Message-ID: <0000000000000956640571197f98@google.com>
Date:   Mon, 16 Jul 2018 01:20:02 -0700
From:   syzbot <syzbot+903cdd6bce9a6eb832a4@...kaller.appspotmail.com>
To:     ak@...ux.intel.com, ebiggers@...gle.com, hpa@...or.com,
        jgross@...e.com, keescook@...omium.org,
        linux-kernel@...r.kernel.org, luto@...nel.org, mingo@...hat.com,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de, x86@...nel.org
Subject: WARNING: kernel stack frame pointer has bad value (2)

Hello,

syzbot found the following crash on:

HEAD commit:    c31496dbacc2 Merge tag 'for-linus-4.18-rc5-tag' of git://g..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=136d770c400000
kernel config:  https://syzkaller.appspot.com/x/.config?x=25856fac4e580aa7
dashboard link: https://syzkaller.appspot.com/bug?extid=903cdd6bce9a6eb832a4
compiler:       gcc (GCC) 8.0.1 20180413 (experimental)

Unfortunately, I don't have any reproducer for this crash yet.

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+903cdd6bce9a6eb832a4@...kaller.appspotmail.com

binder: 23389:23392 ERROR: BC_REGISTER_LOOPER called without request
binder: 23389:23392 unknown command 0
binder: 23389:23392 ioctl c0306201 2000efd0 returned -22
WARNING: kernel stack frame pointer at 00000000dd2b4720 in  
syz-executor4:23395 has bad value 0000000035266bf0
unwind stack type:0 next_sp:          (null) mask:0x2 graph_idx:0
00000000d307878c: ffff8801b2e26b80 (0xffff8801b2e26b80)
00000000a5e29d4b: ffffffff812d369d (__save_stack_trace+0x7d/0xf0)
000000008f1ec963: 0000000000000000 ...
000000008a1bd6e7: ffff8801b2e20000 (0xffff8801b2e20000)
00000000f78e715f: ffff8801b2e28000 (0xffff8801b2e28000)
000000002616d809: 0000000000000000 ...
000000001b7077a7: 0000000000000002 (0x2)
0000000090fd08e4: ffff880198f2a680 (0xffff880198f2a680)
00000000dbfa684c: 0000010100000000 (0x10100000000)
00000000cb1132ef: ffff8801b2e27458 (0xffff8801b2e27458)
0000000038c2a725: ffff8801b2e26af0 (0xffff8801b2e26af0)
000000001c5817c2: ffffffff815f1750 (lock_release+0xa30/0xa30)
00000000beeee1a2: 0000000000000000 ...
00000000f34cc57e: 3aee86f4bec70600 (0x3aee86f4bec70600)
000000000db4bbe9: ffffffff8a603b58 (lock_classes+0x9b198/0x29fee0)
000000000e769f75: ffffffff8a241a68 (stack_trace+0x121148/0x400020)
000000001a5d9de1: ffffffff8a603b5c (lock_classes+0x9b19c/0x29fee0)
00000000c2d035dd: 0000000000000008 (0x8)
00000000caea43e1: ffff8801b2e26b90 (0xffff8801b2e26b90)
00000000003a0884: ffffffff812d372a (save_stack_trace+0x1a/0x20)
00000000c939fe29: ffff8801b2e26bd0 (0xffff8801b2e26bd0)
000000009341d9a0: ffffffff815e0c40 (save_trace+0xe0/0x290)
000000007ad3e489: ffff8801b2e26bb0 (0xffff8801b2e26bb0)
00000000b7e4e22a: 1ffff100365c4d81 (0x1ffff100365c4d81)
00000000de858161: ffff880198f2afa8 (0xffff880198f2afa8)
0000000007f566a6: ffff880198f2afc8 (0xffff880198f2afc8)
00000000a1ce690d: 0000000000000008 (0x8)
00000000fde86834: 0000000000000100 (0x100)
00000000e05bd15b: ffff8801b2e26d10 (0xffff8801b2e26d10)
000000006543447e: ffffffff815e8a9a (mark_lock+0x3aa/0x19f0)
00000000f1019a5a: ffff88019eaa65d0 (0xffff88019eaa65d0)
0000000029d7302f: ffffffff815e2225 (__lock_is_held+0xb5/0x140)
0000000091b9d58b: 0000000041b58ab3 (0x41b58ab3)
000000003115be7f: ffff880198f2a680 (0xffff880198f2a680)
00000000cd482fdc: ffff880100000008 (0xffff880100000008)
000000003698fffe: 0000000041b58ab3 (0x41b58ab3)
0000000014c51d07: ffffffff88bd7c30 (regoff.34024+0x36a210/0x37af60)
000000004e2df20a: ffffffff815e86f0 (print_usage_bug+0xc0/0xc0)
00000000b9144ede: ffffffff899f35f0 (offload_base+0x10/0x10)
0000000068b70fd3: ffffffff8a5689d0 (lock_classes+0x10/0x29fee0)
0000000013a2bdb8: 3aee86f4bec70600 (0x3aee86f4bec70600)
00000000c700383a: ffff8801afd007c0 (0xffff8801afd007c0)
0000000001840907: ffff8801afd007c0 (0xffff8801afd007c0)
00000000688cfa2e: 3aee86f4bec70600 (0x3aee86f4bec70600)
00000000806e4815: 1ffff100365c4d92 (0x1ffff100365c4d92)
00000000b7168aa1: 3aee86f4bec70600 (0x3aee86f4bec70600)
00000000570f0e0b: dffffc0000000000 (0xdffffc0000000000)
00000000a37e1002: ffffffff88f7b480 (root_cpuacct+0x1000/0x1000)
00000000cc719769: ffff8801afd00400 (0xffff8801afd00400)
00000000c41a2b95: ffff88019eaa6540 (0xffff88019eaa6540)
00000000120bcfc4: ffff88019eaa6610 (0xffff88019eaa6610)
00000000d4d0f11d: ffff8801b2e26eb0 (0xffff8801b2e26eb0)
00000000ab11c684: ffffffff85f898f3 (dev_hard_start_xmit+0x173/0xc30)
00000000e6f967a7: ffffffff88bd7800 (regoff.34024+0x369de0/0x37af60)
00000000fcd5bcad: 1ffff100365c4d9d (0x1ffff100365c4d9d)
00000000229b017a: ffffffff8a603a70 (lock_classes+0x9b0b0/0x29fee0)
00000000fc2b80a1: 1ffff100365c4da1 (0x1ffff100365c4da1)
0000000079dc8117: ffffed00365c4da1 (0xffffed00365c4da1)
00000000c809e95c: ffff88019eaa6728 (0xffff88019eaa6728)
00000000642ece16: ffff8801b2e26c01 (0xffff8801b2e26c01)
0000000057bd14b1: ffffffff817c0c2a  
(__sanitizer_cov_trace_const_cmp1+0x1a/0x20)
00000000ebaf14e5: ffff8801c9c2c700 (0xffff8801c9c2c700)
00000000aa8fcf82: 3aee86f4bec70600 (0x3aee86f4bec70600)
00000000846403c7: 0000000000000763 (0x763)
0000000084f33fe0: ffff880198f2afca (0xffff880198f2afca)
000000007499e1fc: 0000000000000007 (0x7)
00000000ea4ac45c: ffff880198f2a680 (0xffff880198f2a680)
000000003f39d3ea: 000000000000000c (0xc)
0000000052dbda05: ffff8801b2e270a8 (0xffff8801b2e270a8)
00000000a6dc2ae0: ffffffff815eb00c (__lock_acquire+0x7fc/0x5020)
0000000008b1fc78: ffff8801b2e26d98 (0xffff8801b2e26d98)
00000000960a9a88: ffffffff86926a0f (validate_xmit_xfrm+0x1ef/0xdc0)
000000006eb6a7f6: 0000000000000000 ...
