00 [ 173.253346] R10: 00007ffdfa87cf30 R11: 0000000000000293 R12: 00000000006ddc3c [ 173.260616] R13: 00000000000003e8 R14: 0000000000000004 R15: 000000000000002d [ 173.267897] [ 173.269506] Allocated by task 16796: [ 173.273214] save_stack+0x43/0xd0 [ 173.276673] kasan_kmalloc+0xc7/0xe0 [ 173.280388] kmem_cache_alloc_node_trace+0x14c/0x740 [ 173.285489] __sock_map_ctx_update_elem.isra.23+0x7a9/0x12f0 [ 173.291277] sock_map_ctx_update_elem.isra.24+0x1a3/0xbe0 [ 173.296804] sock_map_update_elem+0x22a/0x5a0 [ 173.301311] map_update_elem+0x753/0xd50 [ 173.305368] __x64_sys_bpf+0x32d/0x510 [ 173.309255] do_syscall_64+0x1b9/0x820 [ 173.313134] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.318307] [ 173.319951] Freed by task 14: [ 173.323050] save_stack+0x43/0xd0 [ 173.326507] __kasan_slab_free+0x102/0x150 [ 173.330737] kasan_slab_free+0xe/0x10 [ 173.334525] kfree+0xcf/0x230 [ 173.337615] smap_gc_work+0x910/0xc70 [ 173.341401] process_one_work+0xc90/0x1b90 [ 173.345629] worker_thread+0x17f/0x1390 [ 173.349588] kthread+0x35a/0x420 [ 173.352961] ret_from_fork+0x3a/0x50 [ 173.356656] [ 173.358275] The buggy address belongs to the object at ffff8801be270940 [ 173.358275] which belongs to the cache kmalloc-1024 of size 1024 [ 173.371118] The buggy address is located 584 bytes inside of [ 173.371118] 1024-byte region [ffff8801be270940, ffff8801be270d40) [ 173.383070] The buggy address belongs to the page: [ 173.387999] page:ffffea0006f89c00 count:1 mapcount:0 mapping:ffff8801da800ac0 index:0x0 compound_mapcount: 0 [ 173.397950] flags: 0x2fffc0000008100(slab|head) [ 173.402615] raw: 02fffc0000008100 ffffea0006fa1408 ffffea0006f8ea08 ffff8801da800ac0 [ 173.410503] raw: 0000000000000000 ffff8801be270040 0000000100000007 0000000000000000 [ 173.418382] page dumped because: kasan: bad access detected [ 173.424091] [ 173.425711] Memory state around the buggy address: [ 173.430644] ffff8801be270a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 173.437987] ffff8801be270b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 173.445329] >ffff8801be270b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 173.452672] ^ [ 173.456288] ffff8801be270c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 173.463649] ffff8801be270c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 173.471004] ================================================================== [ 173.478780] Disabling lock debugging due to kernel taint [ 173.484252] Kernel panic - not syncing: panic_on_warn set ... [ 173.484252] [ 173.491622] CPU: 0 PID: 16792 Comm: syz-executor843 Tainted: G B 4.19.0-rc2+ #51 [ 173.500456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.509842] Call Trace: [ 173.512422] dump_stack+0x1c4/0x2b4 [ 173.516037] ? dump_stack_print_info.cold.2+0x52/0x52 [ 173.521222] ? lock_downgrade+0x900/0x900 [ 173.525362] panic+0x238/0x4e7 [ 173.528541] ? add_taint.cold.5+0x16/0x16 [ 173.532679] ? add_taint.cold.5+0x5/0x16 [ 173.536727] ? trace_hardirqs_off+0xaf/0x300 [ 173.541128] kasan_end_report+0x47/0x4f [ 173.545089] kasan_report.cold.9+0x76/0x309 [ 173.549396] ? __lock_acquire+0x37c2/0x4ec0 [ 173.553712] __asan_report_load8_noabort+0x14/0x20 [ 173.558641] __lock_acquire+0x37c2/0x4ec0 [ 173.562778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.568329] ? mark_held_locks+0x130/0x130 [ 173.572554] ? is_bpf_text_address+0xac/0x170 [ 173.577037] ? lock_downgrade+0x900/0x900 [ 173.581204] ? check_preemption_disabled+0x48/0x200 [ 173.586234] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 173.592032] ? kasan_check_read+0x11/0x20 [ 173.596168] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 173.601432] ? rcu_bh_qs+0xc0/0xc0 [ 173.604958] ? rcu_bh_qs+0xc0/0xc0 [ 173.608486] ? unwind_dump+0x190/0x190 [ 173.612364] ? is_bpf_text_address+0xd3/0x170 [ 173.616862] ? kernel_text_address+0x79/0xf0 [ 173.621284] ? __kernel_text_address+0xd/0x40 [ 173.625774] ? unwind_get_return_address+0x61/0xa0 [ 173.630693] ? __save_stack_trace+0x8d/0xf0 [ 173.635011] ? save_stack+0xa9/0xd0 [ 173.638626] ? save_stack+0x43/0xd0 [ 173.642242] ? __kasan_slab_free+0x102/0x150 [ 173.646656] lock_acquire+0x1ed/0x520 [ 173.650448] ? psock_map_pop.isra.22+0x93/0x3b0 [ 173.655103] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.660452] ? lock_release+0x970/0x970 [ 173.664433] ? trace_hardirqs_on+0x310/0x310 [ 173.668850] ? kasan_check_write+0x14/0x20 [ 173.673099] _raw_spin_lock_bh+0x31/0x40 [ 173.677144] ? psock_map_pop.isra.22+0x93/0x3b0 [ 173.681797] psock_map_pop.isra.22+0x93/0x3b0 [ 173.686308] ? trace_hardirqs_on+0xbd/0x310 [ 173.690626] ? smap_list_map_remove+0x360/0x360 [ 173.695308] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 173.700745] ? __kasan_slab_free+0x119/0x150 [ 173.705154] ? bpf_tcp_close+0x6c2/0x10c0 [ 173.709295] bpf_tcp_close+0x6ca/0x10c0 [ 173.713266] ? tcp_check_oom+0x530/0x530 [ 173.717350] ? sock_hash_free+0x6a0/0x6a0 [ 173.721501] ? lock_release+0x970/0x970 [ 173.725483] ? arch_local_save_flags+0x40/0x40 [ 173.730078] ? graph_lock+0x170/0x170 [ 173.733877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.739403] ? ipv6_sock_ac_close+0x34f/0x470 [ 173.743886] ? ipv6_sock_mc_close+0x162/0x1d0 [ 173.748380] ? ip_mc_drop_socket+0x20b/0x270 [ 173.752787] ? down_write+0x8a/0x130 [ 173.756488] inet_release+0x104/0x1f0 [ 173.760287] inet6_release+0x50/0x70 [ 173.763990] __sock_release+0xd7/0x250 [ 173.767867] ? __sock_release+0x250/0x250 [ 173.772012] sock_close+0x19/0x20 [ 173.775459] __fput+0x385/0xa30 [ 173.778724] ? get_max_files+0x20/0x20 [ 173.782599] ? trace_hardirqs_on+0xbd/0x310 [ 173.786926] ? kasan_check_read+0x11/0x20 [ 173.791093] ? task_work_run+0x1af/0x2a0 [ 173.795155] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 173.800590] ? kasan_check_write+0x14/0x20 [ 173.804816] ? do_raw_spin_lock+0xc1/0x200 [ 173.809060] ____fput+0x15/0x20 [ 173.812337] task_work_run+0x1e8/0x2a0 [ 173.816238] ? task_work_cancel+0x240/0x240 [ 173.820570] ? copy_fd_bitmaps+0x210/0x210 [ 173.824816] ? do_syscall_64+0x9a/0x820 [ 173.828777] exit_to_usermode_loop+0x318/0x380 [ 173.833371] ? syscall_slow_exit_work+0x520/0x520 [ 173.838214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 173.843740] do_syscall_64+0x6be/0x820 [ 173.847616] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 173.852980] ? syscall_return_slowpath+0x5e0/0x5e0 [ 173.857929] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 173.862784] ? trace_hardirqs_off+0x300/0x300 [ 173.867283] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 173.872292] ? prepare_exit_to_usermode+0x291/0x3b0 [ 173.877326] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 173.882170] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.887370] RIP: 0033:0x4063c1 [ 173.890570] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 b4 17 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 173.909455] RSP: 002b:00007ffdfa87cf10 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 173.917167] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00000000004063c1 [ 173.924455] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000000003 [ 173.931744] RBP: 00000000006ddc30 R08: 00000000006ddc30 R09: 0000000000406c00 [ 173.939001] R10: 00007ffdfa87cf30 R11: 0000000000000293 R12: 00000000006ddc3c [ 173.946257] R13: 00000000000003e8 R14: 0000000000000004 R15: 000000000000002d [ 173.953865] Dumping ftrace buffer: [ 173.957393] (ftrace buffer empty) [ 173.961767] Kernel Offset: disabled [ 173.965390] Rebooting in 86400 seconds..