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-5,10.128.0.57' (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 syzkaller login: [ 93.290012] WARNING: kernel stack regs at ffff8801ce477058 in syzkaller317341:2984 has bad 'bp' value ffffffff8572ef80 [ 93.290016] unwind stack type:0 next_sp: (null) mask:0x6 graph_idx:0 [ 93.290021] ffff8801db2076e0: ffff8801db207768 (0xffff8801db207768) [ 93.290027] ffff8801db2076e8: ffffffff8127e0de (__save_stack_trace+0x6e/0xd0) [ 93.290029] ffff8801db2076f0: 0000000000000000 ... [ 93.290031] ffff8801db2076f8: ffff8801ce470000 (0xffff8801ce470000) [ 93.290034] ffff8801db207700: ffff8801ce478000 (0xffff8801ce478000) [ 93.290035] ffff8801db207708: 0000000000000000 ... [ 93.290037] ffff8801db207710: 0000000000000006 (0x6) [ 93.290039] ffff8801db207718: ffff8801cf3f8040 (0xffff8801cf3f8040) [ 93.290041] ffff8801db207720: 0000010100000000 (0x10100000000) [ 93.290043] ffff8801db207728: 0000000000000000 ... [ 93.290045] ffff8801db207730: ffff8801db2076e0 (0xffff8801db2076e0) [ 93.290049] ffff8801db207738: ffffffff81382c23 (loop1+0x753/0x88a) [ 93.290052] ffff8801db207740: ffff8801ce477058 (0xffff8801ce477058) [ 93.290054] ffff8801db207748: ffff8801bfd2a078 (0xffff8801bfd2a078) [ 93.290056] ffff8801db207750: ffff8801cf3f8040 (0xffff8801cf3f8040) [ 93.290058] ffff8801db207758: ffff8801bfd2a070 (0xffff8801bfd2a070) [ 93.290061] ffff8801db207760: ffff8801bfd2a090 (0xffff8801bfd2a090) [ 93.290063] ffff8801db207768: ffff8801db207778 (0xffff8801db207778) [ 93.290066] ffff8801db207770: ffffffff8127e156 (save_stack_trace+0x16/0x20) [ 93.290068] ffff8801db207778: ffff8801db207c88 (0xffff8801db207c88) [ 93.290073] ffff8801db207780: ffffffff8154cf6d (__lock_acquire+0x20fd/0x4620) [ 93.290076] ffff8801db207788: 0000000000000082 (0x82) [ 93.290078] ffff8801db207790: ffff8801cf3f88d0 (0xffff8801cf3f88d0) [ 93.290080] ffff8801db207798: ffff880100000002 (0xffff880100000002) [ 93.290082] ffff8801db2077a0: ffff880100000002 (0xffff880100000002) [ 93.290084] ffff8801db2077a8: 0000000000000082 (0x82) [ 93.290086] ffff8801db2077b0: ffff8801cf3f8040 (0xffff8801cf3f8040) [ 93.290088] ffff8801db2077b8: 0000000041b58ab3 (0x41b58ab3) [ 93.290093] ffff8801db2077c0: ffffffff85736d28 (K512_4+0x66e8/0x874c0) [ 93.290097] ffff8801db2077c8: ffffffff81550970 (lock_downgrade+0x990/0x990) [ 93.290099] ffff8801db2077d0: ffffed0039e7f11a (0xffffed0039e7f11a) [ 93.290101] ffff8801db2077d8: ffff8801db225c18 (0xffff8801db225c18) [ 93.290103] ffff8801db2077e0: ffff8801db2265a8 (0xffff8801db2265a8) [ 93.290105] ffff8801db2077e8: 0000000000000000 ... [ 93.290107] ffff8801db2077f0: 1ffff1003b640f0e (0x1ffff1003b640f0e) [ 93.290112] ffff8801db2077f8: ffffffff86b609d0 (chainhash_table+0x2ceb0/0x40020) [ 