kasan: CONFIG_KASAN_INLINE enabled __do_sys_connect net/socket.c:1675 [inline] __se_sys_connect net/socket.c:1672 [inline] __x64_sys_connect+0x73/0xb0 net/socket.c:1672 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN entry_SYSCALL_64_after_hwframe+0x49/0xbe CPU: 0 PID: 20079 Comm: syz-executor1 Not tainted 4.19.0-rc5+ #120 RIP: 0033:0x457579 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RIP: 0010:__rb_erase_augmented include/linux/rbtree_augmented.h:168 [inline] RIP: 0010:rb_erase+0x306/0x3710 lib/rbtree.c:459 RSP: 002b:00007f1976e0fc78 EFLAGS: 00000246 Code: c7 81 28 01 00 00 f2 f2 f2 f2 c7 81 2c 01 00 00 00 f2 f2 f2 48 89 f9 65 48 8b 1c 25 28 00 00 00 48 89 5d d0 31 db 48 c1 e9 03 <42> 80 3c 01 00 0f 85 41 1c 00 00 4c 8d 48 10 4c 8b 78 08 48 b9 00 ORIG_RAX: 000000000000002a RSP: 0018:ffff88019826d780 EFLAGS: 00010202 RAX: ffffffffffffffda RBX: 00007f1976e0fc90 RCX: 0000000000457579 RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000005 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 RDX: 1ffff1003304daf8 RSI: ffffffff8afbc8a0 RDI: 0000000000000008 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1976e106d4 RBP: ffff88019826e188 R08: dffffc0000000000 R09: fffffbfff12d6a48 R13: 00000000004bda57 R14: 00000000004cc508 R15: 0000000000000006 R10: fffffbfff12d6a48 R11: ffffffff896b5243 R12: ffff8801b8c005b0 R13: dffffc0000000000 R14: ffff88019826e160 R15: ffff88019826e2a0 FS: 00007fe117327700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f434ffce518 CR3: 00000001c5b85000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: integrity_inode_free+0x12f/0x320 security/integrity/iint.c:150 security_inode_free+0x19/0x90 security/security.c:453 __destroy_inode+0x328/0x820 fs/inode.c:238 destroy_inode+0xda/0x200 fs/inode.c:265 evict+0x5e0/0x980 fs/inode.c:575 dispose_list+0x252/0x410 fs/inode.c:593 prune_icache_sb+0x12f/0x1c0 fs/inode.c:781 super_cache_scan+0x2bf/0x480 fs/super.c:104 do_shrink_slab+0x4e7/0xd20 mm/vmscan.c:547 shrink_slab_memcg mm/vmscan.c:612 [inline] shrink_slab+0x6f9/0x8c0 mm/vmscan.c:685 shrink_node+0x431/0x16b0 mm/vmscan.c:2746 shrink_zones mm/vmscan.c:2975 [inline] do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3037 try_to_free_mem_cgroup_pages+0x4bb/0xca0 mm/vmscan.c:3335 try_charge+0x40c/0x1690 mm/memcontrol.c:2209 mem_cgroup_charge_skmem+0x1e4/0x390 mm/memcontrol.c:6291 __sk_mem_raise_allocated+0x642/0x1800 net/core/sock.c:2401 __sk_mem_schedule+0x6d/0xe0 net/core/sock.c:2486 sk_wmem_schedule include/net/sock.h:1389 [inline] tcp_sendmsg_locked+0x1c86/0x3f00 net/ipv4/tcp.c:1335 tcp_sendmsg+0x2f/0x50 net/ipv4/tcp.c:1443 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: 0033:0x457579 Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fe117326c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000457579 RDX: 00000000fffffdef RSI: 0000000020000040 RDI: 0000000000000004 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe1173276d4 R13: 00000000004c3929 R14: 00000000004d57c0 R15: 00000000ffffffff Modules linked in: ---[ end trace 1a109ca160c986a8 ]--- RIP: 0010:__rb_erase_augmented include/linux/rbtree_augmented.h:168 [inline] RIP: 0010:rb_erase+0x306/0x3710 lib/rbtree.c:459 Code: c7 81 28 01 00 00 f2 f2 f2 f2 c7 81 2c 01 00 00 00 f2 f2 f2 48 89 f9 65 48 8b 1c 25 28 00 00 00 48 89 5d d0 31 db 48 c1 e9 03 <42> 80 3c 01 00 0f 85 41 1c 00 00 4c 8d 48 10 4c 8b 78 08 48 b9 00 RSP: 0018:ffff88019826d780 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 1ffff1003304daf8 RSI: ffffffff8afbc8a0 RDI: 0000000000000008 RBP: ffff88019826e188 R08: dffffc0000000000 R09: fffffbfff12d6a48 R10: fffffbfff12d6a48 R11: ffffffff896b5243 R12: ffff8801b8c005b0 R13: dffffc0000000000 R14: ffff88019826e160 R15: ffff88019826e2a0 FS: 00007fe117327700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f434ffce518 CR3: 00000001c5b85000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400