EXT4-fs warning (device sda1): ext4_group_add:1636: No reserved GDT blocks, can't resize
EXT4-fs warning (device sda1): ext4_group_add:1636: No reserved GDT blocks, can't resize
==================================================================
kasan: CONFIG_KASAN_INLINE enabled
BUG: KASAN: stack-out-of-bounds in zap_pte_range mm/memory.c:1299 [inline]
BUG: KASAN: stack-out-of-bounds in zap_pmd_range mm/memory.c:1437 [inline]
BUG: KASAN: stack-out-of-bounds in zap_pud_range mm/memory.c:1466 [inline]
BUG: KASAN: stack-out-of-bounds in zap_p4d_range mm/memory.c:1487 [inline]
BUG: KASAN: stack-out-of-bounds in unmap_page_range+0x1da1/0x2220 mm/memory.c:1508
kasan: GPF could be caused by NULL-ptr deref or user memory access
Read of size 8 at addr ffff88019c1cd000 by task syz-executor0/9034
general protection fault: 0000 [#1] SMP KASAN
CPU: 1 PID: 0 Comm: Not tainted 4.18.0-rc3+ #48
CPU: 0 PID: 9034 Comm: syz-executor0 Not tainted 4.18.0-rc3+ #48
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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:get_running_cputimer include/linux/sched/cputime.h:85 [inline]
RIP: 0010:account_group_system_time include/linux/sched/cputime.h:149 [inline]
RIP: 0010:account_system_index_time+0xef/0x5c0 kernel/sched/cputime.c:168
Call Trace:
Code: ad 04 00
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
00
48 8b
83 b8
06 00
print_address_description+0x6c/0x20b mm/kasan/report.c:256
00 48
ba
kasan_report_error mm/kasan/report.c:354 [inline]
kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412
00
__asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433
00 00
zap_pte_range mm/memory.c:1299 [inline]
zap_pmd_range mm/memory.c:1437 [inline]
zap_pud_range mm/memory.c:1466 [inline]
zap_p4d_range mm/memory.c:1487 [inline]
unmap_page_range+0x1da1/0x2220 mm/memory.c:1508
00
00
fc
ff df
48
8d b8
38 01
00 00
48 8d
88 20
01
00 00
48 89
fe 48
c1 ee
03
<0f> b6
14
16
48
89
fe
83 e6
07
40 38
f2 7f
08
84
d2 0f
85 f9
unmap_single_vma+0x1a0/0x310 mm/memory.c:1553
03 00
unmap_vmas+0x120/0x1f0 mm/memory.c:1583
exit_mmap+0x2c2/0x5b0 mm/mmap.c:3105
RSP: 0018:ffff8801daf07988 EFLAGS: 00010007
RAX: 1ffff1003371cdd7 RBX: ffff88019b8e6780 RCX: 1ffff1003371cef7
RDX: dffffc0000000000 RSI: 03fffe20066e39e1 RDI: 1ffff1003371cf0f
__mmput kernel/fork.c:970 [inline]
mmput+0x265/0x620 kernel/fork.c:991
RBP: ffff8801daf07a68 R08: ffff88019b8e6780 R09: fffffbfff11f424c
R10: fffffbfff11c1b45 R11: ffffffff88fa1263 R12: 00000000000f4240
R13: 00000000000f4240 R14: 1ffff1003b5e0f34 R15: ffff8801daf07a40
FS: 00007f31209e1700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f84b16ebdb8 CR3: 00000001a2089000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
exit_mm kernel/exit.c:544 [inline]
do_exit+0xea9/0x2750 kernel/exit.c:852
<IRQ>
account_system_time+0x7f/0xb0 kernel/sched/cputime.c:199
account_process_tick+0x76/0x240 kernel/sched/cputime.c:498
update_process_times+0x21/0x70 kernel/time/timer.c:1634
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
__run_hrtimer kernel/time/hrtimer.c:1398 [inline]
__hrtimer_run_queues+0x3eb/0x10c0 kernel/time/hrtimer.c:1460
hrtimer_interrupt+0x2f3/0x750 kernel/time/hrtimer.c:1518
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline]
smp_apic_timer_interrupt+0x165/0x730 arch/x86/kernel/apic/apic.c:1050
do_group_exit+0x177/0x440 kernel/exit.c:968
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:863
</IRQ>
Modules linked in:
get_signal+0x88e/0x1970 kernel/signal.c:2468
Dumping ftrace buffer:
(ftrace buffer empty)
---[ end trace 21147a2a3ba0a8b7 ]---
RIP: 0010:__read_once_size include/linux/compiler.h:188 [inline]
RIP: 0010:get_running_cputimer include/linux/sched/cputime.h:85 [inline]
RIP: 0010:account_group_system_time include/linux/sched/cputime.h:149 [inline]
RIP: 0010:account_system_index_time+0xef/0x5c0 kernel/sched/cputime.c:168
Code:
ad 04
00
do_signal+0x9c/0x21c0 arch/x86/kernel/signal.c:816
00
48
8b 83
b8
06
00
00 48
ba 00
exit_to_usermode_loop+0x2e0/0x370 arch/x86/entry/common.c:162
00 00
00
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
00 fc
ff
df
48 8d
b8 38
01
00 00
48 8d
entry_SYSCALL_64_after_hwframe+0x49/0xbe
88
RIP: 0033:0x455ba9
20 01
Code:
00 00
1d
48 89
ba
fe 48
fb
c1
ff c3
ee 03
66 2e
<0f>
0f 1f
b6
84 00
14
00
16 48
00
89 fe
00
83
00
e6
66
07
90
40 38
48
f2
89 f8
7f 08
48
84 d2
89 f7
0f 85
48
f9
89
03
d6 48
00
89 ca
RSP: 0018:ffff8801daf07988 EFLAGS: 00010007
4d 89
c2
RAX: 1ffff1003371cdd7 RBX: ffff88019b8e6780 RCX: 1ffff1003371cef7
4d
RDX: dffffc0000000000 RSI: 03fffe20066e39e1 RDI: 1ffff1003371cf0f
89
RBP: ffff8801daf07a68 R08: ffff88019b8e6780 R09: fffffbfff11f424c
c8
R10: fffffbfff11c1b45 R11: ffffffff88fa1263 R12: 00000000000f4240
4c 8b
R13: 00000000000f4240 R14: 1ffff1003b5e0f34 R15: ffff8801daf07a40
4c
FS: 00007f31209e1700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
24
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f84b16ebdb8 CR3: 00000001a2089000 CR4: 00000000001406e0
08
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
0f
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
05 <48>