93.290114] ffff8801db207800: ffff8801cf3f88c8 (0xffff8801cf3f88c8) [ 93.290116] ffff8801db207808: ffff8801cf3f8948 (0xffff8801cf3f8948) [ 93.290118] ffff8801db207810: ffff8801cf3f8958 (0xffff8801cf3f8958) [ 93.290122] ffff8801db207818: ffffffff8705fce0 (console_drivers+0x40/0x40) [ 93.290124] ffff8801db207820: 40f6d315aee4df78 (0x40f6d315aee4df78) [ 93.290127] ffff8801db207828: ffff8801cf3f88d0 (0xffff8801cf3f88d0) [ 93.290130] ffff8801db207830: ffffffff8705fce0 (console_drivers+0x40/0x40) [ 93.290132] ffff8801db207838: 1ffff1003b640f08 (0x1ffff1003b640f08) [ 93.290134] ffff8801db207840: 0000000041b58ab3 (0x41b58ab3) [ 93.290137] ffff8801db207848: ffffffff85736c60 (K512_4+0x6620/0x874c0) [ 93.290141] ffff8801db207850: ffffffff8154ae70 (debug_check_no_locks_freed+0x3d0/0x3d0) [ 93.290143] ffff8801db207858: 0000000000000082 (0x82) [ 93.290145] ffff8801db207860: 00000000db207a20 (0xdb207a20) [ 93.290147] ffff8801db207868: ffff8801db21c218 (0xffff8801db21c218) [ 93.290150] ffff8801db207870: 0000000041b58ab3 (0x41b58ab3) [ 93.290152] ffff8801db207878: 0000000041b58ab3 (0x41b58ab3) [ 93.290155] ffff8801db207880: ffffffff85737132 (K512_4+0x6af2/0x874c0) [ 93.290163] ffff8801db207888: ffffffff8155e3c0 (do_raw_spin_trylock+0x190/0x190) [ 93.290166] ffff8801db207890: ffff8801cf3f8040 (0xffff8801cf3f8040) [ 93.290168] ffff8801db207898: 0000000041b58a00 (0x41b58a00) [ 93.290171] ffff8801db2078a0: 0000000000000000 ... [ 93.290173] ffff8801db2078a8: 0000000000000003 (0x3) [ 93.290175] ffff8801db2078b0: ffff8801cf3f8040 (0xffff8801cf3f8040) [ 93.290177] ffff8801db2078b8: dffffc0000000000 (0xdffffc0000000000) [ 93.290179] ffff8801db2078c0: ffff8801cf3f88d8 (0xffff8801cf3f88d8) [ 93.290195] ffff8801db2078c8: ffff8801db207910 (0xffff8801db207910) [ 93.290199] ffff8801db2078d0: ffffffff81549d92 (mark_held_locks+0xb2/0x100) [ 93.290200] ffff8801db2078d8: 0000000000000001 (0x1) [ 93.290203] ffff8801db2078e0: ffffffff00000002 (0xffffffff00000002) [ 93.290205] ffff8801db2078e8: ffff8801cf3f8040 (0xffff8801cf3f8040) [ 93.290210] ffff8801db2078f0: ffffffff84d418d7 (_raw_spin_unlock_irq+0x27/0x70) [ 93.290212] ffff8801db2078f8: dffffc0000000000 (0xdffffc0000000000) [ 93.290215] ffff8801db207900: ffff8801db207ba8 (0xffff8801db207ba8) [ 93.290217] ffff8801db207908: ffff8801db207c30 (0xffff8801db207c30) [ 93.290219] ffff8801db207910: ffff8801db207930 (0xffff8801db207930) [ 93.290223] ffff8801db207918: ffffffff81549f7e (trace_hardirqs_on_caller+0x19e/0x5c0) [ 93.290225] ffff8801db207920: ffff8801db21c200 (0xffff8801db21c200) [ 93.290227] ffff8801db207928: 00000000fffcd88a (0xfffcd88a) [ 93.290229] ffff8801db207930: ffff8801db207940 (0xffff8801db207940) [ 93.290233] ffff8801db207938: ffffffff8154a3ad (trace_hardirqs_on+0xd/0x10) [ 