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-kasan-gce-1,10.128.0.5' (ECDSA) to the list of known hosts. net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 53.035028] WARNING: kernel stack regs at ffff8801cd58f878 in syzkaller868127:3358 has bad 'bp' value ffffffff85751040 [ 53.035032] unwind stack type:0 next_sp: (null) mask:0x6 graph_idx:0 [ 53.035038] ffff8801db307788: ffff8801db307810 (0xffff8801db307810) [ 53.035045] ffff8801db307790: ffffffff8128363e (__save_stack_trace+0x6e/0xd0) [ 53.035047] ffff8801db307798: 0000000000000000 ... [ 53.035050] ffff8801db3077a0: ffff8801cd588000 (0xffff8801cd588000) [ 53.035053] ffff8801db3077a8: ffff8801cd590000 (0xffff8801cd590000) [ 53.035055] ffff8801db3077b0: 0000000000000000 ... [ 53.035057] ffff8801db3077b8: 0000000000000006 (0x6) [ 53.035060] ffff8801db3077c0: ffff8801cd954440 (0xffff8801cd954440) [ 53.035063] ffff8801db3077c8: 0000010100000000 (0x10100000000) [ 53.035064] ffff8801db3077d0: 0000000000000000 ... [ 53.035067] ffff8801db3077d8: ffff8801db307788 (0xffff8801db307788) [ 53.035070] ffff8801db3077e0: ffff8801cd58f878 (0xffff8801cd58f878) [ 53.035074] ffff8801db3077e8: ffffffff8138f92a (loop2+0xf0/0x3a6) [ 53.035077] ffff8801db3077f0: 0000000001000000 (0x1000000) [ 53.035080] ffff8801db3077f8: ffff8801cdbc0280 (0xffff8801cdbc0280) [ 53.035083] ffff8801db307800: ffff8801cdbc0448 (0xffff8801cdbc0448) [ 53.035088] ffff8801db307808: ffffffff81a86d3c (file_free_rcu+0x5c/0x70) [ 53.035091] ffff8801db307810: ffff8801db307820 (0xffff8801db307820) [ 53.035095] ffff8801db307818: ffffffff812836b6 (save_stack_trace+0x16/0x20) [ 53.035098] ffff8801db307820: ffff8801db307a50 (0xffff8801db307a50) [ 53.035103] ffff8801db307828: ffffffff81a0c363 (save_stack+0x43/0xd0) [ 53.035105] ffff8801db307830: 000000400000000b (0x400000000b) [ 53.035108] ffff8801db307838: ffff8801db307848 (0xffff8801db307848) [ 53.035111] ffff8801db307840: ffff880100000000 (0xffff880100000000) [ 53.035115] ffff8801db307848: ffffffff812836b6 (save_stack_trace+0x16/0x20) [ 53.035118] ffff8801db307850: ffffffff81a0c363 (save_stack+0x43/0xd0) [ 53.035123] ffff8801db307858: ffffffff81a0cc71 (kasan_slab_free+0x71/0xc0) [ 53.035126] ffff8801db307860: ffffffff81a09d77 (kmem_cache_free+0x77/0x280) [ 53.035130] ffff8801db307868: ffffffff81a86d3c (file_free_rcu+0x5c/0x70) [ 53.035136] ffff8801db307870: ffffffff815c8dde (rcu_process_callbacks+0xd3e/0x17b0) [ 53.035143] ffff8801db307878: ffffffff84d6c055 (__do_softirq+0x2f5/0xba3) [ 53.035148] ffff8801db307880: ffffffff8142283c (irq_exit+0x1cc/0x200) [ 53.035152] ffff8801db307888: ffffffff84d6a6f6 (smp_apic_timer_interrupt+0x76/0xa0) [ 53.035156] ffff8801db307890: ffffffff84d65ff3 (apic_timer_interrupt+0x93/0xa0) [ 53.035159] ffff8801db307898: ffffffff8138f92a (loop2+0xf0/0x3a6) [ 53.035162] ffff8801db3078a0: ffff8801cd954440 (0xffff8801cd954440) [ 53.035165] ffff8801db3078a8: dffffc0000000000 (0xdffffc0000000000) [ 53.035168] ffff8801db3078b0: ffff8801cd954cc0 (0xffff8801cd954cc0) [ 53.035171] ffff8801db3078b8: ffff8801db307900 (0xffff8801db307900) [ 53.035175] ffff8801db3078c0: ffffffff8155491f (mark_held_locks+0xaf/0x100) [ 53.035177] ffff8801db3078c8: 0000000000000001 (0x1) [ 53.035180] ffff8801db3078d0: ffffffff00000002 (0xffffffff00000002) [ 53.035183] ffff8801db3078d8: ffff8801cd954440 (0xffff8801cd954440) [ 53.035187] ffff8801db3078e0: ffffffff84d64421 (_raw_spin_unlock_irqrestore+0x31/0xba) [ 53.035192] ffff8801db3078e8: ffffffff85b3aa80 (rcu_bh_varname+0x60/0x60) [ 53.035196] ffff8801db3078f0: ffffffff85b3aa80 (rcu_bh_varname+0x60/0x60) [ 53.035199] ffff8801db3078f8: ffff8801db307aa0 (0xffff8801db307aa0) [ 53.035202] ffff8801db307900: 1ffff1003b660f28 (0x1ffff1003b660f28) [ 53.035205] ffff8801db307908: ffff8801db307918 (0xffff8801db307918) [ 53.035209] ffff8801db307910: ffffffff815b2857 (debug_lockdep_rcu_enabled+0x77/0x90) [ 53.035212] ffff8801db307918: ffff8801db307ac8 (0xffff8801db307ac8) [ 53.035215] ffff8801db307920: 0000000000000086 (0x86) [ 53.035218] ffff8801db307928: ffffffff81554f3d (trace_hardirqs_on+0xd/0x10) [ 53.035221] ffff8801db307930: ffff8801db307950 (0xffff8801db307950) [ 53.035223] ffff8801db307938: 0000000000000286 (0x286) [ 53.035226] ffff8801db307940: 0000000041b58ab3 (0x41b58ab3) [ 53.035231] ffff8801db307948: ffffffff8574bbd0 (inat_primary_table+0x251310/0x2560c0) [ 53.035235] ffff8801db307950: ffffffff815c5e40 (rcu_idle_exit+0x240/0x240) [ 53.035239] ffff8801db307958: ffffffff815c7d95 (note_gp_changes+0x345/0x650) [ 53.035241] ffff8801db307960: 0000000000000000 ... [ 53.035244] ffff8801db307968: ffff8801db3079a8 (0xffff8801db3079a8) [ 53.035247] ffff8801db307970: 1ffff1003b660f3f (0x1ffff1003b660f3f) [ 53.035248] ffff8801db307978: 0000000000000000 ... [ 53.035251] ffff8801db307980: 0000000000000002 (0x2) [ 53.035252] ffff8801db307988: 0000000000000000 ... [ 53.035255] ffff8801db307990: ffff8801db307ac0 (0xffff8801db307ac0) [ 53.035258] ffff8801db307998: ffffffff8155b905 (lock_acquire+0x1d5/0x580) [ 53.035262] ffff8801db3079a0: ffffffff8155b905 (lock_acquire+0x1d5/0x580) [ 53.035263] ffff8801db3079a8: 0000000000000000 ... [ 53.035267] ffff8801db3079b0: ffffffff815c8ea2 (rcu_process_callbacks+0xe02/0x17b0) [ 53.035269] ffff8801db3079b8: 0000000000000000 ... [ 53.035272] ffff8801db3079c0: 0000000000000286 (0x286) [ 53.035274] ffff8801db3079c8: 0000000000000002 (0x2) [ 53.035279] ffff8801db3079d0: ffffffff86744c68 (lock_chains+0x5a08/0x200020) [ 53.035285] ffff8801db3079d8: ffffffff81810d66 (perf_event_task_tick+0x806/0xef0) [ 53.035287] ffff8801db3079e0: 0000000000000286 (0x286) [ 53.035290] ffff8801db3079e8: 00000000d9e85780 (0xd9e85780) [ 53.035294] ffff8801db3079f0: ffffffff85b37680 (rcu_panic_block+0x40/0x40) [ 53.035297] ffff8801db3079f8: 0000000041b58ab3 (0x41b58ab3) [ 53.035301] ffff8801db307a00: ffffffff8573e498 (inat_primary_table+0x243bd8/0x2560c0) [ 53.035303] ffff8801db307a08: 0000000000000086 (0x86) [ 53.035306] ffff8801db307a10: ffff8801cd954d20 (0xffff8801cd954d20) [ 53.035309] ffff8801db307a18: ffff8801cdbc0280 (0xffff8801cdbc0280) [ 53.035311] ffff8801db307a20: ffff8801cd954440 (0xffff8801cd954440) [ 53.035314] ffff8801db307a28: ffff8801db307a78 (0xffff8801db307a78) [ 53.035318] ffff8801db307a30: ffffffff81555894 (debug_check_no_locks_freed+0x264/0x3c0) [ 53.035321] ffff8801db307a38: ffff8801cd954440 (0xffff8801cd954440) [ 53.035323] ffff8801db307a40: dffffc0000000000 (0xdffffc0000000000) [ 53.035326] ffff8801db307a48: ffff8801dadf8300 (0xffff8801dadf8300) [ 53.035329] ffff8801db307a50: ffff8801db307a78 (0xffff8801db307a78) [ 53.035333] ffff8801db307a58: ffffffff81a0cc71 (kasan_slab_free+0x71/0xc0) [ 53.035336] ffff8801db307a60: ffff8801cdbc0280 (0xffff8801cdbc0280) [ 53.035338] ffff8801db307a68: ffff8801dadf8300 (0xffff8801dadf8300) [ 53.035341] ffff8801db307a70: 0000000000000286 (0x286) [ 53.035344] ffff8801db307a78: ffff8801db307aa8 (0xffff8801db307aa8) [ 53.035347] ffff8801db307a80: ffffffff81a09d77 (kmem_cache_free+0x77/0x280) [ 53.035350] ffff8801db307a88: ffff8801ce3ff600 (0xffff8801ce3ff600) [ 53.035353] ffff8801db307a90: ffff8801cdbc0280 (0xffff8801cdbc0280) [ 53.035356] ffff8801db307a98: ffff8801cdbc0288 (0xffff8801cdbc0288) [ 53.035358] ffff8801db307aa0: dffffc0000000000 (0xdffffc0000000000) [ 53.035361] ffff8801db307aa8: ffff8801db307ac8 (0xffff8801db307ac8) [ 53.035365] ffff8801db307ab0: ffffffff81a86d3c (file_free_rcu+0x5c/0x70) [ 53.035368] ffff8801db307ab8: ffff8801cdbc0280 (0xffff8801cdbc0280) [ 53.035371] ffff8801db307ac0: ffff8801db307d48 (0xffff8801db307d48) [ 53.035373] ffff8801db307ac8: ffff8801db307db0 (0xffff8801db307db0) [ 53.035378] ffff8801db307ad0: ffffffff815c8dde (rcu_process_callbacks+0xd3e/0x17b0) [ 53.035380] ffff8801db307ad8: ffff8801db3264c0 (0xffff8801db3264c0) [ 53.035384] ffff8801db307ae0: ffffffff85b3aa80 (rcu_bh_varname+0x60/0x60) [ 53.035389] ffff8801db307ae8: ffffffff85ac9b88 (pv_irq_ops+0x8/0x60) [ 53.035392] ffff8801db307af0: ffff8801db326580 (0xffff8801db326580) [ 53.035394] ffff8801db307af8: 000000000000000a (0xa) [ 53.035397] ffff8801db307b00: ffffed0039b2a888 (0xffffed0039b2a888) [ 53.035400] ffff8801db307b08: ffff8801cd954440 (0xffff8801cd954440) [ 53.035404] ffff8801db307b10: ffffffff81a86ce0 (get_max_files+0x20/0x20) [ 53.035406] ffff8801db307b18: 1ffff1003b660f65 (0x1ffff1003b660f65) [ 53.035409] ffff8801db307b20: ffff8801db3264f8 (0xffff8801db3264f8) [ 53.035412] ffff8801db307b28: 0000000041b58ab3 (0x41b58ab3) [ 53.035415] ffff8801db307b30: ffffffff8575aed0 (K512_4+0x87d0/0x84ce8) [ 53.035420] ffff8801db307b38: ffffffff815c80a0 (note_gp_changes+0x650/0x650) [ 53.035423] ffff8801db307b40: ffffffff815534a0 (print_usage_bug+0x480/0x480) [ 53.035429] ffff8801db307b48: ffffffff84d2dba9 (timerqueue_add+0x1e9/0x280) [ 53.035432] ffff8801db307b50: ffff8801db31da38 (0xffff8801db31da38) [ 53.035435] ffff8801db307b58: ffff8801db31d4d0 (0xffff8801db31d4d0) [ 53.035437] ffff8801db307b60: ffffed003b663b47 (0xffffed003b663b47) [ 53.035440] ffff8801db307b68: ffff8801db31d4c0 (0xffff8801db31d4c0) [ 53.035443] ffff8801db307b70: 1ffff1003b660f75 (0x1ffff1003b660f75) [ 53.035446] ffff8801db307b78: ffff8801db31da20 (0xffff8801db31da20) [ 53.035448] ffff8801db307b80: ffff8801db31d400 (0xffff8801db31d400) [ 53.035451] ffff8801db307b88: 0000000000000001 (0x1) [ 53.035454] ffff8801db307b90: ffff8801db307c70 (0xffff8801db307c70) [ 