bisecting cause commit starting from dbb5afad100a828c97e012c6106566d99f041db6
building syzkaller on ed7d41c582d6f194ff35353d8bfdf7681dc0718e
testing commit dbb5afad100a828c97e012c6106566d99f041db6 with gcc (GCC) 10.2.1 20210217
kernel signature: fb9f0da2ebbc2c7fcbc36753b88d794ee9af2ab407c0c86e98829652464468e2
run #0: crashed: WARNING in cpu_latency_qos_remove_request
run #1: crashed: WARNING in cpu_latency_qos_remove_request
run #2: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #3: crashed: WARNING in cpu_latency_qos_remove_request
run #4: crashed: WARNING in cpu_latency_qos_remove_request
run #5: crashed: WARNING in cpu_latency_qos_remove_request
run #6: crashed: WARNING in cpu_latency_qos_remove_request
run #7: crashed: WARNING in cpu_latency_qos_remove_request
run #8: crashed: WARNING in cpu_latency_qos_remove_request
run #9: crashed: WARNING in cpu_latency_qos_remove_request
run #10: crashed: WARNING in cpu_latency_qos_remove_request
run #11: crashed: WARNING in cpu_latency_qos_remove_request
run #12: crashed: WARNING in cpu_latency_qos_remove_request
run #13: crashed: WARNING in cpu_latency_qos_remove_request
run #14: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #15: crashed: WARNING in cpu_latency_qos_remove_request
run #16: crashed: WARNING in cpu_latency_qos_remove_request
run #17: crashed: WARNING in cpu_latency_qos_remove_request
run #18: crashed: general protection fault in pm_qos_update_target
run #19: crashed: WARNING in cpu_latency_qos_remove_request
testing release v5.12
testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 with gcc (GCC) 10.2.1 20210217
kernel signature: 57524b8e5faf3884e6362a3ad6e2e4f755adc3965c55def8283883a0466c6dcd
run #0: crashed: WARNING in cpu_latency_qos_remove_request
run #1: crashed: WARNING in cpu_latency_qos_remove_request
run #2: crashed: WARNING in cpu_latency_qos_remove_request
run #3: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #4: crashed: WARNING in cpu_latency_qos_remove_request
run #5: crashed: WARNING in cpu_latency_qos_remove_request
run #6: crashed: WARNING in cpu_latency_qos_remove_request
run #7: crashed: WARNING in cpu_latency_qos_remove_request
run #8: crashed: WARNING in cpu_latency_qos_remove_request
run #9: crashed: WARNING in cpu_latency_qos_remove_request
testing release v5.11
testing commit f40ddce88593482919761f74910f42f4b84c004b with gcc (GCC) 10.2.1 20210217
kernel signature: 159488a0c5a4b311f87fff258019dcffec62dae5bbc49c48e1d0329045725b45
all runs: crashed: WARNING in cpu_latency_qos_remove_request
testing release v5.10
testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 with gcc (GCC) 10.2.1 20210217
kernel signature: ce2c82a0b040823c2e613484ec3dbce0cc1bae41b61de2df6b539b3f8c63c9ad
run #0: crashed: WARNING in cpu_latency_qos_remove_request
run #1: crashed: WARNING in cpu_latency_qos_remove_request
run #2: crashed: WARNING in cpu_latency_qos_remove_request
run #3: crashed: WARNING in cpu_latency_qos_remove_request
run #4: crashed: WARNING in cpu_latency_qos_remove_request
run #5: crashed: WARNING in cpu_latency_qos_remove_request
run #6: crashed: WARNING in cpu_latency_qos_remove_request
run #7: crashed: WARNING in cpu_latency_qos_remove_request
run #8: crashed: WARNING in cpu_latency_qos_remove_request
run #9: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
testing release v5.9
testing commit bbf5c979011a099af5dc76498918ed7df445635b with gcc (GCC) 10.2.1 20210217
kernel signature: 51fc4290c1b10776531a588127382eb0aa33ffa54dfff8280327c300a1d3d8f7
all runs: crashed: WARNING in cpu_latency_qos_remove_request
testing release v5.8
testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.4.1 20210217
kernel signature: f66601bd351a7861769f93ada572658b51d29287ef2e24a1b67eecf6300b480b
all runs: crashed: WARNING in cpu_latency_qos_remove_request
testing release v5.7
testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.4.1 20210217
kernel signature: 5af3fe3745f724d4b8fd23c5742be4f50d012a82ffce7b32b7add3e94d5d72ee
all runs: crashed: WARNING in cpu_latency_qos_remove_request
testing release v5.6
testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 with gcc (GCC) 8.4.1 20210217
kernel signature: 50655865de9cdc527083d08316d437bad09c32a06068c65e3fbf49d30d465e49
run #0: crashed: WARNING in pm_qos_remove_request
run #1: crashed: WARNING in pm_qos_remove_request
run #2: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #3: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #4: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #5: crashed: WARNING in pm_qos_remove_request
run #6: crashed: WARNING in pm_qos_remove_request
run #7: crashed: WARNING in pm_qos_remove_request
run #8: crashed: WARNING in pm_qos_remove_request
run #9: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
testing release v5.5
testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 with gcc (GCC) 8.4.1 20210217
kernel signature: 07035b7a741992afae1400191e57d7bf2889d9b8439a3a53f78bc30b5b647a21
run #0: crashed: WARNING in pm_qos_remove_request
run #1: crashed: WARNING in pm_qos_remove_request
run #2: crashed: WARNING in pm_qos_remove_request
run #3: crashed: WARNING in pm_qos_remove_request
run #4: crashed: WARNING in pm_qos_remove_request
run #5: crashed: WARNING in pm_qos_remove_request
run #6: crashed: WARNING in pm_qos_remove_request
run #7: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #8: crashed: WARNING in pm_qos_remove_request
run #9: crashed: WARNING in pm_qos_remove_request
testing release v5.4
testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.4.1 20210217
kernel signature: 31ba26669e9a4c626730325549fa03517e91edc362183b199e4d7396a2fcd71f
run #0: crashed: WARNING in pm_qos_remove_request
run #1: crashed: WARNING in pm_qos_remove_request
run #2: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #3: crashed: WARNING in pm_qos_remove_request
run #4: crashed: WARNING in pm_qos_remove_request
run #5: crashed: WARNING in pm_qos_remove_request
run #6: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #7: crashed: WARNING in pm_qos_remove_request
run #8: crashed: WARNING in pm_qos_remove_request
run #9: crashed: WARNING in pm_qos_remove_request
testing release v5.3
testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.4.1 20210217
kernel signature: 2287ae3faa323e91408c60237c01ce472eefab1112b68ff4db89f4cc6c111852
run #0: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #1: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #2: crashed: WARNING in cancel_delayed_work_sync
run #3: crashed: WARNING in pm_qos_remove_request
run #4: crashed: WARNING in cancel_delayed_work_sync
run #5: crashed: WARNING in cancel_delayed_work_sync
run #6: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #7: crashed: WARNING in pm_qos_remove_request
run #8: crashed: WARNING in cancel_delayed_work_sync
run #9: crashed: WARNING in pm_qos_remove_request
testing release v5.2
testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 with gcc (GCC) 8.4.1 20210217
kernel signature: 1889e910597f15e8de3667d6c5dfbfd03416c843fe43c37083581a8f159a0a4c
run #0: crashed: WARNING in pm_qos_remove_request
run #1: crashed: WARNING in pm_qos_remove_request
run #2: crashed: WARNING in cancel_delayed_work_sync
run #3: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #4: crashed: WARNING in cancel_delayed_work_sync
run #5: crashed: WARNING in pm_qos_remove_request
run #6: crashed: WARNING in pm_qos_remove_request
run #7: crashed: WARNING in pm_qos_remove_request
run #8: crashed: WARNING in pm_qos_remove_request
run #9: crashed: WARNING in pm_qos_remove_request
testing release v5.1
testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.4.1 20210217
kernel signature: 1f6b29f2aed86f4c64a96eef0e09d33c0dd3a5446dd4be1afc37cdc6699fa886
run #0: crashed: WARNING in pm_qos_remove_request
run #1: crashed: WARNING in cancel_delayed_work_sync
run #2: crashed: WARNING in pm_qos_remove_request
run #3: crashed: WARNING in cancel_delayed_work_sync
run #4: crashed: WARNING in pm_qos_remove_request
run #5: crashed: WARNING in cancel_delayed_work_sync
run #6: crashed: WARNING in pm_qos_remove_request
run #7: crashed: WARNING in cancel_delayed_work_sync
run #8: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #9: crashed: WARNING in pm_qos_remove_request
testing release v5.0
testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.4.1 20210217
kernel signature: 4ba75e6a8bd80b1ab0ea3835544ea1ef4ff85e96840075d8bcea07c0fdc2c0b9
run #0: crashed: WARNING in pm_qos_remove_request
run #1: crashed: general protection fault in pm_qos_update_target
run #2: crashed: WARNING in pm_qos_remove_request
run #3: crashed: WARNING in pm_qos_remove_request
run #4: crashed: WARNING in pm_qos_remove_request
run #5: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #6: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #7: crashed: general protection fault in pm_qos_update_target
run #8: crashed: WARNING in pm_qos_remove_request
run #9: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
testing release v4.20
testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.4.1 20210217
kernel signature: b71068e91d7f76b67d35d0cb1971e0a9cd8275f8bada635137dd6c43cb243332
run #0: crashed: WARNING in pm_qos_remove_request
run #1: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #2: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #3: crashed: WARNING in pm_qos_remove_request
run #4: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #5: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #6: crashed: WARNING in pm_qos_remove_request
run #7: crashed: general protection fault in pm_qos_update_target
