[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 68.879604][ T27] audit: type=1800 audit(1576807307.266:25): pid=9353 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 68.912897][ T27] audit: type=1800 audit(1576807307.266:26): pid=9353 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 68.962861][ T27] audit: type=1800 audit(1576807307.266:27): pid=9353 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.2' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 82.261758][ T9516] sp0: Synchronizing with TNC executing program executing program executing program executing program executing program executing program [ 82.285291][ T9516] [U] è executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 87.322925][ C0] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:935 [ 87.332509][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 13403, name: syz-executor399 [ 87.342152][ C0] 1 lock held by syz-executor399/13403: [ 87.347740][ C0] #0: ffffc90000007d50 ((&sp->resync_t)){+.-.}, at: call_timer_fn+0xe0/0x780 [ 87.356675][ C0] Preemption disabled at: [ 87.356694][ C0] [] __do_softirq+0xf3/0x98c executing program executing program executing program executing program [ 87.367287][ C0] CPU: 0 PID: 13403 Comm: syz-executor399 Not tainted 5.5.0-rc2-next-20191219-syzkaller #0 [ 87.377264][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.387322][ C0] Call Trace: [ 87.390638][ C0] [ 87.393507][ C0] dump_stack+0x197/0x210 [ 87.397947][ C0] ? __do_softirq+0xf3/0x98c [ 87.402555][ C0] ___might_sleep.cold+0x1fb/0x23e [ 87.407738][ C0] __might_sleep+0x95/0x190 [ 87.412296][ C0] __mutex_lock+0xc5/0x13c0 [ 87.416860][ C0] ? alloc_list_entry+0xc0/0xc0 executing program executing program executing program [ 87.421752][ C0] ? tpk_write+0x5d/0x340 [ 87.426126][ C0] ? find_first_zero_bit+0x9a/0xc0 [ 87.431251][ C0] ? mutex_trylock+0x2d0/0x2d0 [ 87.436026][ C0] ? __lock_acquire+0x29c9/0x4a00 [ 87.441114][ C0] ? debug_object_deactivate+0x1d9/0x320 [ 87.446818][ C0] mutex_lock_nested+0x16/0x20 [ 87.451625][ C0] ? mutex_lock_nested+0x16/0x20 [ 87.456901][ C0] tpk_write+0x5d/0x340 [ 87.461109][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.466719][ C0] resync_tnc+0x1b6/0x320 executing program executing program executing program executing program [ 87.471148][ C0] call_timer_fn+0x1ac/0x780 [ 87.475782][ C0] ? encode_sixpack+0x790/0x790 [ 87.480648][ C0] ? msleep_interruptible+0x150/0x150 [ 87.486039][ C0] ? run_timer_softirq+0x6b1/0x1790 [ 87.491261][ C0] ? trace_hardirqs_on+0x67/0x240 [ 87.496403][ C0] ? encode_sixpack+0x790/0x790 [ 87.501271][ C0] ? encode_sixpack+0x790/0x790 [ 87.506179][ C0] run_timer_softirq+0x6c3/0x1790 [ 87.511262][ C0] ? add_timer+0x940/0x940 executing program executing program executing program [ 87.518915][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 87.525093][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.530672][ C0] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 87.536676][ C0] ? trace_hardirqs_on+0x67/0x240 [ 87.541719][ C0] __do_softirq+0x262/0x98c [ 87.546264][ C0] ? sched_clock_cpu+0x1b/0x1b0 [ 87.551149][ C0] irq_exit+0x19b/0x1e0 [ 87.555331][ C0] smp_apic_timer_interrupt+0x1a3/0x610 [ 87.560893][ C0] apic_timer_interrupt+0xf/0x20 [ 87.566040][ C0] executing program executing program executing program executing program executing program [ 87.568996][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x4b/0x50 [ 87.575188][ C0] Code: 90 88 13 00 00 83 fa 02 75 20 48 8b 88 90 13 00 00 8b 80 8c 13 