53.035458] ffff8801db307b98: ffffffff815ebca2 (enqueue_hrtimer+0x162/0x490) [ 53.035461] ffff8801db307ba0: ffffffff00004ade (0xffffffff00004ade) [ 53.035464] ffff8801db307ba8: 0000000041b58ab3 (0x41b58ab3) [ 53.035467] ffff8801db307bb0: ffffffff8573e498 (inat_primary_table+0x243bd8/0x2560c0) [ 53.035471] ffff8801db307bb8: ffffffff815ebb40 (__remove_hrtimer+0x190/0x190) [ 53.035474] ffff8801db307bc0: ffffed0039b2a997 (0xffffed0039b2a997) [ 53.035477] ffff8801db307bc8: 0000000000000001 (0x1) [ 53.035479] ffff8801db307bd0: ffff8801cd954cc0 (0xffff8801cd954cc0) [ 53.035482] ffff8801db307bd8: ffff8801db307c28 (0xffff8801db307c28) [ 53.035486] ffff8801db307be0: ffffffff87333600 (console_drivers+0x40/0x40) [ 53.035488] ffff8801db307be8: 0000000000000001 (0x1) [ 53.035491] ffff8801db307bf0: ffff8801cd954ce8 (0xffff8801cd954ce8) [ 53.035495] ffff8801db307bf8: ffffffff87335488 (tk_core+0x8/0x140) [ 53.035498] ffff8801db307c00: ffff8801db307ca0 (0xffff8801db307ca0) [ 53.035500] ffff8801db307c08: ffff8801db307c48 (0xffff8801db307c48) [ 53.035503] ffff8801db307c10: 0000000041b58ab3 (0x41b58ab3) [ 53.035507] ffff8801db307c18: ffffffff85758af8 (K512_4+0x63f8/0x84ce8) [ 53.035511] ffff8801db307c20: ffffffff8154b730 (check_noncircular+0x20/0x20) [ 53.035514] ffff8801db307c28: ffff8801db307d60 (0xffff8801db307d60) [ 53.035517] ffff8801db307c30: ffff8801cd954440 (0xffff8801cd954440) [ 53.035520] ffff8801db307c38: ffff8801db307ca0 (0xffff8801db307ca0) [ 53.035522] ffff8801db307c40: 1ffff1003b660f90 (0x1ffff1003b660f90) [ 53.035524] ffff8801db307c48: 0000000000000000 ... [ 53.035526] ffff8801db307c50: 0000000000000086 (0x86) [ 53.035529] ffff8801db307c58: ffff8801cd954cb8 (0xffff8801cd954cb8) [ 53.035532] ffff8801db307c60: 0000000200000000 (0x200000000) [ 53.035534] ffff8801db307c68: 0000000000000086 (0x86) [ 53.035539] ffff8801db307c70: ffffffff8161c143 (clockevents_program_event+0x163/0x2e0) [ 53.035542] ffff8801db307c78: ffffffff00000002 (0xffffffff00000002) [ 53.035545] ffff8801db307c80: 0000000041b58ab3 (0x41b58ab3) [ 53.035548] ffff8801db307c88: ffffffff85758dc8 (K512_4+0x66c8/0x84ce8) [ 53.035552] ffff8801db307c90: ffffffff8155acf0 (lock_downgrade+0x990/0x990) [ 53.035554] ffff8801db307c98: 0000000000000086 (0x86) [ 53.035557] ffff8801db307ca0: fffffbff00000001 (0xfffffbff00000001) [ 53.035560] ffff8801db307ca8: 0000000000000086 (0x86) [ 53.035562] ffff8801db307cb0: 00000000db307d00 (0xdb307d00) [ 53.035565] ffff8801db307cb8: ffffffff87335488 (tk_core+0x8/0x140) [ 53.035568] ffff8801db307cc0: ffff88021fff9057 (0xffff88021fff9057) [ 53.035571] ffff8801db307cc8: ffff88021fff904f (0xffff88021fff904f) [ 53.035574] ffff8801db307cd0: ffffed0043fff20b (0xffffed0043fff20b) [ 53.035576] ffff8801db307cd8: ffff88021fff9058 (0xffff88021fff9058) [ 53.035579] ffff8801db307ce0: 0000000000000004 (0x4) [ 53.035582] ffff8801db307ce8: ffffffff8575bc01 (K512_4+0x9501/0x84ce8) [ 53.035585] ffff8801db307cf0: ffff8801cd954cc0 (0xffff8801cd954cc0) [ 53.035588] ffff8801db307cf8: ffff8801cd954440 (0xffff8801cd954440) [ 53.035591] ffff8801db307d00: ffffed0039b2a997 (0xffffed0039b2a997)