run #8: crashed: WARNING in pm_qos_remove_request
run #9: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
testing release v4.19
testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.4.1 20210217
kernel signature: 66be88bc8e5d3e071c08b24e38c722cb2ae33ad0ce3d638831f1bc24f61d575b
run #0: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #1: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #2: crashed: WARNING in pm_qos_remove_request
run #3: crashed: WARNING in pm_qos_remove_request
run #4: crashed: general protection fault in pm_qos_update_target
run #5: crashed: WARNING in pm_qos_remove_request
run #6: crashed: WARNING in pm_qos_remove_request
run #7: crashed: WARNING in pm_qos_remove_request
run #8: crashed: WARNING in pm_qos_remove_request
run #9: crashed: WARNING in pm_qos_remove_request
testing release v4.18
testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.4.1 20210217
kernel signature: 2f84e653315816665e467bad5d4755557676502f42f55118da09cd045b5c13e5
run #0: crashed: WARNING in pm_qos_remove_request
run #1: crashed: WARNING in pm_qos_remove_request
run #2: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #3: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #4: crashed: general protection fault in pm_qos_update_target
run #5: crashed: WARNING in cancel_delayed_work_sync
run #6: crashed: WARNING in pm_qos_remove_request
run #7: crashed: WARNING in pm_qos_remove_request
run #8: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #9: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
testing release v4.17
testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.4.1 20210217
failed to run ["make" "-j" "64" "ARCH=x86_64" "CC=/syzkaller/shared/bisect_bin/gcc-8.1.0/bin/gcc" "bzImage"]: exit status 2
testing release v4.16
testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.4.1 20210217
orc_dump.c:106:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations]
orc_dump.c:111:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations]
elf.c:135:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations]
elf.c:140:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations]
testing release v4.15
testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.4.1 20210217
orc_dump.c:106:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations]
orc_dump.c:111:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations]
pager.c:36:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict]
elf.c:135:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations]
elf.c:140:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations]
testing release v4.14
testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.4.1 20210217
orc_dump.c:105:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations]
orc_dump.c:110:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations]
pager.c:36:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict]
elf.c:134:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations]
elf.c:139:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations]
testing release v4.13
testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 with gcc (GCC) 8.4.1 20210217
pager.c:35:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict]
elf.c:144:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations]
elf.c:149:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations]
testing release v4.12
testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c with gcc (GCC) 8.4.1 20210217
pager.c:35:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict]
elf.c:141:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations]
elf.c:146:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations]
testing release v4.11
testing commit a351e9b9fc24e982ec2f0e76379a49826036da12 with gcc (GCC) 7.5.0
elf.c:141:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations]
elf.c:146:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations]
pager.c:35:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict]
testing release v4.10
testing commit c470abd4fde40ea6a0846a2beab642a578c0b8cd with gcc (GCC) 5.5.0
tools/include/linux/log2.h:19:1: error: ignoring attribute 'noreturn' because it conflicts with attribute 'const' [-Werror=attributes]
elf.c:129:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations]
elf.c:134:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations]
pager.c:35:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict]
testing release v4.9
testing commit 69973b830859bc6529a7a0468ba0d80ee5117826 with gcc (GCC) 5.5.0
tools/include/linux/log2.h:19:1: error: ignoring attribute 'noreturn' because it conflicts with attribute 'const' [-Werror=attributes]
elf.c:129:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations]
elf.c:134:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations]