93.290235] ffff8801db207940: ffff8801db207958 (0xffff8801db207958) [ 93.290238] ffff8801db207948: ffffffff84d418d7 (_raw_spin_unlock_irq+0x27/0x70) [ 93.290241] ffff8801db207950: 00000000fffcd88b (0xfffcd88b) [ 93.290243] ffff8801db207958: ffff8801db207c58 (0xffff8801db207c58) [ 93.290247] ffff8801db207960: ffffffff815d96ef (__run_timers+0x16f/0xb90) [ 93.290249] ffff8801db207968: 0000000041b58ab3 (0x41b58ab3) [ 93.290251] ffff8801db207970: ffffed003b640f4e (0xffffed003b640f4e) [ 93.290253] ffff8801db207978: 1ffff1003b640f3a (0x1ffff1003b640f3a) [ 93.290255] ffff8801db207980: ffff8801db207a30 (0xffff8801db207a30) [ 93.290257] ffff8801db207988: ffff8801db207bb0 (0xffff8801db207bb0) [ 93.290260] ffff8801db207990: ffff8801db21c248 (0xffff8801db21c248) [ 93.290262] ffff8801db207998: ffff8801db207ab0 (0xffff8801db207ab0) [ 93.290264] ffff8801db2079a0: ffff8801db207ba8 (0xffff8801db207ba8) [ 93.290266] ffff8801db2079a8: ffff8801db21c240 (0xffff8801db21c240) [ 93.290268] ffff8801db2079b0: 0000000041b58ab3 (0x41b58ab3) [ 93.290270] ffff8801db2079b8: ffff8801db21c200 (0xffff8801db21c200) [ 93.290272] ffff8801db2079c0: ffffed003b640f56 (0xffffed003b640f56) [ 93.290274] ffff8801db2079c8: ffff8801db207ba8 (0xffff8801db207ba8) [ 93.290276] ffff8801db2079d0: 0000000041b58ab3 (0x41b58ab3) [ 93.290279] ffff8801db2079d8: ffffffff85739a50 (K512_4+0x9410/0x874c0) [ 93.290282] ffff8801db2079e0: ffffffff815d9580 (del_timer_sync+0x240/0x240) [ 93.290284] ffff8801db2079e8: ffff8801cf3f8040 (0xffff8801cf3f8040) [ 93.290286] ffff8801db2079f0: 0000000041b58ab3 (0x41b58ab3) [ 93.290289] ffff8801db2079f8: ffffffff85736bc8 (K512_4+0x6588/0x874c0) [ 93.290293] ffff8801db207a00: ffffffff81548910 (print_usage_bug+0x480/0x480) [ 93.290295] ffff8801db207a08: dffffc0000000000 (0xdffffc0000000000) [ 93.290296] ffff8801db207a10: 0000000000000000 ... [ 93.290298] ffff8801db207a18: ffff8801db21d590 (0xffff8801db21d590) [ 93.290300] ffff8801db207a20: ffff8801db21dd50 (0xffff8801db21dd50) [ 93.290314] ffff8801db207a28: ffff8801db207a78 (0xffff8801db207a78) [ 93.290319] ffff8801db207a30: ffffffff84d0b069 (timerqueue_add+0x1e9/0x280) [ 93.290321] ffff8801db207a38: ffff8801db21db98 (0xffff8801db21db98) [ 93.290323] ffff8801db207a40: ffff8801db21d590 (0xffff8801db21d590) [ 93.290325] ffff8801db207a48: 1ffff1003b640f5d (0x1ffff1003b640f5d) [ 93.290327] ffff8801db207a50: 0000000000000001 (0x1) [ 93.290329] ffff8801db207a58: ffff8801cf3f8908 (0xffff8801cf3f8908) [ 93.290331] ffff8801db207a60: ffffffff0000054b (0xffffffff0000054b) [ 93.290334] ffff8801db207a68: ffff8801db207b48 (0xffff8801db207b48) [ 93.290336] ffff8801db207a70: ffff8801db207ab0 (0xffff8801db207ab0) [ 93.290339] ffff8801db207a78: ffffffff8153e049 (find_held_lock+0x39/0x1d0) [ 