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-386-1,10.128.0.19' (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 syzkaller login: [ 29.584011] WARNING: kernel stack regs at ffff8801ce0eee78 in syzkaller144863:2985 has bad 'bp' value ffffffff856f8940 [ 29.584014] unwind stack type:0 next_sp: (null) mask:0x6 graph_idx:0 [ 29.584020] ffff8801db3076e0: ffff8801db307768 (0xffff8801db307768) [ 29.584027] ffff8801db3076e8: ffffffff8127e9be (__save_stack_trace+0x6e/0xd0) [ 29.584029] ffff8801db3076f0: 0000000000000000 ... [ 29.584031] ffff8801db3076f8: ffff8801ce0e8000 (0xffff8801ce0e8000) [ 29.584033] ffff8801db307700: ffff8801ce0f0000 (0xffff8801ce0f0000) [ 29.584035] ffff8801db307708: 0000000000000000 ... [ 29.584037] ffff8801db307710: 0000000000000006 (0x6) [ 29.584039] ffff8801db307718: ffff8801d062a040 (0xffff8801d062a040) [ 29.584041] ffff8801db307720: 0000010100000000 (0x10100000000) [ 29.584042] ffff8801db307728: 0000000000000000 ... [ 29.584044] ffff8801db307730: ffff8801db3076e0 (0xffff8801db3076e0) [ 29.584050] ffff8801db307738: ffffffff8138233a (loop1+0xaa/0x88a) [ 29.584052] ffff8801db307740: ffff8801ce0eee78 (0xffff8801ce0eee78) [ 29.584054] ffff8801db307748: ffff8801ce118c08 (0xffff8801ce118c08) [ 29.584056] ffff8801db307750: ffff8801d062a040 (0xffff8801d062a040) [ 29.584059] ffff8801db307758: ffff8801ce118c00 (0xffff8801ce118c00) [ 29.584061] ffff8801db307760: ffff8801ce118c20 (0xffff8801ce118c20) [ 29.584063] ffff8801db307768: ffff8801db307778 (0xffff8801db307778) [ 29.584066] ffff8801db307770: ffffffff8127ea36 (save_stack_trace+0x16/0x20) [ 29.584068] ffff8801db307778: ffff8801db307c88 (0xffff8801db307c88) [ 29.584074] ffff8801db307780: ffffffff8154d5fd (__lock_acquire+0x20fd/0x4620) [ 29.584076] ffff8801db307788: ffff8801d062a8d8 (0xffff8801d062a8d8) [ 29.584078] ffff8801db307790: 0000000000000282 (0x282) [ 29.584080] ffff8801db307798: ffff8801d062a040 (0xffff8801d062a040) [ 29.584085] ffff8801db3077a0: ffffffff85b381e0 (rcu_callback_map+0x60/0x60) [ 29.584086] ffff8801db3077a8: 0000000000000001 (0x1) [ 29.584089] ffff8801db3077b0: ffff8801db307d70 (0xffff8801db307d70) [ 29.584091] ffff8801db3077b8: ffff8801db3077e8 (0xffff8801db3077e8) [ 29.584093] ffff8801db3077c0: 0000000000000282 (0x282) [ 29.584095] ffff8801db3077c8: 0000000000000040 (0x40) [ 29.584096] ffff8801db3077d0: 0000000000000003 (0x3) [ 29.584098] ffff8801db3077d8: 0000000000000040 (0x40) [ 29.584105] ffff8801db3077e0: ffffffff83e338fc (__kfree_skb_flush+0x4c/0xb0) [ 29.584107] ffff8801db3077e8: dffffc0000000000 (0xdffffc0000000000) [ 29.584110] ffff8801db3077f0: ffff8801db307d30 (0xffff8801db307d30) [ 29.584114] ffff8801db3077f8: ffffffff86b3c1e0 (chainhash_table+0x8700/0x40020) [ 29.584116] ffff8801db307800: ffff8801d062a8c8 (0xffff8801d062a8c8) [ 29.584119] ffff8801db307808: ffff8801d062a948 (0xffff8801d062a948) [ 29.584121] ffff8801db307810: ffff8801d062a958 (0xffff8801d062a958) [ 29.584125] ffff8801db307818: ffffffff8705fca0 (console_drivers+0x40/0x40) [ 29.584127] ffff8801db307820: bc06ba322b1618a3 (0xbc06ba322b1618a3) [ 29.584130] ffff8801db307828: ffff8801d062a8d0 (0xffff8801d062a8d0) [ 29.584133] ffff8801db307830: ffffffff8705fca0 (console_drivers+0x40/0x40) [ 29.584135] ffff8801db307838: 1ffff1003b660f08 (0x1ffff1003b660f08) [ 29.584137] ffff8801db307840: 0000000041b58ab3 (0x41b58ab3) [ 29.584141] ffff8801db307848: ffffffff85700640 (K512_4+0x6640/0xb4e47) [ 29.584145] ffff8801db307850: ffffffff8154b500 (debug_check_no_locks_freed+0x3d0/0x3d0) [ 29.584147] ffff8801db307858: ffff8801db307d30 (0xffff8801db307d30) [ 29.584150] ffff8801db307860: 0000012bd062a040 (0x12bd062a040) [ 29.584152] ffff8801db307868: ffff8801d3682c00 (0xffff8801d3682c00) [ 29.584153] ffff8801db307870: 0000000000000000 ... [ 29.584155] ffff8801db307878: ffffed003b660f36 (0xffffed003b660f36) [ 29.584157] ffff8801db307880: ffff8801db326bc0 (0xffff8801db326bc0) [ 29.584159] ffff8801db307888: ffff8801db307cf0 (0xffff8801db307cf0) [ 29.584161] ffff8801db307890: 0000000041b58ab3 (0x41b58ab3) [ 29.584164] ffff8801db307898: ffffffff85783590 (K512_4+0x89590/0xb4e47) [ 29.584168] ffff8801db3078a0: ffffffff83e89310 (napi_complete_done+0x6c0/0x6c0) [ 29.584170] ffff8801db3078a8: ffff8801db3078b8 (0xffff8801db3078b8) [ 29.584173] ffff8801db3078b0: ffffffff8127ea36 (save_stack_trace+0x16/0x20) [ 29.584176] ffff8801db3078b8: ffff8801db307dc8 (0xffff8801db307dc8) [ 29.584179] ffff8801db3078c0: ffffffff8154d5fd (__lock_acquire+0x20fd/0x4620) [ 29.584181] ffff8801db3078c8: ffff880100000003 (0xffff880100000003) [ 29.584183] ffff8801db3078d0: 0000000000000082 (0x82) [ 29.584185] ffff8801db3078d8: ffff8801d062a040 (0xffff8801d062a040) [ 29.584187] ffff8801db3078e0: 0000000041b58ab3 (0x41b58ab3) [ 29.584190] ffff8801db3078e8: ffffffff85700708 (K512_4+0x6708/0xb4e47) [ 29.584194] ffff8801db3078f0: ffffffff81551000 (lock_downgrade+0x990/0x990) [ 29.584196] ffff8801db3078f8: ffff8801db307ab8 (0xffff8801db307ab8) [ 29.584198] ffff8801db307900: 0000000000000082 (0x82) [ 29.584201] ffff8801db307908: ffffffff86b5b6f8 (chainhash_table+0x27c18/0x40020) [ 29.584203] ffff8801db307910: ffff8801d062a8c8 (0xffff8801d062a8c8) [ 29.584205] ffff8801db307918: ffff8801d062a948 (0xffff8801d062a948) [ 29.584207] ffff8801db307920: ffff8801d062a958 (0xffff8801d062a958) [ 29.584211] ffff8801db307928: ffffffff8705fca0 (console_drivers+0x40/0x40) [ 29.584213] ffff8801db307930: ffff8801db326bc0 (0xffff8801db326bc0) [ 29.584215] ffff8801db307938: ffff8801d062a8d0 (0xffff8801d062a8d0) [ 