0000000076f03b5e: 3aee86f4bec70600 (0x3aee86f4bec70600)
000000009a2cecc6: ffff880198f2af00 (0xffff880198f2af00)
00000000be71225c: ffff88019e45c928 (0xffff88019e45c928)
00000000635bff21: ffff880198f2a680 (0xffff880198f2a680)
00000000e7aa1aff: 0000000000000000 ...
00000000949522a1: 0000000000000001 (0x1)
00000000dd834bdf: 0000000000000000 ...
000000001ff35eda: ffff8801b2e26e90 (0xffff8801b2e26e90)
000000000f87ee21: ffffffff815f1934 (lock_acquire+0x1e4/0x540)
00000000b6bf96de: ffff880198f2afc0 (0xffff880198f2afc0)
000000001869183d: ffffffff00000006 (0xffffffff00000006)
00000000e8bc2543: ffff880198f2afc8 (0xffff880198f2afc8)
000000000e917578: ffff880198f2aeb0 (0xffff880198f2aeb0)
0000000002f68c56: ffff880198f2afa8 (0xffff880198f2afa8)
00000000c80f9403: ffff880198f2aeb8 (0xffff880198f2aeb8)
00000000747a1c35: 1ffff100365c4db8 (0x1ffff100365c4db8)
00000000a1fd0069: 0000000000000000 ...
0000000048c72f12: 0000000041b58ab3 (0x41b58ab3)
0000000018a1c9f0: ffffffff88bf1308 (K512_4+0x6788/0x12085c)
00000000e0720cfc: ffffffff815ea810 (trace_hardirqs_on+0x10/0x10)
00000000e94d1368: ffffffff815f1750 (lock_release+0xa30/0xa30)
000000000d7296d6: 0000000041b58ab3 (0x41b58ab3)
00000000df8b2f98: ffffffff88bd5e44 (regoff.34024+0x368424/0x37af60)
0000000022b8735f: ffffffff85f88080 (netif_skb_features+0xb70/0xb70)
000000005e960ed5: 0000000000000000 ...
0000000062b9b958: 3aee86f4bec70600 (0x3aee86f4bec70600)
000000005402b303: 3aee86f4bec70600 (0x3aee86f4bec70600)
00000000812cd5e1: 0000000000000001 (0x1)
00000000e520da0b: 0000000000000000 ...
000000009ccf580d: ffffffff89f5c5a8 (lock_chains+0x43ea8/0x200020)
0000000034c9aaff: 0000000000000000 ...
0000000006a8ce80: ffff88019ea0c340 (0xffff88019ea0c340)
0000000091f83256: ffff88019ea0c348 (0xffff88019ea0c348)
000000000486053d: ffff88019ea0c350 (0xffff88019ea0c350)
00000000c543e06a: ffff8801b2e26e58 (0xffff8801b2e26e58)
00000000672b8044: ffffffff81b9da54 (kasan_check_write+0x14/0x20)
00000000d4dd5cb4: ffff8801b2e26e90 (0xffff8801b2e26e90)
00000000b389ef95: ffffffff816017a1 (do_raw_spin_lock+0xc1/0x200)
000000003c9de80b: ffff88019ea0c340 (0xffff88019ea0c340)
000000009c5067bb: ffff88019ea0c340 (0xffff88019ea0c340)
000000005b8a2102: ffff88019ea0c2c0 (0xffff88019ea0c2c0)
0000000028241823: 3aee86f4bec70600 (0x3aee86f4bec70600)
000000009a810b78: ffff8801b2e26fa8 (0xffff8801b2e26fa8)
00000000e58145fc: ffff88019ea0c2c0 (0xffff88019ea0c2c0)
000000005598f286: ffff8801afd00400 (0xffff8801afd00400)
00000000feb38ae8: ffff88019c376940 (0xffff88019c376940)
000000002215a699: ffff88019eaa6610 (0xffff88019eaa6610)
000000002ab5021c: ffff8801b2e26fd0 (0xffff8801b2e26fd0)
000000009a12cab6: ffffffff860c87c6 (sch_direct_xmit+0x486/0x1140)
00000000cf2cb5c7: ffff88019c376940 (0xffff88019c376940)
000000009629b205: 0000000041b58ab3 (0x41b58ab3)
000000002184fdd9: ffffffff88bdf618 (regoff.34024+0x371bf8/0x37af60)
00000000619b6b81: ffffffff860c35e0 (noqueue_init+0x40/0x40)
00000000a88bdc6f: 0000000000000000 ...
000000002beebc0a: ffff8801b2e26f68 (0xffff8801b2e26f68)
000000004ef072de: 1ffff100365c4de1 (0x1ffff100365c4de1)
00000000bdc57d96: 0000000000000000 ...
000000004904994a: ffff88019eaa6540 (0xffff88019eaa6540)
00000000ec816361: 0000000041b58ab3 (0x41b58ab3)
0000000042635bbf: ffffffff88ccdf8f (K512_4+0xe340f/0x12085c)
000000007093f90d: ffffffff860c8340 (dev_watchdog+0xb10/0xb10)
00000000ac6dce73: ffffed00331e55d6 (0xffffed00331e55d6)
000000000b52725e: ffff880198f2ae00 (0xffff880198f2ae00)
000000008dc2e847: 0000000000000002 (0x2)
000000009fef9361: ffff8801b2e26f88 (0xffff8801b2e26f88)
00000000c6ec1acd: ffffffff815e2225 (__lock_is_held+0xb5/0x140)
0000000072603c55: ffffffffb2e26fd0 (0xffffffffb2e26fd0)
0000000065c95123: ffff880198f2aeb0 (0xffff880198f2aeb0)
000000004c37101f: ffffffff88f925a0 (rcu_callback_map+0x40/0x40)
00000000b07f0a3d: 0000000000000286 (0x286)
00000000194edb83: ffff880100000010 (0xffff880100000010)
00000000b48dfbfc: ffffffff88f925a0 (rcu_callback_map+0x40/0x40)
000000009aa8fc0b: ffff88019c376940 (0xffff88019c376940)
00000000d32c3de2: ffff8801afd007c0 (0xffff8801afd007c0)
00000000a29bad7c: ffff8801b2e26fb8 (0xffff8801b2e26fb8)
0000000001538360: 0000000000000286 (0x286)
0000000051e29542: 0000000000000000 ...
00000000036084c7: 3aee86f4bec70600 (0x3aee86f4bec70600)
00000000a5252733: 0000000000000000 ...
