audit: type=1804 audit(1643452235.551:78): pid=11506 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir264497437/syzkaller.qBbaOp/62/bus" dev="sda1" ino=14114 res=1
audit: type=1804 audit(1643452235.591:79): pid=11514 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.4" name="/root/syzkaller-testdir146494666/syzkaller.SePpdE/66/bus" dev="sda1" ino=14100 res=1
==================================================================
BUG: KASAN: slab-out-of-bounds in sg_mark_end include/linux/scatterlist.h:190 [inline]
BUG: KASAN: slab-out-of-bounds in tls_push_record+0x10cc/0x1270 net/tls/tls_sw.c:255
Read of size 8 at addr ffff8880b47eee38 by task syz-executor.1/11497
CPU: 1 PID: 11497 Comm: syz-executor.1 Not tainted 4.14.264-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x281 lib/dump_stack.c:58
print_address_description.cold+0x54/0x1d3 mm/kasan/report.c:252
kasan_report_error.cold+0x8a/0x191 mm/kasan/report.c:351
kasan_report mm/kasan/report.c:409 [inline]
__asan_report_load8_noabort+0x68/0x70 mm/kasan/report.c:430
sg_mark_end include/linux/scatterlist.h:190 [inline]
tls_push_record+0x10cc/0x1270 net/tls/tls_sw.c:255
tls_handle_open_record net/tls/tls_main.c:158 [inline]
tls_sk_proto_close+0x6f0/0x8b0 net/tls/tls_main.c:270
inet_release+0xdf/0x1b0 net/ipv4/af_inet.c:425
inet6_release+0x4c/0x70 net/ipv6/af_inet6.c:450
__sock_release+0xcd/0x2b0 net/socket.c:602
sock_close+0x15/0x20 net/socket.c:1139
__fput+0x25f/0x7a0 fs/file_table.c:210
task_work_run+0x11f/0x190 kernel/task_work.c:113
get_signal+0x18a3/0x1ca0 kernel/signal.c:2223
do_signal+0x7c/0x1550 arch/x86/kernel/signal.c:792
audit: type=1804 audit(1643452235.661:80): pid=11513 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir606150104/syzkaller.NP9sfw/70/bus" dev="sda1" ino=14104 res=1
exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160
prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f3cc626d059
RSP: 002b:00007f3cc4be2168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: 00000000001d8000 RBX: 00007f3cc637ff60 RCX: 00007f3cc626d059
RDX: 00000000e0ffffff RSI: 00000000200005c0 RDI: 0000000000000003
RBP: 00007f3cc62c708d R08: 0000000000000000 R09: 00000000000000d8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffec18082cf R14: 00007f3cc4be2300 R15: 0000000000022000
Allocated by task 10968:
save_stack mm/kasan/kasan.c:447 [inline]
set_track mm/kasan/kasan.c:459 [inline]
kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:551
__do_kmalloc mm/slab.c:3720 [inline]
__kmalloc+0x15a/0x400 mm/slab.c:3729
kmalloc include/linux/slab.h:493 [inline]
sk_prot_alloc+0x1ba/0x290 net/core/sock.c:1484
sk_alloc+0x36/0xcd0 net/core/sock.c:1538
__netlink_create+0x63/0x270 net/netlink/af_netlink.c:616
netlink_create+0x276/0x520 net/netlink/af_netlink.c:679
__sock_create+0x303/0x620 net/socket.c:1275
sock_create net/socket.c:1315 [inline]
SYSC_socket net/socket.c:1345 [inline]
SyS_socket+0xd1/0x1b0 net/socket.c:1325
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
Freed by task 10991:
save_stack mm/kasan/kasan.c:447 [inline]
set_track mm/kasan/kasan.c:459 [inline]
kasan_slab_free+0xc3/0x1a0 mm/kasan/kasan.c:524
__cache_free mm/slab.c:3496 [inline]
kfree+0xc9/0x250 mm/slab.c:3815
sk_prot_free net/core/sock.c:1521 [inline]
__sk_destruct+0x5e3/0x760 net/core/sock.c:1600
sk_destruct net/core/sock.c:1615 [inline]
__sk_free+0xd9/0x2d0 net/core/sock.c:1623
sk_free+0x2b/0x40 net/core/sock.c:1634
deferred_put_nlk_sk+0xed/0x260 net/netlink/af_netlink.c:716
__rcu_reclaim kernel/rcu/rcu.h:195 [inline]
rcu_do_batch kernel/rcu/tree.c:2699 [inline]
invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline]
__rcu_process_callbacks kernel/rcu/tree.c:2929 [inline]
rcu_process_callbacks+0x780/0x1180 kernel/rcu/tree.c:2946
__do_softirq+0x24d/0x9ff kernel/softirq.c:288
The buggy address belongs to the object at ffff8880b47ee5c0
which belongs to the cache kmalloc-2048 of size 2048
The buggy address is located 120 bytes to the right of
2048-byte region [ffff8880b47ee5c0, ffff8880b47eedc0)
The buggy address belongs to the page:
page:ffffea0002d1fb80 count:1 mapcount:0 mapping:ffff8880b47ee5c0 index:0xffff8880b47ef6c0 compound_mapcount: 0
audit: type=1804 audit(1643452235.811:81): pid=11524 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.5" name="/root/syzkaller-testdir264497437/syzkaller.qBbaOp/62/bus" dev="sda1" ino=14114 res=1
flags: 0xfff00000008100(slab|head)
raw: 00fff00000008100 ffff8880b47ee5c0 ffff8880b47ef6c0 0000000100000002
raw: ffffea00025cd820 ffffea0002ce1f20 ffff88813fe74c40 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff8880b47eed00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8880b47eed80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff8880b47eee00: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
^
ffff8880b47eee80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff8880b47eef00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
audit: type=1804 audit(1643452235.901:82): pid=11526 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.4" name="/root/syzkaller-testdir146494666/syzkaller.SePpdE/66/bus" dev="sda1" ino=14100 res=1
audit: type=1804 audit(1643452235.991:83): pid=11520 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir606150104/syzkaller.NP9sfw/70/bus" dev="sda1" ino=14104 res=1
audit: type=1804 audit(1643452236.151:84): pid=11529 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.5" name="/root/syzkaller-testdir264497437/syzkaller.qBbaOp/62/bus" dev="sda1" ino=14114 res=1
audit: type=1804 audit(1643452238.272:85): pid=11537 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir264497437/syzkaller.qBbaOp/63/bus" dev="sda1" ino=14114 res=1