INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] 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 'ci-upstream-next-kasan-gce-3,10.128.0.58' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 32.567042] WARNING: kernel stack regs at ffff8801cd01f058 in syzkaller176562:3185 has bad 'bp' value ffffffff8572ed00 [ 32.567046] unwind stack type:0 next_sp: (null) mask:0x6 graph_idx:0 [ 32.567053] ffff8801db307788: ffff8801db307810 (0xffff8801db307810) [ 32.567062] ffff8801db307790: ffffffff8127eaae (__save_stack_trace+0x6e/0xd0) [ 32.567064] ffff8801db307798: 0000000000000000 ... [ 32.567068] ffff8801db3077a0: ffff8801cd018000 (0xffff8801cd018000) [ 32.567072] ffff8801db3077a8: ffff8801cd020000 (0xffff8801cd020000) [ 32.567074] ffff8801db3077b0: 0000000000000000 ... [ 32.567077] ffff8801db3077b8: 0000000000000006 (0x6) [ 32.567081] ffff8801db3077c0: ffff8801cd534340 (0xffff8801cd534340) [ 32.567084] ffff8801db3077c8: 0000010100000000 (0x10100000000) [ 32.567086] ffff8801db3077d0: 0000000000000000 ... [ 32.567090] ffff8801db3077d8: ffff8801db307788 (0xffff8801db307788) [ 32.567097] ffff8801db3077e0: ffffffff81383e5e (loop1+0x68e/0x88a) [ 32.567100] ffff8801db3077e8: ffff8801cd01f058 (0xffff8801cd01f058) [ 32.567104] ffff8801db3077f0: 0000000001000000 (0x1000000) [ 32.567107] ffff8801db3077f8: ffff8801ce79c040 (0xffff8801ce79c040) [ 32.567111] ffff8801db307800: ffff8801ce79c228 (0xffff8801ce79c228) [ 32.567117] ffff8801db307808: ffffffff81aa722c (file_free_rcu+0x5c/0x70) [ 32.567121] ffff8801db307810: ffff8801db307820 (0xffff8801db307820) [ 32.567125] ffff8801db307818: ffffffff8127eb26 (save_stack_trace+0x16/0x20) [ 32.567128] ffff8801db307820: ffff8801db307a50 (0xffff8801db307a50) [ 32.567135] ffff8801db307828: ffffffff81a27c83 (save_stack+0x43/0xd0) [ 32.567138] ffff8801db307830: 000000400000000b (0x400000000b) [ 32.567142] ffff8801db307838: ffff8801db307848 (0xffff8801db307848) [ 32.567145] ffff8801db307840: ffff880100000000 (0xffff880100000000) [ 32.567150] ffff8801db307848: ffffffff8127eb26 (save_stack_trace+0x16/0x20) [ 32.567155] ffff8801db307850: ffffffff81a27c83 (save_stack+0x43/0xd0) [ 32.567159] ffff8801db307858: ffffffff81a28591 (kasan_slab_free+0x71/0xc0) [ 32.567163] ffff8801db307860: ffffffff81a256a7 (kmem_cache_free+0x77/0x280) [ 32.567167] ffff8801db307868: ffffffff81aa722c (file_free_rcu+0x5c/0x70) [ 32.567174] ffff8801db307870: ffffffff815c164e (rcu_process_callbacks+0xd3e/0x17b0) [ 32.567180] ffff8801db307878: ffffffff84d4577d (__do_softirq+0x2bd/0xbd4) [ 32.567186] ffff8801db307880: ffffffff814168e3 (irq_exit+0x1d3/0x210) [ 32.567191] ffff8801db307888: ffffffff84d43e56 (smp_apic_timer_interrupt+0x76/0xa0) [ 32.567196] ffff8801db307890: ffffffff84d3f5fd (apic_timer_interrupt+0x9d/0xb0) [ 32.567201] ffff8801db307898: ffffffff81383e5e (loop1+0x68e/0x88a) [ 32.567204] ffff8801db3078a0: dffffc0000000000 (0xdffffc0000000000) [ 32.567210] ffff8801db3078a8: ffffffff85b3be80 (rcu_bh_varname+0x60/0x60) [ 32.567214] ffff8801db3078b0: ffff8801db3078d0 (0xffff8801db3078d0) [ 32.567220] ffff8801db3078b8: ffffffff8154b3de (trace_hardirqs_on_caller+0x19e/0x5c0) [ 