0000000002c179b8: ffff88019ea0c2c0 (0xffff88019ea0c2c0)
00000000509fe9e1: dffffc0000000000 (0xdffffc0000000000)
00000000a32efb8d: ffff88019c376940 (0xffff88019c376940)
000000002294494d: ffff8801afd007c0 (0xffff8801afd007c0)
00000000ac0fca89: ffff8801b2e27198 (0xffff8801b2e27198)
00000000c227782e: ffffffff860c9a99 (__qdisc_run+0x619/0x19f0)
000000003fe0b810: ffff8801b2e27070 (0xffff8801b2e27070)
0000000056f759a3: 1ffff100365c4e0a (0x1ffff100365c4e0a)
0000000036308db9: ffffffff88bd51c7 (regoff.34024+0x3677a7/0x37af60)
00000000681c5eac: ffffed00365c4e0e (0xffffed00365c4e0e)
00000000143a3221: ffff88019c376948 (0xffff88019c376948)
000000001654714a: 1ffff100365c4e06 (0x1ffff100365c4e06)
00000000c520f84a: ffffffff899ed160 (__cpu_present_mask+0x8/0x8)
00000000741787ab: ffff88019c376980 (0xffff88019c376980)
00000000262937b9: ffff88019c3769c0 (0xffff88019c3769c0)
000000009743e54e: 3aee86f4ffffff01 (0x3aee86f4ffffff01)
0000000091bf65b8: ffff88019c376950 (0xffff88019c376950)
00000000888d8bbe: 00000040365c4e17 (0x40365c4e17)
000000006b28a8b4: 0000000000000001 (0x1)
00000000503bfb17: ffff88019ea0c2c0 (0xffff88019ea0c2c0)
0000000098a99289: 0000000041b58ab3 (0x41b58ab3)
00000000885ec6f3: ffffffff88bd7188 (regoff.34024+0x369768/0x37af60)
000000002e952352: ffffffff860c9480 (sch_direct_xmit+0x1140/0x1140)
000000002807afd0: 0000000000000001 (0x1)
000000002dfd4a9a: 0000000000000000 ...
00000000af414281: 3aee86f4bec70600 (0x3aee86f4bec70600)
00000000d3a2e247: 1ffff100365c4e20 (0x1ffff100365c4e20)
000000008e63b0a3: ffff880198f2a680 (0xffff880198f2a680)
00000000679e95b2: 0000000000000000 ...
00000000d559f312: 0000000000000001 (0x1)
000000000fb50e8d: 0000000000000000 ...
0000000074ca6f2a: ffff8801b2e271c8 (0xffff8801b2e271c8)
000000000fd21fa6: ffffffff815f1934 (lock_acquire+0x1e4/0x540)
000000007da037d5: 0000000000000000 ...
000000003dff24b3: ffffffff81b9e97e (kasan_report+0x8e/0x110)
000000003c5750ff: 0000000000000000 ...
000000001131e5ff: ffffffff88bd51c7 (regoff.34024+0x3677a7/0x37af60)
00000000e390f4e1: ffffffff815f1750 (lock_release+0xa30/0xa30)
000000002ad9f337: 0000000000000086 (0x86)
0000000052c5fedd: 00000000b2e27188 (0xb2e27188)
00000000db29e534: ffffffff89029cd8 (report_lock+0x18/0x40)
000000000aed230c: 0000000041b58ab3 (0x41b58ab3)
000000005a8930c5: ffffffff88bd51c7 (regoff.34024+0x3677a7/0x37af60)
0000000070e61733: ffffffff815f1750 (lock_release+0xa30/0xa30)
00000000de3e3542: 0000000000000000 ...
0000000011064908: ffffffff00000000 (0xffffffff00000000)
0000000007407cb7: ffffffff860c4720 (mini_qdisc_pair_init+0x160/0x160)
000000001b98a3ca: 0000000000000000 ...
0000000028c99718: ffff8801afd007c0 (0xffff8801afd007c0)
000000008e8612e1: ffffffff88f925a0 (rcu_callback_map+0x40/0x40)
00000000867bb79e: 0000000000000000 ...
00000000106b7ade: 3aee86f4bec70600 (0x3aee86f4bec70600)
000000000337a54f: ffff88019c376b78 (0xffff88019c376b78)
00000000d6015d7d: 0000000000000000 ...
000000008271684f: 3aee86f4bec70600 (0x3aee86f4bec70600)
00000000fe71be97: ffff88019c376a78 (0xffff88019c376a78)
000000009c222b75: 0000000000000000 ...
000000005375a800: ffff88019c376940 (0xffff88019c376940)
000000007c48d9ab: 0000000000000100 (0x100)
0000000054464db7: ffff88019c376a70 (0xffff88019c376a70)
000000003c437d92: 3aee86f4bec70600 (0x3aee86f4bec70600)
0000000077b6de6f: ffffffff89029cc0 (kmem_cache_boot+0x320/0x320)
0000000028312c9e: 0000000000000086 (0x86)
0000000048d091d8: 0000000000000000 ...
00000000d78aa4b3: ffffffff81365ee6 (fixup_exception+0xc6/0xcb)
00000000119a6f34: 0000000000000000 ...
00000000d09db23e: ffff8801b2e271f0 (0xffff8801b2e271f0)
00000000ca1fc683: ffffffff87940bb6 (_raw_spin_lock_irqsave+0x96/0xc0)
00000000d236a9ff: ffffffff81b9e97e (kasan_report+0x8e/0x110)
00000000fcd5f062: ffff8801b2e27348 (0xffff8801b2e27348)
000000006b1c81b4: 0000000000000008 (0x8)
000000000da66f86: ffff8801b2e27238 (0xffff8801b2e27238)
000000007d1711cf: ffffffff81b9e97e (kasan_report+0x8e/0x110)
00000000324f98cf: ffffffff816677a0 (rcu_report_qs_rnp+0x7a0/0x7a0)
0000000007ce5bb1: 3aee86f4bec70600 (0x3aee86f4bec70600)
000000001d27a006: ffff8801b2e272c8 (0xffff8801b2e272c8)
0000000029a8b0ec: ffff880198f2a680 (0xffff880198f2a680)
00000000074bfd15: ffff8801b2e272c8 (0xffff8801b2e272c8)
00000000fb16ecaa: 000000000000000d (0xd)
00000000ad1885d4: 0000000000000000 ...
00000000b397a762: ffff8801b2e27248 (0xffff8801b2e27248)
000000000da6b591: ffffffff81b9ea74 (__asan_report_load8_noabort+0x14/0x20)
000000006ade75cc: ffff8801b2e27278 (0xffff8801b2e27278)
00000000cd57f1ce: ffffffff81365ee6 (fixup_exception+0xc6/0xcb)
00000000d87b605c: ffff8801b2e272c8 (0xffff8801b2e272c8)
0000000060fbf76e: ffff880198f2a680 (0xffff880198f2a680)
0000000058a6255f: 0000000000000000 ...
000000000dff31bb: ffff8801b2e272b8 (0xffff8801b2e272b8)
00000000626bf62f: ffffffff8129cac3 (do_general_protection+0x1c3/0x2f0)
0000000066ef7347: 0000000087a00a07 (0x87a00a07)
0000000037fea57a: 0000000000000001 (0x1)
00000000d5c26829: 0000000000000000 ...