pager.c:35:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict]
testing release v4.8
testing commit c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 with gcc (GCC) 5.5.0
tools/include/linux/log2.h:19:1: error: ignoring attribute 'noreturn' because it conflicts with attribute 'const' [-Werror=attributes]
elf.c:129:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations]
elf.c:134:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations]
pager.c:33:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict]
testing release v4.7
testing commit 523d939ef98fd712632d93a5a2b588e477a7565e with gcc (GCC) 5.5.0
tools/include/linux/log2.h:19:1: error: ignoring attribute 'noreturn' because it conflicts with attribute 'const' [-Werror=attributes]
elf.c:122:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations]
elf.c:127:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations]
pager.c:33:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict]
testing release v4.6
testing commit 2dcd0af568b0cf583645c8a317dd12e344b1c72a with gcc (GCC) 5.5.0
tools/include/linux/log2.h:19:1: error: ignoring attribute 'noreturn' because it conflicts with attribute 'const' [-Werror=attributes]
pager.c:33:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict]
revisions tested: 17, total time: 3h1m31.609422937s (build: 1h52m50.930096194s, test: 1h3m37.688223227s)
the crash already happened on the oldest tested release
commit msg: Linux 4.18
crash: BUG: unable to handle kernel paging request in pm_qos_update_target
Bluetooth: hci2: command 0x0419 tx timeout
Bluetooth: hci4: command 0x0419 tx timeout
Bluetooth: hci5: command 0x0419 tx timeout
BUG: unable to handle kernel paging request at fffffffffffffff0
PGD 906b067 P4D 906b067 PUD 906d067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 17000 Comm: syz-executor.2 Not tainted 4.18.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__read_once_size include/linux/compiler.h:188 [inline]
RIP: 0010:list_empty include/linux/list.h:203 [inline]
RIP: 0010:plist_del+0x8a/0x480 lib/plist.c:125
Code: 8b 73 18 49 39 f6 74 2f 49 8d 4e f0 48 b8 00 00 00 00 00 fc ff df 48 89 ca 49 89 cf 48 c1 ea 03 80 3c 02 00 0f 85 23 03 00 00 <49> 8b 46 f0 48 39 c1 0f 84 b9 01 00 00 4c 8d 73 10 4c 89 e7 e8 8d 
RSP: 0018:ffff88009e3bfaf8 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff8802352af1c0 RCX: fffffffffffffff0
RDX: 1ffffffffffffffe RSI: ffffffff891621e0 RDI: ffff8802352af1c0
RBP: ffff88009e3bfb30 R08: fffffbfff122c461 R09: fffffbfff122c460
R10: fffffbfff122c460 R11: ffffffff89162303 R12: ffff8802352af1c8
R13: ffff8802352af1d8 R14: 0000000000000000 R15: fffffffffffffff0
FS:  00007f95f6c40700(0000) GS:ffff8800ba700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff0 CR3: 00000000a0b78000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 pm_qos_update_target+0x11a/0x8d0 kernel/power/qos.c:288
 pm_qos_remove_request kernel/power/qos.c:542 [inline]
 pm_qos_remove_request+0xfc/0x400 kernel/power/qos.c:528
 snd_pcm_hw_free sound/core/pcm_native.c:817 [inline]
 snd_pcm_common_ioctl+0xaf5/0x1bd0 sound/core/pcm_native.c:2875
 snd_pcm_ioctl+0x66/0xb0 sound/core/pcm_native.c:2954
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x196/0x1050 fs/ioctl.c:684
 ksys_ioctl+0x62/0x90 fs/ioctl.c:701
 __do_sys_ioctl fs/ioctl.c:708 [inline]
 __se_sys_ioctl fs/ioctl.c:706 [inline]
 __x64_sys_ioctl+0x6e/0xb0 fs/ioctl.c:706
 do_syscall_64+0xda/0x540 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4665d9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 
RSP: 002b:00007f95f6c40188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000000004112 RDI: 0000000000000004
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007fff5e6b544f R14: 00007f95f6c40300 R15: 0000000000022000
Modules linked in:
CR2: fffffffffffffff0
---[ end trace 546de72388483c1b ]---
RIP: 0010:__read_once_size include/linux/compiler.h:188 [inline]
RIP: 0010:list_empty include/linux/list.h:203 [inline]
RIP: 0010:plist_del+0x8a/0x480 lib/plist.c:125
Code: 8b 73 18 49 39 f6 74 2f 49 8d 4e f0 48 b8 00 00 00 00 00 fc ff df 48 89 ca 49 89 cf 48 c1 ea 03 80 3c 02 00 0f 85 23 03 00 00 <49> 8b 46 f0 48 39 c1 0f 84 b9 01 00 00 4c 8d 73 10 4c 89 e7 e8 8d 
RSP: 0018:ffff88009e3bfaf8 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff8802352af1c0 RCX: fffffffffffffff0
RDX: 1ffffffffffffffe RSI: ffffffff891621e0 RDI: ffff8802352af1c0
RBP: ffff88009e3bfb30 R08: fffffbfff122c461 R09: fffffbfff122c460
R10: fffffbfff122c460 R11: ffffffff89162303 R12: ffff8802352af1c8
R13: ffff8802352af1d8 R14: 0000000000000000 R15: fffffffffffffff0
FS:  00007f95f6c40700(0000) GS:ffff8800ba700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff0 CR3: 00000000a0b78000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400