[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 16.484302] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 16.966469] random: sshd: uninitialized urandom read (32 bytes read) [ 17.247337] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 17.972979] random: sshd: uninitialized urandom read (32 bytes read) [ 108.347701] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.38' (ECDSA) to the list of known hosts. [ 113.783154] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 113.872434] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 144.344488] ================================================================== [ 144.346024] kasan: CONFIG_KASAN_INLINE enabled [ 144.351953] BUG: KASAN: stack-out-of-bounds in locks_remove_posix+0x787/0x890 [ 144.356502] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 144.363750] Read of size 8 at addr ffff8801b7644e18 by task syz-executor473/4469 [ 144.363762] [ 144.371148] general protection fault: 0000 [#1] SMP KASAN [ 144.378657] CPU: 1 PID: 4469 Comm: syz-executor473 Not tainted 4.18.0-rc3+ #58 [ 144.380258] CPU: 0 PID: 17562 Comm: syz-executor473 Not tainted 4.18.0-rc3+ #58 [ 144.385765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.393091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.393110] RIP: 0010:hrtimer_active+0x1fb/0x440 [ 144.400529] Call Trace: [ 144.409866] Code: [ 144.419207] dump_stack+0x1c9/0x2b4 [ 144.424030] ff [ 144.426600] ? dump_stack_print_info.cold.2+0x52/0x52 [ 144.428721] 80 [ 144.432336] ? printk+0xa7/0xcf [ 144.434191] 38 [ 144.439371] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 144.441226] 00 [ 144.444489] ? locks_remove_posix+0x787/0x890 [ 144.446343] 0f [ 144.451090] print_address_description+0x6c/0x20b [ 144.452944] 85 [ 144.457423] ? locks_remove_posix+0x787/0x890 [ 144.459280] f3 [ 144.464110] kasan_report.cold.7+0x242/0x2fe [ 144.465964] 01 [ 144.470448] __asan_report_load8_noabort+0x14/0x20 [ 144.472306] 00 [ 144.476707] locks_remove_posix+0x787/0x890 [ 144.478567] 00 48 [ 144.483495] ? do_lock_file_wait.part.33+0x260/0x260 [ 144.485349] 8b [ 144.489659] ? lock_acquire+0x1e4/0x540 [ 144.491772] 85 [ 144.496859] ? percpu_counter_add_batch+0xed/0x150 [ 144.498709] f0 fe [ 144.502680] ? lock_downgrade+0x8f0/0x8f0 [ 144.504543] ff [ 144.509459] ? kasan_check_read+0x11/0x20 [ 144.511570] ff 4c [ 144.515705] ? exit_sem+0x827/0x16b5 [ 144.517562] 8d [ 144.521700] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 144.523817] 6b [ 144.527524] ? kasan_check_write+0x14/0x20 [ 144.529381] 10 [ 144.533951] ? trace_hardirqs_on+0xd/0x10 [ 144.535813] 48 [ 144.540030] ? copy_semundo+0x360/0x360 [ 144.541884] 89 [ 144.546014] ? percpu_counter_add_batch+0xf2/0x150 [ 144.547865] 9d [ 144.551825] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 144.553677] 58 [ 144.558587] ? m_show+0x5d0/0x5d0 [ 144.560452] ff [ 144.565971] ? set_mm_exe_file+0x170/0x200 [ 144.567824] ff [ 144.571261] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 144.573112] ff [ 144.577330] ? dnotify_flush+0x81/0x2e0 [ 144.579198] c6 [ 144.584726] filp_close+0x1bb/0x250 [ 144.586589] 00 [ 