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