Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 ================================================================== fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 BUG: KASAN: use-after-free in tls_fill_prepend include/net/tls.h:368 [inline] BUG: KASAN: use-after-free in tls_push_record+0x10b9/0x1480 net/tls/tls_sw.c:220 Write of size 1 at addr ffff8801ba690000 by task syz-executor688/7237 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] __do_kmalloc mm/slab.c:3716 [inline] __kmalloc+0x2d4/0x760 mm/slab.c:3727 kmalloc include/linux/slab.h:518 [inline] aead_request_alloc include/crypto/aead.h:425 [inline] tls_push_record+0x107/0x1480 net/tls/tls_sw.c:209 tls_sw_sendmsg+0xe4b/0x1310 net/tls/tls_sw.c:466 inet_sendmsg+0x1a1/0x690 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 __sys_sendto+0x3d7/0x670 net/socket.c:1788 __do_sys_sendto net/socket.c:1800 [inline] __se_sys_sendto net/socket.c:1796 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1796 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441f89 Code: e8 4c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 4b 04 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fffb1685308 EFLAGS: 00000216 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fffb1685330 RCX: 0000000000441f89 RDX: 00000000fffffdef RSI: 00000000200005c0 RDI: 0000000000000003 RBP: 0000000000000004 R08: 0000000020000000 R09: 000000000000001c R10: 0000000000000040 R11: 0000000000000216 R12: 0000000000000000 R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000 CPU: 0 PID: 7237 Comm: syz-executor688 Not tainted 4.19.0-rc5+ #122 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 page:ffffea0006e99800 count:0 mapcount:-128 mapping:0000000000000000 index:0x0 print_address_description.cold.8+0x9/0x1ff mm/kasan/report.c:256 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report.cold.9+0x242/0x309 mm/kasan/report.c:412 flags: 0x2fffc0000000000() __asan_report_store1_noabort+0x17/0x20 mm/kasan/report.c:435 tls_fill_prepend include/net/tls.h:368 [inline] tls_push_record+0x10b9/0x1480 net/tls/tls_sw.c:220 raw: 02fffc0000000000 ffffea0007200808 ffff88021fffaf60 0000000000000000 tls_sw_push_pending_record+0x22/0x30 net/tls/tls_sw.c:257 tls_handle_open_record net/tls/tls_main.c:156 [inline] tls_sk_proto_close+0x69c/0xbb0 net/tls/tls_main.c:271 raw: 0000000000000000 0000000000000004 00000000ffffff7f 0000000000000000 page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) <= 0) ------------[ cut here ]------------ kernel BUG at include/linux/mm.h:925! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 7233 Comm: syz-executor688 Not tainted 4.19.0-rc5+ #122 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:get_page include/linux/mm.h:925 [inline] RIP: 0010:do_tcp_sendpages+0x1854/0x1dc0 net/ipv4/tcp.c:1001 inet_release+0x104/0x1f0 net/ipv4/af_inet.c:428 Code: ff ff 48 83 e8 01 48 89 85 b8 fd ff ff e9 99 fa ff ff e8 2f d8 01 fb 48 8b bd b8 fd ff ff 48 c7 c6 60 e4 9f 88 e8 cc 86 33 fb <0f> 0b 48 89 85 08 fe ff ff e8 0e d8 01 fb 48 8b 85 08 fe ff ff 4c inet6_release+0x50/0x70 net/ipv6/af_inet6.c:457 RSP: 0018:ffff8801ce6cf510 EFLAGS: 00010246 __sock_release+0xd7/0x250 net/socket.c:579 RAX: 0000000000000000 RBX: ffff8801d81edd40 RCX: 0000000000000000 sock_close+0x19/0x20 net/socket.c:1141 RDX: 0000000000000000 RSI: ffffffff81b07639 RDI: ffffed0039cd9e93 __fput+0x385/0xa30 fs/file_table.c:278 RBP: ffff8801ce6cf770 R08: ffff8801cf406200 R09: fffffbfff12720b0 R10: fffffbfff12720b0 R11: ffffffff89390583 R12: 000000000000401d R13: ffffea0006e99834 R14: dffffc0000000000 R15: ffff8801ba7a8d00 FS: 0000000001a1e880(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff652a131b0 CR3: 00000001c114f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ____fput+0x15/0x20 fs/file_table.c:309 Call Trace: task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x318/0x380 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x401930 