==================================================================
BUG: KASAN: stack-out-of-bounds in unmap_vmas+0x1ab/0x1f0 mm/memory.c:1582
Read of size 8 at addr ffff8801ae157988 by task udevd/5889
BUG: unable to handle kernel paging request at ffff8801cba9b540
CPU: 0 PID: 5889 Comm: udevd Not tainted 4.18.0-rc3+ #48
PGD b4e1067
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
P4D b4e1067
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
PUD 1d9bb3063
PMD 1acb52063
PTE ffff8801acb525f8
Oops: 0002 [#1] SMP KASAN
print_address_description+0x6c/0x20b mm/kasan/report.c:256
CPU: 1 PID: 5885 Comm: syz-executor6 Not tainted 4.18.0-rc3+ #48
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:arch_atomic64_add arch/x86/include/asm/atomic64_64.h:46 [inline]
RIP: 0010:atomic64_add include/asm-generic/atomic-instrumented.h:133 [inline]
RIP: 0010:atomic_long_add include/asm-generic/atomic-long.h:198 [inline]
RIP: 0010:update_tg_load_avg kernel/sched/fair.c:3400 [inline]
RIP: 0010:update_blocked_averages+0xb7b/0x1770 kernel/sched/fair.c:7665
kasan_report_error mm/kasan/report.c:354 [inline]
kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412
Code: 89
__asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433
fe 48
unmap_vmas+0x1ab/0x1f0 mm/memory.c:1582
31
exit_mmap+0x2c2/0x5b0 mm/mmap.c:3105
c6
48
__mmput kernel/fork.c:970 [inline]
mmput+0x265/0x620 kernel/fork.c:991
29 fe
48 39
d6
0f 86
c8 f8
ff
exec_mmap fs/exec.c:1044 [inline]
flush_old_exec+0xbaf/0x2100 fs/exec.c:1276
ff 49
8d
bc 24
80
01
00 00
be 08
00 00
00
e8 0c
db 62
00
48
load_elf_binary+0xa33/0x5610 fs/binfmt_elf.c:869
8b
85
f8
fc
search_binary_handler+0x17d/0x570 fs/exec.c:1653
ff
exec_binprm fs/exec.c:1695 [inline]
__do_execve_file.isra.36+0x171d/0x2730 fs/exec.c:1819
ff <f0>
49
01
84 24
80
01
00
00 48
8b 85
30 fd
ff
ff
4c 8b
85
f0
fc
do_execveat_common fs/exec.c:1866 [inline]
do_execve fs/exec.c:1883 [inline]
__do_sys_execve fs/exec.c:1964 [inline]
__se_sys_execve fs/exec.c:1959 [inline]
__x64_sys_execve+0x8f/0xc0 fs/exec.c:1959
ff
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
RSP: 0018:ffff8801daf07838 EFLAGS: 00010046
RAX: 00000000000001a9 RBX: ffff8801daf07b60 RCX: ffffffff8156f9b4
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8801cba9b540
RBP: ffff8801daf07b88 R08: ffffed00397536a9 R09: ffffed00397536a8
R10: ffffed00397536a8 R11: ffff8801cba9b547 R12: ffff8801cba9b3c0
R13: ffff8801ab3a9d00 R14: ffff8801d8482a00 R15: dffffc0000000000
FS: 00007fb6f6255700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8801cba9b540 CR3: 000000019ea34000 CR4: 00000000001406e0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
entry_SYSCALL_64_after_hwframe+0x49/0xbe
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
RIP: 0033:0x7ff16ecce207
<IRQ>
Code:
Bad RIP value.
RSP: 002b:00007ffcba7d85a8 EFLAGS: 00000202
ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007ff16ecce207
RDX: 00000000007d6630 RSI: 00007ffcba7d86a0 RDI: 00007ffcba7d96b0
RBP: 0000000000625500 R08: 0000000000005ed7 R09: 0000000000005ed7
R10: 0000000000000000 R11: 0000000000000202 R12: 00000000007d6630
R13: 0000000000000007 R14: 00000000007cf250 R15: 0000000000000005
Allocated by task 901951312:
run_rebalance_domains+0x350/0x4c0 kernel/sched/fair.c:9883
__do_softirq+0x2e8/0xb17 kernel/softirq.c:288
invoke_softirq kernel/softirq.c:368 [inline]
irq_exit+0x1d1/0x200 kernel/softirq.c:408
exiting_irq arch/x86/include/asm/apic.h:527 [inline]
smp_apic_timer_interrupt+0x186/0x730 arch/x86/kernel/apic/apic.c:1052
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:863
</IRQ>
Modules linked in:
Dumping ftrace buffer:
(ftrace buffer empty)
CR2: ffff8801cba9b540
---[ end trace 6bf89fb6f5cb894f ]---
BUG: unable to handle kernel paging request at ffffffff8c42b160
RIP: 0010:arch_atomic64_add arch/x86/include/asm/atomic64_64.h:46 [inline]
RIP: 0010:atomic64_add include/asm-generic/atomic-instrumented.h:133 [inline]
RIP: 0010:atomic_long_add include/asm-generic/atomic-long.h:198 [inline]
RIP: 0010:update_tg_load_avg kernel/sched/fair.c:3400 [inline]
RIP: 0010:update_blocked_averages+0xb7b/0x1770 kernel/sched/fair.c:7665
PGD 8e6d067
Code:
P4D 8e6d067
89
PUD 8e6e063
fe
PMD 0
48 31
c6 48
Oops: 0000 [#2] SMP KASAN
29
CPU: 0 PID: 5889 Comm: udevd Tainted: G D 4.18.0-rc3+ #48
fe
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
48 39
RIP: 0010:depot_fetch_stack+0x10/0x30 lib/stackdepot.c:201
d6 0f
Code:
86 c8
e8
f8 ff
c5 2e
ff 49
47 fe
8d bc
e9 b3
24 80
fd ff
01
ff e8
00
bb 2e
00 be
47
08 00
fe
00
e9 55
00
fd ff
e8
ff 90
0c
90 90
db 62
90 90
00 48
90 89
8b 85
f8 c1
f8
ef 11
fc ff
25 ff
ff
ff 1f
<f0> 49
00 81
01 84
e7 f0
24
3f 00
80 01
00 <48>
00
03 3c
00 48
c5 60
8b 85
29
30 fd
43 8b
ff
8b 47
ff 4c
0c
8b
48 83
85 f0
c7
fc ff
18
RSP: 0018:ffff8801daf07838 EFLAGS: 00010046
c7
46
RAX: 00000000000001a9 RBX: ffff8801daf07b60 RCX: ffffffff8156f9b4
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8801cba9b540
10
RBP: ffff8801daf07b88 R08: ffffed00397536a9 R09: ffffed00397536a8
00 00
R10: ffffed00397536a8 R11: ffff8801cba9b547 R12: ffff8801cba9b3c0
R13: ffff8801ab3a9d00 R14: ffff8801d8482a00 R15: dffffc0000000000
00 00
FS: 00007fb6f6255700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8801cba9b540 CR3: 000000019ea34000 CR4: 00000000001406e0
RSP: 0018:ffff88019a75f250 EFLAGS: 00010006
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
RAX: 00000000001ff100 RBX: ffff8801ae157a54 RCX: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600