144.590544] ? file_path+0x30/0x30 [ 144.592429] f8 [ 144.596045] ? exit_files+0x7b/0xb0 [ 144.597904] 4c [ 144.601436] ? lock_downgrade+0x8f0/0x8f0 [ 144.603291] 89 [ 144.606904] put_files_struct+0x26f/0x3a0 [ 144.608778] e8 [ 144.612917] ? get_files_struct+0x80/0x80 [ 144.614770] 48 [ 144.618903] ? kasan_check_write+0x14/0x20 [ 144.620754] c1 [ 144.624897] ? do_raw_spin_lock+0xc1/0x200 [ 144.626754] e8 [ 144.630987] exit_files+0x83/0xb0 [ 144.632844] 03 [ 144.637060] do_exit+0xf61/0x2750 [ 144.638919] 41 [ 144.642353] ? mm_update_next_owner+0x9a0/0x9a0 [ 144.644210] c6 [ 144.647646] ? profiling_store+0xd0/0xd0 [ 144.649499] 06 [ 144.654238] ? kasan_check_write+0x14/0x20 [ 144.656180] 04 [ 144.660222] ? do_raw_spin_lock+0xc1/0x200 [ 144.662077] <42> [ 144.666302] ? do_coredump+0x477/0x3fff [ 144.668155] 0f [ 144.672370] ? kasan_check_write+0x14/0x20 [ 144.674402] b6 [ 144.678357] ? do_raw_spin_lock+0xc1/0x200 [ 144.680210] 14 [ 144.684428] ? _raw_read_unlock_irqrestore+0x90/0xc0 [ 144.686284] 38 [ 144.690505] ? dump_align+0xa0/0xa0 [ 144.692363] 4c [ 144.697447] ? save_stack+0xa9/0xd0 [ 144.699299] 89 [ 144.702933] ? save_stack+0x43/0xd0 [ 144.704790] e8 [ 144.708401] ? __kasan_slab_free+0x11a/0x170 [ 144.710265] 83 [ 144.713882] ? kasan_slab_free+0xe/0x10 [ 144.715737] e0 [ 144.720125] ? kmem_cache_free+0x86/0x2d0 [ 144.721979] 07 [ 144.725936] ? __sigqueue_free.part.29+0x7d/0xa0 [ 144.727789] 83 [ 144.731916] ? __dequeue_signal+0x530/0x7d0 [ 144.733771] c0 [ 144.738507] ? dequeue_signal+0xbc/0x620 [ 144.740372] 03 [ 144.744673] ? get_signal+0x3f1/0x1970 [ 144.746544] 38 [ 144.750587] ? do_signal+0x9c/0x21c0 [ 144.752440] d0 [ 144.756310] ? exit_to_usermode_loop+0x2e0/0x370 [ 144.758173] 7c [ 144.761870] ? prepare_exit_to_usermode+0x342/0x3b0 [ 144.763723] 08 [ 144.768465] ? kasan_check_read+0x11/0x20 [ 144.770318] 84 [ 144.775315] ? do_raw_spin_unlock+0xa7/0x2f0 [ 144.777170] d2 [ 144.781299] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 144.783153] 0f [ 144.787543] ? kasan_check_write+0x14/0x20 [ 144.789405] 85 [ 144.793969] ? do_raw_spin_lock+0xc1/0x200 [ 144.800060] ? trace_hardirqs_off+0xd/0x10 [ 144.801918] RSP: 0018:ffff8801dae07850 EFLAGS: 00010002 [ 144.806133] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 144.815691] ? trace_hardirqs_off+0xd/0x10 [ 144.820763] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff8158c5a9 [ 144.824974] ? quarantine_put+0x10d/0x1b0 [ 144.832215] RDX: 0000000000010000 RSI: ffffffff816a4140 RDI: ffff8801b688e3d0 [ 144.836349] ? __kasan_slab_free+0x131/0x170 [ 144.843604] RBP: ffff8801dae07990 R08: ffff8801dae07968 R09: fffffbfff02be35c [ 144.847989] ? trace_hardirqs_off+0xd/0x10 [ 144.855230] R10: fffffbfff02be35d R11: ffffffff815f1aeb R12: ffff8801b688d730 [ 144.859444] ? kmem_cache_free+0x22e/0x2d0 [ 144.866685] R13: 0000000000000010 R14: ffffed003b5c0f15 R15: dffffc0000000000 [ 144.870901] ? __sigqueue_free.part.29+0x7d/0xa0 [ 144.878143] FS: 00000000024e2880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 144.882874] ? __dequeue_signal+0xf9/0x7d0 [ 144.891089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 