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 <5d> c3 0f 1f 00 65 4c 8b 04 25 c0 1e 02 00 65 8b 05 c8 ca 8c 7e a9 [ 87.594818][ C0] RSP: 0018:ffffc9000fd9fd08 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 87.603241][ C0] RAX: ffff88801e202040 RBX: 0000000000000000 RCX: ffffffff81c210c5 [ 87.611312][ C0] RDX: 0000000000000000 RSI: ffffffff81c210ce RDI: 0000000000000005 executing program executing program executing program executing program [ 87.619301][ C0] RBP: ffffc9000fd9fd08 R08: ffff88801e202040 R09: ffff88801e2028d8 [ 87.627290][ C0] R10: fffffbfff1502c90 R11: ffffffff8a816487 R12: ffff88801e258040 [ 87.635451][ C0] R13: 0000000000000003 R14: ffff8880a4f7e2c0 R15: ffff888092a7f6d0 [ 87.643460][ C0] ? putname+0x65/0x130 [ 87.647637][ C0] ? putname+0x6e/0x130 [ 87.651856][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.658144][ C0] putname+0x6e/0x130 [ 87.662164][ C0] do_sys_openat2+0x510/0x840 [ 87.666865][ C0] ? chown_common+0x5c0/0x5c0 executing program executing program executing program executing program [ 87.671558][ C0] ? __kasan_check_write+0x14/0x20 [ 87.676694][ C0] ? up_read+0x1cd/0x810 [ 87.680956][ C0] do_sys_open+0xfc/0x190 [ 87.686254][ C0] ? filp_open+0x80/0x80 [ 87.690542][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 87.696100][ C0] ? do_syscall_64+0x26/0x790 [ 87.700805][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.706891][ C0] ? do_syscall_64+0x26/0x790 [ 87.711599][ C0] __x64_sys_open+0x7e/0xc0 [ 87.716126][ C0] do_syscall_64+0xfa/0x790 executing program executing program executing program [ 87.720652][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.726555][ C0] RIP: 0033:0x405680 [ 87.730468][ C0] Code: 01 f0 ff ff 0f 83 d0 18 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d ad c4 2d 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 a4 18 00 00 c3 48 83 ec 08 e8 0a fc ff ff [ 87.750257][ C0] RSP: 002b:00007ffeafa48ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 87.758704][ C0] RAX: ffffffffffffffda RBX: 00007ffeafa48cd4 RCX: 0000000000405680 [ 87.766691][ C0] RDX: 00007ffeafa48cda RSI: 0000000000080001 RDI: 00000000004ae6a2 executing program executing program executing program executing program executing program [ 87.774807][ C0] RBP: 00007ffeafa48cd0 R08: 0000000000000000 R09: 0000000000000004 [ 87.782817][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004073b0 [ 87.790821][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 87.798885][ C0] [ 87.801230][ C0] ================================ [ 87.806361][ C0] WARNING: inconsistent lock state [ 87.811476][ C0] 5.5.0-rc2-next-20191219-syzkaller #0 Tainted: G W [ 87.819353][ C0] -------------------------------- executing program executing program executing program executing program executing program [ 87.824455][ C0] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 87.831304][ C0] syz-executor399/13403 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 87.838175][ C0] ffffffff8c128870 (&tpk_port.port_write_mutex){+.?.