00000000bc980ee2: ffff8801b2e272c9 (0xffff8801b2e272c9)
000000006723023c: ffffffff87a00f9e (general_protection+0x1e/0x30)
00000000288050b6: 0000000000000000 ...
00000000d95ae78d: ffff8801b2e27458 (0xffff8801b2e27458)
00000000cf8bcee8: 0000000010000000 (0x10000000)
00000000ce251a17: 0000000000000000 ...
00000000b7f5e222: ffff880198f2a680 (0xffff880198f2a680)
000000003f82814e: 1ffff100365c4e83 (0x1ffff100365c4e83)
0000000015163f2c: ffffc90002a12000 (0xffffc90002a12000)
00000000476514f1: 1ffff100331e55d7 (0x1ffff100331e55d7)
0000000068bf91c9: ffffffff811f4727 (vmx_vcpu_run+0x1307/0x2600)
000000005bdea1e8: 0000000000000005 (0x5)
0000000030979fab: ffffffffffffffff (0xffffffffffffffff)
00000000667f78eb: ffffffff811f4748 (vmx_vcpu_run+0x1328/0x2600)
00000000d3fd9b39: 0000000000000010 (0x10)
00000000d5ecdf4a: 0000000000010046 (0x10046)
00000000a4580412: ffff8801b2e27370 (0xffff8801b2e27370)
00000000cd536266: 0000000000000018 (0x18)
00000000dca12b52: 1ffff100365c4e83 (0x1ffff100365c4e83)
000000000ad0ac11: ffff880198f2aeb8 (0xffff880198f2aeb8)
00000000f19c5027: ffff88019c77e688 (0xffff88019c77e688)
000000003d8d582a: ffff88019c77e688 (0xffff88019c77e688)
00000000351fafad: 0000000000000000 ...
00000000d88610ee: ffff8801b2e273e0 (0xffff8801b2e273e0)
00000000d3a6008c: ffffffff815e1fe6 (find_held_lock+0x36/0x1c0)
00000000fe38bd96: 00000001b2e273b8 (0x1b2e273b8)
000000006abeac8e: ffff8801b2e27438 (0xffff8801b2e27438)
00000000b7dadfe6: 1ffff100365c4e83 (0x1ffff100365c4e83)
000000007b4a2214: ffff8801b2e274f8 (0xffff8801b2e274f8)
000000001625208e: ffff88019c77e688 (0xffff88019c77e688)
00000000784b6c7e: ffff880198f2a680 (0xffff880198f2a680)
00000000bdba5c14: ffff8801b2e27438 (0xffff8801b2e27438)
00000000e4bf1fbe: ffff8801b2e27520 (0xffff8801b2e27520)
00000000e0af99a9: 0000000000000286 (0x286)
0000000054193d42: 0000000000000000 ...
000000003f832237: ffff880100000001 (0xffff880100000001)
00000000a36cd698: ffff880198f2aeb0 (0xffff880198f2aeb0)
00000000268984f0: 0000000000000286 (0x286)
000000009218bbe9: ffffffff00000001 (0xffffffff00000001)
00000000b65360b0: 0000000041b58ab3 (0x41b58ab3)
00000000ca0ec8da: ffffffff88bf1398 (K512_4+0x6818/0x12085c)
000000009320ce9f: ffffffff815f0d20 (lock_downgrade+0x8f0/0x8f0)
0000000033162354: 0000000000000500 (0x500)
00000000025d5f36: 0000000000000000 ...
000000002084b3c7: ffff88019c77e688 (0xffff88019c77e688)
000000001cce91d3: 0000000041b58ab3 (0x41b58ab3)
00000000dd2b4720: ffffffff88bd51c7 (regoff.34024+0x3677a7/0x37af60)
00000000423f1c0b: ffffffff815f1750 (lock_release+0xa30/0xa30)
0000000006c157f6: ffffffff88be6507 (regoff.34024+0x378ae7/0x37af60)
0000000050e62de3: ffffffff81542620 (check_same_owner+0x340/0x340)
00000000626e8fb3: ffff8801b2e274b0 (0xffff8801b2e274b0)
00000000a7ee06bc: ffffffff85ef9b5e (skb_set_owner_w+0x24e/0x360)
000000006a73e029: 0000000000000000 ...
0000000032c7251d: ffff8801afd007c0 (0xffff8801afd007c0)
0000000044e1d460: ffff8801b2e276c0 (0xffff8801b2e276c0)
000000008696da64: 0000000000034000 (0x34000)
00000000339801bb: dffffc0000000000 (0xdffffc0000000000)
000000008a3406bc: 0000000000000000 ...
00000000d6c26fa4: ffff880198f2a680 (0xffff880198f2a680)
0000000011df9c85: ffffffff881a3c60 (guid_null+0x120/0x560)
00000000e53036c6: 0000000000000285 (0x285)
00000000b624b512: 0000000000000000 ...
000000006a36526e: 0000000000000062 (0x62)
000000009d12467c: 00000000200002ec (0x200002ec)
00000000add7e1d9: 000000002000028a (0x2000028a)
0000000034b8eb5a: ffff8801b2e27508 (0xffff8801b2e27508)
000000005426a2de: ffffffff81b9da54 (kasan_check_write+0x14/0x20)
0000000032ca6da5: ffff8801b2e27548 (0xffff8801b2e27548)
00000000c6d8b7ce: ffff88019c376940 (0xffff88019c376940)
00000000c4fcb61f: 0000000000000000 ...
00000000f58a7111: 0000000000000062 (0x62)
0000000070854bd7: 000000000000006c (0x6c)
00000000817df4dc: 0000000000000000 ...
000000001c0d4f50: ffff8801b2e27548 (0xffff8801b2e27548)
000000009573d37d: ffffffff817c0c08 (__sanitizer_cov_trace_cmp8+0x18/0x20)
000000000b12126d: ffff8801b2e27660 (0xffff8801b2e27660)
0000000096aa120b: 0000000000000000 ...
0000000082d5a383: ffffffff817c0c08 (__sanitizer_cov_trace_cmp8+0x18/0x20)
0000000082be9464: ffff8801b2e27660 (0xffff8801b2e27660)
0000000068128dfe: ffffffff81c24e6d (__check_object_size+0x9d/0x5f2)
0000000058d2bf6a: 0000000041b58ab3 (0x41b58ab3)
00000000f0393536: ffff8801b2e27ca0 (0xffff8801b2e27ca0)
00000000648550b3: ffff8801b2e27c90 (0xffff8801b2e27c90)
00000000084690ac: ffff8801af2cb774 (0xffff8801af2cb774)
00000000e9b8cdcd: ffff8801b2e27c98 (0xffff8801b2e27c98)
00000000210e899c: 0000000041b58ab3 (0x41b58ab3)
00000000439d8289: 1ffff100365c4ebb (0x1ffff100365c4ebb)
00000000426b82fc: ffffffff81c24dd0 (usercopy_warn+0x120/0x120)
00000000b01a6e6e: 000000000000006c (0x6c)
00000000870b6843: ffff8801b2e27c48 (0xffff8801b2e27c48)
00000000254be3eb: ffff8801b2e27c40 (0xffff8801b2e27c40)
00000000082eec71: ffff8801af2cb774 (0xffff8801af2cb774)
00000000a273a4c2: 0000000000000062 (0x62)
0000000053aec4db: 0000000041b58ab3 (0x41b58ab3)
000000009ac07220: ffffffff88c57cfc (K512_4+0x6d17c/0x12085c)
00000000fcb69abd: ffffffff835dafc0 (_copy_from_iter_nocache+0x1050/0x1050)
00000000dd3412bb: 0000000000000000 ...
