Node 1 Normal: 98*4kB (UME) 410*8kB (UM) 287*16kB (UM) 84*32kB (UME) 23*64kB (UME) 19*128kB (UME) 10*256kB (U) 6*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 980*4096kB (M) = 4039688kB F2FS-fs (loop1): Failed to get valid F2FS checkpoint Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB ================================================================== Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB BUG: KASAN: use-after-free in tls_fill_prepend include/net/tls.h:379 [inline] BUG: KASAN: use-after-free in tls_push_record+0x104c/0x1370 net/tls/tls_sw.c:220 Write of size 1 at addr ffff88803fc40000 by task syz-executor.3/19953 CPU: 0 PID: 19953 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 print_address_description.cold+0x54/0x219 mm/kasan/report.c:256 kasan_report_error.cold+0x8a/0x1b9 mm/kasan/report.c:354 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB kasan_report mm/kasan/report.c:412 [inline] __asan_report_store1_noabort+0x88/0x90 mm/kasan/report.c:435 tls_fill_prepend include/net/tls.h:379 [inline] tls_push_record+0x104c/0x1370 net/tls/tls_sw.c:220 55057 total pagecache pages tls_handle_open_record net/tls/tls_main.c:156 [inline] tls_sk_proto_close+0x8cf/0xc20 net/tls/tls_main.c:271 0 pages in swap cache inet_release+0xd7/0x1e0 net/ipv4/af_inet.c:427 Swap cache stats: add 0, delete 0, find 0/0 inet6_release+0x4c/0x70 net/ipv6/af_inet6.c:472 __sock_release+0xcd/0x2a0 net/socket.c:599 sock_close+0x15/0x20 net/socket.c:1214 __fput+0x2ce/0x890 fs/file_table.c:278 task_work_run+0x148/0x1c0 kernel/task_work.c:113 Free swap = 0kB get_signal+0x1b64/0x1f70 kernel/signal.c:2400 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 Total swap = 0kB 2097051 pages RAM exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 0 pages HighMem/MovableOnly prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9d36765ae9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9d33cdb188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c 369649 pages reserved RAX: 0000000000004000 RBX: 00007f9d36878f60 RCX: 00007f9d36765ae9 RDX: 00000000e0ffffff RSI: 00000000200005c0 RDI: 0000000000000003 RBP: 00007f9d33cdb1d0 R08: 0000000000000000 R09: 00000000000000d8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe3f7cb40f R14: 00007f9d33cdb300 R15: 0000000000022000 The buggy address belongs to the page: 0 pages cma reserved page:ffffea0000ff1000 count:0 mapcount:-128 mapping:0000000000000000 index:0x0 flags: 0xfff00000000000() raw: 00fff00000000000 ffffea000153fc08 ffff88813fffb8f8 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88803fc3ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88803fc3ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88803fc40000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff88803fc40080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88803fc40100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================