32.567223] ffff8801db3078c0: 0000000000000286 (0x286) [ 32.567227] ffff8801db3078c8: ffffffff85b3be80 (rcu_bh_varname+0x60/0x60) [ 32.567231] ffff8801db3078d0: ffff8801db3078e0 (0xffff8801db3078e0) [ 32.567236] ffff8801db3078d8: ffffffff8154b80d (trace_hardirqs_on+0xd/0x10) [ 32.567239] ffff8801db3078e0: ffff8801db307900 (0xffff8801db307900) [ 32.567243] ffff8801db3078e8: 0000000000000286 (0x286) [ 32.567246] ffff8801db3078f0: 0000000000000001 (0x1) [ 32.567251] ffff8801db3078f8: ffffffff85b3bed0 (rcu_sched_state+0x50/0x1720) [ 32.567254] ffff8801db307900: 1ffff1003b660f28 (0x1ffff1003b660f28) [ 32.567258] ffff8801db307908: ffff8801db307918 (0xffff8801db307918) [ 32.567262] ffff8801db307910: ffffffff815ab137 (debug_lockdep_rcu_enabled+0x77/0x90) [ 32.567266] ffff8801db307918: ffff8801db307ac8 (0xffff8801db307ac8) [ 32.567269] ffff8801db307920: 0000000000000086 (0x86) [ 32.567278] ffff8801db307928: ffffffff85b3be80 (rcu_bh_varname+0x60/0x60) [ 32.567281] ffff8801db307930: 0000000000000286 (0x286) [ 32.567285] ffff8801db307938: 0000000000000ba7 (0xba7) [ 32.567288] ffff8801db307940: 0000000041b58ab3 (0x41b58ab3) [ 32.567294] ffff8801db307948: ffffffff85729970 (inat_primary_table+0x24dc70/0x252910) [ 32.567299] ffff8801db307950: ffffffff815be6b0 (cond_synchronize_sched+0xc0/0xc0) [ 32.567302] ffff8801db307958: ffff8801db307988 (0xffff8801db307988) [ 32.567305] ffff8801db307960: 0000000000000086 (0x86) [ 32.567310] ffff8801db307968: ffffffff85b3be98 (rcu_sched_state+0x18/0x1720) [ 32.567312] ffff8801db307970: 0000000000000000 ... [ 32.567316] ffff8801db307978: 1ffff1003b660f3f (0x1ffff1003b660f3f) [ 32.567318] ffff8801db307980: 0000000000000000 ... [ 32.567321] ffff8801db307988: 0000000000000002 (0x2) [ 32.567323] ffff8801db307990: 0000000000000000 ... [ 32.567327] ffff8801db307998: ffff8801db307ac0 (0xffff8801db307ac0) [ 32.567332] ffff8801db3079a0: ffffffff81552d15 (lock_acquire+0x1d5/0x580) [ 32.567334] ffff8801db3079a8: 0000000000000000 ... [ 32.567339] ffff8801db3079b0: ffffffff815c1712 (rcu_process_callbacks+0xe02/0x17b0) [ 32.567341] ffff8801db3079b8: 0000000000000000 ... [ 32.567344] ffff8801db3079c0: 0000000000000286 (0x286) [ 32.567348] ffff8801db3079c8: 000000008155fa50 (0x8155fa50) [ 32.567352] ffff8801db3079d0: ffffffff85b3be98 (rcu_sched_state+0x18/0x1720) [ 32.567356] ffff8801db3079d8: 0000000041b58ab3 (0x41b58ab3) [ 32.567359] ffff8801db3079e0: 0000000000000286 (0x286) [ 32.567362] ffff8801db3079e8: 0000000081552b40 (0x81552b40) [ 32.567367] ffff8801db3079f0: ffffffff85b38640 (rcu_panic_block+0x40/0x40) [ 32.567370] ffff8801db3079f8: 0000000041b58ab3 (0x41b58ab3) [ 32.567375] ffff8801db307a00: ffffffff8571c8a0 (inat_primary_table+0x240ba0/0x252910) [ 32.567378] ffff8801db307a08: 0000000000000086 (0x86) [ 32.567381] ffff8801db307a10: ffff8801cd534c78 (0xffff8801cd534c78) [ 32.567385] ffff8801db307a18: ffff8801ce79c040 (0xffff8801ce79c040) [ 32.567388] ffff8801db307a20: ffff8801cd534340 (0xffff8801cd534340) [ 32.567392] ffff8801db307a28: ffff8801db307a78 (0xffff8801db307a78) [ 32.567397] ffff8801db307a30: ffffffff8154c168 (debug_check_no_locks_freed+0x268/0x3d0) [ 32.567400] ffff8801db307a38: ffff8801cd534340 (0xffff8801cd534340) [ 32.567407] ffff8801db307a40: dffffc0000000000 (0xdffffc0000000000) [ 32.567411] ffff8801db307a48: ffff8801dae08300 (0xffff8801dae08300) [ 32.567414] ffff8801db307a50: ffff8801db307a78 (0xffff8801db307a78) [ 32.567418] ffff8801db307a58: ffffffff81a28591 (kasan_slab_free+0x71/0xc0) [ 32.567422] ffff8801db307a60: ffff8801ce79c040 (0xffff8801ce79c040) [ 32.567425] ffff8801db307a68: ffff8801dae08300 (0xffff8801dae08300) [ 32.567429] ffff8801db307a70: 0000000000000286 (0x286) [ 32.567432] ffff8801db307a78: ffff8801db307aa8 (0xffff8801db307aa8) [ 32.567437] ffff8801db307a80: ffffffff81a256a7 (kmem_cache_free+0x77/0x280) [ 32.567440] ffff8801db307a88: ffff8801ce795100 (0xffff8801ce795100) [ 32.567444] ffff8801db307a90: ffff8801ce79c040 (0xffff8801ce79c040) [ 32.567447] ffff8801db307a98: ffff8801ce79c048 (0xffff8801ce79c048) [ 32.567451] ffff8801db307aa0: dffffc0000000000 (0xdffffc0000000000) [ 32.567454] ffff8801db307aa8: ffff8801db307ac8 (0xffff8801db307ac8) [ 32.567458] ffff8801db307ab0: ffffffff81aa722c (file_free_rcu+0x5c/0x70) [ 32.567462] ffff8801db307ab8: ffff8801ce79c040 (0xffff8801ce79c040) [ 32.567465] ffff8801db307ac0: ffff8801db307d48 (0xffff8801db307d48) [ 32.567469] ffff8801db307ac8: ffff8801db307db0 (0xffff8801db307db0) [ 32.567474] ffff8801db307ad0: ffffffff815c164e (rcu_process_callbacks+0xd3e/0x17b0) [ 32.567477] ffff8801db307ad8: ffff8801db326980 (0xffff8801db326980) [ 32.567482] ffff8801db307ae0: ffffffff85b3be80 (rcu_bh_varname+0x60/0x60) [ 32.567489] ffff8801db307ae8: ffffffff85ac97a8 (pv_irq_ops+0x8/0x60) [ 32.567492] ffff8801db307af0: ffff8801db326a30 (0xffff8801db326a30) [ 32.567496] ffff8801db307af8: 000000000000000a (0xa) [ 32.567499] ffff8801db307b00: ffffed0039aa6868 (0xffffed0039aa6868) [ 32.567503] ffff8801db307b08: ffff8801cd534340 (0xffff8801cd534340) [ 32.567507] ffff8801db307b10: ffffffff81aa71d0 (get_max_files+0x20/0x20) [ 32.567510] ffff8801db307b18: 1ffff1003b660f65 (0x1ffff1003b660f65) [ 32.567514] ffff8801db307b20: ffff8801db3269b8 (0xffff8801db3269b8) [ 32.567517] ffff8801db307b28: 0000000041b58ab3 (0x41b58ab3) [ 32.567522] ffff8801db307b30: ffffffff85738c98 (K512_4+0x88d8/0x87118) [ 32.567527] ffff8801db307b38: ffffffff815c0910 (note_gp_changes+0x650/0x650) [ 32.567532] ffff8801db307b40: ffffffff81549d70 (print_usage_bug+0x480/0x480) [ 32.567537] ffff8801db307b48: ffffffff84d06359 (timerqueue_add+0x1e9/0x280) [ 32.567541] ffff8801db307b50: ffff8801db31db98 (0xffff8801db31db98) [ 32.567544] ffff8801db307b58: ffff8801db31d590 (0xffff8801db31d590) [ 32.567548] ffff8801db307b60: 1ffff1003b660f80 (0x1ffff1003b660f80) [ 32.567551] ffff8801db307b68: 0000000000000002 (0x2) [ 32.567554] ffff8801db307b70: ffff8801cd534c38 (0xffff8801cd534c38) [ 32.567561] ffff8801db307b78: ffffffff87063cc8 (tk_core+0x8/0x140) [ 32.567565] ffff8801db307b80: ffff8801db307c60 (0xffff8801db307c60) [ 32.567568] ffff8801db307b88: ffff8801db307bc8 (0xffff8801db307bc8) [ 32.567573] ffff8801db307b90: ffffffff8153f4a9 (find_held_lock+0x39/0x1d0) [ 