}, at: tpk_write+0x5d/0x340 [ 87.847211][ C0] {SOFTIRQ-ON-W} state was registered at: [ 87.852957][ C0] lock_acquire+0x190/0x410 [ 87.857588][ C0] __mutex_lock+0x156/0x13c0 [ 87.862289][ C0] mutex_lock_nested+0x16/0x20 [ 87.867171][ C0] tpk_write+0x5d/0x340 executing program executing program executing program executing program [ 87.871677][ C0] sixpack_open+0x8d6/0xaaf [ 87.876298][ C0] tty_ldisc_open.isra.0+0xa3/0x110 [ 87.881582][ C0] tty_set_ldisc+0x30e/0x6b0 [ 87.886295][ C0] tty_ioctl+0xe8d/0x14f0 [ 87.890732][ C0] ksys_ioctl+0x123/0x180 [ 87.895201][ C0] __x64_sys_ioctl+0x73/0xb0 [ 87.899924][ C0] do_syscall_64+0xfa/0x790 [ 87.904650][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.910792][ C0] irq event stamp: 296 [ 87.914885][ C0] hardirqs last enabled at (296): [] trace_hardirqs_on_thunk+0x1a/0x1c executing program executing program executing program executing program executing program executing program [ 87.924790][ C0] hardirqs last disabled at (295): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 87.934777][ C0] softirqs last enabled at (0): [] copy_process+0x1c35/0x7220 [ 87.943946][ C0] softirqs last disabled at (221): [] irq_exit+0x19b/0x1e0 [ 87.952869][ C0] [ 87.952869][ C0] other info that might help us debug this: [ 87.960926][ C0] Possible unsafe locking scenario: [ 87.960926][ C0] [ 87.968395][ C0] CPU0 [ 87.971679][ C0] ---- executing program executing program executing program executing program [ 87.974954][ C0] lock(&tpk_port.port_write_mutex); [ 87.980328][ C0] [ 87.983785][ C0] lock(&tpk_port.port_write_mutex); [ 87.989429][ C0] [ 87.989429][ C0] *** DEADLOCK *** [ 87.989429][ C0] [ 87.997580][ C0] 1 lock held by syz-executor399/13403: [ 88.003119][ C0] #0: ffffc90000007d50 ((&sp->resync_t)){+.-.}, at: call_timer_fn+0xe0/0x780 [ 88.011982][ C0] [ 88.011982][ C0] stack backtrace: executing program executing program executing program executing program executing program executing program [ 88.017882][ C0] CPU: 0 PID: 13403 Comm: syz-executor399 Tainted: G W 5.5.0-rc2-next-20191219-syzkaller #0 [ 88.029236][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.039297][ C0] Call Trace: [ 88.042576][ C0] [ 88.045440][ C0] dump_stack+0x197/0x210 [ 88.049784][ C0] print_usage_bug.cold+0x327/0x378 [ 88.055075][ C0] mark_lock+0xbb4/0x1220 [ 88.059408][ C0] ? check_usage_backwards+0x330/0x330 [ 88.064877][ C0] __lock_acquire+0x1e8e/0x4a00 [ 88.069740][ C0] ? __this_cpu_preempt_check+0x35/0x190 executing program executing program executing program executing program executing program [ 88.075393][ C0] ? retint_kernel+0x2b/0x2b [ 88.080000][ C0] ? mark_held_locks+0xf0/0xf0 [ 88.084779][ C0] lock_acquire+0x190/0x410 [ 88.089288][ C0] ? tpk_write+0x5d/0x340 [ 88.093625][ C0] __mutex_lock+0x156/0x13c0 [ 88.098565][ C0] ? tpk_write+0x5d/0x340 [ 88.102891][ C0] ? alloc_list_entry+0xc0/0xc0 [ 88.107752][ C0] ? tpk_write+0x5d/0x340 [ 88.112085][ C0] ? find_first_zero_bit+0x9a/0xc0 [ 88.117211][ C0] ? mutex_trylock+0x2d0/0x2d0 executing program executing program executing program executing program executing program executing program [ 88.122014][ C0] ? __lock_acquire+0x29c9/0x4a00 [ 88.127044][ C0] ? debug_object_deactivate+0x1d9/0x320 [ 88.132688][ C0] mutex_lock_nested+0x16/0x20 [ 88.137453][ C0] ? mutex_lock_nested+0x16/0x20 [ 88.142393][ C0] tpk_write+0x5d/0x340 [ 88.146686][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.152271][ C0] resync_tnc+0x1b6/0x320 [ 88.156620][ C0] call_timer_fn+0x1ac/0x780 [ 88.161241][ C0] ? encode_sixpack+0x790/0x790 [ 88.166187][ C0] ? msleep_interruptible+0x150/0x150 [ 88.171559][ C0] ? run_timer_softirq+0x6b1/0x1790 executing program executing program executing program executing program [ 88.176784][ C0] ? trace_hardirqs_on+0x67/0x240 [ 88.181817][ C0] ? encode_sixpack+0x790/0x790 [ 88.186677][ C0] ? encode_sixpack+0x790/0x790 [ 88.191544][ C0] run_timer_softirq+0x6c3/0x1790 [ 88.196604][ C0] ? add_timer+0x940/0x940 [ 88.201025][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 