linux-kernel - BUG/Oops - unix domain sockets / wakeups

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Message-ID: <7a61d94f-f125-701f-ba66-c6a3b6712348@nextfour.com>
Date:   Mon, 26 Aug 2019 03:46:10 +0000
From:   Mika Penttilä <mika.penttila@...tfour.com>
To:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: BUG/Oops - unix domain sockets / wakeups

Hello,

I have got  a couple of these in a week with 5.3-rc. Happens very
randomly and infrequently, the system has been nearly idle.
Otoh, seems new to 5.3, dont remeber this happening before.

Thanks,
Mika

# [386517.339218] Internal error: Oops: 17 [#1] PREEMPT SMP ARM
[386517.344726] Modules linked in: btwilink radio_quantek st_drv
[386517.350488] CPU: 0 PID: 363 Comm: compositor Not tainted 5.3.0-rc5 #5
[386517.357016] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
[386517.363644] PC is at __wake_up_common+0x5c/0x134
[386517.368351] LR is at __wake_up_common+0x90/0x134
[386517.373057] pc : [<80152bec>]    lr : [<80152c20>]    psr: 80070093
[386517.379411] sp : a9193cf0  ip : 00000000  fp : 00000001
[386517.384724] r10: 00000001  r9 : a9193d2c  r8 : 80219b08
[386517.390037] r7 : 00000001  r6 : a63668c4  r5 : 00000000  r4 : 000000f4
[386517.396653] r3 : 00000304  r2 : 00000100  r1 : 00000001  r0 : 00000000
[386517.403270] Flags: Nzcv  IRQs off  FIQs on  Mode SVC_32  ISA ARM 
Segment user
[386517.410580] Control: 10c5387d  Table: 3942404a  DAC: 00000055
[386517.416415] Process compositor (pid: 363, stack limit = 0x5fe37b3d)
[386517.422771] Stack: (0xa9193cf0 to 0xa9194000)
[386517.427218] 3ce0:                                     00000304
00000001 00000000 a63668c0
[386517.435486] 3d00: 00000001 20070013 00000001 00000001 a9193d2c
00000304 00000000 80152e90
[386517.443754] 3d20: 00000304 a9193d2c 012dd844 00000000 00000000
00000000 00000100 00000122
[386517.452022] 3d40: a8cc8f00 a8cc8fec a8cca7a0 a9193e4c a8cca700
00000fc0 00000040 80152f74
[386517.460289] 3d60: 00000304 00000000 a9192000 8079cc44 a8cc8f00
806d4310 9a0e6180 00000000
[386517.468556] 3d80: a8cca7a0 807a0744 a9193e4c 00000000 00000000
00000000 00000000 00000000
[386517.476824] 3da0: 9a0e6180 806da340 9a0e6180 806da3ac 9a0e6180
806daa0c 9a0e6180 8079d730
[386517.485091] 3dc0: 7eb24360 a9193e14 00000000 00000040 a8cca944
00000000 00000000 a8cca700
[386517.493358] 3de0: a6752f40 a8cca90c 00000001 00000000 a9192000
00000001 00000000 00000000
[386517.501627] 3e00: 00000000 00000000 00000000 a9193e14 7eb245c8
a9193e78 80101204 a9193f70
[386517.509896] 3e20: a9193e74 a9193f68 40000040 a9193eb8 7eb245c8
7eb245e4 a6752f40 00000129
[386517.518163] 3e40: 7615db10 8079dac8 00000002 8079c408 a6752f40
a9193f68 00000000 00001000
[386517.526431] 3e60: 40000040 00000000 7eb245c8 806cfe7c 00000000
00000000 014c9b90 00000d00
[386517.534698] 3e80: 014c9890 00000300 00000000 011c52cc 75bc9788
00000001 a8cdfa00 a8cdfa0c
[386517.542966] 3ea0: a8f7e980 8024afd8 0148ef88 00000000 00000000
00000019 75bc9788 8024aeb4
[386517.551233] 3ec0: a8f7e980 a8f7e9ac a8f7e9b4 a8f7e980 00000000
808fe018 00000000 8024a7ac
[386517.559500] 3ee0: a9193ee0 a9193ee0 a94b0c00 00000020 7eb246e0
a94b0c01 a94b0c00 a8f7e980
[386517.567767] 3f00: 00000001 a8f7e9ac 00000000 8024b43c 00000000
7eb24318 a89ccf68 a94d5480
[386517.576034] 3f20: a8fce600 80223bc0 a9193f64 a9193f60 40000040
00000129 80101204 a6752f40
[386517.584301] 3f40: 7eb245c8 40000040 00000129 80101204 a9192000
806d0fb8 00000000 7eb246e0
[386517.592568] 3f60: 00000001 fffffff7 00000000 00000000 00000004
00000040 00000fc0 a9193e78
[386517.600837] 3f80: 00000002 011c5460 7eb245e4 0000007c 40000000
00000000 00000040 00000028
[386517.609105] 3fa0: 7eb245c8 80101000 00000040 00000028 00000028
7eb245c8 40000040 00000000
[386517.617374] 3fc0: 00000040 00000028 7eb245c8 00000129 76f01600
7eb245c8 00000024 7615db10
[386517.625642] 3fe0: 00000000 7eb24598 76f826e0 75acd798 80070010
00000028 00000000 00000000
[386517.633921] [<80152bec>] (__wake_up_common) from [<80152e90>]
(__wake_up_common_lock+0x64/0x88)
[386517.642715] [<80152e90>] (__wake_up_common_lock) from [<80152f74>]
(__wake_up_sync_key+0x24/0x2c)
[386517.651683] [<80152f74>] (__wake_up_sync_key) from [<8079cc44>]
(unix_write_space+0x58/0x84)
[386517.660220] [<8079cc44>] (unix_write_space) from [<806d4310>]
(sock_wfree+0x58/0x74)
[386517.668059] [<806d4310>] (sock_wfree) from [<807a0744>]
(unix_destruct_scm+0x6c/0x74)
[386517.675984] [<807a0744>] (unix_destruct_scm) from [<806da340>]
(skb_release_head_state+0x50/0xb0)
[386517.684947] [<806da340>] (skb_release_head_state) from [<806da3ac>]
(skb_release_all+0xc/0x24)
[386517.693649] [<806da3ac>] (skb_release_all) from [<806daa0c>]
(consume_skb+0x28/0x48)
[386517.701485] [<806daa0c>] (consume_skb) from [<8079d730>]
(unix_stream_read_generic+0x494/0x76c)
[386517.710275] [<8079d730>] (unix_stream_read_generic) from
[<8079dac8>] (unix_stream_recvmsg+0x3c/0x44)
[386517.719586] [<8079dac8>] (unix_stream_recvmsg) from [<806cfe7c>]
(___sys_recvmsg+0x90/0x158)
[386517.728115] [<806cfe7c>] (___sys_recvmsg) from [<806d0fb8>]
(__sys_recvmsg+0x3c/0x6c)
[386517.736038] [<806d0fb8>] (__sys_recvmsg) from [<80101000>]
(ret_fast_syscall+0x0/0x4c)


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