144.895304] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 144.901156] CR2: 00007f8e1116ce78 CR3: 00000001c4e12000 CR4: 00000000001406f0 [ 144.906673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 144.913914] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 144.919433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 144.926672] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 144.932193] ? proc_coredump_connector+0x4d0/0x610 [ 144.939450] Call Trace: [ 144.944363] ? lock_downgrade+0x8f0/0x8f0 [ 144.946921] [ 144.951051] ? proc_comm_connector+0x500/0x500 [ 144.953175] ? hrtimer_forward+0x2a0/0x2a0 [ 144.957818] do_group_exit+0x177/0x440 [ 144.962029] ? reweight_entity+0x1100/0x1100 [ 144.965899] ? __ia32_sys_exit+0x50/0x50 [ 144.970276] ? cpuacct_account_field+0x209/0x3b0 [ 144.974311] ? kasan_check_write+0x14/0x20 [ 144.979040] ? kvm_clock_read+0x25/0x30 [ 144.983248] ? do_raw_spin_lock+0xc1/0x200 [ 144.987205] task_tick_fair+0x60/0x320 [ 144.991414] get_signal+0x88e/0x1970 [ 144.995278] scheduler_tick+0x18b/0x430 [ 144.998964] ? ptrace_notify+0x130/0x130 [ 145.002911] ? task_sched_runtime+0x3e0/0x3e0 [ 145.006942] ? force_sig_info+0x281/0x310 [ 145.011412] ? irq_work_tick+0x15d/0x1e0 [ 145.015536] ? force_sig_info_fault.constprop.33+0x2b7/0x4a0 [ 145.019569] ? irq_work_needs_cpu+0x2c0/0x2c0 [ 145.025350] ? is_prefetch.isra.30+0x530/0x530 [ 145.029818] ? account_system_time+0x7f/0xb0 [ 145.034376] ? lock_acquire+0x1e4/0x540 [ 145.038762] ? account_process_tick+0x76/0x240 [ 145.042729] do_signal+0x9c/0x21c0 [ 145.047293] ? do_raw_spin_unlock+0xa7/0x2f0 [ 145.050810] ? debug_object_destroy+0x2b0/0x2b0 [ 145.055190] update_process_times+0x51/0x70 [ 145.059832] ? lock_acquire+0x1e4/0x540 [ 145.064129] tick_sched_handle+0x9f/0x180 [ 145.068077] ? setup_sigcontext+0x7d0/0x7d0 [ 145.072199] tick_sched_timer+0x45/0x130 [ 145.076496] ? lock_acquire+0x1e4/0x540 [ 145.080527] __hrtimer_run_queues+0x3eb/0x10c0 [ 145.084474] ? bad_area_nosemaphore+0x33/0x40 [ 145.089032] ? tick_sched_do_timer+0x1a0/0x1a0 [ 145.093510] ? lock_acquire+0x1e4/0x540 [ 145.098078] ? hrtimer_start_range_ns+0xd20/0xd20 [ 145.102036] ? lock_acquire+0x1e4/0x540 [ 145.106854] ? pvclock_read_flags+0x160/0x160 [ 145.110801] ? __do_page_fault+0x449/0xe50 [ 145.115274] ? kvm_clock_read+0x25/0x30 [ 145.119483] ? clock_was_set_work+0x30/0x30 [ 145.123437] ? kvm_clock_read+0x25/0x30 [ 145.127733] ? lock_acquire+0x1e4/0x540 [ 145.131678] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 145.135628] ? hrtimer_nanosleep+0x620/0x620 [ 145.140623] ? ktime_get_update_offsets_now+0x3db/0x5d0 [ 145.145010] exit_to_usermode_loop+0x2e0/0x370 [ 145.150350] ? do_timer+0x50/0x50 [ 145.154912] ? syscall_slow_exit_work+0x500/0x500 [ 145.158350] ? kasan_check_read+0x11/0x20 [ 145.163174] ? syscall_return_slowpath+0x5e0/0x5e0 [ 145.167298] ? rcu_nmi_exit+0xe0/0x2d0 [ 145.172211] prepare_exit_to_usermode+0x342/0x3b0 [ 145.176079] ? do_raw_spin_lock+0xc1/0x200 [ 145.180902] ? perf_trace_sys_enter+0xb10/0xb10 [ 145.185109] hrtimer_interrupt+0x2f3/0x750 [ 145.189753] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 