audit: type=1400 audit(1576540318.353:36): avc: denied { map } for pid=7169 comm="syz-executor319" path="/root/syz-executor319615387" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
BUG: unable to handle kernel paging request at 000000010000000e
IP: memset16 arch/x86/include/asm/string_64.h:58 [inline]
IP: scr_memsetw include/linux/vt_buffer.h:36 [inline]
IP: insert_char+0x107/0x290 drivers/tty/vt/vt.c:535
PGD 9be5a067 P4D 9be5a067 PUD 0
Oops: 0002 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 7169 Comm: syz-executor319 Not tainted 4.14.158-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88808e7fa640 task.stack: ffff8880a13b8000
RIP: 0010:memset16 arch/x86/include/asm/string_64.h:58 [inline]
RIP: 0010:scr_memsetw include/linux/vt_buffer.h:36 [inline]
RIP: 0010:insert_char+0x107/0x290 drivers/tty/vt/vt.c:535
RSP: 0018:ffff8880a13bf838 EFLAGS: 00010202
RAX: 0000000000000720 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 1ffff1101498caa1 RSI: 000000010000000e RDI: 000000010000000e
RBP: ffff8880a13bf868 R08: ffff8880a4c6550c R09: 0000000000000002
R10: 0000000000000000 R11: ffff88808e7fa640 R12: ffff8880a4c65140
R13: ffff8880a4c654cc R14: ffff8880a4c65474 R15: 000000010000000e
FS: 0000000000975880(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000010000000e CR3: 0000000090914000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
csi_at drivers/tty/vt/vt.c:1627 [inline]
do_con_trol+0x35bd/0x5b40 drivers/tty/vt/vt.c:2074
do_con_write.part.0+0xcc7/0x1b50 drivers/tty/vt/vt.c:2434
do_con_write drivers/tty/vt/vt.c:2205 [inline]
con_write+0x38/0xc0 drivers/tty/vt/vt.c:2787
process_output_block drivers/tty/n_tty.c:595 [inline]
n_tty_write+0x38b/0xee0 drivers/tty/n_tty.c:2333
do_tty_write drivers/tty/tty_io.c:959 [inline]
tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043
__vfs_write+0x105/0x6b0 fs/read_write.c:480
vfs_write+0x198/0x500 fs/read_write.c:544
SYSC_write fs/read_write.c:590 [inline]
SyS_write+0xfd/0x230 fs/read_write.c:582
do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x4404f9
RSP: 002b:00007ffd19b72328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004404f9
RDX: 0000000000000078 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401de0
R13: 0000000000401e70 R14: 0000000000000000 R15: 0000000000000000
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 01 0f 8e 3b 01 00 00 41 0f b7 84 24 c8 03 00 00 d1 eb 4c 89 ff 89 d9 <f3> 66 ab 49 8d bc 24 78 04 00 00 48 b8 00 00 00 00 00 fc ff df
RIP: memset16 arch/x86/include/asm/string_64.h:58 [inline] RSP: ffff8880a13bf838
RIP: scr_memsetw include/linux/vt_buffer.h:36 [inline] RSP: ffff8880a13bf838
RIP: insert_char+0x107/0x290 drivers/tty/vt/vt.c:535 RSP: ffff8880a13bf838
CR2: 000000010000000e
---[ end trace 7d3d4e07c436daba ]---