32.567577] ffff8801db307b98: ffffffff00000003 (0xffffffff00000003) [ 32.567580] ffff8801db307ba0: 1ffff1003b660f80 (0x1ffff1003b660f80) [ 32.567584] ffff8801db307ba8: ffff8801db307c60 (0xffff8801db307c60) [ 32.567587] ffff8801db307bb0: ffff8801db307d60 (0xffff8801db307d60) [ 32.567592] ffff8801db307bb8: ffffffff87063cc8 (tk_core+0x8/0x140) [ 32.567597] ffff8801db307bc0: ffffffff87061ca0 (console_drivers+0x40/0x40) [ 32.567600] ffff8801db307bc8: ffff880100000001 (0xffff880100000001) [ 32.567603] ffff8801db307bd0: 0000000000000086 (0x86) [ 32.567607] ffff8801db307bd8: ffff8801cd534bd0 (0xffff8801cd534bd0) [ 32.567610] ffff8801db307be0: ffffffff00000003 (0xffffffff00000003) [ 32.567614] ffff8801db307be8: ffff880100000003 (0xffff880100000003) [ 32.567617] ffff8801db307bf0: 0000000000000086 (0x86) [ 32.567621] ffff8801db307bf8: ffff8801cd534340 (0xffff8801cd534340) [ 32.567624] ffff8801db307c00: 0000000041b58ab3 (0x41b58ab3) [ 32.567628] ffff8801db307c08: ffffffff85736a90 (K512_4+0x66d0/0x87118) [ 32.567632] ffff8801db307c10: 0000000041b58ab3 (0x41b58ab3) [ 32.567636] ffff8801db307c18: ffffffff85736738 (K512_4+0x6378/0x87118) [ 32.567641] ffff8801db307c20: ffffffff8153ea80 (check_noncircular+0x20/0x20) [ 32.567644] ffff8801db307c28: ffff8801db31d4c0 (0xffff8801db31d4c0) [ 32.567648] ffff8801db307c30: ffff8801db31d4c0 (0xffff8801db31d4c0) [ 32.567650] ffff8801db307c38: 0000000000000000 ... [ 32.567653] ffff8801db307c40: 1ffff1003b660f98 (0x1ffff1003b660f98) [ 32.567656] ffff8801db307c48: 0000000000000000 ... [ 32.567659] ffff8801db307c50: 0000000000000002 (0x2) [ 32.567662] ffff8801db307c58: 0000000000000001 (0x1) [ 32.567665] ffff8801db307c60: ffff880100000002 (0xffff880100000002) [ 32.567670] ffff8801db307c68: ffffffff81552d15 (lock_acquire+0x1d5/0x580) [ 32.567672] ffff8801db307c70: 0000000000000000 ... [ 32.567678] ffff8801db307c78: ffffffff81615483 (clockevents_program_event+0x163/0x2e0) [ 32.567681] ffff8801db307c80: 0000000000000000 ... [ 32.567684] ffff8801db307c88: 0000000000000086 (0x86) [ 32.567687] ffff8801db307c90: 0000000795251425 (0x795251425) [ 32.567690] ffff8801db307c98: 0000000000000002 (0x2) [ 32.567694] ffff8801db307ca0: fffffbfff0b98218 (0xfffffbfff0b98218) [ 32.567697] ffff8801db307ca8: 0000000000000086 (0x86) [ 32.567700] ffff8801db307cb0: 0000000000000002 (0x2) [ 32.567704] ffff8801db307cb8: ffffffff87063cc8 (tk_core+0x8/0x140) [ 32.567708] ffff8801db307cc0: ffff88021fff9057 (0xffff88021fff9057) [ 32.567712] ffff8801db307cc8: ffff88021fff904f (0xffff88021fff904f) [ 32.567715] ffff8801db307cd0: ffffed0043fff20b (0xffffed0043fff20b) [ 32.567719] ffff8801db307cd8: ffff88021fff9058 (0xffff88021fff9058) [ 32.567722] ffff8801db307ce0: 0000000000000004 (0x4) [ 32.567725] ffff8801db307ce8: 1ffff1003b660f01 (0x1ffff1003b660f01) [ 32.567729] ffff8801db307cf0: ffff8801cd534c08 (0xffff8801cd534c08) [ 32.567732] ffff8801db307cf8: ffff8801cd534340 (0xffff8801cd534340) [ 32.567736] ffff8801db307d00: ffffed0039aa697a (0xffffed0039aa697a) [ 32.567740] ffff8801db307d08: ffffffff85b386a0 (rcu_callback_map+0x60/0x60) [ 32.567743] ffff8801db307d10: 0000000000000001 (0x1)