93.290342] ffff8801db207a80: ffffffff00000002 (0xffffffff00000002) [ 93.290344] ffff8801db207a88: 1ffff1003b640f5d (0x1ffff1003b640f5d) [ 93.290346] ffff8801db207a90: ffff8801db207b48 (0xffff8801db207b48) [ 93.290348] ffff8801db207a98: ffff8801db207c48 (0xffff8801db207c48) [ 93.290351] ffff8801db207aa0: ffffffff87061d08 (tk_core+0x8/0x140) [ 93.290355] ffff8801db207aa8: ffffffff8705fce0 (console_drivers+0x40/0x40) [ 93.290357] ffff8801db207ab0: ffff8801db207c70 (0xffff8801db207c70) [ 93.290359] ffff8801db207ab8: 0000000000000082 (0x82) [ 93.290361] ffff8801db207ac0: ffff8801cf3f88d0 (0xffff8801cf3f88d0) [ 93.290363] ffff8801db207ac8: ffffffff00000002 (0xffffffff00000002) [ 93.290365] ffff8801db207ad0: 0000000041b58ab3 (0x41b58ab3) [ 93.290368] ffff8801db207ad8: ffffffff857369d0 (K512_4+0x6390/0x874c0) [ 93.290371] ffff8801db207ae0: ffffffff8652c708 (lock_chains+0xe68/0x200020) [ 93.290373] ffff8801db207ae8: 0000000041b58ab3 (0x41b58ab3) [ 93.290376] ffff8801db207af0: ffffffff85736d28 (K512_4+0x66e8/0x874c0) [ 93.290380] ffff8801db207af8: ffffffff81550970 (lock_downgrade+0x990/0x990) [ 93.290382] ffff8801db207b00: dffffc0000000000 (0xdffffc0000000000) [ 93.290384] ffff8801db207b08: 1ffff1003b640f8d (0x1ffff1003b640f8d) [ 93.290387] ffff8801db207b10: ffff8801db21d4c0 (0xffff8801db21d4c0) [ 93.290389] ffff8801db207b18: ffff8801db21d4c0 (0xffff8801db21d4c0) [ 93.290390] ffff8801db207b20: 0000000000000000 ... [ 93.290392] ffff8801db207b28: 1ffff1003b640f75 (0x1ffff1003b640f75) [ 93.290394] ffff8801db207b30: 0000000000000000 ... [ 93.290396] ffff8801db207b38: 0000000000000002 (0x2) [ 93.290397] ffff8801db207b40: 0000000000000001 (0x1) [ 93.290400] ffff8801db207b48: ffff880100000001 (0xffff880100000001) [ 93.290403] ffff8801db207b50: ffffffff815518b5 (lock_acquire+0x1d5/0x580) [ 93.290404] ffff8801db207b58: 0000000000000000 ... [ 93.290409] ffff8801db207b60: ffffffff81613c03 (clockevents_program_event+0x163/0x2e0) [ 93.290410] ffff8801db207b68: 0000000000000000 ... [ 93.290412] ffff8801db207b70: 0000000000000082 (0x82) [ 93.290414] ffff8801db207b78: 00000015b8754529 (0x15b8754529) [ 93.290416] ffff8801db207b80: 0000000000000002 (0x2) [ 93.290418] ffff8801db207b88: fffffbfff0b98234 (0xfffffbfff0b98234) [ 93.290420] ffff8801db207b90: 0000000000000082 (0x82) [ 93.290422] ffff8801db207b98: 0000000000000001 (0x1) [ 93.290425] ffff8801db207ba0: ffffffff87061d08 (tk_core+0x8/0x140) [ 93.290427] ffff8801db207ba8: ffff88021fff9017 (0xffff88021fff9017) [ 93.290429] ffff8801db207bb0: ffff8801cf3f88d8 (0xffff8801cf3f88d8) [ 93.290431] ffff8801db207bb8: ffff8801cf3f8040 (0xffff8801cf3f8040) [ 93.290434] ffff8801db207bc0: ffffed0039e7f11a (0xffffed0039e7f11a) [ 93.290438] ffff8801db207bc8: ffffffff85b38160 (rcu_callback_map+0x60/0x60)