page:ffffea0001893a00 count:0 mapcount:-128 mapping:0000000000000000 index:0x0 flags: 0x1fffc0000000000() raw: 01fffc0000000000 ffffea0001889208 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: 31966 Comm: syz-executor.4 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:ffff888058f1f878 EFLAGS: 00010293 RAX: ffff888068f4e640 RBX: ffff8880a09a0338 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8199cf22 RDI: ffffea0001893a38 RBP: ffff888058f1f8d8 R08: 000000000000003e R09: ffffed1015d25011 R10: ffffed1015d25010 R11: ffff8880ae928087 R12: ffff88808feea780 R13: ffffea0001893a00 R14: ffffea0001893a34 R15: dffffc0000000000 FS: 00007f3b4a47b700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1efd83d000 CR3: 000000006facd000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f3b4a47acf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000073c0e8 RCX: 0000000000458079 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000073c0e8 RBP: 000000000073c0e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000073c0ec R13: 00007fff7eb67f3f R14: 00007f3b4a47b9c0 R15: 000000000073c0ec Modules linked in: ---[ end trace ba6d6c4f33e69fb8 ]--- 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:ffff888058f1f878 EFLAGS: 00010293 RAX: ffff888068f4e640 RBX: ffff8880a09a0338 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8199cf22 RDI: ffffea0001893a38 RBP: ffff888058f1f8d8 R08: 000000000000003e R09: ffffed1015d25011 R10: ffffed1015d25010 R11: ffff8880ae928087 R12: ffff88808feea780 R13: ffffea0001893a00 R14: ffffea0001893a34 R15: dffffc0000000000 FS: 00007f3b4a47b700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1efd83d000 CR3: 000000006facd000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400