00000000e134e4d7: ffffea000656fa08 (0xffffea000656fa08)
000000008d39697e: ffffffff835d0bec (_copy_from_iter_full+0x2bc/0xd20)
000000003b1313dc: ffff8801dae236b0 (0xffff8801dae236b0)
00000000d8393489: 0000000000000000 ...
0000000028f94eea: ffffffff81b9da31 (kasan_check_read+0x11/0x20)
000000003c34fd61: ffff8801b2e276c0 (0xffff8801b2e276c0)
00000000c41bc2e0: 1ffff100365c4ecc (0x1ffff100365c4ecc)
00000000da415aba: 3aee86f4bec70600 (0x3aee86f4bec70600)
0000000092342c82: 0000000000000062 (0x62)
00000000c93d1a2e: 0000000000000062 (0x62)
0000000053afd30c: ffff8801af2cb712 (0xffff8801af2cb712)
000000005c1a3894: 0000000000000000 ...
000000009f9fd6e1: ffffffff817c0c66  
(__sanitizer_cov_trace_const_cmp4+0x16/0x20)
00000000fbd2550b: ffff8801b2e268f8 (0xffff8801b2e268f8)
00000000dafdf71a: dffffc0000000000 (0xdffffc0000000000)
0000000020922d1d: ffff8801b4707db8 (0xffff8801b4707db8)
000000009015f5ae: ffff88019e45c1c0 (0xffff88019e45c1c0)
000000001f231f5f: ffff880198f2aed8 (0xffff880198f2aed8)
00000000795bbb1f: ffff8801b2e269a0 (0xffff8801b2e269a0)
00000000940857bc: 1ffff100368e0fb7 (0x1ffff100368e0fb7)
00000000ef7c2f49: ffff8801b2e268f8 (0xffff8801b2e268f8)
00000000a1149c47: ffff880198f2a680 (0xffff880198f2a680)
000000003c161aed: ffffed003b5c46d6 (0xffffed003b5c46d6)
0000000036ac4929: ffffed003b5c46d6 (0xffffed003b5c46d6)
000000004ceb6657: ffff8801dae236b3 (0xffff8801dae236b3)
00000000cb0f390d: ffff8801b2e26978 (0xffff8801b2e26978)
00000000d8cdaf10: 1ffff100365c4d13 (0x1ffff100365c4d13)
0000000027f7311a: ffff8801b4707d80 (0xffff8801b4707d80)
000000001747afee: ffff88019e45c3c8 (0xffff88019e45c3c8)
00000000f507eec8: 0000000000000000 ...
00000000002f2f22: ffff8801b2e27b30 (0xffff8801b2e27b30)
000000005e5f9611: ffffffff86bb7aee (packet_sendmsg+0x428e/0x6130)
0000000036f00016: ffff8801b2e27740 (0xffff8801b2e27740)
00000000d6580bb9: 000000000044f5d0 (0x44f5d0)
00000000d53f6df3: 0000000188bd51c7 (0x188bd51c7)
000000005dc5cca3: ffff8801b2e27798 (0xffff8801b2e27798)
00000000c34d423f: 1ffff100365c4eef (0x1ffff100365c4eef)
000000001c4534f4: ffff8801b2e27858 (0xffff8801b2e27858)
00000000683f2cb4: ffffffff88f92620 (rcu_bh_lock_map+0x40/0x40)
00000000038e2ef8: ffff880198f2a680 (0xffff880198f2a680)
00000000adfbab58: ffff8801b2e27798 (0xffff8801b2e27798)
000000001568a59f: ffff8801b2e27880 (0xffff8801b2e27880)
00000000f3cd0858: 0000000000000286 (0x286)
000000004fe8bb57: 0000000000000000 ...
00000000d9865248: ffff880100000001 (0xffff880100000001)
0000000073c26d7b: ffff880198f2aeb0 (0xffff880198f2aeb0)
00000000acca94a2: 0000000000000286 (0x286)
00000000f1a5b842: ffffffff00000001 (0xffffffff00000001)
0000000047dd5da9: 1ffff100365c4f05 (0x1ffff100365c4f05)
00000000d281b6a6: ffff88019e45c710 (0xffff88019e45c710)
0000000048fbdc2e: ffff88019eaa6786 (0xffff88019eaa6786)
00000000bc11bb2b: 0000000000000062 (0x62)
00000000bf8d0310: ffff88019e45c220 (0xffff88019e45c220)
0000000095ff54a8: ffff8801afd00888 (0xffff8801afd00888)
00000000ade542d4: 00010000dae236a0 (0x10000dae236a0)
000000008c5e5cbe: ffff8801afd00890 (0xffff8801afd00890)
0000000010ced30e: ffff8801b2e27d04 (0xffff8801b2e27d04)
0000000061550119: ffff8801afd00898 (0xffff8801afd00898)
000000002b12da51: ffff8801dae23601 (0xffff8801dae23601)
0000000096618c28: ffff880100000062 (0xffff880100000062)
000000007363da37: ffffffff81b90008 (ksm_do_scan+0x2d68/0x4ff0)
0000000074cb0217: ffff880100000000 (0xffff880100000000)
00000000692c8805: ffff8801d26c3602 (0xffff8801d26c3602)
0000000056caef25: ffff880100000000 (0xffff880100000000)
0000000048f0626c: 000000000000000e (0xe)
00000000ca43726d: ffff8801b2e27948 (0xffff8801b2e27948)
00000000017319e3: ffff8801b2e27988 (0xffff8801b2e27988)
0000000029dc3d34: 000000000000006c (0x6c)
00000000999d1ca2: ffff8801b2e27888 (0xffff8801b2e27888)
000000004b28e137: ffff88019eaa6540 (0xffff88019eaa6540)
00000000ae849909: 0000000041b58ab3 (0x41b58ab3)
000000009cca5655: ffffffff88ce68e0 (K512_4+0xfbd60/0x12085c)
00000000186e8da0: ffffffff86bb3860 (packet_getname+0x5f0/0x5f0)
00000000d6668977: ffff8801b2e27870 (0xffff8801b2e27870)
0000000078106820: 0000000000000286 (0x286)
00000000cc9b041a: 3aee86f4bec70600 (0x3aee86f4bec70600)
0000000058d15a0f: 0000000000000001 (0x1)
00000000c458275d: ffff8801b3d5d5f0 (0xffff8801b3d5d5f0)
0000000044371996: dffffc0000000000 (0xdffffc0000000000)
00000000271c5168: ffff8801b2e279b8 (0xffff8801b2e279b8)
000000002ebb0273: 0000000041b58ab3 (0x41b58ab3)
000000000d8cfa86: ffffffff88bd51c7 (regoff.34024+0x3677a7/0x37af60)
0000000004d4defb: ffffffff00000000 (0xffffffff00000000)
000000001b7ef5a5: ffff8801b2e27938 (0xffff8801b2e27938)
000000004e607365: 1ffff100365c4f1b (0x1ffff100365c4f1b)
00000000cc4cc40e: 0000001300004000 (0x1300004000)
000000009c4857eb: ffff8801bdf2ec10 (0xffff8801bdf2ec10)
00000000d408686f: ffff8801b3d5d580 (0xffff8801b3d5d580)
00000000af67ff63: ffff8801bdf2ebc0 (0xffff8801bdf2ebc0)
00000000aa075c9c: ffffffff81601b01 (do_raw_spin_unlock+0x61/0x2f0)
000000008a1874e7: ffff8801b2e27978 (0xffff8801b2e27978)
0000000076f1b87c: ffffed00365c4f27 (0xffffed00365c4f27)
00000000b7a0536f: 0000000041b58ab3 (0x41b58ab3)
00000000e4ed2e5f: ffffffff88bd5a98 (regoff.34024+0x368078/0x37af60)
000000009276d2d7: ffffffff81cc8760 (expand_files.part.8+0x9c0/0x9c0)
00000000f8235dc8: ffffffff81294090 (compat_start_thread+0x80/0x80)
00000000778def9f: 0000000000000001 (0x1)
000000003e0ec936: ffffffff87940637 (_raw_spin_unlock_irq+0x27/0x70)
000000009693ec35: ffff8801bb106000 (0xffff8801bb106000)
00000000dd74a0d7: 3aee86f4bec70600 (0x3aee86f4bec70600)
000000004100ea75: 1ffff100365c4f38 (0x1ffff100365c4f38)
0000000027835102: ffff880198f2aeb8 (0xffff880198f2aeb8)
00000000dcc20d3f: ffff88019c77e688 (0xffff88019c77e688)
00000000d196ba6c: ffff88019c77e688 (0xffff88019c77e688)
00000000eca03010: 0000000000000000 ...