29.584219] ffff8801db307940: ffffffff8705fca0 (console_drivers+0x40/0x40) [ 29.584221] ffff8801db307948: 1ffff1003b660f2a (0x1ffff1003b660f2a) [ 29.584223] ffff8801db307950: 0000000041b58ab3 (0x41b58ab3) [ 29.584225] ffff8801db307958: ffffffff85700640 (K512_4+0x6640/0xb4e47) [ 29.584229] ffff8801db307960: ffffffff8154b500 (debug_check_no_locks_freed+0x3d0/0x3d0) [ 29.584232] ffff8801db307968: ffff8801d062a8d0 (0xffff8801d062a8d0) [ 29.584234] ffff8801db307970: ffff8801d3682bf8 (0xffff8801d3682bf8) [ 29.584236] ffff8801db307978: 1ffff1003b660f30 (0x1ffff1003b660f30) [ 29.584238] ffff8801db307980: 0000000041b58ab3 (0x41b58ab3) [ 29.584241] ffff8801db307988: ffffffff85700640 (K512_4+0x6640/0xb4e47) [ 29.584244] ffff8801db307990: ffffffff8154b500 (debug_check_no_locks_freed+0x3d0/0x3d0) [ 29.584246] ffff8801db307998: 0000000041b58ab3 (0x41b58ab3) [ 29.584249] ffff8801db3079a0: 0000000041b58ab3 (0x41b58ab3) [ 29.584251] ffff8801db3079a8: ffffffff85700b12 (K512_4+0x6b12/0xb4e47) [ 29.584253] ffff8801db3079b0: ffff8801db307cf0 (0xffff8801db307cf0) [ 29.584256] ffff8801db3079b8: ffff8801d062a908 (0xffff8801d062a908) [ 29.584258] ffff8801db3079c0: ffff8801d3682b00 (0xffff8801d3682b00) [ 29.584260] ffff8801db3079c8: 0000000000000001 (0x1) [ 29.584261] ffff8801db3079d0: 0000000000000003 (0x3) [ 29.584264] ffff8801db3079d8: ffff8801d062a040 (0xffff8801d062a040) [ 29.584266] ffff8801db3079e0: dffffc0000000000 (0xdffffc0000000000) [ 29.584268] ffff8801db3079e8: ffff8801d062a8d8 (0xffff8801d062a8d8) [ 29.584270] ffff8801db3079f0: ffff8801db307d30 (0xffff8801db307d30) [ 29.584272] ffff8801db3079f8: ffff8801d062a908 (0xffff8801d062a908) [ 29.584274] ffff8801db307a00: ffff8801d062a040 (0xffff8801d062a040) [ 29.584276] ffff8801db307a08: ffffed003a0c551a (0xffffed003a0c551a) [ 29.584280] ffff8801db307a10: ffffffff85b381e0 (rcu_callback_map+0x60/0x60) [ 29.584281] ffff8801db307a18: 0000000000000001 (0x1) [ 29.584283] ffff8801db307a20: ffff8801db307a70 (0xffff8801db307a70) [ 29.584287] ffff8801db307a28: ffffffff8153e92c (__lock_is_held+0xbc/0x140) [ 29.584291] ffff8801db307a30: ffffffff856e69ca (inat_primary_table+0x24100a/0x252890) [ 29.584294] ffff8801db307a38: ffff8801d062a8d0 (0xffff8801d062a8d0) [ 29.584296] ffff8801db307a40: ffff8801d062a8d8 (0xffff8801d062a8d8) [ 29.584298] ffff8801db307a48: 0000000000000082 (0x82) [ 29.584300] ffff8801db307a50: ffff8801d062a040 (0xffff8801d062a040) [ 29.584303] ffff8801db307a58: ffffffff85b381e0 (rcu_callback_map+0x60/0x60) [ 29.584305] ffff8801db307a60: 1ffff1000000055a (0x1ffff1000000055a) [ 29.584307] ffff8801db307a68: ffff8801db307c18 (0xffff8801db307c18) [ 29.584310] ffff8801db307a70: ffff8801db307aa0 (0xffff8801db307aa0) [ 29.584311] ffff8801db307a78: 0000000000000082 (0x82) [ 