88.207189][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.212739][ C0] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 88.218741][ C0] ? trace_hardirqs_on+0x67/0x240 executing program executing program executing program executing program executing program executing program [ 88.224068][ C0] __do_softirq+0x262/0x98c [ 88.228575][ C0] ? sched_clock_cpu+0x1b/0x1b0 [ 88.233454][ C0] irq_exit+0x19b/0x1e0 [ 88.237610][ C0] smp_apic_timer_interrupt+0x1a3/0x610 [ 88.243157][ C0] apic_timer_interrupt+0xf/0x20 [ 88.248089][ C0] [ 88.251035][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x4b/0x50 [ 88.257193][ C0] Code: 90 88 13 00 00 83 fa 02 75 20 48 8b 88 90 13 00 00 8b 80 8c 13 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 <5d> c3 0f 1f 00 65 4c 8b 04 25 c0 1e 02 00 65 8b 05 c8 ca 8c 7e a9 executing program executing program executing program executing program executing program [ 88.276801][ C0] RSP: 0018:ffffc9000fd9fd08 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 88.285217][ C0] RAX: ffff88801e202040 RBX: 0000000000000000 RCX: ffffffff81c210c5 [ 88.293191][ C0] RDX: 0000000000000000 RSI: ffffffff81c210ce RDI: 0000000000000005 [ 88.301173][ C0] RBP: ffffc9000fd9fd08 R08: ffff88801e202040 R09: ffff88801e2028d8 [ 88.309143][ C0] R10: fffffbfff1502c90 R11: ffffffff8a816487 R12: ffff88801e258040 [ 88.317123][ C0] R13: 0000000000000003 R14: ffff8880a4f7e2c0 R15: ffff888092a7f6d0 executing program executing program executing program executing program executing program executing program [ 88.325195][ C0] ? putname+0x65/0x130 [ 88.329353][ C0] ? putname+0x6e/0x130 [ 88.333517][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.339766][ C0] putname+0x6e/0x130 [ 88.343765][ C0] do_sys_openat2+0x510/0x840 [ 88.348456][ C0] ? chown_common+0x5c0/0x5c0 [ 88.353227][ C0] ? __kasan_check_write+0x14/0x20 [ 88.358354][ C0] ? up_read+0x1cd/0x810 [ 88.362607][ C0] do_sys_open+0xfc/0x190 [ 88.366959][ C0] ? filp_open+0x80/0x80 [ 88.371206][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c executing program executing program executing program executing program executing program executing program [ 88.376672][ C0] ? do_syscall_64+0x26/0x790 [ 88.381365][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.387443][ C0] ? do_syscall_64+0x26/0x790 [ 88.392128][ C0] __x64_sys_open+0x7e/0xc0 [ 88.396638][ C0] do_syscall_64+0xfa/0x790 [ 88.401153][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.407132][ C0] RIP: 0033:0x405680 executing program executing program executing program executing program executing program executing program [ 88.411054][ C0] Code: 01 f0 ff ff 0f 83 d0 18 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d ad c4 2d 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 a4 18 00 00 c3 48 83 ec 08 e8 0a fc ff ff [ 88.430655][ C0] RSP: 002b:00007ffeafa48ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 88.439092][ C0] RAX: ffffffffffffffda RBX: 00007ffeafa48cd4 RCX: 0000000000405680 [ 88.447062][ C0] RDX: 00007ffeafa48cda RSI: 0000000000080001 RDI: 00000000004ae6a2 [ 88.455036][ C0] RBP: 00007ffeafa48cd0 R08: 0000000000000000 R09: 0000000000000004 [ 88.463021][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004073b0 executing program executing program executing program [ 88.471000][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 88.479020][ C0] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:935 [ 88.483566][T13938] [U] ` [ 88.488336][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 13403, name: syz-executor399 [ 88.500664][ C0] INFO: lockdep is turned off. [ 88.505447][ C0] Preemption disabled at: [ 88.505467][ C0] [] __do_softirq+0xf3/0x98c [ 88.516660][ C0] CPU: 0 PID: 13403 Comm: syz-executor399 Tainted: G W 5.5.0-rc2-next-20191219-syzkaller #0 executing program executing program executing program executing program executing program executing program executing program executing program [ 88.528464][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.538520][ C0] Call Trace: [ 88.541800][ C0] [ 88.544667][ C0] dump_stack+0x197/0x210 [ 88.549008][ C0] ? __do_softirq+0xf3/0x98c [ 88.553606][ C0] ___might_sleep.cold+0x1fb/0x23e [ 88.558728][ C0] __might_sleep+0x95/0x190 [ 88.563243][ C0] ? tpk_write+0x2a6/0x340 [ 88.567690][ C0] __mutex_lock+0xc5/0x13c0 [ 88.573080][ C0] ? tpk_write+0x5d/0x340 executing program executing program executing program executing program executing program executing program [ 88.578382][ C0] ? find_first_zero_bit+0x9a/0xc0 [ 88.583772][ C0] ? mutex_trylock+0x2d0/0x2d0 [ 88.588564][ C0] ? __lock_acquire+0x29c9/0x4a00 [ 88.597662][ C0] ? __kasan_check_write+0x14/0x20 [ 88.602787][ C0] ? __mutex_unlock_slowpath+0xf0/0x6a0 [ 88.608344][ C0] ? wait_for_completion+0x440/0x440 [ 88.613781][ C0] mutex_lock_nested+0x16/0x20 [ 88.618906][ C0] ? mutex_lock_nested+0x16/0x20 [ 88.623856][ C0] tpk_write+0x5d/0x340 executing program executing program executing program executing program executing program executing program executing program executing program [ 88.628023][ C0] resync_tnc+0x22e/0x320 [ 88.632363][ C0] call_timer_fn+0x1ac/0x780 [ 88.636962][ C0] ? encode_sixpack+0x790/0x790 [ 88.641823][ C0] ? msleep_interruptible+0x150/0x150 [ 88.647202][ C0] ? run_timer_softirq+0x6b1/0x1790 [ 88.652420][ C0] ? trace_hardirqs_on+0x67/0x240 [ 88.657460][ C0] ? encode_sixpack+0x790/0x790 [ 88.662332][ C0] ? encode_sixpack+0x790/0x790 [ 88.667187][ C0] run_timer_softirq+0x6c3/0x1790 [ 88.672235][ C0] ? add_timer+0x940/0x940 executing program executing program executing program executing program executing program executing program executing program [ 88.676663][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 88.682827][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.688387][ C0] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 88.694375][ C0] ? trace_hardirqs_on+0x67/0x240 [ 88.699409][ C0] __do_softirq+0x262/0x98c [ 88.703918][ C0] ? sched_clock_cpu+0x1b/0x1b0 [ 88.708780][ C0] irq_exit+0x19b/0x1e0 [ 88.712979][ C0] smp_apic_timer_interrupt+0x1a3/0x610 [ 88.718536][ C0] apic_timer_interrupt+0xf/0x20 [ 88.724336][ C0] executing program executing program executing program executing program executing program executing program executing program executing program [ 88.727309][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x4b/0x50 [ 88.733460][ C0] Code: 90 88 13 00 00 83 fa 02 75 20 48 8b 88 90 13 00 00 8b 80 8c 13 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 <5d> c3 0f 1f 00 65 4c 8b 04 25 c0 1e 02 00 65 8b 05 c8 ca 8c 7e a9 [ 88.753072][ C0] RSP: 0018:ffffc9000fd9fd08 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 88.761489][ C0] RAX: ffff88801e202040 RBX: 0000000000000000 RCX: ffffffff81c210c5 [ 88.769462][ C0] RDX: 0000000000000000 RSI: ffffffff81c210ce RDI: 0000000000000005 executing program executing program executing program executing program executing program executing program executing program executing program [ 88.777441][ C0] RBP: ffffc9000fd9fd08 R08: ffff88801e202040 R09: ffff88801e2028d8 [ 88.785420][ C0] R10: fffffbfff1502c90 R11: ffffffff8a816487 