0000000026eaf126: ffff8801b2e27988 (0xffff8801b2e27988)
00000000a245ee0f: ffff000000000000 (0xffff000000000000)
000000008e6d9e75: 00000001b2e27968 (0x1b2e27968)
000000005c8ca95e: ffff8801b2e279e0 (0xffff8801b2e279e0)
00000000865b5ad1: 1ffff100365c4f38 (0x1ffff100365c4f38)
00000000548409ea: ffff8801b2e27aa0 (0xffff8801b2e27aa0)
000000007ebd04e3: ffff88019c77e688 (0xffff88019c77e688)
000000009cb042d6: ffff880198f2a680 (0xffff880198f2a680)
00000000d5af2c12: ffff8801b2e279e0 (0xffff8801b2e279e0)
00000000f287d446: 0000000700000302 (0x700000302)
00000000b9664b7c: 0000000000000000 ...
0000000048130abb: ffff880100000001 (0xffff880100000001)
000000006f8a0d34: ffff880198f2aeb0 (0xffff880198f2aeb0)
00000000a70db07b: 0000000000000286 (0x286)
00000000490ee6ab: ffffffff00000001 (0xffffffff00000001)
0000000094dc6fbb: 0000000041b58ab3 (0x41b58ab3)
0000000054d1d2ef: ffffffff88bf1398 (K512_4+0x6818/0x12085c)
00000000c5ed18a9: ffffffff815f0d20 (lock_downgrade+0x8f0/0x8f0)
000000006e73c540: ffff8801bdf2ebc0 (0xffff8801bdf2ebc0)
00000000ba2b9216: 0000000000000000 ...
000000003b3e9e44: ffff88019c77e688 (0xffff88019c77e688)
0000000045f56c7d: 0000000041b58ab3 (0x41b58ab3)
0000000001af2c0c: ffffffff88bd51c7 (regoff.34024+0x3677a7/0x37af60)
000000000698c6c6: 000000040000005a (0x40000005a)
0000000078084025: ffffffff0011dd86 (0xffffffff0011dd86)
000000004061662c: ffffffff81542620 (check_same_owner+0x340/0x340)
00000000479d33ca: 0000000000000001 (0x1)
0000000072998e9b: ffffea0006cb89c0 (0xffffea0006cb89c0)
00000000304f3cb1: ffff8801b2e27b30 (0xffff8801b2e27b30)
000000009ae67e1e: ffffffff81c24e6d (__check_object_size+0x9d/0x5f2)
000000001a616c5d: 0000000098f2a680 (0x98f2a680)
0000000016450608: 0000000000000000 ...
000000003a9e09f9: ffff880198f2a680 (0xffff880198f2a680)
0000000088f6f702: ffffffff881a4b40 (__func__.18908+0xaa0/0xf20)
00000000661fb5db: 000000000000000a (0xa)
00000000fabf0dee: 0000000000000000 ...
00000000bb11b877: ffff8801b2e27ac8 (0xffff8801b2e27ac8)
00000000536b952b: 3aee86f4bec70600 (0x3aee86f4bec70600)
00000000c875b7a2: 3aee86f4bec70600 (0x3aee86f4bec70600)
00000000a4f557e4: ffff880198f2a680 (0xffff880198f2a680)
00000000794823ae: ffffffff881a4b40 (__func__.18908+0xaa0/0xf20)
0000000085634401: 000000000000000a (0xa)
00000000d4e6f524: ffff8801b2e27cf8 (0xffff8801b2e27cf8)
00000000b3805cac: 000000000000001c (0x1c)
00000000f8f140a0: 000000000000001c (0x1c)
000000005e413a7c: 000000002000009c (0x2000009c)
00000000fa1d4c70: 0000000020000080 (0x20000080)
0000000078fca0a3: ffff8801b2e27af0 (0xffff8801b2e27af0)
000000001cba29fa: ffffffff817c0c88  
(__sanitizer_cov_trace_const_cmp8+0x18/0x20)
0000000067795e81: ffff8801b2e27b30 (0xffff8801b2e27b30)
00000000e934e3fe: ffffffff8319d254 (security_socket_sendmsg+0x94/0xc0)
00000000f87cb524: 3aee86f4bec70600 (0x3aee86f4bec70600)
0000000095ba1122: ffffffff86bb3860 (packet_getname+0x5f0/0x5f0)
00000000bafe3d19: ffff8801b2e27c78 (0xffff8801b2e27c78)
0000000049045eee: ffff8801d26c3680 (0xffff8801d26c3680)
00000000122e8394: ffff8801b2e27c98 (0xffff8801b2e27c98)
000000005fb19ef1: 0000000000000000 ...