Code: 01 f0 ff ff 0f 83 d0 0a 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d fd 2e 2d 00 00 75 14 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 a4 0a 00 00 c3 48 83 ec 08 e8 5a 01 00 00 RSP: 002b:00007fffb1685318 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 tls_push_sg+0x283/0x8c0 net/tls/tls_main.c:118 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000401930 RDX: 00000000fffffdef RSI: 00000000200005c0 RDI: 0000000000000003 RBP: 0000000000000004 R08: 0000000020000000 R09: 000000000000001c R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000000 tls_push_record+0xb4d/0x1480 net/tls/tls_sw.c:245 R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000 tls_sw_push_pending_record+0x22/0x30 net/tls/tls_sw.c:257 The buggy address belongs to the page: tls_handle_open_record net/tls/tls_main.c:156 [inline] tls_sk_proto_close+0x69c/0xbb0 net/tls/tls_main.c:271 page:ffffea0006e9a400 count:0 mapcount:-128 mapping:0000000000000000 index:0x0 flags: 0x2fffc0000000000() raw: 02fffc0000000000 ffffea0006eac208 ffffea0007371c08 0000000000000000 raw: 0000000000000000 0000000000000003 00000000ffffff7f 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8801ba68ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8801ba68ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8801ba690000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ inet_release+0x104/0x1f0 net/ipv4/af_inet.c:428 ffff8801ba690080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff inet6_release+0x50/0x70 net/ipv6/af_inet6.c:457 ffff8801ba690100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff __sock_release+0xd7/0x250 net/socket.c:579 ================================================================== sock_close+0x19/0x20 net/socket.c:1141 __fput+0x385/0xa30 fs/file_table.c:278 ____fput+0x15/0x20 fs/file_table.c:309 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x318/0x380 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x401930 Code: 01 f0 ff ff 0f 83 d0 0a 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d fd 2e 2d 00 00 75 14 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 a4 0a 00 00 c3 48 83 ec 08 e8 5a 01 00 00 RSP: 002b:00007fffb1685318 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000401930 RDX: 00000000fffffdef RSI: 00000000200005c0 RDI: 0000000000000003 RBP: 0000000000000004 R08: 0000000020000000 R09: 000000000000001c R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000000 R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000 Modules linked in: FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 7262 Comm: syz-executor688 Tainted: G B D 4.19.0-rc5+ #122 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] __do_kmalloc mm/slab.c:3716 [inline] __kmalloc+0x2d4/0x760 mm/slab.c:3727 kmalloc include/linux/slab.h:518 [inline] aead_request_alloc include/crypto/aead.h:425 [inline] tls_push_record+0x107/0x1480 net/tls/tls_sw.c:209 tls_sw_sendmsg+0xe4b/0x1310 net/tls/tls_sw.c:466 inet_sendmsg+0x1a1/0x690 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 __sys_sendto+0x3d7/0x670 net/socket.c:1788 ---[ end trace dcdd812c7d7409d0 ]--- RIP: 0010:get_page include/linux/mm.h:925 [inline] RIP: 0010:do_tcp_sendpages+0x1854/0x1dc0 net/ipv4/tcp.c:1001 Code: ff ff 48 83 e8 01 48 89 85 b8 fd ff ff e9 99 fa ff ff e8 2f d8 01 fb 48 8b bd b8 fd ff ff 48 c7 c6 60 e4 9f 88 e8 cc 86 33 fb <0f> 0b 48 89 85 08 fe ff ff e8 0e d8 01 fb 48 8b 85 08 fe ff ff 4c RSP: 0018:ffff8801ce6cf510 EFLAGS: 00010246 __do_sys_sendto net/socket.c:1800 [inline] __se_sys_sendto net/socket.c:1796 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1796 RAX: 0000000000000000 RBX: ffff8801d81edd40 RCX: 0000000000000000 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 RDX: 0000000000000000 RSI: ffffffff81b07639 RDI: ffffed0039cd9e93 RBP: ffff8801ce6cf770 R08: ffff8801cf406200 R09: fffffbfff12720b0 entry_SYSCALL_64_after_hwframe+0x49/0xbe