[info] Using makefile-style concurrent boot in runlevel 2. [ 62.132304][ T26] audit: type=1800 audit(1568211978.319:21): pid=9515 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 62.185089][ T26] audit: type=1800 audit(1568211978.319:22): pid=9515 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] 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 '10.128.1.12' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 889.179702][ T9668] 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 [ 891.678892][ C0] hrtimer: interrupt took 24420 ns executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1149.709225][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1149.715872][ C1] rcu: 1-...!: (10499 ticks this GP) idle=f02/1/0x4000000000000002 softirq=28069/28069 fqs=0 [ 1149.726173][ C1] (t=10501 jiffies g=43153 q=3) [ 1149.731101][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g43153 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 1149.742266][ C1] rcu: RCU grace-period kthread stack dump: [ 1149.748141][ C1] rcu_preempt R running task 29392 10 2 0x80004000 [ 1149.756027][ C1] Call Trace: [ 1149.759402][ C1] __schedule+0x755/0x1580 [ 1149.763811][ C1] ? __sched_text_start+0x8/0x8 [ 1149.768652][ C1] schedule+0xd9/0x260 [ 1149.772713][ C1] schedule_timeout+0x486/0xc50 [ 1149.777552][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 1149.782486][ C1] ? usleep_range+0x170/0x170 [ 1149.787146][ C1] ? trace_hardirqs_on+0x67/0x240 [ 1149.792152][ C1] ? __kasan_check_read+0x11/0x20 [ 1149.797165][ C1] ? __next_timer_interrupt+0x1a0/0x1a0 [ 1149.802693][ C1] ? swake_up_one+0x60/0x60 [ 1149.807181][ C1] ? trace_hardirqs_on+0x67/0x240 [ 1149.812195][ C1] rcu_gp_kthread+0x9b2/0x18c0 [ 1149.816949][ C1] ? rcu_barrier+0x310/0x310 [ 1149.821523][ C1] ? trace_hardirqs_on+0x67/0x240 [ 1149.826534][ C1] ? __kasan_check_read+0x11/0x20 [ 1149.831552][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1149.837778][ C1] ? __kthread_parkme+0x108/0x1c0 [ 1149.842792][ C1] ? __kasan_check_read+0x11/0x20 [ 1149.847805][ C1] kthread+0x361/0x430 [ 1149.851876][ C1] ? rcu_barrier+0x310/0x310 [ 1149.856456][ C1] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1149.862689][ C1] ret_from_fork+0x24/0x30 [ 1149.867099][ C1] Sending NMI from CPU 1 to CPUs 0: [ 1149.873124][ C0] NMI backtrace for cpu 0 [ 1149.873130][ C0] CPU: 0 PID: 23362 Comm: syz-executor241 Not tainted 5.3.0-rc8+ #0 [ 1149.873135][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1149.873138][ C0] RIP: 0010:native_write_msr+0xb/0x30 [ 1149.873149][ C0] Code: c3 0f 21 f0 c3 0f 0b 0f 1f 84 00 00 00 00 00 0f 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 89 f9 89 f0 0f 30 0f 1f 44 00 00 55 48 c1 e2 20 89 f6 48 89 e5 48 09 d6 31 d2 e8 90 24 1f 02 5d [ 1149.873152][ C0] RSP: 0018:ffff8880ae809ac8 EFLAGS: 00000046 [ 1149.873159][ C0] RAX: 000000000000003e RBX: 0000000000000838 RCX: 0000000000000838 [ 1149.873163][ C0] RDX: 0000000000000000 RSI: 000000000000003e RDI: 0000000000000838 [ 1149.873168][ C0] RBP: ffff8880ae809ae0 R08: ffff888095c62500 R09: fffffbfff134afb0 [ 1149.873172][ C0] R10: fffffbfff134afaf R11: ffffffff89a57d7f R12: ffff8880ae820180 [ 1149.873176][ C0] R13: 000000000000003e R14: 0000000000000000 R15: 0000000000000000 [ 1149.873181][ C0] FS: 00007fc6756a4700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 1149.873185][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1149.873189][ C0] CR2: 0000000000000000 CR3: 0000000096b61000 CR4: 00000000001406f0 [ 1149.873194][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1149.873198][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1149.873200][ C0] Call Trace: [ 1149.873202][ C0] [ 1149.873205][ C0] ? native_apic_msr_write+0x58/0x80 [ 1149.873208][ C0] lapic_next_event+0x51/0x80 [ 1149.873211][ C0] clockevents_program_event+0x25c/0x370 [ 1149.873214][ C0] tick_program_event+0xb4/0x130 [ 1149.873217][ C0] hrtimer_interrupt+0x369/0x770 [ 1149.873221][ C0] smp_apic_timer_interrupt+0x160/0x610 [ 1149.873224][ C0] apic_timer_interrupt+0xf/0x20 [ 1149.873227][ C0] RIP: 0010:call_timer_fn+0x607/0x780 [ 1149.873237][ C0] Code: 28 10 00 44 0f b6 35 7d 3a 3f 08 31 ff 44 89 f6 e8 5e 29 10 00 45 84 f6 0f 84 de 00 00 00 e8 10 28 10 00 65 ff 0d 21 b1 9f 7e <41> 0f 94 c6 31 ff 44 89 f6 e8 3b 29 10 00 45 84 f6 0f 84 7d fb ff [ 1149.873240][ C0] RSP: 0018:ffff8880ae809d10 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 [ 1149.873248][ C0] RAX: ffff888095c62500 RBX: ffff88805ed1a800 RCX: ffffffff81624cb6 [ 1149.873252][ C0] RDX: 0000000000000100 RSI: ffffffff81624ce0 RDI: 0000000000000005 [ 1149.873256][ C0] RBP: ffff8880ae809dd8 R08: ffff888095c62500 R09: fffffbfff134afb0 [ 1149.873261][ C0] R10: fffffbfff134afaf R11: ffffffff89a57d7f R12: 0000000000000101 [ 1149.873265][ C0] R13: ffff8880ae809db0 R14: 0000000000000000 R15: dffffc0000000000 [ 1149.873268][ C0] ? apic_timer_interrupt+0xa/0x20 [ 1149.873271][ C0] ? call_timer_fn+0x5d6/0x780 [ 1149.873274][ C0] ? call_timer_fn+0x600/0x780 [ 1149.873276][ C0] ? pie_destroy+0x60/0x60 [ 1149.873279][ C0] ? msleep_interruptible+0x150/0x150 [ 1149.873282][ C0] ? trace_hardirqs_on+0x67/0x240 [ 1149.873285][ C0] ? __kasan_check_read+0x11/0x20 [ 1149.873289][ C0] ? pie_destroy+0x60/0x60 [ 1149.873291][ C0] ? pie_destroy+0x60/0x60 [ 1149.873294][ C0] run_timer_softirq+0x697/0x17a0 [ 1149.873296][ C0] ? add_timer+0x930/0x930 [ 1149.873300][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1149.873302][ C0] __do_softirq+0x262/0x98c [ 1149.873305][ C0] ? sched_clock_cpu+0x1b/0x1b0 [ 1149.873307][ C0] irq_exit+0x19b/0x1e0 [ 1149.873310][ C0] smp_apic_timer_interrupt+0x1a3/0x610 [ 1149.873313][ C0] apic_timer_interrupt+0xf/0x20 [ 1149.873314][ C0] [ 1149.873318][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x20/0x50 [ 1149.873327][ C0] Code: ff 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 48 8b 04 25 40 fe 01 00 65 8b 15 04 89 8f 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b <8b> 90 f0 12 00 00 83 fa 02 75 20 48 8b 88 f8 12 00 00 8b 80 f4 12 [ 1149.873330][ C0] RSP: 0018:ffff88805fa87948 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 1149.873338][ C0] RAX: ffff888095c62500 RBX: ffff88805fa87a98 RCX: ffffffff8166d913 [ 1149.873342][ C0] RDX: 0000000000000000 RSI: ffffffff8166d91d RDI: 0000000000000004 [ 1149.873346][ C0] RBP: ffff88805fa87948 R08: ffff888095c62500 R09: ffffed100bf50f19 [ 1149.873350][ C0] R10: ffffed100bf50f18 R11: 0000000000000003 R12: 0000000000000001 [ 1149.873354][ C0] R13: ffffed100bf50f53 R14: 0000000000000000 R15: 0000000000000000 [ 1149.873357][ C0] ? futex_wait_setup+0x2a3/0x390 [ 1149.873360][ C0] ? futex_wait_setup+0x2ad/0x390 [ 1149.873363][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1149.873365][ C0] futex_wait_setup+0x2ad/0x390 [ 1149.873369][ C0] ? handle_futex_death.part.0+0x250/0x250 [ 1149.873371][ C0] futex_wait+0x1fc/0x5e0 [ 1149.873374][ C0] ? futex_wait_setup+0x390/0x390 [ 1149.873377][ C0] ? refcount_dec_and_test_checked+0x1b/0x20 [ 1149.873380][ C0] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 1149.873383][ C0] ? drop_futex_key_refs.isra.0+0x6f/0xf0 [ 1149.873385][ C0] ? futex_wake+0x179/0x4d0 [ 1149.873388][ C0] do_futex+0x175/0x1dc0 [ 1149.873391][ C0] ? __kasan_check_write+0x14/0x20 [ 1149.873393][ C0] ? retint_kernel+0x2b/0x2b [ 1149.873396][ C0] ? trace_hardirqs_on_caller+0x6a/0x240 [ 1149.873399][ C0] ? exit_robust_list+0x2c0/0x2c0 [ 1149.873401][ C0] ? retint_kernel+0x2b/0x2b [ 1149.873404][ C0] ? getname_flags+0x300/0x5b0 [ 1149.873407][ C0] ? trace_hardirqs_on+0x5e/0x240 [ 1149.873409][ C0] ? kmem_cache_free+0xab/0x320 [ 1149.873412][ C0] ? kmem_cache_free+0x1a7/0x320 [ 1149.873414][ C0] ? getname_flags+0x277/0x5b0 [ 1149.873417][ C0] __x64_sys_futex+0x3f7/0x590 [ 1149.873419][ C0] ? do_futex+0x1dc0/0x1dc0 [ 1149.873423][ C0] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1149.873426][ C0] ? trace_hardirqs_off_caller+0x65/0x230 [ 1149.873428][ C0] ? trace_hardirqs_on+0x67/0x240 [ 1149.873431][ C0] do_syscall_64+0xfd/0x6a0 [ 1149.873434][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1149.873436][ C0] RIP: 0033:0x44cd49 [ 1149.873445][ C0] Code: e8 0c d4 02 00 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 1b cb fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1149.873448][ C0] RSP: 002b:00007fc6756a3cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1149.873455][ C0] RAX: ffffffffffffffda RBX: 00000000006dec68 RCX: 000000000044cd49 [ 1149.873459][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dec68 [ 1149.873463][ C0] RBP: 00000000006dec60 R08: 0000000000000000 R09: 0000000000000000 [ 1149.873467][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dec6c [ 1149.873471][ C0] R13: 00007fffc43033df R14: 00007fc6756a49c0 R15: 000000000000002d [ 1149.873482][ C1] NMI backtrace for cpu 1 [ 1150.503088][ C1] CPU: 1 PID: 23361 Comm: syz-executor241 Not tainted 5.3.0-rc8+ #0 [ 1150.511055][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1150.521105][ C1] Call Trace: [ 1150.524371][ C1] [ 1150.527305][ C1] dump_stack+0x172/0x1f0 [ 1150.531629][ C1] nmi_cpu_backtrace.cold+0x70/0xb2 [ 1150.536817][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1150.543043][ C1] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 1150.548662][ C1] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 1150.554631][ C1] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1150.560513][ C1] rcu_dump_cpu_stacks+0x183/0x1cf [ 1150.565617][ C1] rcu_sched_clock_irq.cold+0x4dd/0xc13 [ 1150.571156][ C1] ? raise_softirq+0x138/0x340 [ 1150.575911][ C1] update_process_times+0x32/0x80 [ 1150.580923][ C1] tick_sched_handle+0xa2/0x190 [ 1150.585769][ C1] tick_sched_timer+0x53/0x140 [ 1150.590525][ C1] __hrtimer_run_queues+0x364/0xe40 [ 1150.595710][ C1] ? tick_sched_do_timer+0x1b0/0x1b0 [ 1150.600991][ C1] ? hrtimer_start_range_ns+0xcb0/0xcb0 [ 1150.606528][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1150.612235][ C1] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 1150.618292][ C1] hrtimer_interrupt+0x314/0x770 [ 1150.623229][ C1] smp_apic_timer_interrupt+0x160/0x610 [ 1150.628769][ C1] apic_timer_interrupt+0xf/0x20 [ 1150.633686][ C1] [ 1150.636624][ C1] RIP: 0010:check_memory_region+0x9/0x1a0 [ 1150.642332][ C1] Code: 00 55 48 89 f2 be f8 00 00 00 48 89 e5 e8 0f bd 8f 05 5d c3 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 48 85 f6 0f 84 34 01 00 00 <48> b8 ff ff ff ff ff 7f ff ff 55 0f b6 d2 48 39 c7 48 89 e5 41 55 [ 1150.662036][ C1] RSP: 0018:ffff888064fbf960 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 [ 1150.670431][ C1] RAX: 0000000000000000 RBX: ffffc90000c72388 RCX: ffffffff81595bd7 [ 1150.678387][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90000c72388 [ 1150.686347][ C1] RBP: ffff888064fbf968 R08: 1ffff9200018e471 R09: fffff5200018e472 [ 1150.694303][ C1] R10: fffff5200018e471 R11: ffffc90000c7238b R12: 0000000000000001 [ 1150.702259][ C1] R13: 0000000000000003 R14: fffff5200018e471 R15: 0000000000000001 [ 1150.710231][ C1] ? native_queued_spin_lock_slowpath+0xb7/0x9f0 [ 1150.716547][ C1] ? __kasan_check_read+0x11/0x20 [ 1150.721560][ C1] native_queued_spin_lock_slowpath+0xb7/0x9f0 [ 1150.727695][ C1] ? fault_create_debugfs_attr+0x180/0x180 [ 1150.733494][ C1] ? __pv_queued_spin_lock_slowpath+0xd10/0xd10 [ 1150.739731][ C1] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 1150.745611][ C1] ? mark_held_locks+0xf0/0xf0 [ 1150.750361][ C1] ? get_futex_key+0xa10/0x1760 [ 1150.755202][ C1] do_raw_spin_lock+0x20e/0x2e0 [ 1150.760040][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 1150.764962][ C1] ? lock_acquire+0x190/0x410 [ 1150.769625][ C1] ? futex_wake+0x1dc/0x4d0 [ 1150.774122][ C1] _raw_spin_lock+0x37/0x40 [ 1150.778611][ C1] ? futex_wake+0x1dc/0x4d0 [ 1150.783103][ C1] futex_wake+0x1dc/0x4d0 [ 1150.787422][ C1] ? get_futex_key+0x1760/0x1760 [ 1150.792351][ C1] ? lock_repin_lock+0x4b0/0x4b0 [ 1150.797277][ C1] do_futex+0x358/0x1dc0 [ 1150.801507][ C1] ? __might_fault+0x12b/0x1e0 [ 1150.806259][ C1] ? __kasan_check_read+0x11/0x20 [ 1150.811276][ C1] ? exit_robust_list+0x2c0/0x2c0 [ 1150.816286][ C1] ? __x64_sys_futex+0x4c2/0x590 [ 1150.821209][ C1] ? __kasan_check_read+0x11/0x20 [ 1150.826221][ C1] ? lock_downgrade+0x920/0x920 [ 1150.831056][ C1] ? lock_acquire+0x190/0x410 [ 1150.835723][ C1] ? __x64_sys_futex+0x4c2/0x590 [ 1150.840647][ C1] ? trace_hardirqs_on+0x67/0x240 [ 1150.845663][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1150.851368][ C1] ? ktime_get+0x202/0x2f0 [ 1150.855777][ C1] __x64_sys_futex+0x3f7/0x590 [ 1150.860531][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1150.866761][ C1] ? do_futex+0x1dc0/0x1dc0 [ 1150.871254][ C1] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1150.877308][ C1] ? trace_hardirqs_off_caller+0x65/0x230 [ 1150.883011][ C1] ? trace_hardirqs_on+0x67/0x240 [ 1150.888023][ C1] do_syscall_64+0xfd/0x6a0 [ 1150.892518][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1150.898394][ C1] RIP: 0033:0x44cd49 [ 1150.902299][ C1] Code: e8 0c d4 02 00 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 1b cb fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1150.921892][ C1] RSP: 002b:00007fffc4303458 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1150.930290][ C1] RAX: ffffffffffffffda RBX: 00007fffc43034f0 RCX: 000000000044cd49 [ 1150.938248][ C1] RDX: 000000000044cd49 RSI: 0000000000000081 RDI: 00000000006dec68 [ 1150.946383][ C1] RBP: 00007fffc4303490 R08: 00007fff00000015 R09: 00007fff00000015 [ 1150.954340][ C1] R10: 00007fff00000015 R11: 0000000000000246 R12: 00000000000ff0e0 [ 1150.962300][ C1] R13: 00000000006dec60 R14: 00000000006dec6c R15: 000000000000002d