00000000b040d76d: ffff8801b2e27b60 (0xffff8801b2e27b60)
00000000b1c16ec4: ffffffff85ee51c5 (sock_sendmsg+0xd5/0x120)
000000005f3c2f01: ffff8801b2e27db8 (0xffff8801b2e27db8)
00000000b77fd024: ffff8801b2e27c78 (0xffff8801b2e27c78)
0000000055f0413f: ffff8801d26c3680 (0xffff8801d26c3680)
00000000ed2e128c: ffff8801b2e27bb8 (0xffff8801b2e27bb8)
00000000ebf88e55: ffff8801b2e27de0 (0xffff8801b2e27de0)
000000005a46d7e2: ffffffff85eeb607 (__sys_sendto+0x3d7/0x670)
00000000993cab38: ffff8801b2e27cf8 (0xffff8801b2e27cf8)
00000000d4ceea5c: 00000000b2e27ca8 (0xb2e27ca8)
000000000f0c88f4: ffff8801b2e27bf8 (0xffff8801b2e27bf8)
000000009330d54c: 1ffff100365c4f73 (0x1ffff100365c4f73)
00000000ee5ed43b: 0000000000000000 ...
00000000a54da0de: 0000000041b58ab3 (0x41b58ab3)
000000008d3fafde: ffffffff88cc5298 (K512_4+0xda718/0x12085c)
00000000ed2bf4df: ffffffff85eeb230 (__ia32_sys_getpeername+0xb0/0xb0)
00000000e1627200: ffffffff81cc8e10 (fget_raw+0x20/0x20)
00000000ae16b1ee: ffffffff00000000 (0xffffffff00000000)
00000000280de600: ffffffff00000002 (0xffffffff00000002)
00000000721fa00a: 0000000000000000 ...
00000000fd0db626: ffff8801b2e27cd0 (0xffff8801b2e27cd0)
00000000bb527915: ffffffff8360dfcb (debug_check_no_obj_freed+0x30b/0x595)
0000000035b2a4ef: 0000000000000000 ...
000000001238bb6d: 0000000041b58ab3 (0x41b58ab3)
00000000df79af1b: ffff8801dae236a0 (0xffff8801dae236a0)
00000000f62bcaff: 1ffff10000000001 (0x1ffff10000000001)
000000001a95d2a4: ffff8801dae236b0 (0xffff8801dae236b0)
000000002d5e3176: ffff8801b2e27c18 (0xffff8801b2e27c18)
0000000068e5d70e: ffffffff81b9da31 (kasan_check_read+0x11/0x20)
0000000074728045: 3aee86f4bec70600 (0x3aee86f4bec70600)
00000000e4d3bbcc: ffff880198f2a680 (0xffff880198f2a680)
00000000e7dec6eb: dffffc0000000000 (0xdffffc0000000000)
00000000da741361: 1ffff100365c4f8e (0x1ffff100365c4f8e)
0000000028ce2f36: 0000000020000280 (0x20000280)
00000000b6e4cd05: 000000000000006c (0x6c)
0000000043cadd55: ffff8801b2e27d78 (0xffff8801b2e27d78)
00000000c9d57be8: ffffffff8792a4bb (schedule+0xfb/0x450)
00000000e663bb02: ffffffff88f925a0 (rcu_callback_map+0x40/0x40)
00000000787ef91b: 0000000000000286 (0x286)
00000000be33daa0: ffff880198f2a680 (0xffff880198f2a680)
00000000a77919f1: 0000000041b58ab3 (0x41b58ab3)
00000000d56f5015: ffff8801b2e27cf8 (0xffff8801b2e27cf8)
000000009990d5b9: ffffffff0000001c (0xffffffff0000001c)
000000007bf61e58: ffff880100000001 (0xffff880100000001)
00000000ff75a7c1: 0000000000000000 ...
000000004c5ff539: ffff8801b2e27c48 (0xffff8801b2e27c48)
0000000097d90dfa: 0000000000000000 ...
000000002f13b06c: ffff880100000000 (0xffff880100000000)
0000000079f0e0e3: ffffffff85edf9f5 (sockfd_lookup_light+0xc5/0x160)
000000000ce7a5f3: 1ffff100365c4fa4 (0x1ffff100365c4fa4)
0000000015c89153: ffff8801b2e27d40 (0xffff8801b2e27d40)
00000000013aedcf: 3aee86f4bec70600 (0x3aee86f4bec70600)
0000000081e28ebc: 1ffff100365c4fab (0x1ffff100365c4fab)
000000001456a19d: 0000000000000001 (0x1)
0000000033f35c6d: 000000050008000a (0x50008000a)
000000002b2c70b2: 00000000000002ff (0x2ff)
000000001e2f203b: 0100000000000000 (0x100000000000000)
00000000f00d7fd1: ffff880100000000 (0xffff880100000000)
0000000008277133: ffff8801b2e27e20 (0xffff8801b2e27e20)
00000000ed61549c: ffff880198f2a680 (0xffff880198f2a680)
00000000a3a0c245: ffffffff8100ab9c (exit_to_usermode_loop+0x8c/0x370)
00000000cad41110: ffff8801b2e27df8 (0xffff8801b2e27df8)
000000006e53b510: fffffbfff11e360e (0xfffffbfff11e360e)
00000000ffed7777: 1ffff100365c4fdc (0x1ffff100365c4fdc)
000000003be92a0c: 0000000000000086 (0x86)
000000005c860268: 0000000000000000 ...
000000007e2c757f: dffffc0000000000 (0xdffffc0000000000)
00000000b06727ad: ffff8801b2e27df8 (0xffff8801b2e27df8)
0000000000bb40da: ffff8801b2e27d78 (0xffff8801b2e27d78)
00000000ee55fd11: ffffffff817c0c66  
(__sanitizer_cov_trace_const_cmp4+0x16/0x20)
0000000059255b7c: ffff8801b2e27e20 (0xffff8801b2e27e20)
00000000ac1d205b: ffffffff8100ad04 (exit_to_usermode_loop+0x1f4/0x370)
000000006a0e3e65: 1ffff100365c4fb3 (0x1ffff100365c4fb3)
00000000635ec6f3: ffff8801b2e27f58 (0xffff8801b2e27f58)
00000000a97b5ed2: 0000000041b58ab3 (0x41b58ab3)
00000000b77ca7e9: ffffffff88bd5b9e (regoff.34024+0x36817e/0x37af60)
00000000ec7675c4: ffffffff8100ab10 (syscall_slow_exit_work+0x500/0x500)
0000000087a533d2: 3aee86f4bec70600 (0x3aee86f4bec70600)
00000000f58d667c: ffff8801b2e27f58 (0xffff8801b2e27f58)
00000000915e87b3: 1ffff100365c4fc8 (0x1ffff100365c4fc8)
000000004e98b026: ffff8801b2e27f20 (0xffff8801b2e27f20)
000000006fb2769e: ffff8801b2e27f58 (0xffff8801b2e27f58)
00000000bfc40af5: dffffc0000000000 (0xdffffc0000000000)
00000000b847b6fc: ffff8801b2e27e20 (0xffff8801b2e27e20)
00000000354de9dc: ffffffff85eeb981 (__x64_sys_sendto+0xe1/0x1a0)
000000005697395d: ffff8801b2e27e10 (0xffff8801b2e27e10)
00000000789c87c0: ffffffff815ea661 (trace_hardirqs_on_caller+0x421/0x5c0)
000000009f263e70: 000000000000002c (0x2c)
0000000021dbe773: 1ffff100365c4fc8 (0x1ffff100365c4fc8)
000000002a7413ae: ffff8801b2e27e20 (0xffff8801b2e27e20)
000000008d771b65: 000000000000002c (0x2c)
00000000314ea10a: ffff8801b2e27f48 (0xffff8801b2e27f48)
000000003755494d: ffffffff8100c4d9 (do_syscall_64+0x1b9/0x820)
000000005680af08: ffffffff8153a7c3 (finish_task_switch+0x1d3/0x870)
000000007a4aaf69: 0000000000000000 ...