R12: ffff88801e258040 [ 88.793395][ C0] R13: 0000000000000003 R14: ffff8880a4f7e2c0 R15: ffff888092a7f6d0 [ 88.801383][ C0] ? putname+0x65/0x130 [ 88.805550][ C0] ? putname+0x6e/0x130 [ 88.809720][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.815963][ C0] putname+0x6e/0x130 [ 88.819955][ C0] do_sys_openat2+0x510/0x840 [ 88.824636][ C0] ? chown_common+0x5c0/0x5c0 executing program executing program executing program executing program executing program executing program executing program executing program [ 88.829321][ C0] ? __kasan_check_write+0x14/0x20 [ 88.834437][ C0] ? up_read+0x1cd/0x810 [ 88.838710][ C0] do_sys_open+0xfc/0x190 [ 88.843048][ C0] ? filp_open+0x80/0x80 [ 88.847292][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 88.852776][ C0] ? do_syscall_64+0x26/0x790 [ 88.857483][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.863666][ C0] ? do_syscall_64+0x26/0x790 [ 88.868349][ C0] __x64_sys_open+0x7e/0xc0 [ 88.872863][ C0] do_syscall_64+0xfa/0x790 executing program executing program executing program executing program executing program executing program [ 88.877373][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.883262][ C0] RIP: 0033:0x405680 [ 88.887158][ C0] Code: 01 f0 ff ff 0f 83 d0 18 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d ad c4 2d 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 a4 18 00 00 c3 48 83 ec 08 e8 0a fc ff ff [ 88.906784][ C0] RSP: 002b:00007ffeafa48ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 88.915540][ C0] RAX: ffffffffffffffda RBX: 00007ffeafa48cd4 RCX: 0000000000405680 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 88.923523][ C0] RDX: 00007ffeafa48cda RSI: 0000000000080001 RDI: 00000000004ae6a2 [ 88.931509][ C0] RBP: 00007ffeafa48cd0 R08: 0000000000000000 R09: 0000000000000004 [ 88.939490][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004073b0 [ 88.947467][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 88.963234][T14280] [U] è executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 94.282765][ C0] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:935 [ 94.292291][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 21362, name: syz-executor399 [ 94.301890][ C0] INFO: lockdep is turned off. [ 94.306657][ C0] Preemption disabled at: [ 94.306674][ C0] [] mm_update_next_owner+0xf4/0x7c0 [ 94.317937][ C0] CPU: 0 PID: 21362 Comm: syz-executor399 Tainted: G W 5.5.0-rc2-next-20191219-syzkaller #0 [ 94.329295][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.339346][ C0] Call Trace: [ 94.342611][ C0] [ 94.345451][ C0] dump_stack+0x197/0x210 [ 94.349764][ C0] ? mm_update_next_owner+0xf4/0x7c0 [ 94.355034][ C0] ___might_sleep.cold+0x1fb/0x23e [ 94.360123][ C0] __might_sleep+0x95/0x190 [ 94.364606][ C0] __mutex_lock+0xc5/0x13c0 [ 94.369099][ C0] ? lock_downgrade+0x920/0x920 [ 94.373939][ C0] ? tpk_write+0x5d/0x340 [ 94.378259][ C0] ? notifier_call_chain+0xc2/0x230 [ 94.383435][ C0] ? mutex_trylock+0x2d0/0x2d0 [ 94.388179][ C0] ? __kasan_check_read+0x11/0x20 [ 94.393192][ C0] ? cpuacct_account_field+0x17b/0x2f0 [ 94.398629][ C0] ? update_curr+0x3e0/0x8d0 [ 94.403197][ C0] ? __kasan_check_read+0x11/0x20 [ 94.408211][ C0] ? debug_object_deactivate+0x1d9/0x320 [ 94.413832][ C0] ? __kasan_check_read+0x11/0x20 [ 94.418838][ C0] ? mark_held_locks+0xf0/0xf0 [ 94.423580][ C0] ? __kasan_check_write+0x14/0x20 [ 94.428672][ C0] mutex_lock_nested+0x16/0x20 [ 94.433415][ C0] ? mutex_lock_nested+0x16/0x20 [ 94.438339][ C0] tpk_write+0x5d/0x340 [ 94.442472][ C0] ? lock_acquire+0x190/0x410 [ 94.447130][ C0] resync_tnc+0x1b6/0x320 [ 94.451453][ C0] call_timer_fn+0x1ac/0x780 [ 94.456033][ C0] ? encode_sixpack+0x790/0x790 [ 94.460865][ C0] ? msleep_interruptible+0x150/0x150 [ 94.466218][ C0] ? trace_hardirqs_on+0x67/0x240 [ 94.471220][ C0] ? encode_sixpack+0x790/0x790 [ 94.476049][ C0] ? encode_sixpack+0x790/0x790 [ 94.480884][ C0] run_timer_softirq+0x6c3/0x1790 [ 94.485889][ C0] ? add_timer+0x940/0x940 [ 94.490284][ C0] ? kvm_clock_read+0x18/0x30 [ 94.494953][ C0] ? kvm_sched_clock_read+0x9/0x20 [ 94.500044][ C0] ? sched_clock+0x2e/0x50 [ 94.504437][ C0] ? sched_clock_cpu+0x1b/0x1b0 [ 94.509287][ C0] ? trace_hardirqs_on+0x67/0x240 [ 94.514291][ C0] __do_softirq+0x262/0x98c [ 94.518771][ C0] ? sched_clock_cpu+0x1b/0x1b0 [ 94.523604][ C0] irq_exit+0x19b/0x1e0 [ 94.527742][ C0] smp_apic_timer_interrupt+0x1a3/0x610 [ 94.534048][ C0] apic_timer_interrupt+0xf/0x20 [ 94.538962][ C0] [ 94.541883][ C0] RIP: 0010:mm_update_next_owner+0x531/0x7c0 [ 94.547843][ C0] Code: 00 00 4c 8d a0 68 fa ff ff 49 39 c5 0f 84 d6 fe ff ff e8 52 3f 2e 00 49 8d bc 24 28 04 00 00 48 89 f8 48 c1 e8 03 80 3c 18 00 <0f> 85 99 01 00 00 4d 8b b4 24 28 04 00 00 4d 39 fe 75 91 49 89 fe [ 94.567832][ C0] RSP: 0018:ffffc9001b66fab0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 94.576239][ C0] RAX: 1ffff1101521d4b5 RBX: dffffc0000000000 RCX: ffffffff8147136a [ 94.584210][ C0] RDX: 0000000000000000 RSI: ffffffff8147140e RDI: ffff8880a90ea5a8 [ 94.592172][ C0] RBP: ffffc9001b66fb28 R08: ffff888097ebc0c0 R09: fffffbfff1301219 [ 94.600130][ C0] R10: fffffbfff1301218 R11: ffffffff898090c3 R12: ffff8880a90ea180 [ 94.608100][ C0] R13: ffff8880985c8cd0 R14: ffff88808bfb8180 R15: ffff8880544f2d80 [ 94.616071][ C0] ? mm_update_next_owner+0x47a/0x7c0 [ 94.621429][ C0] ? mm_update_next_owner+0x51e/0x7c0 [ 94.626880][ C0] ? down_read_non_owner+0x490/0x490 [ 94.632152][ C0] do_exit+0x820/0x2f20 [ 94.636289][ C0] ? get_signal+0x2c0/0x24f0 [ 94.640860][ C0] ? mm_update_next_owner+0x7c0/0x7c0 [ 94.646214][ C0] ? __kasan_check_write+0x14/0x20 [ 94.651311][ C0] ? lock_downgrade+0x920/0x920 [ 94.656144][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 94.661067][ C0] ? get_signal+0x20e/0x24f0 [ 94.665653][ C0] do_group_exit+0x135/0x360 [ 94.670320][ C0] get_signal+0x47c/0x24f0 [ 94.674728][ C0] ? __do_page_fault+0x56a/0xd80 [ 94.679732][ C0] ? __kasan_check_read+0x11/0x20 [ 94.684739][ C0] do_signal+0x87/0x1700 [ 94.688972][ C0] ? setup_sigcontext+0x7d0/0x7d0 [ 94.693979][ C0] ? __this_cpu_preempt_check+0x35/0x190 [ 94.699957][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 94.706189][ C0] ? do_futex+0x1de0/0x1de0 [ 94.710674][ C0] ? trace_hardirqs_on+0x67/0x240 [ 94.715683][ C0] exit_to_usermode_loop+0x286/0x380 [ 94.720949][ C0] do_syscall_64+0x676/0x790 [ 94.725680][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.731560][ C0] RIP: 0033:0x4467c9 [ 94.735638][ C0] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.755334][ C0] RSP: 002b:00007ff934e05db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 94.763760][ C0] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 00000000004467c9 [ 94.771997][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 94.780032][ C0] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 94.788016][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 94.795977][ C0] R13: 00007ffeafa4913f R14: 00007ff934e069c0 R15: 0000000000000000 [ 94.809442][T21367] [U] `è executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program