145.193965] smp_apic_timer_interrupt+0x165/0x730 [ 145.198778] ? page_fault+0x8/0x30 [ 145.203596] ? smp_call_function_single_interrupt+0x660/0x660 [ 145.207106] retint_user+0x8/0x18 [ 145.212965] ? kvm_clock_read+0x25/0x30 [ 145.216404] RIP: 0033:lock_acquire+0x1e4/0x540 [ 145.220355] ? kvm_sched_clock_read+0x9/0x20 [ 145.224904] Code: [ 145.229292] ? sched_clock+0x31/0x40 [ 145.229300] 10 [ 145.231436] ? sched_clock_cpu+0x1b/0x180 [ 145.235115] 49 [ 145.236986] ? task_prio+0x50/0x50 [ 145.241101] c1 [ 145.242985] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 145.246496] e9 [ 145.248370] apic_timer_interrupt+0xf/0x20 [ 145.253175] 09 [ 145.255048] [ 145.259253] 41 [ 145.261123] Modules linked in: [ 145.263332] 57 [ 145.268362] 49 83 f1 [ 145.270226] Dumping ftrace buffer: [ 145.270233] 01 [ 145.272615] (ftrace buffer empty) [ 145.276145] 48 [ 145.278011] ---[ end trace e84c0149ab776256 ]--- [ 145.281693] 8b [ 145.283571] RIP: 0010:hrtimer_active+0x1fb/0x440 [ 145.288288] bd [ 145.290163] Code: [ 145.294893] 30 ff [ 145.296765] ff [ 145.298890] ff [ 145.301016] 80 [ 145.302881] ff [ 145.304745] 38 [ 145.306610] 8b [ 145.308481] 00 [ 145.310344] b5 [ 145.312213] 0f [ 145.314075] 2c [ 145.315947] 85 [ 145.317810] ff [ 145.319673] f3 [ 145.321534] ff [ 145.324441] 01 [ 145.326307] ff [ 145.328171] 00 [ 145.330036] 41 [ 145.331900] 00 [ 145.333767] 83 [ 145.335638] 48 [ 145.337500] e1 [ 145.339365] 8b [ 145.341236] 01 [ 145.343100] 85 [ 145.344962] 65 [ 145.346827] f0 fe [ 145.348700] 4c [ 145.350564] ff [ 145.352687] 8b [ 145.354556] ff [ 145.356420] 24 [ 145.358285] 4c [ 145.360146] 25 [ 145.362007] 8d [ 145.363872] 40 [ 145.365734] 6b [ 145.367601] ee [ 145.369472] 10 [ 145.371334] 01 [ 145.373200] 48 [ 145.375060] 00 [ 145.376923] 89 [ 145.378786] e8 [ 145.380647] 9d [ 145.382508] dc [ 145.384376] 58 [ 145.386239] 8e [ 145.388102] ff [ 145.389967] ff [ 145.391831] ff [ 145.393698] ff [ 145.395564] ff [ 145.397427] <49> [ 145.399288] c6 [ 145.401154] 8d [ 145.403196] 00 [ 145.405062] bc [ 145.406928] f8 [ 145.408793] 24 [ 145.410668] 4c [ 145.412542] 34 [ 145.414407] 89 [ 145.416274] 08 [ 145.418148] e8 [ 145.420014] 00 [ 145.421883] 48 [ 145.423745] 00 [ 145.425614] c1 e8 [ 145.427485] 48 [ 145.429357] 03 [ 145.431482] b8 [ 145.433353] 41 [ 145.435219] 00 [ 145.437083] c6 [ 145.438945] 00 [ 145.440810] 06 [ 145.442671] 00 00 [ 145.444543] 04 [ 145.446407] 00 [ 145.448533] <42> [ 145.450400] fc [ 145.452262] 0f [ 145.454302] ff [ 145.456175] b6 [ 145.458035] df 48 [ 145.459907] 14 [ 145.461777] 89 [ 145.463902] 38 [ 145.465778] fa [ 145.467640] 4c 89 [ 145.469513] 48 [ 145.471405] e8 [ 145.475391] 83 [ 145.477256] RSP: 002b:00007ffe727cd790 EFLAGS: 00010217 [ 145.477264] e0 [ 145.484483] 07 [ 145.486434] RAX: 0000000000000000 RBX: 00007ffe727cd8c0 RCX: 0000000000473990 [ 145.486442] 83 [ 145.488311] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffe727cd790 [ 145.495566] c0 [ 145.497437] RBP: 0000000000001eb0 R08: 0000000000000001 R09: 00000000024e2880 [ 145.504690] 03 [ 145.506577] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000001eb0 [ 145.513826] 38 d0 [ 145.515716] R13: 