page:ffffea000151f200 count:0 mapcount:-128 mapping:0000000000000000 index:0x0 flags: 0x1fffc0000000000() raw: 01fffc0000000000 ffffea0002187a08 ffff88812fffc878 0000000000000000 raw: 0000000000000000 0000000000000003 00000000ffffff7f 0000000000000000 page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) == 0) ------------[ cut here ]------------ kernel BUG at include/linux/mm.h:547! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4152 Comm: syz-executor.0 Not tainted 5.0.0+ #98 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:put_page_testzero include/linux/mm.h:547 [inline] RIP: 0010:put_page include/linux/mm.h:993 [inline] RIP: 0010:tls_sw_free_resources_tx+0x693/0xa30 net/tls/tls_sw.c:2057 Code: 7d c8 e8 b0 a2 a4 fb 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 1c e4 6c fb 48 c7 c6 e0 c5 06 88 4c 89 ef e8 7d 3e 96 fb <0f> 0b e8 06 e4 6c fb 4d 8d 6e ff e9 59 fb ff ff e8 f8 e3 6c fb be RSP: 0018:ffff888066faf878 EFLAGS: 00010293 RAX: ffff88809f20c0c0 RBX: ffff8880636063f8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8199cf22 RDI: ffffea000151f238 RBP: ffff888066faf8d8 R08: 000000000000003e R09: ffffed1015d25011 R10: ffffed1015d25010 R11: ffff8880ae928087 R12: ffff8880a8b03200 R13: ffffea000151f200 R14: ffffea000151f234 R15: dffffc0000000000 FS: 00000000029e2940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1f47469f46 CR3: 000000009579c000 CR4: 00000000001406e0 Call Trace: tls_sk_proto_close+0x644/0x7a0 net/tls/tls_main.c:269 inet_release+0x105/0x1f0 net/ipv4/af_inet.c:428 inet6_release+0x53/0x80 net/ipv6/af_inet6.c:473 __sock_release+0xd3/0x2b0 net/socket.c:579 sock_close+0x1b/0x30 net/socket.c:1162 __fput+0x2e5/0x8d0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x14a/0x1c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x90a/0x2fa0 kernel/exit.c:876 do_group_exit+0x135/0x370 kernel/exit.c:980 get_signal+0x399/0x1d50 kernel/signal.c:2575 do_signal+0x87/0x1940 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x244/0x2c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x52d/0x610 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458079 Code: Bad RIP value. RSP: 002b:00007fffe752ce88 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffdfc RBX: 000000000000002d RCX: 0000000000458079 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000073bfac RBP: 000000000073bfa0 R08: 0000000000099529 R09: 0000000000099529 R10: 00007fffe752cf50 R11: 0000000000000246 R12: 00000000000995f9 R13: 00000000000995cc R14: 00000000000003e8 R15: 000000000073bfac Modules linked in: ---[ end trace 989c7499f81527f7 ]--- RIP: 0010:put_page_testzero include/linux/mm.h:547 [inline] RIP: 0010:put_page include/linux/mm.h:993 [inline] RIP: 0010:tls_sw_free_resources_tx+0x693/0xa30 net/tls/tls_sw.c:2057 Code: 7d c8 e8 b0 a2 a4 fb 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 1c e4 6c fb 48 c7 c6 e0 c5 06 88 4c 89 ef e8 7d 3e 96 fb <0f> 0b e8 06 e4 6c fb 4d 8d 6e ff e9 59 fb ff ff e8 f8 e3 6c fb be RSP: 0018:ffff888066faf878 EFLAGS: 00010293 RAX: ffff88809f20c0c0 RBX: ffff8880636063f8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8199cf22 RDI: ffffea000151f238 RBP: ffff888066faf8d8 R08: 000000000000003e R09: ffffed1015d25011 R10: ffffed1015d25010 R11: ffff8880ae928087 R12: ffff8880a8b03200 R13: ffffea000151f200 R14: ffffea000151f234 R15: dffffc0000000000 FS: 00000000029e2940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000045804f CR3: 000000009579c000 CR4: 00000000001406e0