000000006091a0b7: 0000000041b58ab3 (0x41b58ab3)
000000008a709bac: ffffffff88bd5a98 (regoff.34024+0x368078/0x37af60)
00000000498b8263: ffffffff8100c320 (syscall_return_slowpath+0x5e0/0x5e0)
000000007b33c017: ffff8801b2e27e68 (0xffff8801b2e27e68)
000000000504e062: 0000000000000000 ...
00000000bf096e7a: ffff8801b2e27f48 (0xffff8801b2e27f48)
000000005e0e6f64: ffffffff8100c05d (syscall_return_slowpath+0x31d/0x5e0)
0000000034398236: ffff8801b2e27f58 (0xffff8801b2e27f58)
00000000d57cd6c8: 0000000041b58ab3 (0x41b58ab3)
0000000040db320a: ffffffff88bd51c7 (regoff.34024+0x3677a7/0x37af60)
0000000048d4ef82: ffff880198f2aeb0 (0xffff880198f2aeb0)
000000009444900f: ffff8801b2e27ea8 (0xffff8801b2e27ea8)
00000000d7675da5: 0000000000000008 (0x8)
00000000afd8bd99: ffff880198f2a680 (0xffff880198f2a680)
000000007ff79042: ffffffff87a0009d  
(entry_SYSCALL_64_after_hwframe+0x59/0xbe)
00000000e210b4b3: 0000000000000000 ...
000000000dbc4afc: 0000000000000086 (0x86)
00000000c329aee9: 0000000000000000 ...
00000000149d2508: ffff8801b2e27f48 (0xffff8801b2e27f48)
000000008173a772: ffffffff81007d20 (trace_hardirqs_off_thunk+0x1a/0x1c)
0000000064f6538e: 0000000000000000 ...
00000000d872c505: 3aee86f4bec70600 (0x3aee86f4bec70600)
000000009bd73e67: 0000000000000000 ...
00000000aa5ce777: ffffffff87a0008d  
(entry_SYSCALL_64_after_hwframe+0x49/0xbe)
00000000f9fa0f88: 0000000000000000 ...
000000006ccf5b86: 00000000004d1860 (0x4d1860)
00000000585e390a: 00000000004c1164 (0x4c1164)
00000000e96746f4: 00000000ffffffff (0xffffffff)
000000006ff7e1d2: 000000000072bea0 (0x72bea0)
000000002f673581: 00007fce202ec6d4 (0x7fce202ec6d4)
0000000035544d63: 0000000000000246 (0x246)
000000000c5b9734: 0000000000000000 ...
0000000052dbe6b7: 000000000000001c (0x1c)
00000000a309acb7: 0000000020000080 (0x20000080)
00000000ac9bbcc5: ffffffffffffffda (0xffffffffffffffda)
000000009a58656d: 0000000000455ab9 (0x455ab9)
00000000bdd42954: 000000000000006c (0x6c)
000000005b602f3b: 0000000020000280 (0x20000280)
000000009d4ded67: 0000000000000013 (0x13)
00000000ba6ed140: 000000000000002c (0x2c)
00000000c8ba397f: 0000000000455ab9 (0x455ab9)
00000000a90829d3: 0000000000000033 (0x33)
000000008771247a: 0000000000000246 (0x246)
00000000735bcdb1: 00007fce202ebc68 (0x7fce202ebc68)
00000000369ae6c6: 000000000000002b (0x2b)
==================================================================
binder: BINDER_SET_CONTEXT_MGR already set
BUG: KASAN: stack-out-of-bounds in fixup_exception+0xc6/0xcb  
arch/x86/mm/extable.c:192
binder: 23389:23409 ioctl 40046207 0 returned -16
Read of size 8 at addr ffff8801b2e27348 by task syz-executor4/23395

CPU: 0 PID: 23395 Comm: syz-executor4 Not tainted 4.18.0-rc4+ #147
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS  
Google 01/01/2011
Call Trace:
  __dump_stack lib/dump_stack.c:77 [inline]
  dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
binder: 23389:23409 ERROR: BC_REGISTER_LOOPER called without request
  print_address_description+0x6c/0x20b mm/kasan/report.c:256
  kasan_report_error mm/kasan/report.c:354 [inline]
  kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412
  __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433
  fixup_exception+0xc6/0xcb arch/x86/mm/extable.c:192
  do_general_protection+0x1c3/0x2f0 arch/x86/kernel/traps.c:554
  general_protection+0x1e/0x30 arch/x86/entry/entry_64.S:1159
RIP: 0010:msr_write_intercepted arch/x86/kvm/vmx.c:2338 [inline]
RIP: 0010:vmx_vcpu_run+0x1328/0x2600 arch/x86/kvm/vmx.c:10160
binder: 23389:23417 unknown command 0
Code: 91 00 00 00 e8 19 c4 5c 00 48 8b 54 24 08 48 b8 00 00 00 00 00 fc ff  
df 48 c1 ea 03 80 3c 02
binder_alloc: 23389: binder_alloc_buf, no vma
00 0f 85 8c 10 00 00 48 8b 04 24 <48> 8b 98 40 57 00 00 48 b8 00 00 00 00  
00 fc ff df 48 8d 7b 40 48
RSP: 0018:ffff8801b2e27370 EFLAGS: 00010046
binder: 23389:23409 transaction failed 29189/-3, size 0-0 line 2967
RAX: 1ffff100365c4e83 RBX: 0000000010000000 RCX: ffffc90002a12000
RDX: 1ffff100331e55d7 RSI: ffffffff811f4727 RDI: 0000000000000005
RBP: ffff8801b2e27458 R08: ffff880198f2a680 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
binder: 23389:23417 ioctl c0306201 2000efd0 returned -22
  lock_release+0xa30/0xa30 kernel/locking/lockdep.c:3730
binder: undelivered TRANSACTION_ERROR: 29189
binder: send failed reply for transaction 442 to 23389:23392

The buggy address belongs to the page:
page:ffffea0006cb89c0 count:0 mapcount:0 mapping:0000000000000000 index:0x0
flags: 0x2fffc0000000000()
raw: 02fffc0000000000 0000000000000000 ffffffff06cb0101 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
  ffff8801b2e27200: 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 f2 f2 f2 f2
  ffff8801b2e27280: f2 f2 04 f2 f2 f2 f2 f2 f2 f2 f8 f2 f2 f2 f2 f2
> ffff8801b2e27300: f2 f2 00 f2 f2 f2 f2 f2 f2 f2 00 00 f2 f2 f2 f2
                                               ^
  ffff8801b2e27380: f2 f2 00 00 04 f2 f2 f2 f2 f2 04 f2 f2 f2 f2 f2
  ffff8801b2e27400: f2 f2 04 f2 f2 f2 f2 f2 f2 f2 04 f2 f2 f2 f2 f2
==================================================================


---
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