R10: fffffbfff12720b0 R11: ffffffff89390583 R12: 000000000000401d RIP: 0033:0x441f89 Code: e8 4c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 4b 04 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fffb1685308 EFLAGS: 00000216 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fffb1685330 RCX: 0000000000441f89 RDX: 00000000fffffdef RSI: 00000000200005c0 RDI: 0000000000000003 R13: ffffea0006e99834 R14: dffffc0000000000 R15: ffff8801ba7a8d00 RBP: 0000000000000004 R08: 0000000020000000 R09: 000000000000001c R10: 0000000000000040 R11: 0000000000000216 R12: 0000000000000000 R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000 FS: 0000000001a1e880(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 1 CPU: 1 PID: 7265 Comm: syz-executor688 Tainted: G B D 4.19.0-rc5+ #122 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3057 [inline] prepare_alloc_pages mm/page_alloc.c:4326 [inline] __alloc_pages_nodemask+0x34b/0xde0 mm/page_alloc.c:4364 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:509 [inline] skb_page_frag_refill+0x45f/0x6a0 net/core/sock.c:2212 sk_page_frag_refill+0x55/0x1f0 net/core/sock.c:2232 sk_alloc_sg+0x1e9/0xa00 net/core/sock.c:2256 alloc_plaintext_sg net/tls/tls_sw.c:140 [inline] tls_sw_sendmsg+0x714/0x1310 net/tls/tls_sw.c:440 inet_sendmsg+0x1a1/0x690 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 __sys_sendto+0x3d7/0x670 net/socket.c:1788 __do_sys_sendto net/socket.c:1800 [inline] __se_sys_sendto net/socket.c:1796 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1796 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441f89 Code: e8 4c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 4b 04 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fffb1685308 EFLAGS: 00000216 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fffb1685330 RCX: 0000000000441f89 RDX: 00000000fffffdef RSI: 00000000200005c0 RDI: 0000000000000003 RBP: 0000000000000004 R08: 0000000020000000 R09: 000000000000001c R10: 0000000000000040 R11: 0000000000000216 R12: 0000000000000000 R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000 CPU: 0 PID: 7273 Comm: syz-executor688 Tainted: G B D 4.19.0-rc5+ #122 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3057 [inline] prepare_alloc_pages mm/page_alloc.c:4326 [inline] __alloc_pages_nodemask+0x34b/0xde0 mm/page_alloc.c:4364 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 cache_alloc_refill mm/slab.c:3044 [inline] ____cache_alloc mm/slab.c:3127 [inline] slab_alloc_node mm/slab.c:3322 [inline] kmem_cache_alloc_node_trace+0x670/0x740 mm/slab.c:3661 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696 __kmalloc_reserve.isra.39+0x41/0xe0 net/core/skbuff.c:137 __alloc_skb+0x155/0x770 net/core/skbuff.c:205 alloc_skb_fclone include/linux/skbuff.h:1037 [inline] sk_stream_alloc_skb+0x141/0x970 net/ipv4/tcp.c:874 do_tcp_sendpages+0xa13/0x1dc0 net/ipv4/tcp.c:977 tls_push_sg+0x283/0x8c0 net/tls/tls_main.c:118 tls_push_record+0xb4d/0x1480 net/tls/tls_sw.c:245 tls_sw_sendmsg+0xe4b/0x1310 net/tls/tls_sw.c:466 inet_sendmsg+0x1a1/0x690 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 __sys_sendto+0x3d7/0x670 net/socket.c:1788 __do_sys_sendto net/socket.c:1800 [inline] __se_sys_sendto net/socket.c:1796 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1796 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441f89 Code: e8 4c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 4b 04 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fffb1685308 EFLAGS: 00000216 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fffb1685330 RCX: 0000000000441f89 RDX: 00000000fffffdef RSI: 00000000200005c0 RDI: 0000000000000003 RBP: 0000000000000004 R08: 0000000020000000 R09: 000000000000001c R10: 0000000000000040 R11: 0000000000000216 R12: 0000000000000000 R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000 page:ffffea0006e5f200 count:0 mapcount:-128 mapping:0000000000000000 index:0x0