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-mmots-kasan-gce-7,10.128.0.56' (ECDSA) to the list of known hosts. net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 executing program syzkaller login: [ 42.896013] WARNING: kernel stack regs at ffff8801ce62f038 in syzkaller303690:2989 has bad 'bp' value ffffffff8572ef80 [ 42.896016] unwind stack type:0 next_sp: (null) mask:0x6 graph_idx:0 [ 42.896022] ffff8801db3076e0: ffff8801db307768 (0xffff8801db307768) [ 42.896029] ffff8801db3076e8: ffffffff8127e0de (__save_stack_trace+0x6e/0xd0) [ 42.896030] ffff8801db3076f0: 0000000000000000 ... [ 42.896033] ffff8801db3076f8: ffff8801ce628000 (0xffff8801ce628000) [ 42.896035] ffff8801db307700: ffff8801ce630000 (0xffff8801ce630000) [ 42.896036] ffff8801db307708: 0000000000000000 ... [ 42.896038] ffff8801db307710: 0000000000000006 (0x6) [ 42.896041] ffff8801db307718: ffff8801d0092380 (0xffff8801d0092380) [ 42.896043] ffff8801db307720: 0000010100000000 (0x10100000000) [ 42.896044] ffff8801db307728: 0000000000000000 ... [ 42.896046] ffff8801db307730: ffff8801db3076e0 (0xffff8801db3076e0) [ 42.896051] ffff8801db307738: ffffffff813828e1 (loop1+0x411/0x88a) [ 42.896054] ffff8801db307740: ffff8801ce62f038 (0xffff8801ce62f038) [ 42.896056] ffff8801db307748: ffff8801ce886ab0 (0xffff8801ce886ab0) [ 42.896058] ffff8801db307750: ffff8801d0092380 (0xffff8801d0092380) [ 42.896061] ffff8801db307758: ffff8801ce886aa8 (0xffff8801ce886aa8) [ 42.896063] ffff8801db307760: ffff8801ce886ac8 (0xffff8801ce886ac8) [ 42.896065] ffff8801db307768: ffff8801db307778 (0xffff8801db307778) [ 42.896068] ffff8801db307770: ffffffff8127e156 (save_stack_trace+0x16/0x20) [ 42.896071] ffff8801db307778: ffff8801db307c88 (0xffff8801db307c88) [ 42.896076] ffff8801db307780: ffffffff8154cf6d (__lock_acquire+0x20fd/0x4620) [ 42.896078] ffff8801db307788: 0000000000000001 (0x1) [ 42.896080] ffff8801db307790: 0000000000000282 (0x282) [ 42.896082] ffff8801db307798: ffff8801ce2c4180 (0xffff8801ce2c4180) [ 42.896089] ffff8801db3077a0: ffffffff84d41f11 (_raw_spin_unlock_irqrestore+0x31/0xba) [ 42.896095] ffff8801db3077a8: ffffffff85b3b940 (rcu_bh_varname+0x60/0x60) [ 42.896098] ffff8801db3077b0: ffffffff85b3b940 (rcu_bh_varname+0x60/0x60) [ 42.896101] ffff8801db3077b8: ffff8801ce2c4180 (0xffff8801ce2c4180) [ 42.896103] ffff8801db3077c0: 1ffff1003b660f00 (0x1ffff1003b660f00) [ 42.896105] ffff8801db3077c8: 1ffff1003b660f24 (0x1ffff1003b660f24) [ 42.896107] ffff8801db3077d0: ffff8801db326800 (0xffff8801db326800) [ 42.896109] ffff8801db3077d8: ffff8801db307988 (0xffff8801db307988) [ 42.896116] ffff8801db3077e0: ffffffff815bd46d (cpu_needs_another_gp+0x4fd/0x690) [ 42.896118] ffff8801db3077e8: dffffc0000000000 (0xdffffc0000000000) [ 42.896122] ffff8801db3077f0: ffffffff85b3b4d0 (rcu_bh_state+0x1310/0x1720) [ 42.896127] ffff8801db3077f8: ffffffff86b609d0 (chainhash_table+0x2ceb0/0x40020) [ 42.896129] ffff8801db307800: ffff8801d0092c08 (0xffff8801d0092c08) [ 42.896132] ffff8801db307808: ffff8801d0092c88 (0xffff8801d0092c88) [ 42.896134] ffff8801db307810: ffff8801d0092c98 (0xffff8801d0092c98) [ 42.896138] ffff8801db307818: ffffffff8705fce0 (console_drivers+0x40/0x40) [ 42.896140] ffff8801db307820: 40f6d315aee4df78 (0x40f6d315aee4df78) [ 42.896142] ffff8801db307828: ffff8801d0092c10 (0xffff8801d0092c10) [ 42.896146] ffff8801db307830: ffffffff8705fce0 (console_drivers+0x40/0x40) [ 42.896148] ffff8801db307838: 1ffff1003b660f08 (0x1ffff1003b660f08) [ 42.896150] ffff8801db307840: 0000000041b58ab3 (0x41b58ab3) [ 42.896155] ffff8801db307848: ffffffff85736c60 (K512_4+0x6620/0x874c0) [ 42.896159] ffff8801db307850: ffffffff8154ae70 (debug_check_no_locks_freed+0x3d0/0x3d0) [ 42.896161] ffff8801db307858: 0000000041b58ab3 (0x41b58ab3) [ 42.896163] ffff8801db307860: fffffffffffffed4 (0xfffffffffffffed4) [ 42.896167] ffff8801db307868: ffffffff815516e0 (lock_release+0xd70/0xd70) [ 42.896169] ffff8801db307870: ffff8801ce2c4a18 (0xffff8801ce2c4a18) [ 42.896171] ffff8801db307878: ffff8801ce2c4180 (0xffff8801ce2c4180) [ 42.896174] ffff8801db307880: ffffed0039c58942 (0xffffed0039c58942) [ 42.896177] ffff8801db307888: ffffffff85b38220 (rcu_bh_lock_map+0x60/0x60) [ 42.896178] ffff8801db307890: 0000000000000000 ... [ 42.896181] ffff8801db307898: ffff8801db3078e8 (0xffff8801db3078e8) [ 42.896183] ffff8801db3078a0: fffffffffffffed4 (0xfffffffffffffed4) [ 42.896188] ffff8801db3078a8: ffffffff8571d0c2 (inat_primary_table+0x241502/0x252d00) [ 42.896190] ffff8801db3078b0: 0000000041b58ab3 (0x41b58ab3) [ 42.896194] ffff8801db3078b8: ffffffff8571d0c2 (inat_primary_table+0x241502/0x252d00) [ 42.896195] ffff8801db3078c0: 0000000000000000 ... [ 42.896197] ffff8801db3078c8: ffff8801ce2c4180 (0xffff8801ce2c4180) [ 42.896200] ffff8801db3078d0: ffffffff0000aac6 (0xffffffff0000aac6) [ 42.896202] ffff8801db3078d8: ffff8801db307ad0 (0xffff8801db307ad0) [ 42.896204] ffff8801db3078e0: fffffffffffffed4 (0xfffffffffffffed4) [ 42.896206] ffff8801db3078e8: 0000000041b58ab3 (0x41b58ab3) [ 42.896210] ffff8801db3078f0: ffffffff8571c60d (inat_primary_table+0x240a4d/0x252d00) [ 42.896213] ffff8801db3078f8: ffffffff815b7410 (rcu_pm_notify+0xc0/0xc0) [ 42.896217] ffff8801db307900: ffffffff8571d0c2 (inat_primary_table+0x241502/0x252d00) [ 42.896220] ffff8801db307908: ffff8801ce2c4a10 (0xffff8801ce2c4a10) [ 42.896222] ffff8801db307910: 0000000000032e46 (0x32e46) [ 42.896224] ffff8801db307918: 0000000000000282 (0x282) [ 42.896226] ffff8801db307920: ffff8801ce2c4180 (0xffff8801ce2c4180) [ 42.896230] ffff8801db307928: ffffffff85b38160 (rcu_callback_map+0x60/0x60) [ 42.896232] ffff8801db307930: dffffc0000000000 (0xdffffc0000000000) [ 42.896234] ffff8801db307938: ffff8801db307c48 (0xffff8801db307c48) [ 42.896236] ffff8801db307940: ffff8801db307970 (0xffff8801db307970) [ 42.896238] ffff8801db307948: 0000000000000282 (0x282) [ 42.896239] ffff8801db307950: 0000000000000000 ... [ 42.896241] ffff8801db307958: 0000000000000003 (0x3) [ 42.896243] ffff8801db307960: 0000000000000000 ... [ 42.896246] ffff8801db307968: ffffffff85b38ac0 (event_rcu_utilization+0x780/0x10a0) [ 42.896248] ffff8801db307970: ffff8801db307988 (0xffff8801db307988) [ 42.896252] ffff8801db307978: ffffffff815a9d38 (rcu_read_lock_sched_held+0x108/0x120) [ 42.896254] ffff8801db307980: 1ffff1003b660f79 (0x1ffff1003b660f79) [ 42.896257] ffff8801db307988: ffff8801db307c70 (0xffff8801db307c70) [ 42.896260] ffff8801db307990: ffffffff815bf572 (rcu_process_callbacks+0x3a2/0x17b0) [ 42.896263] ffff8801db307998: 0000000100000001 (0x100000001) [ 42.896265] ffff8801db3079a0: ffff8801db307a50 (0xffff8801db307a50) [ 42.896267] ffff8801db3079a8: ffff8801db325c00 (0xffff8801db325c00) [ 42.896269] ffff8801db3079b0: 0000000041b58ab3 (0x41b58ab3) [ 42.896272] ffff8801db3079b8: ffffffff85735d50 (K512_4+0x5710/0x874c0) [ 42.896274] ffff8801db3079c0: ffffed0039c58830 (0xffffed0039c58830) [ 42.896277] ffff8801db3079c8: ffff8801ce2c4180 (0xffff8801ce2c4180) [ 42.896279] ffff8801db3079d0: 0000000000000001 (0x1) [ 42.896281] ffff8801db3079d8: 1ffff1003b660f3d (0x1ffff1003b660f3d) [ 42.896283] ffff8801db3079e0: ffff8801db326838 (0xffff8801db326838) [ 42.896285] ffff8801db3079e8: 0000000041b58ab3 (0x41b58ab3) [ 42.896288] ffff8801db3079f0: ffffffff85738f38 (K512_4+0x88f8/0x874c0) [ 42.896292] ffff8801db3079f8: ffffffff815bf1d0 (note_gp_changes+0x650/0x650) [ 42.896294] ffff8801db307a00: ffff8801db31db80 (0xffff8801db31db80) [ 42.896296] ffff8801db307a08: dffffc0000000000 (0xdffffc0000000000) [ 42.896298] ffff8801db307a10: ffff8801d9eb9580 (0xffff8801d9eb9580) [ 42.896301] ffff8801db307a18: ffff8801db31d590 (0xffff8801db31d590) [ 42.896303] ffff8801db307a20: ffff8801db31dd50 (0xffff8801db31dd50) [ 42.896305] ffff8801db307a28: ffff8801db307a78 (0xffff8801db307a78) [ 42.896310] ffff8801db307a30: ffffffff84d0b069 (timerqueue_add+0x1e9/0x280) [ 42.896312] ffff8801db307a38: ffff8801db31db98 (0xffff8801db31db98) [ 42.896314] ffff8801db307a40: ffff8801db31d590 (0xffff8801db31d590) [ 42.896317] ffff8801db307a48: 1ffff1003b660f5d (0x1ffff1003b660f5d) [ 42.896318] ffff8801db307a50: 0000000000000000 ... [ 42.896331] ffff8801db307a58: ffff8801ce2c4a18 (0xffff8801ce2c4a18) [ 42.896333] ffff8801db307a60: ffffffff00000553 (0xffffffff00000553) [ 42.896336] ffff8801db307a68: ffff8801db307b48 (0xffff8801db307b48) [ 42.896338] ffff8801db307a70: ffff8801db307ab0 (0xffff8801db307ab0) [ 42.896342] ffff8801db307a78: ffffffff8153e049 (find_held_lock+0x39/0x1d0) [ 42.896344] ffff8801db307a80: ffffffff00000001 (0xffffffff00000001) [ 42.896346] ffff8801db307a88: 1ffff1003b660f5d (0x1ffff1003b660f5d) [ 42.896349] ffff8801db307a90: ffff8801db307b48 (0xffff8801db307b48) [ 42.896351] ffff8801db307a98: ffff8801db307c48 (0xffff8801db307c48) [ 42.896355] ffff8801db307aa0: ffffffff87061d08 (tk_core+0x8/0x140) [ 42.896358] ffff8801db307aa8: ffffffff8705fce0 (console_drivers+0x40/0x40) [ 42.896360] ffff8801db307ab0: ffff8801db307c70 (0xffff8801db307c70) [ 42.896362] ffff8801db307ab8: 0000000000000082 (0x82) [ 42.896365] ffff8801db307ac0: ffff8801ce2c4a10 (0xffff8801ce2c4a10) [ 42.896367] ffff8801db307ac8: ffffffff00000001 (0xffffffff00000001) [ 42.896368] ffff8801db307ad0: 0000000000000000 ... [ 42.896370] ffff8801db307ad8: 1ffff1003b660f6d (0x1ffff1003b660f6d) [ 42.896374] ffff8801db307ae0: ffffffff8652c708 (lock_chains+0xe68/0x200020) [ 42.896376] ffff8801db307ae8: ffff8801db300000 (0xffff8801db300000) [ 42.896378] ffff8801db307af0: 00000000fffc13b0 (0xfffc13b0) [ 42.896380] ffff8801db307af8: ffff8801db307c70 (0xffff8801db307c70) [ 42.896385] ffff8801db307b00: ffffffff814fd463 (run_rebalance_domains+0x383/0x780) [ 42.896387] ffff8801db307b08: 0000000000000000 ... [ 42.896389] ffff8801db307b10: ffff8801db31d4c0 (0xffff8801db31d4c0) [ 42.896391] ffff8801db307b18: ffff8801db31d4c0 (0xffff8801db31d4c0) [ 42.896392] ffff8801db307b20: 0000000000000000 ... [ 42.896395] ffff8801db307b28: 1ffff1003b660f75 (0x1ffff1003b660f75) [ 42.896396] ffff8801db307b30: 0000000000000000 ... [ 42.896398] ffff8801db307b38: 0000000000000002 (0x2) [ 42.896400] ffff8801db307b40: 0000000000000001 (0x1) [ 42.896402] ffff8801db307b48: 0000000100000000 (0x100000000) [ 42.896404] ffff8801db307b50: 0000000000000001 (0x1) [ 42.896405] ffff8801db307b58: 0000000000000000 ... [ 42.896407] ffff8801db307b60: 0000000181613c03 (0x181613c03) [ 42.896409] ffff8801db307b68: 0000000041b58ab3 (0x41b58ab3) [ 42.896412] ffff8801db307b70: ffffffff85735da0 (K512_4+0x5760/0x874c0) [ 42.896416] ffff8801db307b78: ffffffff814fd0e0 (rebalance_domains+0xcc0/0xcc0) [ 42.896418] ffff8801db307b80: 0000000000000002 (0x2) [ 42.896420] ffff8801db307b88: fffffbfff0b98234 (0xfffffbfff0b98234) [ 42.896422] ffff8801db307b90: 0000000000000082 (0x82) [ 42.896423] ffff8801db307b98: 0000000000000000 ... [ 42.896426] ffff8801db307ba0: ffffffff87061d08 (tk_core+0x8/0x140) [ 42.896428] ffff8801db307ba8: ffff88021fff9057 (0xffff88021fff9057) [ 42.896430] ffff8801db307bb0: ffff88021fff904f (0xffff88021fff904f) [ 42.896432] ffff8801db307bb8: ffffed0043fff20b (0xffffed0043fff20b) [ 42.896435] ffff8801db307bc0: ffff88021fff9058 (0xffff88021fff9058)