00000000000233be R14: 00007ffe727cd8e8 R15: 0000000000000003 [ 145.522971] 7c [ 145.525113] [ 145.532358] 08 [ 145.534226] Allocated by task 4466: [ 145.535824] 84 [ 145.537707] save_stack+0x43/0xd0 [ 145.541297] d2 [ 145.543171] kasan_kmalloc+0xc4/0xe0 [ 145.546587] 0f [ 145.548457] kasan_slab_alloc+0x12/0x20 [ 145.552136] 85 [ 145.554007] kmem_cache_alloc+0x12e/0x760 [ 145.559819] __d_alloc+0xc8/0xd50 [ 145.563936] RSP: 0018:ffff8801dae07850 EFLAGS: 00010002 [ 145.567365] d_alloc_pseudo+0x1d/0x30 [ 145.572716] create_pipe_files+0x42c/0x950 [ 145.576510] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff8158c5a9 [ 145.580721] __do_pipe_flags+0x45/0x250 [ 145.587963] RDX: 0000000000010000 RSI: ffffffff816a4140 RDI: ffff8801b688e3d0 [ 145.591919] do_pipe2+0x9d/0x310 [ 145.599163] RBP: ffff8801dae07990 R08: ffff8801dae07968 R09: fffffbfff02be35c [ 145.602505] __x64_sys_pipe+0x33/0x40 [ 145.609762] R10: fffffbfff02be35d R11: ffffffff815f1aeb R12: ffff8801b688d730 [ 145.613555] do_syscall_64+0x1b9/0x820 [ 145.620806] R13: 0000000000000010 R14: ffffed003b5c0f15 R15: dffffc0000000000 [ 145.624679] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 145.631947] FS: 00000000024e2880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 145.637109] [ 145.645310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 145.645324] CR2: 00007f8e1116ce78 CR3: 00000001c4e12000 CR4: 00000000001406f0 [ 145.646938] Freed by task 0: [ 145.652796] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 145.660038] (stack is not available) [ 145.663035] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 145.670275] [ 145.673962] Kernel panic - not syncing: Fatal exception in interrupt [ 145.681213] The buggy address belongs to the object at ffff8801b7644dc0 [ 145.681213] which belongs to the cache dentry of size 288 [ 145.701494] The buggy address is located 88 bytes inside of [ 145.701494] 288-byte region [ffff8801b7644dc0, ffff8801b7644ee0) [ 145.713522] The buggy address belongs to the page: [ 145.718957] page:ffffea0006dd9100 count:1 mapcount:0 mapping:ffff8801da987c40 index:0xffff8801b76446e0 [ 145.728384] flags: 0x2fffc0000000100(slab) [ 145.732606] raw: 02fffc0000000100 ffffea0006dd9188 ffffea0006dd9008 ffff8801da987c40 [ 145.740472] raw: ffff8801b76446e0 ffff8801b7644000 000000010000000a 0000000000000000 [ 145.749214] page dumped because: kasan: bad access detected [ 145.754904] [ 145.756510] Memory state around the buggy address: [ 145.761418] ffff8801b7644d00: f2 00 f2 f2 f2 00 00 00 00 00 00 00 00 00 00 00 [ 145.768758] ffff8801b7644d80: 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 f2 [ 145.776097] >ffff8801b7644e00: f2 f2 f2 f2 f2 f2 00 f2 f2 f2 f2 f2 f2 f2 00 f2 [ 145.783430] ^ [ 145.787555] ffff8801b7644e80: f2 f2 f2 f2 f2 f2 f8 f2 f2 f2 f2 f2 f2 f2 00 f2 [ 145.794891] ffff8801b7644f00: f2 f2 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 145.802234] ================================================================== [ 145.810035] Dumping ftrace buffer: [ 145.813563] (ftrace buffer empty) [ 145.817253] Kernel Offset: disabled [ 145.820857] Rebooting in 86400 seconds..