29.584313] ffff8801db307a80: 0000000000000003 (0x3) [ 29.584315] ffff8801db307a88: 0000000000000003 (0x3) [ 29.584317] ffff8801db307a90: 0000000000000003 (0x3) [ 29.584319] ffff8801db307a98: ffff8801db307b70 (0xffff8801db307b70) [ 29.584321] ffff8801db307aa0: ffff8801db307ab8 (0xffff8801db307ab8) [ 29.584327] ffff8801db307aa8: ffffffff815aa448 (rcu_read_lock_sched_held+0x108/0x120) [ 29.584329] ffff8801db307ab0: 1ffff1003b660f5a (0x1ffff1003b660f5a) [ 29.584331] ffff8801db307ab8: ffff8801db307b98 (0xffff8801db307b98) [ 29.584335] ffff8801db307ac0: ffffffff81415b7c (__raise_softirq_irqoff+0x21c/0x2c0) [ 29.584338] ffff8801db307ac8: ffff8801db307cd0 (0xffff8801db307cd0) [ 29.584340] ffff8801db307ad0: 0000000041b58ab3 (0x41b58ab3) [ 29.584343] ffff8801db307ad8: ffffffff856e6478 (inat_primary_table+0x240ab8/0x252890) [ 29.584346] ffff8801db307ae0: ffffffff86555588 (lock_chains+0x29d28/0x200020) [ 29.584349] ffff8801db307ae8: ffffed003b660f7b (0xffffed003b660f7b) [ 29.584351] ffff8801db307af0: ffff8801db307cd0 (0xffff8801db307cd0) [ 29.584353] ffff8801db307af8: 0000000041b58ab3 (0x41b58ab3) [ 29.584356] ffff8801db307b00: ffffffff85703430 (K512_4+0x9430/0xb4e47) [ 29.584360] ffff8801db307b08: ffffffff815d9c90 (del_timer_sync+0x240/0x240) [ 29.584362] ffff8801db307b10: ffff8801d062a040 (0xffff8801d062a040) [ 29.584364] ffff8801db307b18: 0000000041b58ab3 (0x41b58ab3) [ 29.584367] ffff8801db307b20: ffffffff8652c6a8 (lock_chains+0xe48/0x200020) [ 29.584371] ffff8801db307b28: ffffffff81548fa0 (print_usage_bug+0x480/0x480) [ 29.584372] ffff8801db307b30: 0000000000000000 ... [ 29.584374] ffff8801db307b38: ffffed003b660f85 (0xffffed003b660f85) [ 29.584376] ffff8801db307b40: ffff8801db307d20 (0xffff8801db307d20) [ 29.584378] ffff8801db307b48: 0000000041b58ab3 (0x41b58ab3) [ 29.584381] ffff8801db307b50: ffffffff85703430 (K512_4+0x9430/0xb4e47) [ 29.584384] ffff8801db307b58: ffffffff815d9c90 (del_timer_sync+0x240/0x240) [ 29.584386] ffff8801db307b60: ffff8801d062a040 (0xffff8801d062a040) [ 29.584388] ffff8801db307b68: 0000000000000082 (0x82) [ 29.584390] ffff8801db307b70: 1ffff1000000055a (0x1ffff1000000055a) [ 29.584392] ffff8801db307b78: ffff8801d3682bf8 (0xffff8801d3682bf8) [ 29.584395] ffff8801db307b80: ffff8801db326bc0 (0xffff8801db326bc0) [ 29.584397] ffff8801db307b88: ffff8801db307b98 (0xffff8801db307b98) [ 29.584405] ffff8801db307b90: ffffffff8153d53d (trace_hardirqs_off+0xd/0x10) [ 29.584407] ffff8801db307b98: ffff8801db307c40 (0xffff8801db307c40) [ 29.584411] ffff8801db307ba0: ffffffff83e73a4e (__napi_schedule+0x25e/0x370) [ 29.584413] ffff8801db307ba8: ffff8801db326bc8 (0xffff8801db326bc8) [ 29.584415] ffff8801db307bb0: ffff8801d3682bf8 (0xffff8801d3682bf8) [ 29.584418] ffff8801db307bb8: 0000000041b58ab3 (0x41b58ab3)